Mercurial > p > roundup > code
annotate roundup/backends/rdbms_common.py @ 2133:f01befe8a7fe
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| author | Richard Jones <richard@users.sourceforge.net> |
|---|---|
| date | Fri, 26 Mar 2004 01:19:25 +0000 |
| parents | 666402433998 |
| children | cd42c3c7173a |
| rev | line source |
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1 # $Id: rdbms_common.py,v 1.86 2004-03-24 04:57:25 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 |
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80 # database lock |
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81 self.lockfile = None |
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82 |
| 1165 | 83 # open a connection to the database, creating the "conn" attribute |
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84 self.open_connection() |
| 1165 | 85 |
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86 def clearCache(self): |
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87 self.cache = {} |
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88 self.cache_lru = [] |
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89 |
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90 def getSessionManager(self): |
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91 return Sessions(self) |
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92 |
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93 def getOTKManager(self): |
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94 return OneTimeKeys(self) |
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95 |
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96 def open_connection(self): |
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97 ''' Open a connection to the database, creating it if necessary. |
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98 |
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99 Must call self.load_dbschema() |
| 1165 | 100 ''' |
| 101 raise NotImplemented | |
| 102 | |
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103 def sql(self, sql, args=None): |
| 1165 | 104 ''' Execute the sql with the optional args. |
| 105 ''' | |
| 106 if __debug__: | |
| 107 print >>hyperdb.DEBUG, (self, sql, args) | |
| 108 if args: | |
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109 self.cursor.execute(sql, args) |
| 1165 | 110 else: |
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111 self.cursor.execute(sql) |
| 1165 | 112 |
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113 def sql_fetchone(self): |
| 1165 | 114 ''' Fetch a single row. If there's nothing to fetch, return None. |
| 115 ''' | |
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116 return self.cursor.fetchone() |
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117 |
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118 def sql_fetchall(self): |
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119 ''' Fetch all rows. If there's nothing to fetch, return []. |
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120 ''' |
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121 return self.cursor.fetchall() |
| 1165 | 122 |
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123 def sql_stringquote(self, value): |
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124 ''' Quote the string so it's safe to put in the 'sql quotes' |
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125 ''' |
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126 return re.sub("'", "''", str(value)) |
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127 |
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128 def init_dbschema(self): |
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129 self.database_schema = { |
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130 'version': self.current_db_version, |
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131 'tables': {} |
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132 } |
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133 |
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134 def load_dbschema(self): |
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135 ''' Load the schema definition that the database currently implements |
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136 ''' |
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137 self.cursor.execute('select schema from schema') |
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138 schema = self.cursor.fetchone() |
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139 if schema: |
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140 self.database_schema = eval(schema[0]) |
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141 else: |
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142 self.database_schema = {} |
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143 |
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144 def save_dbschema(self, schema): |
| 1165 | 145 ''' Save the schema definition that the database currently implements |
| 146 ''' | |
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147 s = repr(self.database_schema) |
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148 self.sql('insert into schema values (%s)', (s,)) |
| 1165 | 149 |
| 150 def post_init(self): | |
| 151 ''' Called once the schema initialisation has finished. | |
| 152 | |
| 153 We should now confirm that the schema defined by our "classes" | |
| 154 attribute actually matches the schema in the database. | |
| 155 ''' | |
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156 save = self.upgrade_db() |
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157 |
| 1165 | 158 # now detect changes in the schema |
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159 tables = self.database_schema['tables'] |
| 1165 | 160 for classname, spec in self.classes.items(): |
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161 if tables.has_key(classname): |
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162 dbspec = tables[classname] |
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163 if self.update_class(spec, dbspec): |
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164 tables[classname] = spec.schema() |
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165 save = 1 |
| 1165 | 166 else: |
| 167 self.create_class(spec) | |
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168 tables[classname] = spec.schema() |
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169 save = 1 |
| 1165 | 170 |
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171 for classname, spec in tables.items(): |
| 1165 | 172 if not self.classes.has_key(classname): |
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173 self.drop_class(classname, tables[classname]) |
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174 del tables[classname] |
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175 save = 1 |
| 1165 | 176 |
| 177 # update the database version of the schema | |
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178 if save: |
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179 self.sql('delete from schema') |
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180 self.save_dbschema(self.database_schema) |
| 1165 | 181 |
| 182 # reindex the db if necessary | |
| 183 if self.indexer.should_reindex(): | |
| 184 self.reindex() | |
| 185 | |
| 186 # commit | |
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187 self.sql_commit() |
| 1165 | 188 |
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189 # update this number when we need to make changes to the SQL structure |
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190 # of the backen database |
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191 current_db_version = 2 |
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192 def upgrade_db(self): |
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193 ''' Update the SQL database to reflect changes in the backend code. |
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194 |
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195 Return boolean whether we need to save the schema. |
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196 ''' |
