Mercurial > p > roundup > code
annotate roundup/backends/rdbms_common.py @ 2274:86bb9c804b41 maint-0.7
fix RDBMS import (thanks Tamer Fahmy)
| author | Richard Jones <richard@users.sourceforge.net> |
|---|---|
| date | Mon, 10 May 2004 01:27:59 +0000 |
| parents | 0b198ed096af |
| children | 4fd7a1805544 |
| rev | line source |
|---|---|
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1 # $Id: rdbms_common.py,v 1.98.2.1 2004-05-10 01:27:59 richard Exp $ |
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2 ''' Relational database (SQL) backend common code. |
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3 |
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4 Basics: |
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5 |
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6 - map roundup classes to relational tables |
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7 - automatically detect schema changes and modify the table schemas |
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8 appropriately (we store the "database version" of the schema in the |
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9 database itself as the only row of the "schema" table) |
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10 - multilinks (which represent a many-to-many relationship) are handled through |
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11 intermediate tables |
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12 - journals are stored adjunct to the per-class tables |
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13 - table names and columns have "_" prepended so the names can't clash with |
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14 restricted names (like "order") |
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15 - retirement is determined by the __retired__ column being true |
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16 |
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17 Database-specific changes may generally be pushed out to the overridable |
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18 sql_* methods, since everything else should be fairly generic. There's |
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19 probably a bit of work to be done if a database is used that actually |
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20 honors column typing, since the initial databases don't (sqlite stores |
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21 everything as a string.) |
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22 |
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23 The schema of the hyperdb being mapped to the database is stored in the |
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24 database itself as a repr()'ed dictionary of information about each Class |
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25 that maps to a table. If that information differs from the hyperdb schema, |
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26 then we update it. We also store in the schema dict a version which |
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27 allows us to upgrade the database schema when necessary. See upgrade_db(). |
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28 ''' |
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29 __docformat__ = 'restructuredtext' |
| 1165 | 30 |
| 31 # standard python modules | |
| 32 import sys, os, time, re, errno, weakref, copy | |
| 33 | |
| 34 # roundup modules | |
| 35 from roundup import hyperdb, date, password, roundupdb, security | |
| 36 from roundup.hyperdb import String, Password, Date, Interval, Link, \ | |
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37 Multilink, DatabaseError, Boolean, Number, Node |
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38 from roundup.backends import locking |
| 1165 | 39 |
| 40 # support | |
| 41 from blobfiles import FileStorage | |
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42 from indexer_rdbms import Indexer |
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43 from sessions_rdbms import Sessions, OneTimeKeys |
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44 from roundup.date import Range |
| 1165 | 45 |
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46 # number of rows to keep in memory |
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47 ROW_CACHE_SIZE = 100 |
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48 |
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49 def _num_cvt(num): |
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50 num = str(num) |
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51 try: |
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52 return int(num) |
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53 except: |
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54 return float(num) |
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55 |
| 1165 | 56 class Database(FileStorage, hyperdb.Database, roundupdb.Database): |
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57 ''' Wrapper around an SQL database that presents a hyperdb interface. |
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58 |
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59 - some functionality is specific to the actual SQL database, hence |
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60 the sql_* methods that are NotImplemented |
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61 - we keep a cache of the latest ROW_CACHE_SIZE row fetches. |
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62 ''' |
| 1165 | 63 def __init__(self, config, journaltag=None): |
| 64 ''' Open the database and load the schema from it. | |
| 65 ''' | |
| 66 self.config, self.journaltag = config, journaltag | |
| 67 self.dir = config.DATABASE | |
| 68 self.classes = {} | |
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69 self.indexer = Indexer(self) |
| 1165 | 70 self.security = security.Security(self) |
| 71 | |
| 72 # additional transaction support for external files and the like | |
| 73 self.transactions = [] | |
| 74 | |
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75 # keep a cache of the N most recently retrieved rows of any kind |
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76 # (classname, nodeid) = row |
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77 self.cache = {} |
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78 self.cache_lru = [] |
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79 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0, |
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80 'filtering': 0} |
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81 |
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82 # database lock |
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83 self.lockfile = None |
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84 |
| 1165 | 85 # open a connection to the database, creating the "conn" attribute |
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86 self.open_connection() |
| 1165 | 87 |
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88 def clearCache(self): |
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89 self.cache = {} |
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90 self.cache_lru = [] |
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91 |
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92 def getSessionManager(self): |
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93 return Sessions(self) |
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94 |
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95 def getOTKManager(self): |
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96 return OneTimeKeys(self) |
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97 |
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98 def open_connection(self): |
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99 ''' Open a connection to the database, creating it if necessary. |
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100 |
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101 Must call self.load_dbschema() |
| 1165 | 102 ''' |
| 103 raise NotImplemented | |
| 104 | |
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105 def sql(self, sql, args=None): |
| 1165 | 106 ''' Execute the sql with the optional args. |
| 107 ''' | |
| 108 if __debug__: | |
| 109 print >>hyperdb.DEBUG, (self, sql, args) | |
| 110 if args: | |
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111 self.cursor.execute(sql, args) |
| 1165 | 112 else: |
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113 self.cursor.execute(sql) |
| 1165 | 114 |
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115 def sql_fetchone(self): |
| 1165 | 116 ''' Fetch a single row. If there's nothing to fetch, return None. |
| 117 ''' | |
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118 return self.cursor.fetchone() |
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119 |
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120 def sql_fetchall(self): |
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121 ''' Fetch all rows. If there's nothing to fetch, return []. |
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122 ''' |
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123 return self.cursor.fetchall() |
| 1165 | 124 |
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125 def sql_stringquote(self, value): |
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126 ''' Quote the string so it's safe to put in the 'sql quotes' |
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127 ''' |
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128 return re.sub("'", "''", str(value)) |
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129 |
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130 def init_dbschema(self): |
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131 self.database_schema = { |
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132 'version': self.current_db_version, |
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133 'tables': {} |
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134 } |
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135 |
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136 def load_dbschema(self): |
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137 ''' Load the schema definition that the database currently implements |
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138 ''' |
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139 self.cursor.execute('select schema from schema') |
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140 schema = self.cursor.fetchone() |
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141 if schema: |
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142 self.database_schema = eval(schema[0]) |
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143 else: |
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144 self.database_schema = {} |
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145 |
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146 def save_dbschema(self, schema): |
| 1165 | 147 ''' Save the schema definition that the database currently implements |
| 148 ''' | |
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149 s = repr(self.database_schema) |
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150 self.sql('insert into schema values (%s)', (s,)) |
| 1165 | 151 |
| 152 def post_init(self): | |
| 153 ''' Called once the schema initialisation has finished. | |
| 154 | |
| 155 We should now confirm that the schema defined by our "classes" | |
| 156 attribute actually matches the schema in the database. | |
| 157 ''' | |
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158 save = self.upgrade_db() |
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159 |
| 1165 | 160 # now detect changes in the schema |
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161 tables = self.database_schema['tables'] |
| 1165 | 162 for classname, spec in self.classes.items(): |
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163 if tables.has_key(classname): |
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164 dbspec = tables[classname] |
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165 if self.update_class(spec, dbspec): |
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166 tables[classname] = spec.schema() |
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167 save = 1 |
| 1165 | 168 else: |
| 169 self.create_class(spec) | |
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170 tables[classname] = spec.schema() |
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171 save = 1 |
| 1165 | 172 |
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173 for classname, spec in tables.items(): |
| 1165 | 174 if not self.classes.has_key(classname): |
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175 self.drop_class(classname, tables[classname]) |
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176 del tables[classname] |
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177 save = 1 |
| 1165 | 178 |
| 179 # update the database version of the schema | |
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180 if save: |
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181 self.sql('delete from schema') |
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182 self.save_dbschema(self.database_schema) |
| 1165 | 183 |
| 184 # reindex the db if necessary | |
| 185 if self.indexer.should_reindex(): | |
| 186 self.reindex() | |
| 187 | |
| 188 # commit | |
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189 self.sql_commit() |
| 1165 | 190 |
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191 # update this number when we need to make changes to the SQL structure |
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192 # of the backen database |
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193 current_db_version = 2 |
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194 def upgrade_db(self): |
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195 ''' Update the SQL database to reflect changes in the backend code. |
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196 |
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197 Return boolean whether we need to save the schema. |
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198 ''' |
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199 version = self.database_schema.get('version', 1) |
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200 if version == self.current_db_version: |
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201 # nothing to do |
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202 return 0 |
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203 |
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204 if version == 1: |
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205 # change the schema structure |
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206 self.database_schema = {'tables': self.database_schema} |
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207 |
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208 # version 1 didn't have the actor column (note that in |
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209 # MySQL this will also transition the tables to typed columns) |
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210 self.add_new_columns_v2() |
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211 |
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212 # version 1 doesn't have the OTK, session and indexing in the |
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213 # database |
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214 self.create_version_2_tables() |
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215 |
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216 self.database_schema['version'] = self.current_db_version |
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217 return 1 |
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218 |
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219 |
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220 def refresh_database(self): |
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221 self.post_init() |
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222 |
| 1165 | 223 def reindex(self): |
| 224 for klass in self.classes.values(): | |
| 225 for nodeid in klass.list(): | |
| 226 klass.index(nodeid) | |
| 227 self.indexer.save_index() | |
| 228 | |
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229 hyperdb_to_sql_datatypes = { |
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230 hyperdb.String : 'VARCHAR(255)', |
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231 hyperdb.Date : 'TIMESTAMP', |
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232 hyperdb.Link : 'INTEGER', |
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233 hyperdb.Interval : 'VARCHAR(255)', |
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234 hyperdb.Password : 'VARCHAR(255)', |
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235 hyperdb.Boolean : 'BOOLEAN', |
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236 hyperdb.Number : 'REAL', |
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237 } |
| 1165 | 238 def determine_columns(self, properties): |
| 239 ''' Figure the column names and multilink properties from the spec | |
| 240 | |
| 241 "properties" is a list of (name, prop) where prop may be an | |
| 242 instance of a hyperdb "type" _or_ a string repr of that type. | |
| 243 ''' | |
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244 cols = [ |
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245 ('_actor', self.hyperdb_to_sql_datatypes[hyperdb.Link]), |
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246 ('_activity', self.hyperdb_to_sql_datatypes[hyperdb.Date]), |
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247 ('_creator', self.hyperdb_to_sql_datatypes[hyperdb.Link]), |
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248 ('_creation', self.hyperdb_to_sql_datatypes[hyperdb.Date]), |
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249 ] |
| 1165 | 250 mls = [] |
| 251 # add the multilinks separately | |
| 252 for col, prop in properties: | |
| 253 if isinstance(prop, Multilink): | |
| 254 mls.append(col) | |
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255 continue |
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256 |
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257 if isinstance(prop, type('')): |
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258 raise ValueError, "string property spec!" |
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259 #and prop.find('Multilink') != -1: |
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260 #mls.append(col) |
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261 |
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262 datatype = self.hyperdb_to_sql_datatypes[prop.__class__] |
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263 cols.append(('_'+col, datatype)) |
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264 |
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265 # Intervals stored as two columns |
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266 if isinstance(prop, Interval): |
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267 cols.append(('__'+col+'_int__', 'BIGINT')) |
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268 |
| 1165 | 269 cols.sort() |
| 270 return cols, mls | |
| 271 | |
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272 def update_class(self, spec, old_spec, force=0): |
| 1165 | 273 ''' Determine the differences between the current spec and the |
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274 database version of the spec, and update where necessary. |
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275 |
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276 If 'force' is true, update the database anyway. |
| 1165 | 277 ''' |
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278 new_has = spec.properties.has_key |
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279 new_spec = spec.schema() |
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280 new_spec[1].sort() |
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281 old_spec[1].sort() |
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282 if not force and new_spec == old_spec: |
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283 # no changes |
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284 return 0 |
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285 |
| 1165 | 286 if __debug__: |
| 287 print >>hyperdb.DEBUG, 'update_class FIRING' | |
| 288 | |
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289 # detect key prop change for potential index change |
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290 keyprop_changes = {} |
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291 if new_spec[0] != old_spec[0]: |
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292 keyprop_changes = {'remove': old_spec[0], 'add': new_spec[0]} |
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293 |
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294 # detect multilinks that have been removed, and drop their table |
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295 old_has = {} |
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296 for name, prop in old_spec[1]: |
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297 old_has[name] = 1 |
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298 if new_has(name): |
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299 continue |
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300 |
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301 if prop.find('Multilink to') != -1: |
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302 # first drop indexes. |
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303 self.drop_multilink_table_indexes(spec.classname, name) |
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304 |
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305 # now the multilink table itself |
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306 sql = 'drop table %s_%s'%(spec.classname, name) |
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307 else: |
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308 # if this is the key prop, drop the index first |
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309 if old_spec[0] == prop: |
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310 self.drop_class_table_key_index(spec.classname, name) |
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311 del keyprop_changes['remove'] |
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312 |
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313 # drop the column |
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314 sql = 'alter table _%s drop column _%s'%(spec.classname, name) |
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315 |
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316 if __debug__: |
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317 print >>hyperdb.DEBUG, 'update_class', (self, sql) |
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318 self.cursor.execute(sql) |
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319 old_has = old_has.has_key |
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320 |
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321 # if we didn't remove the key prop just then, but the key prop has |
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322 # changed, we still need to remove the old index |
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323 if keyprop_changes.has_key('remove'): |
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324 self.drop_class_table_key_index(spec.classname, |
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325 keyprop_changes['remove']) |
| 1165 | 326 |
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327 # add new columns |
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328 for propname, prop in new_spec[1]: |
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329 if old_has(propname): |
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330 continue |
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331 prop = spec.properties[propname] |
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332 if isinstance(prop, Multilink): |
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333 self.create_multilink_table(spec, propname) |
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334 else: |
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335 sql = 'alter table _%s add column _%s varchar(255)'%( |
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336 spec.classname, propname) |
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337 if __debug__: |
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338 print >>hyperdb.DEBUG, 'update_class', (self, sql) |
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339 self.cursor.execute(sql) |
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340 |
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341 # if the new column is a key prop, we need an index! |
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342 if new_spec[0] == propname: |
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343 self.create_class_table_key_index(spec.classname, propname) |
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344 del keyprop_changes['add'] |
| 1165 | 345 |
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346 # if we didn't add the key prop just then, but the key prop has |
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347 # changed, we still need to add the new index |
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348 if keyprop_changes.has_key('add'): |
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349 self.create_class_table_key_index(spec.classname, |
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350 keyprop_changes['add']) |
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351 |
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352 return 1 |
| 1165 | 353 |
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354 def create_class_table(self, spec): |
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355 '''Create the class table for the given Class "spec". Creates the |
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356 indexes too.''' |
| 1165 | 357 cols, mls = self.determine_columns(spec.properties.items()) |
| 358 | |
| 359 # add on our special columns | |
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360 cols.append(('id', 'INTEGER PRIMARY KEY')) |
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361 cols.append(('__retired__', 'INTEGER DEFAULT 0')) |
| 1165 | 362 |
| 363 # create the base table | |
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364 scols = ','.join(['%s %s'%x for x in cols]) |
| 1165 | 365 sql = 'create table _%s (%s)'%(spec.classname, scols) |
| 366 if __debug__: | |
| 367 print >>hyperdb.DEBUG, 'create_class', (self, sql) | |
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368 self.cursor.execute(sql) |
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369 |
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370 self.create_class_table_indexes(spec) |
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371 |
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372 return cols, mls |
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373 |
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374 def create_class_table_indexes(self, spec): |
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375 ''' create the class table for the given spec |
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376 ''' |
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377 # create __retired__ index |
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378 index_sql2 = 'create index _%s_retired_idx on _%s(__retired__)'%( |
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379 spec.classname, spec.classname) |
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380 if __debug__: |
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381 print >>hyperdb.DEBUG, 'create_index', (self, index_sql2) |
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382 self.cursor.execute(index_sql2) |
| 1165 | 383 |
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384 # create index for key property |
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385 if spec.key: |
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386 if __debug__: |
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387 print >>hyperdb.DEBUG, 'update_class setting keyprop %r'% \ |
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388 spec.key |
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389 index_sql3 = 'create index _%s_%s_idx on _%s(_%s)'%( |
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390 spec.classname, spec.key, |
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391 spec.classname, spec.key) |
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392 if __debug__: |
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393 print >>hyperdb.DEBUG, 'create_index', (self, index_sql3) |
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394 self.cursor.execute(index_sql3) |
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395 |
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396 # TODO: create indexes on (selected?) Link property columns, as |
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397 # they're more likely to be used for lookup |
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398 |
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399 def drop_class_table_indexes(self, cn, key): |
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400 # drop the old table indexes first |
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401 l = ['_%s_id_idx'%cn, '_%s_retired_idx'%cn] |
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402 if key: |
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403 l.append('_%s_%s_idx'%(cn, key)) |
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404 |
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405 table_name = '_%s'%cn |
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406 for index_name in l: |
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407 if not self.sql_index_exists(table_name, index_name): |
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408 continue |
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409 index_sql = 'drop index '+index_name |
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410 if __debug__: |
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411 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql) |
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412 self.cursor.execute(index_sql) |
| 1165 | 413 |
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414 def create_class_table_key_index(self, cn, key): |
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415 ''' create the class table for the given spec |
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416 ''' |
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417 sql = 'create index _%s_%s_idx on _%s(_%s)'%(cn, key, cn, key) |
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418 if __debug__: |
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419 print >>hyperdb.DEBUG, 'create_class_tab_key_index', (self, sql) |
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420 self.cursor.execute(sql) |
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421 |
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422 def drop_class_table_key_index(self, cn, key): |
|
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423 table_name = '_%s'%cn |
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424 index_name = '_%s_%s_idx'%(cn, key) |
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425 if not self.sql_index_exists(table_name, index_name): |
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426 return |
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427 sql = 'drop index '+index_name |
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428 if __debug__: |
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429 print >>hyperdb.DEBUG, 'drop_class_tab_key_index', (self, sql) |
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430 self.cursor.execute(sql) |
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431 |
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432 def create_journal_table(self, spec): |
| 1165 | 433 ''' create the journal table for a class given the spec and |
| 434 already-determined cols | |
| 435 ''' | |
| 436 # journal table | |
| 437 cols = ','.join(['%s varchar'%x | |
| 438 for x in 'nodeid date tag action params'.split()]) | |
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439 sql = '''create table %s__journal ( |
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440 nodeid integer, date timestamp, tag varchar(255), |
|
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441 action varchar(255), params text)'''%spec.classname |
| 1165 | 442 if __debug__: |
|
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443 print >>hyperdb.DEBUG, 'create_journal_table', (self, sql) |
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444 self.cursor.execute(sql) |
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445 self.create_journal_table_indexes(spec) |
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446 |
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447 def create_journal_table_indexes(self, spec): |
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448 # index on nodeid |
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449 sql = 'create index %s_journ_idx on %s__journal(nodeid)'%( |
|
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450 spec.classname, spec.classname) |
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451 if __debug__: |
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452 print >>hyperdb.DEBUG, 'create_index', (self, sql) |
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453 self.cursor.execute(sql) |
| 1165 | 454 |
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455 def drop_journal_table_indexes(self, classname): |
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456 index_name = '%s_journ_idx'%classname |
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457 if not self.sql_index_exists('%s__journal'%classname, index_name): |
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458 return |
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459 index_sql = 'drop index '+index_name |
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460 if __debug__: |
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461 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql) |
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462 self.cursor.execute(index_sql) |
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463 |
|
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464 def create_multilink_table(self, spec, ml): |
| 1165 | 465 ''' Create a multilink table for the "ml" property of the class |
| 466 given by the spec | |
| 467 ''' | |
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468 # create the table |
| 1165 | 469 sql = 'create table %s_%s (linkid varchar, nodeid varchar)'%( |
| 470 spec.classname, ml) | |
| 471 if __debug__: | |
| 472 print >>hyperdb.DEBUG, 'create_class', (self, sql) | |
|
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473 self.cursor.execute(sql) |
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474 self.create_multilink_table_indexes(spec, ml) |
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475 |
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476 def create_multilink_table_indexes(self, spec, ml): |
|
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477 # create index on linkid |
|
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478 index_sql = 'create index %s_%s_l_idx on %s_%s(linkid)'%( |
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479 spec.classname, ml, spec.classname, ml) |
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480 if __debug__: |
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481 print >>hyperdb.DEBUG, 'create_index', (self, index_sql) |
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482 self.cursor.execute(index_sql) |
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483 |
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484 # create index on nodeid |
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485 index_sql = 'create index %s_%s_n_idx on %s_%s(nodeid)'%( |
|
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MySQL migration of old backend database to new, typed database complete.
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486 spec.classname, ml, spec.classname, ml) |
|
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487 if __debug__: |
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488 print >>hyperdb.DEBUG, 'create_index', (self, index_sql) |
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489 self.cursor.execute(index_sql) |
| 1165 | 490 |
|
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491 def drop_multilink_table_indexes(self, classname, ml): |
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492 l = [ |
|
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493 '%s_%s_l_idx'%(classname, ml), |
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494 '%s_%s_n_idx'%(classname, ml) |
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495 ] |
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496 table_name = '%s_%s'%(classname, ml) |
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497 for index_name in l: |
|
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498 if not self.sql_index_exists(table_name, index_name): |
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|
499 continue |
|
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500 index_sql = 'drop index %s'%index_name |
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501 if __debug__: |
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502 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql) |
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503 self.cursor.execute(index_sql) |
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504 |
| 1165 | 505 def create_class(self, spec): |
| 506 ''' Create a database table according to the given spec. | |
| 507 ''' | |
|
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508 cols, mls = self.create_class_table(spec) |
|
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|
509 self.create_journal_table(spec) |
| 1165 | 510 |
| 511 # now create the multilink tables | |
| 512 for ml in mls: | |
|
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|
513 self.create_multilink_table(spec, ml) |
| 1165 | 514 |
|
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changeset
|
515 def drop_class(self, cn, spec): |
| 1165 | 516 ''' Drop the given table from the database. |
| 517 | |
| 518 Drop the journal and multilink tables too. | |
| 519 ''' | |
|
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|
520 properties = spec[1] |
| 1165 | 521 # figure the multilinks |
| 522 mls = [] | |
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|
523 for propanme, prop in properties: |
| 1165 | 524 if isinstance(prop, Multilink): |
|
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|
525 mls.append(propname) |
| 1165 | 526 |
|
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527 # drop class table and indexes |
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528 self.drop_class_table_indexes(cn, spec[0]) |
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|
529 |
|
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Implemented proper datatypes in mysql and postgresql backends...
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changeset
|
530 self.drop_class_table(cn) |
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|
531 |
|
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|
532 # drop journal table and indexes |
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533 self.drop_journal_table_indexes(cn) |
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|
534 sql = 'drop table %s__journal'%cn |
| 1165 | 535 if __debug__: |
| 536 print >>hyperdb.DEBUG, 'drop_class', (self, sql) | |
|
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changeset
|
537 self.cursor.execute(sql) |
| 1165 | 538 |
| 539 for ml in mls: | |
|
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|
540 # drop multilink table and indexes |
|
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changeset
|
541 self.drop_multilink_table_indexes(cn, ml) |
| 1165 | 542 sql = 'drop table %s_%s'%(spec.classname, ml) |
| 543 if __debug__: | |
| 544 print >>hyperdb.DEBUG, 'drop_class', (self, sql) | |
|
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Some speedups - both of the SQL backends can handle using only one cursor.
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parents:
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changeset
|
545 self.cursor.execute(sql) |
| 1165 | 546 |
|
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Implemented proper datatypes in mysql and postgresql backends...
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changeset
|
547 def drop_class_table(self, cn): |
|
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|
548 sql = 'drop table _%s'%cn |
|
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|
549 if __debug__: |
|
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|
550 print >>hyperdb.DEBUG, 'drop_class', (self, sql) |
|
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|
551 self.cursor.execute(sql) |
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changeset
|
552 |
| 1165 | 553 # |
| 554 # Classes | |
| 555 # | |
| 556 def __getattr__(self, classname): | |
| 557 ''' A convenient way of calling self.getclass(classname). | |
| 558 ''' | |
| 559 if self.classes.has_key(classname): | |
| 560 if __debug__: | |
| 561 print >>hyperdb.DEBUG, '__getattr__', (self, classname) | |
| 562 return self.classes[classname] | |
| 563 raise AttributeError, classname | |
| 564 | |
| 565 def addclass(self, cl): | |
| 566 ''' Add a Class to the hyperdatabase. | |
| 567 ''' | |
| 568 if __debug__: | |
| 569 print >>hyperdb.DEBUG, 'addclass', (self, cl) | |
| 570 cn = cl.classname | |
| 571 if self.classes.has_key(cn): | |
| 572 raise ValueError, cn | |
| 573 self.classes[cn] = cl | |
| 574 | |
|
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diff
changeset
|
575 # add default Edit and View permissions |
|
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changeset
|
576 self.security.addPermission(name="Edit", klass=cn, |
|
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security fixes and doc updates
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changeset
|
577 description="User is allowed to edit "+cn) |
|
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security fixes and doc updates
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changeset
|
578 self.security.addPermission(name="View", klass=cn, |
|
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security fixes and doc updates
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changeset
|
579 description="User is allowed to access "+cn) |
|
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changeset
|
580 |
| 1165 | 581 def getclasses(self): |
| 582 ''' Return a list of the names of all existing classes. | |
| 583 ''' | |
| 584 if __debug__: | |
| 585 print >>hyperdb.DEBUG, 'getclasses', (self,) | |
| 586 l = self.classes.keys() | |
| 587 l.sort() | |
| 588 return l | |
| 589 | |
| 590 def getclass(self, classname): | |
| 591 '''Get the Class object representing a particular class. | |
| 592 | |
| 593 If 'classname' is not a valid class name, a KeyError is raised. | |
| 594 ''' | |
| 595 if __debug__: | |
| 596 print >>hyperdb.DEBUG, 'getclass', (self, classname) | |
| 597 try: | |
| 598 return self.classes[classname] | |
| 599 except KeyError: | |
| 600 raise KeyError, 'There is no class called "%s"'%classname | |
| 601 | |
| 602 def clear(self): | |
|
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|
603 '''Delete all database contents. |
| 1165 | 604 |
|
2005
fc52d57c6c3e
documentation cleanup
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parents:
1988
diff
changeset
|
605 Note: I don't commit here, which is different behaviour to the |
|
fc52d57c6c3e
documentation cleanup
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parents:
1988
diff
changeset
|
606 "nuke from orbit" behaviour in the dbs. |
| 1165 | 607 ''' |
| 608 if __debug__: | |
| 609 print >>hyperdb.DEBUG, 'clear', (self,) | |
| 610 for cn in self.classes.keys(): | |
| 611 sql = 'delete from _%s'%cn | |
| 612 if __debug__: | |
| 613 print >>hyperdb.DEBUG, 'clear', (self, sql) | |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
614 self.cursor.execute(sql) |
| 1165 | 615 |
| 616 # | |
| 617 # Nodes | |
| 618 # | |
|
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|
619 |
|
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diff
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|
620 hyperdb_to_sql_value = { |
|
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|
621 hyperdb.String : str, |
|
2244
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
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parents:
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diff
changeset
|
622 # fractional seconds by default |
|
2102
666402433998
Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
623 hyperdb.Date : lambda x: x.formal(sep=' ', sec='%.3f'), |
|
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|
624 hyperdb.Link : int, |
|
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|
625 hyperdb.Interval : str, |
|
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changeset
|
626 hyperdb.Password : str, |
|
2166
cd42c3c7173a
MySQL and Postgresql use BOOL/BOOLEAN for Boolean types
Richard Jones <richard@users.sourceforge.net>
parents:
2102
diff
changeset
|
627 hyperdb.Boolean : lambda x: x and 'TRUE' or 'FALSE', |
|
2098
18addf2a8596
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changeset
|
628 hyperdb.Number : lambda x: x, |
|
2244
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
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parents:
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diff
changeset
|
629 hyperdb.Multilink : lambda x: x, # used in journal marshalling |
|
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|
630 } |
| 1165 | 631 def addnode(self, classname, nodeid, node): |
| 632 ''' Add the specified node to its class's db. | |
| 633 ''' | |
| 634 if __debug__: | |
| 635 print >>hyperdb.DEBUG, 'addnode', (self, classname, nodeid, node) | |
|
1528
96cd422532ef
bye bye gadfly - you served your purpose well [SF#701127]
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
636 |
|
96cd422532ef
bye bye gadfly - you served your purpose well [SF#701127]
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parents:
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diff
changeset
|
637 # determine the column definitions and multilink tables |
| 1165 | 638 cl = self.classes[classname] |
| 639 cols, mls = self.determine_columns(cl.properties.items()) | |
| 640 | |
|
1189
23b8d1e87fe3
import fixes
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|
641 # we'll be supplied these props if we're doing an import |
|
2098
18addf2a8596
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|
642 values = node.copy() |
|
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|
643 if not values.has_key('creator'): |
|
1189
23b8d1e87fe3
import fixes
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parents:
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diff
changeset
|
644 # add in the "calculated" properties (dupe so we don't affect |
|
23b8d1e87fe3
import fixes
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parents:
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diff
changeset
|
645 # calling code's node assumptions) |
|
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|
646 values['creation'] = values['activity'] = date.Date() |
|
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647 values['actor'] = values['creator'] = self.getuid() |
|
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648 |
|
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|
649 cl = self.classes[classname] |
|
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650 props = cl.getprops(protected=1) |
|
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diff
changeset
|
651 del props['id'] |
|
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changeset
|
652 |
| 1165 | 653 # default the non-multilink columns |
|
2098
18addf2a8596
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|
654 for col, prop in props.items(): |
|
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parents:
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diff
changeset
|
655 if not values.has_key(col): |
|
1496
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
656 if isinstance(prop, Multilink): |
|
2098
18addf2a8596
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diff
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|
657 values[col] = [] |
|
1496
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relaxed CVS importing (feature [SF#693277])
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parents:
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diff
changeset
|
658 else: |
|
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|
659 values[col] = None |
| 1165 | 660 |
|
1173
58f1a2c174ed
simple LRU cache for SQL databases
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parents:
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diff
changeset
|
661 # clear this node out of the cache if it's in there |
|
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simple LRU cache for SQL databases
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diff
changeset
|
662 key = (classname, nodeid) |
|
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simple LRU cache for SQL databases
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diff
changeset
|
663 if self.cache.has_key(key): |
|
58f1a2c174ed
simple LRU cache for SQL databases
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parents:
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diff
changeset
|
664 del self.cache[key] |
|
58f1a2c174ed
simple LRU cache for SQL databases
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changeset
|
665 self.cache_lru.remove(key) |
|
58f1a2c174ed
simple LRU cache for SQL databases
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changeset
|
666 |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
667 # figure the values to insert |
|
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|
668 vals = [] |
|
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|
669 for col,dt in cols: |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
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parents:
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|
670 # this is somewhat dodgy.... |
|
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changeset
|
671 if col.endswith('_int__'): |
|
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parents:
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changeset
|
672 # XXX eugh, this test suxxors |
|
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parents:
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diff
changeset
|
673 value = values[col[2:-6]] |
|
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store Intervals as two columns (and other fixes
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parents:
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changeset
|
674 # this is an Interval special "int" column |
|
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parents:
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changeset
|
675 if value is not None: |
|
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parents:
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changeset
|
676 vals.append(value.as_seconds()) |
|
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parents:
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changeset
|
677 else: |
|
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parents:
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changeset
|
678 vals.append(value) |
|
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parents:
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diff
changeset
|
679 continue |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
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parents:
2196
diff
changeset
|
680 |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
681 prop = props[col[1:]] |
|
18addf2a8596
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|
682 value = values[col[1:]] |
|
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changeset
|
683 if value: |
|
18addf2a8596
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parents:
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diff
changeset
|
684 value = self.hyperdb_to_sql_value[prop.__class__](value) |
|
18addf2a8596
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parents:
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changeset
|
685 vals.append(value) |
|
18addf2a8596
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parents:
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diff
changeset
|
686 vals.append(nodeid) |
|
18addf2a8596
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parents:
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diff
changeset
|
687 vals = tuple(vals) |
| 1165 | 688 |
| 689 # make sure the ordering is correct for column name -> column value | |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
690 s = ','.join([self.arg for x in cols]) + ',%s'%self.arg |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
691 cols = ','.join([col for col,dt in cols]) + ',id' |
| 1165 | 692 |
| 693 # perform the inserts | |
| 694 sql = 'insert into _%s (%s) values (%s)'%(classname, cols, s) | |
| 695 if __debug__: | |
| 696 print >>hyperdb.DEBUG, 'addnode', (self, sql, vals) | |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
697 self.cursor.execute(sql, vals) |
| 1165 | 698 |
| 699 # insert the multilink rows | |
| 700 for col in mls: | |
| 701 t = '%s_%s'%(classname, col) | |
| 702 for entry in node[col]: | |
| 703 sql = 'insert into %s (linkid, nodeid) values (%s,%s)'%(t, | |
| 704 self.arg, self.arg) | |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
705 self.sql(sql, (entry, nodeid)) |
| 1165 | 706 |
|
2175
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
707 def setnode(self, classname, nodeid, values, multilink_changes={}): |
| 1165 | 708 ''' Change the specified node. |
| 709 ''' | |
| 710 if __debug__: | |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
711 print >>hyperdb.DEBUG, 'setnode', (self, classname, nodeid, values) |
|
1173
58f1a2c174ed
simple LRU cache for SQL databases
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parents:
1172
diff
changeset
|
712 |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
713 # clear this node out of the cache if it's in there |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
714 key = (classname, nodeid) |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