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197 version = self.database_schema.get('version', 1) |
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198 if version == self.current_db_version: |
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199 # nothing to do |
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200 return 0 |
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201 |
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202 if version == 1: |
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203 # change the schema structure |
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204 self.database_schema = {'tables': self.database_schema} |
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205 |
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206 # version 1 didn't have the actor column (note that in |
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207 # MySQL this will also transition the tables to typed columns) |
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208 self.add_actor_column() |
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209 |
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210 # version 1 doesn't have the OTK, session and indexing in the |
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211 # database |
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212 self.create_version_2_tables() |
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213 |
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214 self.database_schema['version'] = self.current_db_version |
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215 return 1 |
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216 |
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217 |
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218 def refresh_database(self): |
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219 self.post_init() |
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220 |
| 1165 | 221 def reindex(self): |
| 222 for klass in self.classes.values(): | |
| 223 for nodeid in klass.list(): | |
| 224 klass.index(nodeid) | |
| 225 self.indexer.save_index() | |
| 226 | |
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227 |
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228 hyperdb_to_sql_datatypes = { |
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229 hyperdb.String : 'VARCHAR(255)', |
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230 hyperdb.Date : 'TIMESTAMP', |
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231 hyperdb.Link : 'INTEGER', |
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232 hyperdb.Interval : 'VARCHAR(255)', |
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233 hyperdb.Password : 'VARCHAR(255)', |
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234 hyperdb.Boolean : 'INTEGER', |
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235 hyperdb.Number : 'REAL', |
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236 } |
| 1165 | 237 def determine_columns(self, properties): |
| 238 ''' Figure the column names and multilink properties from the spec | |
| 239 | |
| 240 "properties" is a list of (name, prop) where prop may be an | |
| 241 instance of a hyperdb "type" _or_ a string repr of that type. | |
| 242 ''' | |
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243 cols = [ |
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244 ('_actor', self.hyperdb_to_sql_datatypes[hyperdb.Link]), |
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245 ('_activity', self.hyperdb_to_sql_datatypes[hyperdb.Date]), |
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246 ('_creator', self.hyperdb_to_sql_datatypes[hyperdb.Link]), |
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247 ('_creation', self.hyperdb_to_sql_datatypes[hyperdb.Date]), |
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248 ] |
| 1165 | 249 mls = [] |
| 250 # add the multilinks separately | |
| 251 for col, prop in properties: | |
| 252 if isinstance(prop, Multilink): | |
| 253 mls.append(col) | |
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254 continue |
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255 |
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256 if isinstance(prop, type('')): |
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257 raise ValueError, "string property spec!" |
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258 #and prop.find('Multilink') != -1: |
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259 #mls.append(col) |
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260 |
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261 datatype = self.hyperdb_to_sql_datatypes[prop.__class__] |
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262 cols.append(('_'+col, datatype)) |
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263 |
| 1165 | 264 cols.sort() |
| 265 return cols, mls | |
| 266 | |
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267 def update_class(self, spec, old_spec, force=0): |
| 1165 | 268 ''' Determine the differences between the current spec and the |
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269 database version of the spec, and update where necessary. |
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270 |
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271 If 'force' is true, update the database anyway. |
| 1165 | 272 ''' |
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273 new_has = spec.properties.has_key |
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274 new_spec = spec.schema() |
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275 new_spec[1].sort() |
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276 old_spec[1].sort() |
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277 if not force and new_spec == old_spec: |
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278 # no changes |
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279 return 0 |
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280 |
| 1165 | 281 if __debug__: |
| 282 print >>hyperdb.DEBUG, 'update_class FIRING' | |
| 283 | |
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284 # detect key prop change for potential index change |
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285 keyprop_changes = {} |
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286 if new_spec[0] != old_spec[0]: |
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287 keyprop_changes = {'remove': old_spec[0], 'add': new_spec[0]} |
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288 |
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289 # detect multilinks that have been removed, and drop their table |
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290 old_has = {} |
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291 for name, prop in old_spec[1]: |
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292 old_has[name] = 1 |
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293 if new_has(name): |
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294 continue |
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295 |
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296 if prop.find('Multilink to') != -1: |
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297 # first drop indexes. |
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298 self.drop_multilink_table_indexes(spec.classname, name) |
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299 |
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300 # now the multilink table itself |
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301 sql = 'drop table %s_%s'%(spec.classname, name) |
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302 else: |
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303 # if this is the key prop, drop the index first |
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304 if old_spec[0] == prop: |
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305 self.drop_class_table_key_index(spec.classname, name) |
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306 del keyprop_changes['remove'] |
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307 |