715 if self.cache.has_key(key): |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
1172
diff
changeset
|
716 del self.cache[key] |
|
58f1a2c174ed
simple LRU cache for SQL databases
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parents:
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diff
changeset
|
717 self.cache_lru.remove(key) |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
718 |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
719 # add the special props |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
720 values = values.copy() |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
721 values['activity'] = date.Date() |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
722 values['actor'] = self.getuid() |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
723 |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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diff
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|
724 cl = self.classes[classname] |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
725 props = cl.getprops() |
| 1165 | 726 |
| 727 cols = [] | |
| 728 mls = [] | |
| 729 # add the multilinks separately | |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
730 for col in values.keys(): |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
731 prop = props[col] |
| 1165 | 732 if isinstance(prop, Multilink): |
| 733 mls.append(col) | |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
734 elif isinstance(prop, Interval): |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
735 # Intervals store the seconds value too |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
736 cols.append(col) |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
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parents:
2196
diff
changeset
|
737 # extra leading '_' added by code below |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
738 cols.append('_' +col + '_int__') |
| 1165 | 739 else: |
|
2098
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parents:
2093
diff
changeset
|
740 cols.append(col) |
| 1165 | 741 cols.sort() |
| 742 | |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
743 # figure the values to insert |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
2093
diff
changeset
|
744 vals = [] |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
745 for col in cols: |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
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parents:
2196
diff
changeset
|
746 if col.endswith('_int__'): |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
747 # XXX eugh, this test suxxors |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
748 # Intervals store the seconds value too |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
749 col = col[1:-6] |
|
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|
750 prop = props[col] |
|
98d3bf8ffb19
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|
751 value = values[col] |
|
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diff
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|
752 if value is None: |
|
98d3bf8ffb19
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changeset
|
753 vals.append(None) |
|
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diff
changeset
|
754 else: |
|
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diff
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|
755 vals.append(value.as_seconds()) |
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756 else: |
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|
757 prop = props[col] |
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|
758 value = values[col] |
|
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|
759 if value is None: |
|
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|
760 e = None |
|
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|
761 else: |
|
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|
762 e = self.hyperdb_to_sql_value[prop.__class__](value) |
|
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763 vals.append(e) |
|
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|
764 |
|
2098
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diff
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|
765 vals.append(int(nodeid)) |
|
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|
766 vals = tuple(vals) |
|
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|
767 |
|
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8e318dfaf479
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|
768 # if there's any updates to regular columns, do them |
|
8e318dfaf479
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|
769 if cols: |
|
8e318dfaf479
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changeset
|
770 # make sure the ordering is correct for column name -> column value |
|
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771 s = ','.join(['_%s=%s'%(x, self.arg) for x in cols]) |
|
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|
772 cols = ','.join(cols) |
|
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|
773 |
|
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|
774 # perform the update |
|
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|
775 sql = 'update _%s set %s where id=%s'%(classname, s, self.arg) |
|
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|
776 if __debug__: |
|
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|
777 print >>hyperdb.DEBUG, 'setnode', (self, sql, vals) |
|
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|
778 self.cursor.execute(sql, vals) |
| 1165 | 779 |
|
2175
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|
780 # we're probably coming from an import, not a change |
|
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diff
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|
781 if not multilink_changes: |
|
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diff
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782 for name in mls: |
|
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|
783 prop = props[name] |
|
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Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
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|
784 value = values[name] |
|
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diff
changeset
|
785 |
|
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diff
changeset
|
786 t = '%s_%s'%(classname, name) |
|
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diff
changeset
|
787 |
|
723098a10677
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Richard Jones <richard@users.sourceforge.net>
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diff
changeset
|
788 # clear out previous values for this node |
|
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Export and import now include journals (incompatible with export < 0.7)
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diff
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|
789 # XXX numeric ids |
|
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diff
changeset
|
790 self.sql('delete from %s where nodeid=%s'%(t, self.arg), |
|
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diff
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|
791 (nodeid,)) |
|
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Export and import now include journals (incompatible with export < 0.7)
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diff
changeset
|
792 |
|
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diff
changeset
|
793 # insert the values for this node |
|
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diff
changeset
|
794 for entry in values[name]: |
|
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diff
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|
795 sql = 'insert into %s (linkid, nodeid) values (%s,%s)'%(t, |
|
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diff
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|
796 self.arg, self.arg) |
|
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diff
changeset
|
797 # XXX numeric ids |
|
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diff
changeset
|
798 self.sql(sql, (entry, nodeid)) |
|
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diff
changeset
|
799 |
|
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diff
changeset
|
800 # we have multilink changes to apply |
| 1165 | 801 for col, (add, remove) in multilink_changes.items(): |
| 802 tn = '%s_%s'%(classname, col) | |
| 803 if add: | |
| 804 sql = 'insert into %s (nodeid, linkid) values (%s,%s)'%(tn, | |
| 805 self.arg, self.arg) | |
| 806 for addid in add: | |
|
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|
807 # XXX numeric ids |
|
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diff
changeset
|
808 self.sql(sql, (int(nodeid), int(addid))) |
| 1165 | 809 if remove: |
| 810 sql = 'delete from %s where nodeid=%s and linkid=%s'%(tn, | |
| 811 self.arg, self.arg) | |
| 812 for removeid in remove: | |
|
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changeset
|
813 # XXX numeric ids |
|
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diff
changeset
|
814 self.sql(sql, (int(nodeid), int(removeid))) |
| 1165 | 815 |
|
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|
816 sql_to_hyperdb_value = { |
|
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|
817 hyperdb.String : str, |
|
2100
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diff
changeset
|
818 hyperdb.Date : lambda x:date.Date(str(x).replace(' ', '.')), |
|
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|
819 # hyperdb.Link : int, # XXX numeric ids |
|
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|
820 hyperdb.Link : str, |
|
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|
821 hyperdb.Interval : date.Interval, |
|
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|
822 hyperdb.Password : lambda x: password.Password(encrypted=x), |
|
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|
823 hyperdb.Boolean : int, |
|
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|
824 hyperdb.Number : _num_cvt, |
|
2244
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fixed journal marshalling in RDBMS backends [SF#943627]
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diff
changeset
|
825 hyperdb.Multilink : lambda x: x, # used in journal marshalling |
|
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diff
changeset
|
826 } |
| 1165 | 827 def getnode(self, classname, nodeid): |
| 828 ''' Get a node from the database. | |
| 829 ''' | |
| 830 if __debug__: | |
| 831 print >>hyperdb.DEBUG, 'getnode', (self, classname, nodeid) | |
|
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|
832 |
|
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changeset
|
833 # see if we have this node cached |
|
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changeset
|
834 key = (classname, nodeid) |
|
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|
835 if self.cache.has_key(key): |
|
58f1a2c174ed
simple LRU cache for SQL databases
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changeset
|
836 # push us back to the top of the LRU |
|
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diff
changeset
|
837 self.cache_lru.remove(key) |
|
1185
3b0735ef8207
fix to LRU cache
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parents:
1183
diff
changeset
|
838 self.cache_lru.insert(0, key) |
|
2237
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changeset
|
839 if __debug__: |
|
f624fc20f8fe
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|
840 self.stats['cache_hits'] += 1 |
|
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|
841 # return the cached information |
|
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|
842 return self.cache[key] |
|
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diff
changeset
|
843 |
|
2237
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changeset
|
844 if __debug__: |
|
f624fc20f8fe
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changeset
|
845 self.stats['cache_misses'] += 1 |
|
f624fc20f8fe
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diff
changeset
|
846 start_t = time.time() |
|
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diff
changeset
|
847 |
| 1165 | 848 # figure the columns we're fetching |
| 849 cl = self.classes[classname] | |
| 850 cols, mls = self.determine_columns(cl.properties.items()) | |
|
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|
851 scols = ','.join([col for col,dt in cols]) |
| 1165 | 852 |
| 853 # perform the basic property fetch | |
| 854 sql = 'select %s from _%s where id=%s'%(scols, classname, self.arg) | |
|
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changeset
|
855 self.sql(sql, (nodeid,)) |
| 1165 | 856 |
|
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changeset
|
857 values = self.sql_fetchone() |
| 1165 | 858 if values is None: |
| 859 raise IndexError, 'no such %s node %s'%(classname, nodeid) | |
| 860 | |
| 861 # make up the node | |
| 862 node = {} | |
|
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|
863 props = cl.getprops(protected=1) |
| 1165 | 864 for col in range(len(cols)): |
|
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changeset
|
865 name = cols[col][0][1:] |
|
2217
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|
866 if name.endswith('_int__'): |
|
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|
867 # XXX eugh, this test suxxors |
|
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|
868 # ignore the special Interval-as-seconds column |
|
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changeset
|
869 continue |
|
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|
870 value = values[col] |
|
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|
871 if value is not None: |
|
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changeset
|
872 value = self.sql_to_hyperdb_value[props[name].__class__](value) |
|
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|
873 node[name] = value |
|
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changeset
|
874 |
| 1165 | 875 |
| 876 # now the multilinks | |
| 877 for col in mls: | |
| 878 # get the link ids | |
| 879 sql = 'select linkid from %s_%s where nodeid=%s'%(classname, col, | |
| 880 self.arg) | |
|
1183
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changeset
|
881 self.cursor.execute(sql, (nodeid,)) |
| 1165 | 882 # extract the first column from the result |
|
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|
883 # XXX numeric ids |
|
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|
884 node[col] = [str(x[0]) for x in self.cursor.fetchall()] |
|
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|
885 |
|
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changeset
|
886 # save off in the cache |
|
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changeset
|
887 key = (classname, nodeid) |
|
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|
888 self.cache[key] = node |
|
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|
889 # update the LRU |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
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|
890 self.cache_lru.insert(0, key) |
|
1185
3b0735ef8207
fix to LRU cache
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|
891 if len(self.cache_lru) > ROW_CACHE_SIZE: |
|
3b0735ef8207
fix to LRU cache
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diff
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|
892 del self.cache[self.cache_lru.pop()] |
|
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simple LRU cache for SQL databases
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parents:
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diff
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|
893 |
|
2237
f624fc20f8fe
added capturing of stats
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|
894 if __debug__: |
|
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diff
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|
895 self.stats['get_items'] += (time.time() - start_t) |
|
f624fc20f8fe
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|
896 |
|
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58f1a2c174ed
simple LRU cache for SQL databases
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|
897 return node |
| 1165 | 898 |
| 899 def destroynode(self, classname, nodeid): | |
| 900 '''Remove a node from the database. Called exclusively by the | |
| 901 destroy() method on Class. | |
| 902 ''' | |
| 903 if __debug__: | |
| 904 print >>hyperdb.DEBUG, 'destroynode', (self, classname, nodeid) | |
| 905 | |
| 906 # make sure the node exists | |
| 907 if not self.hasnode(classname, nodeid): | |
| 908 raise IndexError, '%s has no node %s'%(classname, nodeid) | |
| 909 | |
|
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diff
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|
910 # see if we have this node cached |
|
58f1a2c174ed
simple LRU cache for SQL databases
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|
911 if self.cache.has_key((classname, nodeid)): |
|
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simple LRU cache for SQL databases
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diff
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|
912 del self.cache[(classname, nodeid)] |
|
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simple LRU cache for SQL databases
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|
913 |
| 1165 | 914 # see if there's any obvious commit actions that we should get rid of |
| 915 for entry in self.transactions[:]: | |
| 916 if entry[1][:2] == (classname, nodeid): | |
| 917 self.transactions.remove(entry) | |
| 918 | |
| 919 # now do the SQL | |
| 920 sql = 'delete from _%s where id=%s'%(classname, self.arg) | |
|
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08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
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changeset
|
921 self.sql(sql, (nodeid,)) |
| 1165 | 922 |
| 923 # remove from multilnks | |
| 924 cl = self.getclass(classname) | |
| 925 x, mls = self.determine_columns(cl.properties.items()) | |
| 926 for col in mls: | |
| 927 # get the link ids | |
| 928 sql = 'delete from %s_%s where nodeid=%s'%(classname, col, self.arg) | |
|
1906
f255363e6d97
PostgreSQL backend lands.
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|
929 self.sql(sql, (nodeid,)) |
| 1165 | 930 |
| 931 # remove journal entries | |
| 932 sql = 'delete from %s__journal where nodeid=%s'%(classname, self.arg) | |
|
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Some speedups - both of the SQL backends can handle using only one cursor.
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|
933 self.sql(sql, (nodeid,)) |
| 1165 | 934 |
| 935 def hasnode(self, classname, nodeid): | |
| 936 ''' Determine if the database has a given node. | |
| 937 ''' | |
| 938 sql = 'select count(*) from _%s where id=%s'%(classname, self.arg) | |
| 939 if __debug__: | |
| 940 print >>hyperdb.DEBUG, 'hasnode', (self, sql, nodeid) | |
|
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Richard Jones <richard@users.sourceforge.net>
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diff
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|
941 self.cursor.execute(sql, (nodeid,)) |
|
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diff
changeset
|
942 return int(self.cursor.fetchone()[0]) |
| 1165 | 943 |
| 944 def countnodes(self, classname): | |
| 945 ''' Count the number of nodes that exist for a particular Class. | |
| 946 ''' | |
| 947 sql = 'select count(*) from _%s'%classname | |
| 948 if __debug__: | |
| 949 print >>hyperdb.DEBUG, 'countnodes', (self, sql) | |
|
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|
950 self.cursor.execute(sql) |
|
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|
951 return self.cursor.fetchone()[0] |
| 1165 | 952 |
| 953 def addjournal(self, classname, nodeid, action, params, creator=None, | |
| 954 creation=None): | |
| 955 ''' Journal the Action | |
| 956 'action' may be: | |
| 957 | |
| 958 'create' or 'set' -- 'params' is a dictionary of property values | |
| 959 'link' or 'unlink' -- 'params' is (classname, nodeid, propname) | |
| 960 'retire' -- 'params' is None | |
| 961 ''' | |
| 962 # handle supply of the special journalling parameters (usually | |
| 963 # supplied on importing an existing database) | |
| 964 if creator: | |
| 965 journaltag = creator | |
| 966 else: | |
|
1800
a3b1b1dcf639
Use getuid(), not figure_curuserid()
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
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diff
changeset
|
967 journaltag = self.getuid() |
| 1165 | 968 if creation: |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
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|
969 journaldate = creation |
| 1165 | 970 else: |
|
2098
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|
971 journaldate = date.Date() |
| 1165 | 972 |
| 973 # create the journal entry | |
|
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|
974 cols = 'nodeid,date,tag,action,params' |
| 1165 | 975 |
| 976 if __debug__: | |
| 977 print >>hyperdb.DEBUG, 'addjournal', (nodeid, journaldate, | |
| 978 journaltag, action, params) | |
|
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|
979 |
|
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|
980 # make the journalled data marshallable |
|
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|
981 if isinstance(params, type({})): |
|
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|
982 self._journal_marshal(params, classname) |
|
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|
983 |
|
ac4f295499a4
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|
984 params = repr(params) |
|
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|
985 |
|
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fixed journal marshalling in RDBMS backends [SF#943627]
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changeset
|
986 dc = self.hyperdb_to_sql_value[hyperdb.Date] |
|
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|
987 journaldate = dc(journaldate) |
| 1165 | 988 |
|
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989 self.save_journal(classname, cols, nodeid, journaldate, |
| 1165 | 990 journaltag, action, params) |
| 991 | |
|
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992 def setjournal(self, classname, nodeid, journal): |
|
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993 '''Set the journal to the "journal" list.''' |
|
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994 # clear out any existing entries |
|
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|
995 self.sql('delete from %s__journal where nodeid=%s'%(classname, |
|
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|
996 self.arg), (nodeid,)) |
|
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|
997 |
|
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|
998 # create the journal entry |
|
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|
999 cols = 'nodeid,date,tag,action,params' |
|
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|
1000 |
|
2274
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fix RDBMS import (thanks Tamer Fahmy)
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|
1001 dc = self.hyperdb_to_sql_value[hyperdb.Date] |
|
2175
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|
1002 for nodeid, journaldate, journaltag, action, params in journal: |
|
723098a10677
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1003 if __debug__: |
|
723098a10677
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1004 print >>hyperdb.DEBUG, 'setjournal', (nodeid, journaldate, |
|
723098a10677
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|
1005 journaltag, action, params) |
|
2274
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|
1006 |
|
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|
1007 # make the journalled data marshallable |
|
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|
1008 if isinstance(params, type({})): |
|
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|
1009 self._journal_marshal(params, classname) |
|
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|
1010 params = repr(params) |
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|
1011 |
|
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|
1012 self.save_journal(classname, cols, nodeid, dc(journaldate), |
|
2175
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|
1013 journaltag, action, params) |
|
723098a10677
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|
1014 |
|
2274
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fix RDBMS import (thanks Tamer Fahmy)
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changeset
|
1015 def _journal_marshal(self, params, classname): |
|
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|
1016 '''Convert the journal params values into safely repr'able and |
|
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|
1017 eval'able values.''' |
|
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fix RDBMS import (thanks Tamer Fahmy)
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|
1018 properties = self.getclass(classname).getprops() |
|
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fix RDBMS import (thanks Tamer Fahmy)
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|
1019 for param, value in params.items(): |
|
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|
1020 if not value: |
|
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|
1021 continue |
|
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|
1022 property = properties[param] |
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|
1023 cvt = self.hyperdb_to_sql_value[property.__class__] |
|
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|
1024 if isinstance(property, Password): |
|
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|
1025 params[param] = cvt(value) |
|
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|
1026 elif isinstance(property, Date): |
|
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|
1027 params[param] = cvt(value) |
|
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|
1028 elif isinstance(property, Interval): |
|
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|
1029 params[param] = cvt(value) |
|
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|
1030 elif isinstance(property, Boolean): |
|
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|
1031 params[param] = cvt(value) |
|
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changeset
|
1032 |
| 1165 | 1033 def getjournal(self, classname, nodeid): |
| 1034 ''' get the journal for id | |
| 1035 ''' | |
| 1036 # make sure the node exists | |
| 1037 if not self.hasnode(classname, nodeid): | |
| 1038 raise IndexError, '%s has no node %s'%(classname, nodeid) | |
| 1039 | |
| 1040 cols = ','.join('nodeid date tag action params'.split()) | |
|
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|
1041 journal = self.load_journal(classname, cols, nodeid) |
|
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|
1042 |
|
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|
1043 # now unmarshal the data |
|
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|
1044 dc = self.sql_to_hyperdb_value[hyperdb.Date] |
|
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|
1045 res = [] |
|
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|
1046 properties = self.getclass(classname).getprops() |
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changeset
|
1047 for nodeid, date_stamp, user, action, params in journal: |
|
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changeset
|
1048 params = eval(params) |
|
2248
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fixed rego from email address [SF#947414]
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changeset
|
1049 if isinstance(params, type({})): |
|
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changeset
|
1050 for param, value in params.items(): |
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|
1051 if not value: |
|
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changeset
|
1052 continue |
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changeset
|
1053 property = properties[param] |
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|
1054 cvt = self.sql_to_hyperdb_value[property.__class__] |
|
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changeset
|
1055 if isinstance(property, Password): |
|
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changeset
|
1056 params[param] = cvt(value) |
|
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changeset
|
1057 elif isinstance(property, Date): |
|
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changeset
|
1058 params[param] = cvt(value) |
|
cd7e6d6288c6
fixed rego from email address [SF#947414]
Richard Jones <richard@users.sourceforge.net>
parents:
2244
diff
changeset
|
1059 elif isinstance(property, Interval): |
|
cd7e6d6288c6
fixed rego from email address [SF#947414]
Richard Jones <richard@users.sourceforge.net>
parents:
2244
diff
changeset
|
1060 params[param] = cvt(value) |
|
cd7e6d6288c6
fixed rego from email address [SF#947414]
Richard Jones <richard@users.sourceforge.net>
parents:
2244
diff
changeset
|
1061 elif isinstance(property, Boolean): |
|
cd7e6d6288c6
fixed rego from email address [SF#947414]
Richard Jones <richard@users.sourceforge.net>
parents:
2244
diff
changeset
|
1062 params[param] = cvt(value) |
|
2244
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents:
2240
diff
changeset
|
1063 # XXX numeric ids |
|
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents:
2240
diff
changeset
|
1064 res.append((str(nodeid), dc(date_stamp), user, action, params)) |
|
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents:
2240
diff
changeset
|
1065 return res |
| 1165 | 1066 |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1067 def save_journal(self, classname, cols, nodeid, journaldate, |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1068 journaltag, action, params): |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1069 ''' Save the journal entry to the database |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1070 ''' |
|
2244
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents:
2240
diff
changeset
|
1071 entry = (nodeid, journaldate, journaltag, action, params) |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1072 |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1073 # do the insert |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1074 a = self.arg |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1075 sql = 'insert into %s__journal (%s) values (%s,%s,%s,%s,%s)'%( |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1076 classname, cols, a, a, a, a, a) |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1077 if __debug__: |
|
2100
62ed6505cbec
MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents:
2098
diff
changeset
|
1078 print >>hyperdb.DEBUG, 'save_journal', (self, sql, entry) |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1079 self.cursor.execute(sql, entry) |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1080 |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
1081 def load_journal(self, classname, cols, nodeid): |
| 1165 | 1082 ''' Load the journal from the database |
| 1083 ''' | |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1084 # now get the journal entries |
|
2089
93f03c6714d8
A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents:
2082
diff
changeset
|
1085 sql = 'select %s from %s__journal where nodeid=%s order by date'%( |
|
93f03c6714d8
A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents:
2082
diff
changeset
|
1086 cols, classname, self.arg) |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1087 if __debug__: |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1088 print >>hyperdb.DEBUG, 'load_journal', (self, sql, nodeid) |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1089 self.cursor.execute(sql, (nodeid,)) |
|
2244
ac4f295499a4
fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents:
2240
diff
changeset
|
1090 return self.cursor.fetchall() |
| 1165 | 1091 |
| 1092 def pack(self, pack_before): | |
| 1093 ''' Delete all journal entries except "create" before 'pack_before'. | |
| 1094 ''' | |
| 1095 # get a 'yyyymmddhhmmss' version of the date | |
| 1096 date_stamp = pack_before.serialise() | |
| 1097 | |
| 1098 # do the delete | |
| 1099 for classname in self.classes.keys(): | |
| 1100 sql = "delete from %s__journal where date<%s and "\ | |
| 1101 "action<>'create'"%(classname, self.arg) | |
| 1102 if __debug__: | |
| 1103 print >>hyperdb.DEBUG, 'pack', (self, sql, date_stamp) | |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
1104 self.cursor.execute(sql, (date_stamp,)) |
| 1165 | 1105 |
| 1106 def sql_commit(self): | |
| 1107 ''' Actually commit to the database. | |
| 1108 ''' | |
|
2075
b1704ba7be41
make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents:
2073
diff
changeset
|
1109 if __debug__: |
|
b1704ba7be41
make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents:
2073
diff
changeset
|
1110 print >>hyperdb.DEBUG, '+++ commit database connection +++' |
| 1165 | 1111 self.conn.commit() |
| 1112 | |
| 1113 def commit(self): | |
| 1114 ''' Commit the current transactions. | |
| 1115 | |
| 1116 Save all data changed since the database was opened or since the | |
| 1117 last commit() or rollback(). | |
| 1118 ''' | |
| 1119 if __debug__: | |
| 1120 print >>hyperdb.DEBUG, 'commit', (self,) | |
| 1121 | |
| 1122 # commit the database | |
| 1123 self.sql_commit() | |
| 1124 | |
| 1125 # now, do all the other transaction stuff | |
| 1126 for method, args in self.transactions: | |
|
2089
93f03c6714d8
A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents:
2082
diff
changeset
|
1127 method(*args) |
| 1165 | 1128 |
| 1129 # save the indexer state | |
| 1130 self.indexer.save_index() | |
| 1131 | |
| 1132 # clear out the transactions | |
| 1133 self.transactions = [] | |
| 1134 | |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1135 def sql_rollback(self): |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1136 self.conn.rollback() |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1137 |
| 1165 | 1138 def rollback(self): |
| 1139 ''' Reverse all actions from the current transaction. | |
| 1140 | |
| 1141 Undo all the changes made since the database was opened or the last | |
| 1142 commit() or rollback() was performed. | |
| 1143 ''' | |
| 1144 if __debug__: | |
| 1145 print >>hyperdb.DEBUG, 'rollback', (self,) | |
| 1146 | |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1147 self.sql_rollback() |
| 1165 | 1148 |
| 1149 # roll back "other" transaction stuff | |
| 1150 for method, args in self.transactions: | |
| 1151 # delete temporary files | |
| 1152 if method == self.doStoreFile: | |
| 1153 self.rollbackStoreFile(*args) | |
| 1154 self.transactions = [] | |
| 1155 | |
|
1492
2fc7d4a8c9e7
fixed sqlite rollback/caching bug [SF#689383]
Richard Jones <richard@users.sourceforge.net>
parents:
1484
diff
changeset
|
1156 # clear the cache |
|
2fc7d4a8c9e7
fixed sqlite rollback/caching bug [SF#689383]
Richard Jones <richard@users.sourceforge.net>
parents:
1484
diff
changeset
|
1157 self.clearCache() |
|
2fc7d4a8c9e7
fixed sqlite rollback/caching bug [SF#689383]
Richard Jones <richard@users.sourceforge.net>
parents:
1484
diff
changeset
|
1158 |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1159 def sql_close(self): |
|
2075
b1704ba7be41
make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents:
2073
diff
changeset
|
1160 if __debug__: |
|
b1704ba7be41
make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents:
2073
diff
changeset
|
1161 print >>hyperdb.DEBUG, '+++ close database connection +++' |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
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parents:
1906
diff
changeset
|
1162 self.conn.close() |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1163 |
| 1165 | 1164 def close(self): |
| 1165 ''' Close off the connection. | |
| 1166 ''' | |
|
2093
3f6024ab2c7a
That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents:
2089
diff
changeset
|
1167 self.indexer.close() |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1168 self.sql_close() |
| 1165 | 1169 |
| 1170 # | |
| 1171 # The base Class class | |
| 1172 # | |
| 1173 class Class(hyperdb.Class): | |
| 1174 ''' The handle to a particular class of nodes in a hyperdatabase. | |
| 1175 | |
| 1176 All methods except __repr__ and getnode must be implemented by a | |
| 1177 concrete backend Class. | |
| 1178 ''' | |
| 1179 | |
| 1180 def __init__(self, db, classname, **properties): | |
| 1181 '''Create a new class with a given name and property specification. | |
| 1182 | |
| 1183 'classname' must not collide with the name of an existing class, | |
| 1184 or a ValueError is raised. The keyword arguments in 'properties' | |
| 1185 must map names to property objects, or a TypeError is raised. | |
| 1186 ''' | |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1187 for name in 'creation activity creator actor'.split(): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1188 if properties.has_key(name): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1189 raise ValueError, '"creation", "activity", "creator" and '\ |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1190 '"actor" are reserved' |
| 1165 | 1191 |
| 1192 self.classname = classname | |
| 1193 self.properties = properties | |
| 1194 self.db = weakref.proxy(db) # use a weak ref to avoid circularity | |
| 1195 self.key = '' | |
| 1196 | |
| 1197 # should we journal changes (default yes) | |
| 1198 self.do_journal = 1 | |
| 1199 | |
| 1200 # do the db-related init stuff | |
| 1201 db.addclass(self) | |
| 1202 | |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1203 self.auditors = {'create': [], 'set': [], 'retire': [], 'restore': []} |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1204 self.reactors = {'create': [], 'set': [], 'retire': [], 'restore': []} |
| 1165 | 1205 |
| 1206 def schema(self): | |
| 1207 ''' A dumpable version of the schema that we can store in the | |
| 1208 database | |
| 1209 ''' | |
| 1210 return (self.key, [(x, repr(y)) for x,y in self.properties.items()]) | |
| 1211 | |
| 1212 def enableJournalling(self): | |
| 1213 '''Turn journalling on for this class | |
| 1214 ''' | |
| 1215 self.do_journal = 1 | |
| 1216 | |
| 1217 def disableJournalling(self): | |
| 1218 '''Turn journalling off for this class | |
| 1219 ''' | |
| 1220 self.do_journal = 0 | |
| 1221 | |
| 1222 # Editing nodes: | |
| 1223 def create(self, **propvalues): | |
| 1224 ''' Create a new node of this class and return its id. | |
| 1225 | |
| 1226 The keyword arguments in 'propvalues' map property names to values. | |
| 1227 | |
| 1228 The values of arguments must be acceptable for the types of their | |
| 1229 corresponding properties or a TypeError is raised. | |
| 1230 | |
| 1231 If this class has a key property, it must be present and its value | |
| 1232 must not collide with other key strings or a ValueError is raised. | |
| 1233 | |
| 1234 Any other properties on this class that are missing from the | |
| 1235 'propvalues' dictionary are set to None. | |
| 1236 | |
| 1237 If an id in a link or multilink property does not refer to a valid | |
| 1238 node, an IndexError is raised. | |
| 1239 ''' | |
|
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parents:
1417
diff
changeset
|
1240 self.fireAuditors('create', None, propvalues) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1241 newid = self.create_inner(**propvalues) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1242 self.fireReactors('create', newid, None) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1243 return newid |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1244 |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1245 def create_inner(self, **propvalues): |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1246 ''' Called by create, in-between the audit and react calls. |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1247 ''' |
| 1165 | 1248 if propvalues.has_key('id'): |
| 1249 raise KeyError, '"id" is reserved' | |
| 1250 | |
| 1251 if self.db.journaltag is None: | |
| 1252 raise DatabaseError, 'Database open read-only' | |
| 1253 | |
|
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3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1254 if propvalues.has_key('creator') or propvalues.has_key('actor') or \ |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1255 propvalues.has_key('creation') or propvalues.has_key('activity'): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1256 raise KeyError, '"creator", "actor", "creation" and '\ |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1257 '"activity" are reserved' |
| 1165 | 1258 |
| 1259 # new node's id | |
| 1260 newid = self.db.newid(self.classname) | |
| 1261 | |
| 1262 # validate propvalues | |
| 1263 num_re = re.compile('^\d+$') | |
| 1264 for key, value in propvalues.items(): | |
| 1265 if key == self.key: | |
| 1266 try: | |
| 1267 self.lookup(value) | |
| 1268 except KeyError: | |
| 1269 pass | |
| 1270 else: | |
| 1271 raise ValueError, 'node with key "%s" exists'%value | |
| 1272 | |
| 1273 # try to handle this property | |
| 1274 try: | |
| 1275 prop = self.properties[key] | |
| 1276 except KeyError: | |
| 1277 raise KeyError, '"%s" has no property "%s"'%(self.classname, | |
| 1278 key) | |
| 1279 | |
| 1280 if value is not None and isinstance(prop, Link): | |
| 1281 if type(value) != type(''): | |
| 1282 raise ValueError, 'link value must be String' | |
| 1283 link_class = self.properties[key].classname | |
| 1284 # if it isn't a number, it's a key | |
| 1285 if not num_re.match(value): | |
| 1286 try: | |
| 1287 value = self.db.classes[link_class].lookup(value) | |
| 1288 except (TypeError, KeyError): | |
| 1289 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1290 key, value, link_class) | |
| 1291 elif not self.db.getclass(link_class).hasnode(value): | |
| 1292 raise IndexError, '%s has no node %s'%(link_class, value) | |
| 1293 | |
| 1294 # save off the value | |
| 1295 propvalues[key] = value | |
| 1296 | |
| 1297 # register the link with the newly linked node | |
| 1298 if self.do_journal and self.properties[key].do_journal: | |
| 1299 self.db.addjournal(link_class, value, 'link', | |
| 1300 (self.classname, newid, key)) | |
| 1301 | |
| 1302 elif isinstance(prop, Multilink): | |
| 1303 if type(value) != type([]): | |
| 1304 raise TypeError, 'new property "%s" not a list of ids'%key | |
| 1305 | |
| 1306 # clean up and validate the list of links | |
| 1307 link_class = self.properties[key].classname | |
| 1308 l = [] | |
| 1309 for entry in value: | |
| 1310 if type(entry) != type(''): | |
| 1311 raise ValueError, '"%s" multilink value (%r) '\ | |
| 1312 'must contain Strings'%(key, value) | |
| 1313 # if it isn't a number, it's a key | |
| 1314 if not num_re.match(entry): | |
| 1315 try: | |
| 1316 entry = self.db.classes[link_class].lookup(entry) | |
| 1317 except (TypeError, KeyError): | |
| 1318 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1319 key, entry, self.properties[key].classname) | |
| 1320 l.append(entry) | |
| 1321 value = l | |
| 1322 propvalues[key] = value | |
| 1323 | |
| 1324 # handle additions | |
| 1325 for nodeid in value: | |
| 1326 if not self.db.getclass(link_class).hasnode(nodeid): | |
| 1327 raise IndexError, '%s has no node %s'%(link_class, | |
| 1328 nodeid) | |
| 1329 # register the link with the newly linked node | |
| 1330 if self.do_journal and self.properties[key].do_journal: | |
| 1331 self.db.addjournal(link_class, nodeid, 'link', | |
| 1332 (self.classname, newid, key)) | |
| 1333 | |
| 1334 elif isinstance(prop, String): | |
|
1383
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applied unicode patch
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1365
diff
changeset
|
1335 if type(value) != type('') and type(value) != type(u''): |
| 1165 | 1336 raise TypeError, 'new property "%s" not a string'%key |
|
2089
93f03c6714d8
A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents:
2082
diff
changeset
|
1337 self.db.indexer.add_text((self.classname, newid, key), value) |
| 1165 | 1338 |
| 1339 elif isinstance(prop, Password): | |
| 1340 if not isinstance(value, password.Password): | |
| 1341 raise TypeError, 'new property "%s" not a Password'%key | |
| 1342 | |
| 1343 elif isinstance(prop, Date): | |
| 1344 if value is not None and not isinstance(value, date.Date): | |
| 1345 raise TypeError, 'new property "%s" not a Date'%key | |
| 1346 | |
| 1347 elif isinstance(prop, Interval): | |
| 1348 if value is not None and not isinstance(value, date.Interval): | |
| 1349 raise TypeError, 'new property "%s" not an Interval'%key | |
| 1350 | |
| 1351 elif value is not None and isinstance(prop, Number): | |
| 1352 try: | |
| 1353 float(value) | |
| 1354 except ValueError: | |
| 1355 raise TypeError, 'new property "%s" not numeric'%key | |
| 1356 | |
| 1357 elif value is not None and isinstance(prop, Boolean): | |
| 1358 try: | |
| 1359 int(value) | |
| 1360 except ValueError: | |
| 1361 raise TypeError, 'new property "%s" not boolean'%key | |
| 1362 | |
| 1363 # make sure there's data where there needs to be | |
| 1364 for key, prop in self.properties.items(): | |
| 1365 if propvalues.has_key(key): | |
| 1366 continue | |
| 1367 if key == self.key: | |
| 1368 raise ValueError, 'key property "%s" is required'%key | |
| 1369 if isinstance(prop, Multilink): | |
| 1370 propvalues[key] = [] | |
| 1371 else: | |
| 1372 propvalues[key] = None | |
| 1373 | |
| 1374 # done | |
| 1375 self.db.addnode(self.classname, newid, propvalues) | |
| 1376 if self.do_journal: | |
|
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|
1377 self.db.addjournal(self.classname, newid, 'create', {}) |
| 1165 | 1378 |
|
2098
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2093
diff
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|
1379 # XXX numeric ids |
|
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|
1380 return str(newid) |
| 1165 | 1381 |
| 1382 _marker = [] | |
| 1383 def get(self, nodeid, propname, default=_marker, cache=1): | |
| 1384 '''Get the value of a property on an existing node of this class. | |
| 1385 | |
| 1386 'nodeid' must be the id of an existing node of this class or an | |
| 1387 IndexError is raised. 'propname' must be the name of a property | |
| 1388 of this class or a KeyError is raised. | |
| 1389 | |
|
1780
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diff
changeset
|
1390 'cache' exists for backwards compatibility, and is not used. |
| 1165 | 1391 ''' |
| 1392 if propname == 'id': | |
| 1393 return nodeid | |
| 1394 | |
|
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|
1395 # get the node's dict |
|
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|
1396 d = self.db.getnode(self.classname, nodeid) |
|
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|
1397 |
| 1165 | 1398 if propname == 'creation': |
|
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|
1399 if d.has_key('creation'): |
|
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|
1400 return d['creation'] |
| 1165 | 1401 else: |
| 1402 return date.Date() | |
| 1403 if propname == 'activity': | |
|
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|
1404 if d.has_key('activity'): |
|
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|
1405 return d['activity'] |
| 1165 | 1406 else: |
| 1407 return date.Date() | |
| 1408 if propname == 'creator': | |
|
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|
1409 if d.has_key('creator'): |
|
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|
1410 return d['creator'] |
| 1165 | 1411 else: |
|
1800
a3b1b1dcf639
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
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1794
diff
changeset
|
1412 return self.db.getuid() |
|
2077
3e0961d6d44d
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diff
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|
1413 if propname == 'actor': |
|
3e0961d6d44d
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diff
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|
1414 if d.has_key('actor'): |
|
3e0961d6d44d
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|
1415 return d['actor'] |
|
3e0961d6d44d
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diff
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|
1416 else: |
|
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|
1417 return self.db.getuid() |
| 1165 | 1418 |
| 1419 # get the property (raises KeyErorr if invalid) | |
| 1420 prop = self.properties[propname] | |
| 1421 | |
| 1422 if not d.has_key(propname): | |
| 1423 if default is self._marker: | |
| 1424 if isinstance(prop, Multilink): | |
| 1425 return [] | |
| 1426 else: | |
| 1427 return None | |
| 1428 else: | |
| 1429 return default | |
| 1430 | |
| 1431 # don't pass our list to other code | |
| 1432 if isinstance(prop, Multilink): | |
| 1433 return d[propname][:] | |
| 1434 | |
| 1435 return d[propname] | |
| 1436 | |
| 1437 def set(self, nodeid, **propvalues): | |
| 1438 '''Modify a property on an existing node of this class. | |
| 1439 | |
| 1440 'nodeid' must be the id of an existing node of this class or an | |
| 1441 IndexError is raised. | |
| 1442 | |
| 1443 Each key in 'propvalues' must be the name of a property of this | |
| 1444 class or a KeyError is raised. | |
| 1445 | |
| 1446 All values in 'propvalues' must be acceptable types for their | |
| 1447 corresponding properties or a TypeError is raised. | |
| 1448 | |
| 1449 If the value of the key property is set, it must not collide with | |
| 1450 other key strings or a ValueError is raised. | |
| 1451 | |
| 1452 If the value of a Link or Multilink property contains an invalid | |
| 1453 node id, a ValueError is raised. | |
| 1454 ''' | |
|
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|
1455 self.fireAuditors('set', nodeid, propvalues) |
|
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|
1456 oldvalues = copy.deepcopy(self.db.getnode(self.classname, nodeid)) |
|
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|
1457 propvalues = self.set_inner(nodeid, **propvalues) |
|
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|
1458 self.fireReactors('set', nodeid, oldvalues) |
|
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|
1459 return propvalues |
|
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|
1460 |
|
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|
1461 def set_inner(self, nodeid, **propvalues): |
|
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diff
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|
1462 ''' Called by set, in-between the audit and react calls. |
|
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diff
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|
1463 ''' |
| 1165 | 1464 if not propvalues: |
| 1465 return propvalues | |
| 1466 | |
|
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|
1467 if propvalues.has_key('creation') or propvalues.has_key('creator') or \ |
|
3e0961d6d44d
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|
1468 propvalues.has_key('actor') or propvalues.has_key('activity'): |
|
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diff
changeset
|
1469 raise KeyError, '"creation", "creator", "actor" and '\ |
|
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diff
changeset
|
1470 '"activity" are reserved' |
| 1165 | 1471 |
| 1472 if propvalues.has_key('id'): | |
| 1473 raise KeyError, '"id" is reserved' | |
| 1474 | |
| 1475 if self.db.journaltag is None: | |
| 1476 raise DatabaseError, 'Database open read-only' | |
| 1477 | |
| 1478 node = self.db.getnode(self.classname, nodeid) | |
| 1479 if self.is_retired(nodeid): | |
| 1480 raise IndexError, 'Requested item is retired' | |
| 1481 num_re = re.compile('^\d+$') | |
| 1482 | |
| 1483 # if the journal value is to be different, store it in here | |
| 1484 journalvalues = {} | |
| 1485 | |
| 1486 # remember the add/remove stuff for multilinks, making it easier | |
| 1487 # for the Database layer to do its stuff | |
| 1488 multilink_changes = {} | |
| 1489 | |
| 1490 for propname, value in propvalues.items(): | |
| 1491 # check to make sure we're not duplicating an existing key | |
| 1492 if propname == self.key and node[propname] != value: | |
| 1493 try: | |
| 1494 self.lookup(value) | |
| 1495 except KeyError: | |
| 1496 pass | |
| 1497 else: | |
| 1498 raise ValueError, 'node with key "%s" exists'%value | |
| 1499 | |
| 1500 # this will raise the KeyError if the property isn't valid | |
| 1501 # ... we don't use getprops() here because we only care about | |
| 1502 # the writeable properties. | |
|
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1503 try: |
|
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1504 prop = self.properties[propname] |
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|
1505 except KeyError: |
|
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|
1506 raise KeyError, '"%s" has no property named "%s"'%( |
|
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|
1507 self.classname, propname) |
| 1165 | 1508 |
| 1509 # if the value's the same as the existing value, no sense in | |
| 1510 # doing anything | |
|
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|
1511 current = node.get(propname, None) |
|
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diff
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|
1512 if value == current: |
| 1165 | 1513 del propvalues[propname] |
| 1514 continue | |
|
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|
1515 journalvalues[propname] = current |
| 1165 | 1516 |
| 1517 # do stuff based on the prop type | |
| 1518 if isinstance(prop, Link): | |
| 1519 link_class = prop.classname | |
| 1520 # if it isn't a number, it's a key | |
| 1521 if value is not None and not isinstance(value, type('')): | |
| 1522 raise ValueError, 'property "%s" link value be a string'%( | |
| 1523 propname) | |
| 1524 if isinstance(value, type('')) and not num_re.match(value): | |
| 1525 try: | |
| 1526 value = self.db.classes[link_class].lookup(value) | |
| 1527 except (TypeError, KeyError): | |
| 1528 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1529 propname, value, prop.classname) | |
| 1530 | |
| 1531 if (value is not None and | |
| 1532 not self.db.getclass(link_class).hasnode(value)): | |
| 1533 raise IndexError, '%s has no node %s'%(link_class, value) | |
| 1534 | |
| 1535 if self.do_journal and prop.do_journal: | |
| 1536 # register the unlink with the old linked node | |
| 1537 if node[propname] is not None: | |
| 1538 self.db.addjournal(link_class, node[propname], 'unlink', | |
| 1539 (self.classname, nodeid, propname)) | |
| 1540 | |
| 1541 # register the link with the newly linked node | |
| 1542 if value is not None: | |
| 1543 self.db.addjournal(link_class, value, 'link', | |
| 1544 (self.classname, nodeid, propname)) | |
| 1545 | |
| 1546 elif isinstance(prop, Multilink): | |
| 1547 if type(value) != type([]): | |
| 1548 raise TypeError, 'new property "%s" not a list of'\ | |
| 1549 ' ids'%propname | |
| 1550 link_class = self.properties[propname].classname | |
| 1551 l = [] | |
| 1552 for entry in value: | |
| 1553 # if it isn't a number, it's a key | |
| 1554 if type(entry) != type(''): | |
| 1555 raise ValueError, 'new property "%s" link value ' \ | |
| 1556 'must be a string'%propname | |
| 1557 if not num_re.match(entry): | |
| 1558 try: | |
| 1559 entry = self.db.classes[link_class].lookup(entry) | |
| 1560 except (TypeError, KeyError): | |
| 1561 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1562 propname, entry, | |
| 1563 self.properties[propname].classname) | |
| 1564 l.append(entry) | |
| 1565 value = l | |
| 1566 propvalues[propname] = value | |
| 1567 | |
| 1568 # figure the journal entry for this property | |
| 1569 add = [] | |
| 1570 remove = [] | |
| 1571 | |
| 1572 # handle removals | |
| 1573 if node.has_key(propname): | |
| 1574 l = node[propname] | |
| 1575 else: | |
| 1576 l = [] | |
| 1577 for id in l[:]: | |
| 1578 if id in value: | |
| 1579 continue | |
| 1580 # register the unlink with the old linked node | |
| 1581 if self.do_journal and self.properties[propname].do_journal: | |
| 1582 self.db.addjournal(link_class, id, 'unlink', | |
| 1583 (self.classname, nodeid, propname)) | |
| 1584 l.remove(id) | |
| 1585 remove.append(id) | |
| 1586 | |
| 1587 # handle additions | |
| 1588 for id in value: | |
| 1589 if not self.db.getclass(link_class).hasnode(id): | |
| 1590 raise IndexError, '%s has no node %s'%(link_class, id) | |
| 1591 if id in l: | |
| 1592 continue | |
| 1593 # register the link with the newly linked node | |
| 1594 if self.do_journal and self.properties[propname].do_journal: | |
| 1595 self.db.addjournal(link_class, id, 'link', | |
| 1596 (self.classname, nodeid, propname)) | |
| 1597 l.append(id) | |
| 1598 add.append(id) | |
| 1599 | |
| 1600 # figure the journal entry | |
| 1601 l = [] | |
| 1602 if add: | |
| 1603 l.append(('+', add)) | |
| 1604 if remove: | |
| 1605 l.append(('-', remove)) | |
| 1606 multilink_changes[propname] = (add, remove) | |
| 1607 if l: | |
| 1608 journalvalues[propname] = tuple(l) | |
| 1609 | |
| 1610 elif isinstance(prop, String): | |
|
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diff
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|
1611 if value is not None and type(value) != type('') and type(value) != type(u''): |
| 1165 | 1612 raise TypeError, 'new property "%s" not a string'%propname |
|
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|
1613 self.db.indexer.add_text((self.classname, nodeid, propname), |
|
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|
1614 value) |
| 1165 | 1615 |
| 1616 elif isinstance(prop, Password): | |
| 1617 if not isinstance(value, password.Password): | |
| 1618 raise TypeError, 'new property "%s" not a Password'%propname | |
| 1619 propvalues[propname] = value | |
| 1620 | |
| 1621 elif value is not None and isinstance(prop, Date): | |
| 1622 if not isinstance(value, date.Date): | |
| 1623 raise TypeError, 'new property "%s" not a Date'% propname | |
| 1624 propvalues[propname] = value | |
| 1625 | |
| 1626 elif value is not None and isinstance(prop, Interval): | |
| 1627 if not isinstance(value, date.Interval): | |
| 1628 raise TypeError, 'new property "%s" not an '\ | |
| 1629 'Interval'%propname | |
| 1630 propvalues[propname] = value | |
| 1631 | |
| 1632 elif value is not None and isinstance(prop, Number): | |
| 1633 try: | |
| 1634 float(value) | |
| 1635 except ValueError: | |
| 1636 raise TypeError, 'new property "%s" not numeric'%propname | |
| 1637 | |
| 1638 elif value is not None and isinstance(prop, Boolean): | |
| 1639 try: | |
| 1640 int(value) | |
| 1641 except ValueError: | |
| 1642 raise TypeError, 'new property "%s" not boolean'%propname | |
| 1643 | |
| 1644 # nothing to do? | |
| 1645 if not propvalues: | |
| 1646 return propvalues | |
| 1647 | |
| 1648 # do the set, and journal it | |
|
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1649 self.db.setnode(self.classname, nodeid, propvalues, multilink_changes) |
| 1165 | 1650 |
| 1651 if self.do_journal: | |
|
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1652 self.db.addjournal(self.classname, nodeid, 'set', journalvalues) |
| 1165 | 1653 |
| 1654 return propvalues | |
| 1655 | |
| 1656 def retire(self, nodeid): | |
| 1657 '''Retire a node. | |
| 1658 | |
| 1659 The properties on the node remain available from the get() method, | |
| 1660 and the node's id is never reused. | |
| 1661 | |
| 1662 Retired nodes are not returned by the find(), list(), or lookup() | |
| 1663 methods, and other nodes may reuse the values of their key properties. | |
| 1664 ''' | |
| 1665 if self.db.journaltag is None: | |
| 1666 raise DatabaseError, 'Database open read-only' | |
| 1667 | |
|
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1668 self.fireAuditors('retire', nodeid, None) |
|
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1669 |
|
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changeset
|
1670 # use the arg for __retired__ to cope with any odd database type |
|
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|
1671 # conversion (hello, sqlite) |
|
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changeset
|
1672 sql = 'update _%s set __retired__=%s where id=%s'%(self.classname, |
|
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changeset
|
1673 self.db.arg, self.db.arg) |
| 1165 | 1674 if __debug__: |
| 1675 print >>hyperdb.DEBUG, 'retire', (self, sql, nodeid) | |
|
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diff
changeset
|
1676 self.db.cursor.execute(sql, (1, nodeid)) |
|
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diff
changeset
|
1677 if self.do_journal: |
|
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diff
changeset
|
1678 self.db.addjournal(self.classname, nodeid, 'retired', None) |
| 1165 | 1679 |
|
1345
618aa9c37d65
fire auditors and reactors in rdbms retire (thanks Sheila King)
Richard Jones <richard@users.sourceforge.net>
parents:
1333
diff
changeset
|
1680 self.fireReactors('retire', nodeid, None) |
|
618aa9c37d65
fire auditors and reactors in rdbms retire (thanks Sheila King)
Richard Jones <richard@users.sourceforge.net>
parents:
1333
diff
changeset
|
1681 |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1682 def restore(self, nodeid): |
|
1740
5ca448ff8052
don't have RDBMS backends list retired nodes [SF#767319]
Richard Jones <richard@users.sourceforge.net>
parents:
1719
diff
changeset
|
1683 '''Restore a retired node. |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1684 |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1685 Make node available for all operations like it was before retirement. |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1686 ''' |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1687 if self.db.journaltag is None: |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1688 raise DatabaseError, 'Database open read-only' |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1689 |
|
1523
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1690 node = self.db.getnode(self.classname, nodeid) |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1691 # check if key property was overrided |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1692 key = self.getkey() |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1693 try: |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1694 id = self.lookup(node[key]) |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1695 except KeyError: |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1696 pass |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1697 else: |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1698 raise KeyError, "Key property (%s) of retired node clashes with \ |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1699 existing one (%s)" % (key, node[key]) |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1700 |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1701 self.fireAuditors('restore', nodeid, None) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1702 # use the arg for __retired__ to cope with any odd database type |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1703 # conversion (hello, sqlite) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1704 sql = 'update _%s set __retired__=%s where id=%s'%(self.classname, |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1705 self.db.arg, self.db.arg) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1706 if __debug__: |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1707 print >>hyperdb.DEBUG, 'restore', (self, sql, nodeid) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1708 self.db.cursor.execute(sql, (0, nodeid)) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1709 if self.do_journal: |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1710 self.db.addjournal(self.classname, nodeid, 'restored', None) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1711 |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1712 self.fireReactors('restore', nodeid, None) |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1713 |
| 1165 | 1714 def is_retired(self, nodeid): |
| 1715 '''Return true if the node is rerired | |
| 1716 ''' | |
| 1717 sql = 'select __retired__ from _%s where id=%s'%(self.classname, | |
| 1718 self.db.arg) | |
| 1719 if __debug__: | |
| 1720 print >>hyperdb.DEBUG, 'is_retired', (self, sql, nodeid) | |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
1721 self.db.cursor.execute(sql, (nodeid,)) |
|
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
1722 return int(self.db.sql_fetchone()[0]) |
| 1165 | 1723 |
| 1724 def destroy(self, nodeid): | |
| 1725 '''Destroy a node. | |
| 1726 | |
| 1727 WARNING: this method should never be used except in extremely rare | |
| 1728 situations where there could never be links to the node being | |
| 1729 deleted | |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1730 |
| 1165 | 1731 WARNING: use retire() instead |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1732 |
| 1165 | 1733 WARNING: the properties of this node will not be available ever again |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1734 |
| 1165 | 1735 WARNING: really, use retire() instead |
| 1736 | |
| 1737 Well, I think that's enough warnings. This method exists mostly to | |
| 1738 support the session storage of the cgi interface. | |
| 1739 | |
| 1740 The node is completely removed from the hyperdb, including all journal | |
| 1741 entries. It will no longer be available, and will generally break code | |
| 1742 if there are any references to the node. | |
| 1743 ''' | |
| 1744 if self.db.journaltag is None: | |
| 1745 raise DatabaseError, 'Database open read-only' | |
| 1746 self.db.destroynode(self.classname, nodeid) | |
| 1747 | |
| 1748 def history(self, nodeid): | |
| 1749 '''Retrieve the journal of edits on a particular node. | |
| 1750 | |
| 1751 'nodeid' must be the id of an existing node of this class or an | |
| 1752 IndexError is raised. | |
| 1753 | |
| 1754 The returned list contains tuples of the form | |
| 1755 | |
|
1409
8dc60d87ab42
Fixed a backlog of bug reports, and worked on python 2.3 compatibility:
Richard Jones <richard@users.sourceforge.net>
parents:
1383
diff
changeset
|
1756 (nodeid, date, tag, action, params) |
| 1165 | 1757 |
| 1758 'date' is a Timestamp object specifying the time of the change and | |
| 1759 'tag' is the journaltag specified when the database was opened. | |
| 1760 ''' | |
| 1761 if not self.do_journal: | |
| 1762 raise ValueError, 'Journalling is disabled for this class' | |
| 1763 return self.db.getjournal(self.classname, nodeid) | |
| 1764 | |
| 1765 # Locating nodes: | |
| 1766 def hasnode(self, nodeid): | |
| 1767 '''Determine if the given nodeid actually exists | |
| 1768 ''' | |
| 1769 return self.db.hasnode(self.classname, nodeid) | |
| 1770 | |
| 1771 def setkey(self, propname): | |
| 1772 '''Select a String property of this class to be the key property. | |
| 1773 | |
| 1774 'propname' must be the name of a String property of this class or | |
| 1775 None, or a TypeError is raised. The values of the key property on | |
| 1776 all existing nodes must be unique or a ValueError is raised. | |
| 1777 ''' | |
| 1778 prop = self.getprops()[propname] | |
| 1779 if not isinstance(prop, String): | |
| 1780 raise TypeError, 'key properties must be String' | |
| 1781 self.key = propname | |
| 1782 | |
| 1783 def getkey(self): | |
| 1784 '''Return the name of the key property for this class or None.''' | |
| 1785 return self.key | |
| 1786 | |
| 1787 def labelprop(self, default_to_id=0): | |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1788 '''Return the property name for a label for the given node. |
| 1165 | 1789 |
| 1790 This method attempts to generate a consistent label for the node. | |
| 1791 It tries the following in order: | |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1792 |
|
fc52d57c6c3e
documentation cleanup
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parents:
1988
diff
changeset
|
1793 1. key property |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1794 2. "name" property |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1795 3. "title" property |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1796 4. first property from the sorted property name list |
| 1165 | 1797 ''' |
| 1798 k = self.getkey() | |
| 1799 if k: | |
| 1800 return k | |
| 1801 props = self.getprops() | |
| 1802 if props.has_key('name'): | |
| 1803 return 'name' | |
| 1804 elif props.has_key('title'): | |
| 1805 return 'title' | |
| 1806 if default_to_id: | |
| 1807 return 'id' | |
| 1808 props = props.keys() | |
| 1809 props.sort() | |
| 1810 return props[0] | |
| 1811 | |
| 1812 def lookup(self, keyvalue): | |
| 1813 '''Locate a particular node by its key property and return its id. | |
| 1814 | |
| 1815 If this class has no key property, a TypeError is raised. If the | |
| 1816 'keyvalue' matches one of the values for the key property among | |
| 1817 the nodes in this class, the matching node's id is returned; | |
| 1818 otherwise a KeyError is raised. | |
| 1819 ''' | |
| 1820 if not self.key: | |
| 1821 raise TypeError, 'No key property set for class %s'%self.classname | |
| 1822 | |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1823 # use the arg to handle any odd database type conversion (hello, |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1824 # sqlite) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1825 sql = "select id from _%s where _%s=%s and __retired__ <> %s"%( |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1826 self.classname, self.key, self.db.arg, self.db.arg) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1827 self.db.sql(sql, (keyvalue, 1)) |
| 1165 | 1828 |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
1829 # see if there was a result that's not retired |
|
1203
735adcbfc665
fix to SQL lookup() and retirement
Richard Jones <richard@users.sourceforge.net>
parents:
1195
diff
changeset
|
1830 row = self.db.sql_fetchone() |
|
735adcbfc665
fix to SQL lookup() and retirement
Richard Jones <richard@users.sourceforge.net>
parents:
1195
diff
changeset
|
1831 if not row: |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
1832 raise KeyError, 'No key (%s) value "%s" for "%s"'%(self.key, |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
1833 keyvalue, self.classname) |
| 1165 | 1834 |
| 1835 # return the id | |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1836 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1837 return str(row[0]) |
| 1165 | 1838 |
| 1839 def find(self, **propspec): | |
| 1840 '''Get the ids of nodes in this class which link to the given nodes. | |
| 1841 | |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1842 'propspec' consists of keyword args propname=nodeid or |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1843 propname={nodeid:1, } |
| 1165 | 1844 'propname' must be the name of a property in this class, or a |
|
1912
2b0ab61db194
fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents:
1911
diff
changeset
|
1845 KeyError is raised. That property must be a Link or |
|
2b0ab61db194
fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents:
1911
diff
changeset
|
1846 Multilink property, or a TypeError is raised. |
| 1165 | 1847 |
| 1848 Any node in this class whose 'propname' property links to any of the | |
| 1849 nodeids will be returned. Used by the full text indexing, which knows | |
| 1850 that "foo" occurs in msg1, msg3 and file7, so we have hits on these | |
| 1851 issues: | |
| 1852 | |
| 1853 db.issue.find(messages={'1':1,'3':1}, files={'7':1}) | |
| 1854 ''' | |
| 1855 if __debug__: | |
| 1856 print >>hyperdb.DEBUG, 'find', (self, propspec) | |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1857 |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1858 # shortcut |
| 1165 | 1859 if not propspec: |
| 1860 return [] | |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1861 |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1862 # validate the args |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1863 props = self.getprops() |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1864 propspec = propspec.items() |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1865 for propname, nodeids in propspec: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1866 # check the prop is OK |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1867 prop = props[propname] |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1868 if not isinstance(prop, Link) and not isinstance(prop, Multilink): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1869 raise TypeError, "'%s' not a Link/Multilink property"%propname |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1870 |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1871 # first, links |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1872 a = self.db.arg |
|
1986
910b39f8c5b8
use the upload-supplied content-type if there is one
Richard Jones <richard@users.sourceforge.net>
parents:
1951
diff
changeset
|
1873 allvalues = (1,) |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1874 o = [] |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1875 where = [] |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1876 for prop, values in propspec: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1877 if not isinstance(props[prop], hyperdb.Link): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1878 continue |
|
1912
2b0ab61db194
fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents:
1911
diff
changeset
|
1879 if type(values) is type({}) and len(values) == 1: |
|
2b0ab61db194
fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents:
1911
diff
changeset
|
1880 values = values.keys()[0] |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1881 if type(values) is type(''): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1882 allvalues += (values,) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1883 where.append('_%s = %s'%(prop, a)) |
|
1563
e2a8ce4d2317
Class.find() may now find unset Links [SF#700620]
Richard Jones <richard@users.sourceforge.net>
parents:
1557
diff
changeset
|
1884 elif values is None: |
|
e2a8ce4d2317
Class.find() may now find unset Links [SF#700620]
Richard Jones <richard@users.sourceforge.net>
parents:
1557
diff
changeset
|
1885 where.append('_%s is NULL'%prop) |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1886 else: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1887 allvalues += tuple(values.keys()) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1888 where.append('_%s in (%s)'%(prop, ','.join([a]*len(values)))) |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1889 tables = ['_%s'%self.classname] |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1890 if where: |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1891 o.append('(' + ' and '.join(where) + ')') |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1892 |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1893 # now multilinks |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1894 for prop, values in propspec: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1895 if not isinstance(props[prop], hyperdb.Multilink): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1896 continue |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1897 if not values: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1898 continue |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1899 if type(values) is type(''): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1900 allvalues += (values,) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1901 s = a |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1902 else: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1903 allvalues += tuple(values.keys()) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1904 s = ','.join([a]*len(values)) |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1905 tn = '%s_%s'%(self.classname, prop) |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1906 tables.append(tn) |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1907 o.append('(id=%s.nodeid and %s.linkid in (%s))'%(tn, tn, s)) |
|
1986
910b39f8c5b8
use the upload-supplied content-type if there is one
Richard Jones <richard@users.sourceforge.net>
parents:
1951
diff
changeset
|
1908 |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1909 if not o: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1910 return [] |
|
5660b89f8903
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Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1911 elif len(o) > 1: |
|
5660b89f8903
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parents:
1986
diff
changeset
|
1912 o = '(' + ' or '.join(['(%s)'%i for i in o]) + ')' |
|
5660b89f8903
more compliance testing, this time for find()
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parents:
1986
diff
changeset
|
1913 else: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1914 o = o[0] |
|
5660b89f8903
more compliance testing, this time for find()
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parents:
1986
diff
changeset
|
1915 t = ', '.join(tables) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1916 sql = 'select distinct(id) from %s where __retired__ <> %s and %s'%( |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1917 t, a, o) |
|
1183
08a13a84ed43
Some speedups - both of the SQL backends can handle using only one cursor.
Richard Jones <richard@users.sourceforge.net>
parents:
1181
diff
changeset
|
1918 self.db.sql(sql, allvalues) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
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diff
changeset
|
1919 # XXX numeric ids |
|
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Implemented proper datatypes in mysql and postgresql backends...
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diff
changeset
|
1920 l = [str(x[0]) for x in self.db.sql_fetchall()] |
|
1195
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1921 if __debug__: |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1922 print >>hyperdb.DEBUG, 'find ... ', l |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1923 return l |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1924 |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1925 def stringFind(self, **requirements): |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1926 '''Locate a particular node by matching a set of its String |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1927 properties in a caseless search. |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1928 |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1929 If the property is not a String property, a TypeError is raised. |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1930 |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1931 The return is a list of the id of all nodes that match. |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
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diff
changeset
|
1932 ''' |
|
e0032f4ab334
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parents:
1189
diff
changeset
|
1933 where = [] |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
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diff
changeset
|
1934 args = [] |
|
e0032f4ab334
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parents:
1189
diff
changeset
|
1935 for propname in requirements.keys(): |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1936 prop = self.properties[propname] |
|
1951
767ff2a03eee
more unit tests to improve coverage (up from 85% to 88% for anydbm! :)
Richard Jones <richard@users.sourceforge.net>
parents:
1926
diff
changeset
|
1937 if not isinstance(prop, String): |
|
1195
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1938 raise TypeError, "'%s' not a String property"%propname |
|
e0032f4ab334
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parents:
1189
diff
changeset
|
1939 where.append(propname) |
|
e0032f4ab334
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parents:
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diff
changeset
|
1940 args.append(requirements[propname].lower()) |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1941 |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1942 # generate the where clause |
|
1549
a53a7e197360
fixed rdbms email address lookup (case insensitivity)
Richard Jones <richard@users.sourceforge.net>
parents:
1539
diff
changeset
|
1943 s = ' and '.join(['lower(_%s)=%s'%(col, self.db.arg) for col in where]) |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
1944 sql = 'select id from _%s where %s and __retired__<>%s'%( |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
1945 self.classname, s, self.db.arg) |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
1946 args.append(1) |
|
1195
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1947 self.db.sql(sql, tuple(args)) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1948 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
2093
diff
changeset
|
1949 l = [str(x[0]) for x in self.db.sql_fetchall()] |
| 1165 | 1950 if __debug__: |
| 1951 print >>hyperdb.DEBUG, 'find ... ', l | |
| 1952 return l | |
| 1953 | |
| 1954 def list(self): | |
| 1955 ''' Return a list of the ids of the active nodes in this class. | |
| 1956 ''' | |
|
1484
b3f2484babce
fixes to import/export
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parents:
1479
diff
changeset
|
1957 return self.getnodeids(retired=0) |
|
b3f2484babce
fixes to import/export
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parents:
1479
diff
changeset
|
1958 |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1959 def getnodeids(self, retired=None): |
|
b3f2484babce
fixes to import/export
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parents:
1479
diff
changeset
|
1960 ''' Retrieve all the ids of the nodes for a particular Class. |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1961 |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1962 Set retired=None to get all nodes. Otherwise it'll get all the |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1963 retired or non-retired nodes, depending on the flag. |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1964 ''' |
|
1707
3d627e34f18e
sqlite backend now passes all tests under 2.3.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents:
1599
diff
changeset
|
1965 # flip the sense of the 'retired' flag if we don't want all of them |
|
1484
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1966 if retired is not None: |
|
1719
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1967 if retired: |
|
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1968 args = (0, ) |
|
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1969 else: |
|
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1970 args = (1, ) |
|
1539
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1971 sql = 'select id from _%s where __retired__ <> %s'%(self.classname, |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1972 self.db.arg) |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1973 else: |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1974 args = () |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1975 sql = 'select id from _%s'%self.classname |
|
1484
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1976 if __debug__: |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1977 print >>hyperdb.DEBUG, 'getnodeids', (self, sql, retired) |
|
1539
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1978 self.db.cursor.execute(sql, args) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
2093
diff
changeset
|
1979 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
2093
diff
changeset
|
1980 ids = [str(x[0]) for x in self.db.cursor.fetchall()] |
|
1539
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1981 return ids |
| 1165 | 1982 |
|
1249
6c24a86a12ae
Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents:
1244
diff
changeset
|
1983 def filter(self, search_matches, filterspec, sort=(None,None), |
|
6c24a86a12ae
Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents:
1244
diff
changeset
|
1984 group=(None,None)): |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1985 '''Return a list of the ids of the active nodes in this class that |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1986 match the 'filter' spec, sorted by the group spec and then the |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1987 sort spec |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1988 |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1989 "filterspec" is {propname: value(s)} |
| 1165 | 1990 |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1991 "sort" and "group" are (dir, prop) where dir is '+', '-' or None |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1992 and prop is a prop name or None |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
1993 |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1994 "search_matches" is {nodeid: marker} |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1995 |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1996 The filter must match all properties specificed - but if the |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1997 property value to match is a list, any one of the values in the |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1998 list may match for that property to match. |
| 1165 | 1999 ''' |
|
1205
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
2000 # just don't bother if the full-text search matched diddly |
|
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
2001 if search_matches == {}: |
|
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
2002 return [] |
|
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
2003 |
|
2237
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2004 if __debug__: |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2005 start_t = time.time() |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2006 |
| 1165 | 2007 cn = self.classname |
| 2008 | |
|
1499
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2009 timezone = self.db.getUserTimezone() |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2010 |
| 1165 | 2011 # figure the WHERE clause from the filterspec |
| 2012 props = self.getprops() | |
| 2013 frum = ['_'+cn] | |
| 2014 where = [] | |
| 2015 args = [] | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2016 a = self.db.arg |
|
2256
0b198ed096af
fixes for py2.1 (booleans, sigh)
Richard Jones <richard@users.sourceforge.net>
parents:
2248
diff
changeset
|
2017 mlfilt = 0 # are we joining with Multilink tables? |
| 1165 | 2018 for k, v in filterspec.items(): |
| 2019 propclass = props[k] | |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2020 # now do other where clause stuff |
| 1165 | 2021 if isinstance(propclass, Multilink): |
|
2256
0b198ed096af
fixes for py2.1 (booleans, sigh)
Richard Jones <richard@users.sourceforge.net>
parents:
2248
diff
changeset
|
2022 mlfilt = 1 |
| 1165 | 2023 tn = '%s_%s'%(cn, k) |
|
1556
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2024 if v in ('-1', ['-1']): |
|
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2025 # only match rows that have count(linkid)=0 in the |
|
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2026 # corresponding multilink table) |
|
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2027 where.append('id not in (select nodeid from %s)'%tn) |
|
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2028 elif isinstance(v, type([])): |
|
1555
948c7764d46c
implemented ability to search for multilink properties with no value (not in mk)
Richard Jones <richard@users.sourceforge.net>
parents:
1549
diff
changeset
|
2029 frum.append(tn) |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
2030 s = ','.join([a for x in v]) |
| 1165 | 2031 where.append('id=%s.nodeid and %s.linkid in (%s)'%(tn,tn,s)) |
| 2032 args = args + v | |
| 2033 else: | |
|
1555
948c7764d46c
implemented ability to search for multilink properties with no value (not in mk)
Richard Jones <richard@users.sourceforge.net>
parents:
1549
diff
changeset
|
2034 frum.append(tn) |
|
948c7764d46c
implemented ability to search for multilink properties with no value (not in mk)
Richard Jones <richard@users.sourceforge.net>
parents:
1549
diff
changeset
|
2035 where.append('id=%s.nodeid and %s.linkid=%s'%(tn, tn, a)) |
| 1165 | 2036 args.append(v) |
|
1365
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2037 elif k == 'id': |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2038 if isinstance(v, type([])): |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2039 s = ','.join([a for x in v]) |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2040 where.append('%s in (%s)'%(k, s)) |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2041 args = args + v |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2042 else: |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2043 where.append('%s=%s'%(k, a)) |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2044 args.append(v) |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2045 elif isinstance(propclass, String): |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2046 if not isinstance(v, type([])): |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2047 v = [v] |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2048 |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2049 # Quote the bits in the string that need it and then embed |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2050 # in a "substring" search. Note - need to quote the '%' so |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2051 # they make it through the python layer happily |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2052 v = ['%%'+self.db.sql_stringquote(s)+'%%' for s in v] |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2053 |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2054 # now add to the where clause |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2055 where.append(' or '.join(["_%s LIKE '%s'"%(k, s) for s in v])) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2056 # note: args are embedded in the query string now |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2057 elif isinstance(propclass, Link): |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2058 if isinstance(v, type([])): |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2059 if '-1' in v: |
|
1578
ba13c04814f0
don't modify filterspec passed in (bad Richard)
Richard Jones <richard@users.sourceforge.net>
parents:
1563
diff
changeset
|
2060 v = v[:] |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2061 v.remove('-1') |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2062 xtra = ' or _%s is NULL'%k |
|
1173
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
1172
diff
changeset
|
2063 else: |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
1172
diff
changeset
|
2064 xtra = '' |
|
1295
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2065 if v: |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2066 s = ','.join([a for x in v]) |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2067 where.append('(_%s in (%s)%s)'%(k, s, xtra)) |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2068 args = args + v |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2069 else: |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2070 where.append('_%s is NULL'%k) |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2071 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2072 if v == '-1': |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2073 v = None |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2074 where.append('_%s is NULL'%k) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2075 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2076 where.append('_%s=%s'%(k, a)) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2077 args.append(v) |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2078 elif isinstance(propclass, Date): |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2079 dc = self.db.hyperdb_to_sql_value[hyperdb.Date] |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2080 if isinstance(v, type([])): |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2081 s = ','.join([a for x in v]) |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2082 where.append('_%s in (%s)'%(k, s)) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2083 args = args + [dc(date.Date(v)) for x in v] |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2084 else: |
|
1499
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2085 try: |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2086 # Try to filter on range of dates |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2087 date_rng = Range(v, date.Date, offset=timezone) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2088 if date_rng.from_value: |
|
1599
cc96bf971b33
extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1596
diff
changeset
|
2089 where.append('_%s >= %s'%(k, a)) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2090 args.append(dc(date_rng.from_value)) |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2091 if date_rng.to_value: |
|
1599
cc96bf971b33
extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1596
diff
changeset
|
2092 where.append('_%s <= %s'%(k, a)) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2093 args.append(dc(date_rng.to_value)) |
|
1499
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2094 except ValueError: |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2095 # If range creation fails - ignore that search parameter |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2096 pass |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2097 elif isinstance(propclass, Interval): |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2098 # filter using the __<prop>_int__ column |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2099 if isinstance(v, type([])): |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2100 s = ','.join([a for x in v]) |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2101 where.append('__%s_int__ in (%s)'%(k, s)) |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2102 args = args + [date.Interval(x).as_seconds() for x in v] |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2103 else: |
|
1596
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2104 try: |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2105 # Try to filter on range of intervals |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2106 date_rng = Range(v, date.Interval) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2107 if date_rng.from_value: |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2108 where.append('__%s_int__ >= %s'%(k, a)) |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2109 args.append(date_rng.from_value.as_seconds()) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2110 if date_rng.to_value: |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2111 where.append('__%s_int__ <= %s'%(k, a)) |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2112 args.append(date_rng.to_value.as_seconds()) |
|
1596
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2113 except ValueError: |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2114 # If range creation fails - ignore that search parameter |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2115 pass |
| 1165 | 2116 else: |
| 2117 if isinstance(v, type([])): | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2118 s = ','.join([a for x in v]) |
| 1165 | 2119 where.append('_%s in (%s)'%(k, s)) |
| 2120 args = args + v | |
| 2121 else: | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2122 where.append('_%s=%s'%(k, a)) |
| 1165 | 2123 args.append(v) |
| 2124 | |
|
1740
5ca448ff8052
don't have RDBMS backends list retired nodes [SF#767319]
Richard Jones <richard@users.sourceforge.net>
parents:
1719
diff
changeset
|
2125 # don't match retired nodes |
|
5ca448ff8052
don't have RDBMS backends list retired nodes [SF#767319]
Richard Jones <richard@users.sourceforge.net>
parents:
1719
diff
changeset
|
2126 where.append('__retired__ <> 1') |
|
5ca448ff8052
don't have RDBMS backends list retired nodes [SF#767319]
Richard Jones <richard@users.sourceforge.net>
parents:
1719
diff
changeset
|
2127 |
| 1165 | 2128 # add results of full text search |
| 2129 if search_matches is not None: | |
| 2130 v = search_matches.keys() | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2131 s = ','.join([a for x in v]) |
| 1165 | 2132 where.append('id in (%s)'%s) |
| 2133 args = args + v | |
| 2134 | |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2135 # "grouping" is just the first-order sorting in the SQL fetch |
| 1165 | 2136 orderby = [] |
| 2137 ordercols = [] | |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2138 mlsort = [] |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2139 for sortby in group, sort: |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2140 sdir, prop = sortby |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2141 if sdir and prop: |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2142 if isinstance(props[prop], Multilink): |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2143 mlsort.append(sortby) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2144 continue |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2145 elif isinstance(props[prop], Interval): |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2146 # use the int column for sorting |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2147 o = '__'+prop+'_int__' |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2148 ordercols.append(o) |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2149 elif prop == 'id': |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2150 o = 'id' |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2151 else: |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2152 o = '_'+prop |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2153 ordercols.append(o) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2154 if sdir == '-': |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2155 o += ' desc' |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2156 orderby.append(o) |
| 1165 | 2157 |
| 2158 # construct the SQL | |
| 2159 frum = ','.join(frum) | |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2160 if where: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2161 where = ' where ' + (' and '.join(where)) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2162 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2163 where = '' |
|
2240
ad4b717e12b9
Small optimisation to only use "select distinct(id) ..."...
Richard Jones <richard@users.sourceforge.net>
parents:
2237
diff
changeset
|
2164 if mlfilt: |
|
ad4b717e12b9
Small optimisation to only use "select distinct(id) ..."...
Richard Jones <richard@users.sourceforge.net>
parents:
2237
diff
changeset
|
2165 # we're joining tables on the id, so we will get dupes if we |
|
ad4b717e12b9
Small optimisation to only use "select distinct(id) ..."...
Richard Jones <richard@users.sourceforge.net>
parents:
2237
diff
changeset
|
2166 # don't distinct() |
|
ad4b717e12b9
Small optimisation to only use "select distinct(id) ..."...
Richard Jones <richard@users.sourceforge.net>
parents:
2237
diff
changeset
|
2167 cols = ['distinct(id)'] |
|
ad4b717e12b9
Small optimisation to only use "select distinct(id) ..."...
Richard Jones <richard@users.sourceforge.net>
parents:
2237
diff
changeset
|
2168 else: |
|
ad4b717e12b9
Small optimisation to only use "select distinct(id) ..."...
Richard Jones <richard@users.sourceforge.net>
parents:
2237
diff
changeset
|
2169 cols = ['id'] |
| 1165 | 2170 if orderby: |
| 2171 cols = cols + ordercols | |
| 2172 order = ' order by %s'%(','.join(orderby)) | |
| 2173 else: | |
| 2174 order = '' | |
| 2175 cols = ','.join(cols) | |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2176 sql = 'select %s from %s %s%s'%(cols, frum, where, order) |
| 1165 | 2177 args = tuple(args) |
| 2178 if __debug__: | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2179 print >>hyperdb.DEBUG, 'filter', (self, sql, args) |
|
1906
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2180 if args: |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2181 self.db.cursor.execute(sql, args) |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2182 else: |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2183 # psycopg doesn't like empty args |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2184 self.db.cursor.execute(sql) |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
2185 l = self.db.sql_fetchall() |
| 1165 | 2186 |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2187 # return the IDs (the first column) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2188 # XXX numeric ids |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2189 l = [str(row[0]) for row in l] |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2190 |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2191 if not mlsort: |
|
2237
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2192 if __debug__: |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2193 self.db.stats['filtering'] += (time.time() - start_t) |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2194 return l |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2195 |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2196 # ergh. someone wants to sort by a multilink. |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2197 r = [] |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2198 for id in l: |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2199 m = [] |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2200 for ml in mlsort: |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2201 m.append(self.get(id, ml[1])) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2202 r.append((id, m)) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2203 i = 0 |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2204 for sortby in mlsort: |
|
2234
70d21059aa18
fix nested scope bug in multilink sorting in rdbms filtering
Richard Jones <richard@users.sourceforge.net>
parents:
2228
diff
changeset
|
2205 def sortfun(a, b, dir=sortby[i], i=i): |
|
2185
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2206 if dir == '-': |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2207 return cmp(b[1][i], a[1][i]) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2208 else: |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2209 return cmp(a[1][i], b[1][i]) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2210 r.sort(sortfun) |
|
c52a931879c4
sort/group by multilink in RDBMS
Richard Jones <richard@users.sourceforge.net>
parents:
2175
diff
changeset
|
2211 i += 1 |
|
2237
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2212 r = [i[0] for i in r] |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2213 |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2214 if __debug__: |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2215 self.db.stats['filtering'] += (time.time() - start_t) |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2216 |
|
f624fc20f8fe
added capturing of stats
Richard Jones <richard@users.sourceforge.net>
parents:
2234
diff
changeset
|
2217 return r |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2218 |
| 1165 | 2219 def count(self): |
| 2220 '''Get the number of nodes in this class. | |
| 2221 | |
| 2222 If the returned integer is 'numnodes', the ids of all the nodes | |
| 2223 in this class run from 1 to numnodes, and numnodes+1 will be the | |
| 2224 id of the next node to be created in this class. | |
| 2225 ''' | |
| 2226 return self.db.countnodes(self.classname) | |
| 2227 | |
| 2228 # Manipulating properties: | |
| 2229 def getprops(self, protected=1): | |
| 2230 '''Return a dictionary mapping property names to property objects. | |
| 2231 If the "protected" flag is true, we include protected properties - | |
| 2232 those which may not be modified. | |
| 2233 ''' | |
| 2234 d = self.properties.copy() | |
| 2235 if protected: | |
| 2236 d['id'] = String() | |
| 2237 d['creation'] = hyperdb.Date() | |
| 2238 d['activity'] = hyperdb.Date() | |
|
1176
bd3b57859c37
On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents:
1175
diff
changeset
|
2239 d['creator'] = hyperdb.Link('user') |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
2240 d['actor'] = hyperdb.Link('user') |
| 1165 | 2241 return d |
| 2242 | |
| 2243 def addprop(self, **properties): | |
| 2244 '''Add properties to this class. | |
| 2245 | |
| 2246 The keyword arguments in 'properties' must map names to property | |
| 2247 objects, or a TypeError is raised. None of the keys in 'properties' | |
| 2248 may collide with the names of existing properties, or a ValueError | |
| 2249 is raised before any properties have been added. | |
| 2250 ''' | |
| 2251 for key in properties.keys(): | |
| 2252 if self.properties.has_key(key): | |
| 2253 raise ValueError, key | |
| 2254 self.properties.update(properties) | |
| 2255 | |
| 2256 def index(self, nodeid): | |
| 2257 '''Add (or refresh) the node to search indexes | |
| 2258 ''' | |
| 2259 # find all the String properties that have indexme | |
| 2260 for prop, propclass in self.getprops().items(): | |
| 2261 if isinstance(propclass, String) and propclass.indexme: | |
|
2089
93f03c6714d8
A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents:
2082
diff
changeset
|
2262 self.db.indexer.add_text((self.classname, nodeid, prop), |
|
93f03c6714d8
A few big changes in this commit:
Richard Jones <richard@users.sourceforge.net>
parents:
2082
diff
changeset
|
2263 str(self.get(nodeid, prop))) |
| 1165 | 2264 |
| 2265 | |
| 2266 # | |
| 2267 # Detector interface | |
| 2268 # | |
| 2269 def audit(self, event, detector): | |
| 2270 '''Register a detector | |
| 2271 ''' | |
| 2272 l = self.auditors[event] | |
| 2273 if detector not in l: | |
| 2274 self.auditors[event].append(detector) | |
| 2275 | |
| 2276 def fireAuditors(self, action, nodeid, newvalues): | |
| 2277 '''Fire all registered auditors. | |
| 2278 ''' | |
| 2279 for audit in self.auditors[action]: | |
| 2280 audit(self.db, self, nodeid, newvalues) | |
| 2281 | |
| 2282 def react(self, event, detector): | |
| 2283 '''Register a detector | |
| 2284 ''' | |
| 2285 l = self.reactors[event] | |
| 2286 if detector not in l: | |
| 2287 self.reactors[event].append(detector) | |
| 2288 | |
| 2289 def fireReactors(self, action, nodeid, oldvalues): | |
| 2290 '''Fire all registered reactors. | |
| 2291 ''' | |
| 2292 for react in self.reactors[action]: | |
| 2293 react(self.db, self, nodeid, oldvalues) | |
| 2294 | |
|
2175
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2295 # |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2296 # import / export support |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2297 # |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2298 def export_list(self, propnames, nodeid): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2299 ''' Export a node - generate a list of CSV-able data in the order |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2300 specified by propnames for the given node. |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2301 ''' |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2302 properties = self.getprops() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2303 l = [] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2304 for prop in propnames: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2305 proptype = properties[prop] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2306 value = self.get(nodeid, prop) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2307 # "marshal" data where needed |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2308 if value is None: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2309 pass |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2310 elif isinstance(proptype, hyperdb.Date): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2311 value = value.get_tuple() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2312 elif isinstance(proptype, hyperdb.Interval): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2313 value = value.get_tuple() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2314 elif isinstance(proptype, hyperdb.Password): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2315 value = str(value) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2316 l.append(repr(value)) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2317 l.append(repr(self.is_retired(nodeid))) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2318 return l |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2319 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2320 def import_list(self, propnames, proplist): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2321 ''' Import a node - all information including "id" is present and |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2322 should not be sanity checked. Triggers are not triggered. The |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2323 journal should be initialised using the "creator" and "created" |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2324 information. |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2325 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2326 Return the nodeid of the node imported. |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2327 ''' |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2328 if self.db.journaltag is None: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2329 raise DatabaseError, 'Database open read-only' |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2330 properties = self.getprops() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2331 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2332 # make the new node's property map |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2333 d = {} |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2334 retire = 0 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2335 newid = None |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2336 for i in range(len(propnames)): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2337 # Use eval to reverse the repr() used to output the CSV |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2338 value = eval(proplist[i]) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2339 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2340 # Figure the property for this column |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2341 propname = propnames[i] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2342 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2343 # "unmarshal" where necessary |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2344 if propname == 'id': |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2345 newid = value |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2346 continue |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2347 elif propname == 'is retired': |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2348 # is the item retired? |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2349 if int(value): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2350 retire = 1 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2351 continue |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2352 elif value is None: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2353 d[propname] = None |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2354 continue |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2355 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2356 prop = properties[propname] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2357 if value is None: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2358 # don't set Nones |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2359 continue |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2360 elif isinstance(prop, hyperdb.Date): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2361 value = date.Date(value) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2362 elif isinstance(prop, hyperdb.Interval): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2363 value = date.Interval(value) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2364 elif isinstance(prop, hyperdb.Password): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2365 pwd = password.Password() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2366 pwd.unpack(value) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2367 value = pwd |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2368 d[propname] = value |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2369 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2370 # get a new id if necessary |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2371 if newid is None: |
|
2175
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2372 newid = self.db.newid(self.classname) |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2373 |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2374 # insert new node or update existing? |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2375 if not self.hasnode(newid): |
|
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2376 self.db.addnode(self.classname, newid, d) # insert |
|
2175
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2377 else: |
|
2217
98d3bf8ffb19
store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents:
2196
diff
changeset
|
2378 self.db.setnode(self.classname, newid, d) # update |
|
2175
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2379 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2380 # retire? |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2381 if retire: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2382 # use the arg for __retired__ to cope with any odd database type |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2383 # conversion (hello, sqlite) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2384 sql = 'update _%s set __retired__=%s where id=%s'%(self.classname, |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2385 self.db.arg, self.db.arg) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2386 if __debug__: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2387 print >>hyperdb.DEBUG, 'retire', (self, sql, newid) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2388 self.db.cursor.execute(sql, (1, newid)) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2389 return newid |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2390 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2391 def export_journals(self): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2392 '''Export a class's journal - generate a list of lists of |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2393 CSV-able data: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2394 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2395 nodeid, date, user, action, params |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2396 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2397 No heading here - the columns are fixed. |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2398 ''' |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2399 properties = self.getprops() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2400 r = [] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2401 for nodeid in self.getnodeids(): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2402 for nodeid, date, user, action, params in self.history(nodeid): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2403 date = date.get_tuple() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2404 if action == 'set': |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2405 for propname, value in params.items(): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2406 prop = properties[propname] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2407 # make sure the params are eval()'able |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2408 if value is None: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2409 pass |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2410 elif isinstance(prop, Date): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2411 value = value.get_tuple() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2412 elif isinstance(prop, Interval): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2413 value = value.get_tuple() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2414 elif isinstance(prop, Password): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2415 value = str(value) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2416 params[propname] = value |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2417 l = [nodeid, date, user, action, params] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2418 r.append(map(repr, l)) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2419 return r |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2420 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2421 def import_journals(self, entries): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2422 '''Import a class's journal. |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2423 |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2424 Uses setjournal() to set the journal for each item.''' |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2425 properties = self.getprops() |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2426 d = {} |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2427 for l in entries: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2428 l = map(eval, l) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2429 nodeid, jdate, user, action, params = l |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2430 r = d.setdefault(nodeid, []) |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2431 if action == 'set': |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2432 for propname, value in params.items(): |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2433 prop = properties[propname] |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
2166
diff
changeset
|
2434 if value is None: |
|
723098a10677
Export and import now include journals (incompatible with export < 0.7)
Richard Jones <richard@users.sourceforge.net>
parents:
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|
2435 pass |
|
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2436 elif isinstance(prop, Date): |
|
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2437 value = date.Date(value) |
|
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2438 elif isinstance(prop, Interval): |
|
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2439 value = date.Interval(value) |
|
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2440 elif isinstance(prop, Password): |
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|
2441 pwd = password.Password() |
|
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2442 pwd.unpack(value) |
|
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2443 value = pwd |
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2444 params[propname] = value |
|
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2445 r.append((nodeid, date.Date(jdate), user, action, params)) |
|
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2446 |
|
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2447 for nodeid, l in d.items(): |
|
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2448 self.db.setjournal(self.classname, nodeid, l) |
|
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2449 |
|
1442
b42fa71754c9
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|
2450 class FileClass(Class, hyperdb.FileClass): |
| 1165 | 2451 '''This class defines a large chunk of data. To support this, it has a |
| 2452 mandatory String property "content" which is typically saved off | |
| 2453 externally to the hyperdb. | |
| 2454 | |
| 2455 The default MIME type of this data is defined by the | |
| 2456 "default_mime_type" class attribute, which may be overridden by each | |
| 2457 node if the class defines a "type" String property. | |
| 2458 ''' | |
| 2459 default_mime_type = 'text/plain' | |
| 2460 | |
| 2461 def create(self, **propvalues): | |
| 2462 ''' snaffle the file propvalue and store in a file | |
| 2463 ''' | |
|
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2464 # we need to fire the auditors now, or the content property won't |
|
c70068162e64
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2465 # be in propvalues for the auditors to play with |
|
c70068162e64
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|
2466 self.fireAuditors('create', None, propvalues) |
|
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2467 |
|
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2468 # now remove the content property so it's not stored in the db |
| 1165 | 2469 content = propvalues['content'] |
| 2470 del propvalues['content'] | |
|
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|
2471 |
|
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2472 # do the database create |
|
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2473 newid = self.create_inner(**propvalues) |
|
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2474 |
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2475 # figure the mime type |
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2476 mime_type = propvalues.get('type', self.default_mime_type) |
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2477 |
|
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2478 # and index! |
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2479 self.db.indexer.add_text((self.classname, newid, 'content'), content, |
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2480 mime_type) |
|
1431
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2481 |
|
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2482 # fire reactors |
|
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2483 self.fireReactors('create', newid, None) |
|
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2484 |
|
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|
2485 # store off the content as a file |
| 1165 | 2486 self.db.storefile(self.classname, newid, None, content) |
| 2487 return newid | |
| 2488 | |
| 2489 def import_list(self, propnames, proplist): | |
| 2490 ''' Trap the "content" property... | |
| 2491 ''' | |
| 2492 # dupe this list so we don't affect others | |
| 2493 propnames = propnames[:] | |
| 2494 | |
| 2495 # extract the "content" property from the proplist | |
| 2496 i = propnames.index('content') | |
| 2497 content = eval(proplist[i]) | |
| 2498 del propnames[i] | |
| 2499 del proplist[i] | |
| 2500 | |
| 2501 # do the normal import | |
| 2502 newid = Class.import_list(self, propnames, proplist) | |
| 2503 | |
| 2504 # save off the "content" file | |
| 2505 self.db.storefile(self.classname, newid, None, content) | |
| 2506 return newid | |
| 2507 | |
| 2508 _marker = [] | |
| 2509 def get(self, nodeid, propname, default=_marker, cache=1): | |
|
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2510 ''' Trap the content propname and get it from the file |
|
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2511 |
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2512 'cache' exists for backwards compatibility, and is not used. |
| 1165 | 2513 ''' |
| 2514 poss_msg = 'Possibly a access right configuration problem.' | |
| 2515 if propname == 'content': | |
| 2516 try: | |
| 2517 return self.db.getfile(self.classname, nodeid, None) | |
| 2518 except IOError, (strerror): | |
| 2519 # BUG: by catching this we donot see an error in the log. | |
| 2520 return 'ERROR reading file: %s%s\n%s\n%s'%( | |
| 2521 self.classname, nodeid, poss_msg, strerror) | |
| 2522 if default is not self._marker: | |
|
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2523 return Class.get(self, nodeid, propname, default) |
| 1165 | 2524 else: |
|
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2525 return Class.get(self, nodeid, propname) |
| 1165 | 2526 |
| 2527 def getprops(self, protected=1): | |
| 2528 ''' In addition to the actual properties on the node, these methods | |
| 2529 provide the "content" property. If the "protected" flag is true, | |
| 2530 we include protected properties - those which may not be | |
| 2531 modified. | |
| 2532 ''' | |
| 2533 d = Class.getprops(self, protected=protected).copy() | |
| 2534 d['content'] = hyperdb.String() | |
| 2535 return d | |
| 2536 | |
|
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2537 def set(self, itemid, **propvalues): |
|
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2538 ''' Snarf the "content" propvalue and update it in a file |
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2539 ''' |
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2540 self.fireAuditors('set', itemid, propvalues) |
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2541 oldvalues = copy.deepcopy(self.db.getnode(self.classname, itemid)) |
| 1165 | 2542 |
|
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2543 # now remove the content property so it's not stored in the db |
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2544 content = None |
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2545 if propvalues.has_key('content'): |
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2546 content = propvalues['content'] |
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2547 del propvalues['content'] |
| 1165 | 2548 |
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2549 # do the database create |
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2550 propvalues = self.set_inner(itemid, **propvalues) |
| 1165 | 2551 |
|
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2552 # do content? |
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2553 if content: |
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2554 # store and index |
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2555 self.db.storefile(self.classname, itemid, None, content) |
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2556 mime_type = propvalues.get('type', self.get(itemid, 'type')) |
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2557 if not mime_type: |
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2558 mime_type = self.default_mime_type |
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2559 self.db.indexer.add_text((self.classname, itemid, 'content'), |
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2560 content, mime_type) |
| 1165 | 2561 |
|
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2562 # fire reactors |
|
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2563 self.fireReactors('set', itemid, oldvalues) |
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2564 return propvalues |
| 1165 | 2565 |
| 2566 # XXX deviation from spec - was called ItemClass | |
| 2567 class IssueClass(Class, roundupdb.IssueClass): | |
| 2568 # Overridden methods: | |
| 2569 def __init__(self, db, classname, **properties): | |
| 2570 '''The newly-created class automatically includes the "messages", | |
| 2571 "files", "nosy", and "superseder" properties. If the 'properties' | |
| 2572 dictionary attempts to specify any of these properties or a | |
|
2077
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2573 "creation", "creator", "activity" or "actor" property, a ValueError |
|
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2574 is raised. |
| 1165 | 2575 ''' |
| 2576 if not properties.has_key('title'): | |
| 2577 properties['title'] = hyperdb.String(indexme='yes') | |
| 2578 if not properties.has_key('messages'): | |
| 2579 properties['messages'] = hyperdb.Multilink("msg") | |
| 2580 if not properties.has_key('files'): | |
| 2581 properties['files'] = hyperdb.Multilink("file") | |
| 2582 if not properties.has_key('nosy'): | |
| 2583 # note: journalling is turned off as it really just wastes | |
| 2584 # space. this behaviour may be overridden in an instance | |
| 2585 properties['nosy'] = hyperdb.Multilink("user", do_journal="no") | |
| 2586 if not properties.has_key('superseder'): | |
| 2587 properties['superseder'] = hyperdb.Multilink(classname) | |
| 2588 Class.__init__(self, db, classname, **properties) | |
| 2589 |