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308 # drop the column |
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309 sql = 'alter table _%s drop column _%s'%(spec.classname, name) |
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310 |
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311 if __debug__: |
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312 print >>hyperdb.DEBUG, 'update_class', (self, sql) |
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313 self.cursor.execute(sql) |
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314 old_has = old_has.has_key |
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315 |
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316 # if we didn't remove the key prop just then, but the key prop has |
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317 # changed, we still need to remove the old index |
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318 if keyprop_changes.has_key('remove'): |
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319 self.drop_class_table_key_index(spec.classname, |
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320 keyprop_changes['remove']) |
| 1165 | 321 |
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322 # add new columns |
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323 for propname, x in new_spec[1]: |
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324 if old_has(propname): |
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325 continue |
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326 sql = 'alter table _%s add column _%s varchar(255)'%( |
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327 spec.classname, propname) |
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328 if __debug__: |
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329 print >>hyperdb.DEBUG, 'update_class', (self, sql) |
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330 self.cursor.execute(sql) |
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331 |
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332 # if the new column is a key prop, we need an index! |
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333 if new_spec[0] == propname: |
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334 self.create_class_table_key_index(spec.classname, propname) |
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335 del keyprop_changes['add'] |
| 1165 | 336 |
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337 # if we didn't add the key prop just then, but the key prop has |
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338 # changed, we still need to add the new index |
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339 if keyprop_changes.has_key('add'): |
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340 self.create_class_table_key_index(spec.classname, |
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341 keyprop_changes['add']) |
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342 |
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343 return 1 |
| 1165 | 344 |
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345 def create_class_table(self, spec): |
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346 '''Create the class table for the given Class "spec". Creates the |
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347 indexes too.''' |
| 1165 | 348 cols, mls = self.determine_columns(spec.properties.items()) |
| 349 | |
| 350 # add on our special columns | |
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351 cols.append(('id', 'INTEGER PRIMARY KEY')) |
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352 cols.append(('__retired__', 'INTEGER DEFAULT 0')) |
| 1165 | 353 |
| 354 # create the base table | |
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355 scols = ','.join(['%s %s'%x for x in cols]) |
| 1165 | 356 sql = 'create table _%s (%s)'%(spec.classname, scols) |
| 357 if __debug__: | |
| 358 print >>hyperdb.DEBUG, 'create_class', (self, sql) | |
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359 self.cursor.execute(sql) |
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360 |
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361 self.create_class_table_indexes(spec) |
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362 |
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363 return cols, mls |
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364 |
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365 def create_class_table_indexes(self, spec): |
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366 ''' create the class table for the given spec |
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367 ''' |
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368 # create __retired__ index |
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369 index_sql2 = 'create index _%s_retired_idx on _%s(__retired__)'%( |
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370 spec.classname, spec.classname) |
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371 if __debug__: |
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372 print >>hyperdb.DEBUG, 'create_index', (self, index_sql2) |
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373 self.cursor.execute(index_sql2) |
| 1165 | 374 |
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375 # create index for key property |
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376 if spec.key: |
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377 if __debug__: |
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378 print >>hyperdb.DEBUG, 'update_class setting keyprop %r'% \ |
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379 spec.key |
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380 index_sql3 = 'create index _%s_%s_idx on _%s(_%s)'%( |
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381 spec.classname, spec.key, |
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382 spec.classname, spec.key) |
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383 if __debug__: |
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384 print >>hyperdb.DEBUG, 'create_index', (self, index_sql3) |
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385 self.cursor.execute(index_sql3) |
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386 |
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387 def drop_class_table_indexes(self, cn, key): |
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388 # drop the old table indexes first |
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389 l = ['_%s_id_idx'%cn, '_%s_retired_idx'%cn] |
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390 if key: |
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391 l.append('_%s_%s_idx'%(cn, key)) |
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392 |
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393 table_name = '_%s'%cn |
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394 for index_name in l: |
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395 if not self.sql_index_exists(table_name, index_name): |
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396 continue |
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397 index_sql = 'drop index '+index_name |
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398 if __debug__: |
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399 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql) |
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400 self.cursor.execute(index_sql) |
| 1165 | 401 |
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402 def create_class_table_key_index(self, cn, key): |
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403 ''' create the class table for the given spec |
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404 ''' |
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405 sql = 'create index _%s_%s_idx on _%s(_%s)'%(cn, key, cn, key) |
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406 if __debug__: |
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407 print >>hyperdb.DEBUG, 'create_class_tab_key_index', (self, sql) |
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408 self.cursor.execute(sql) |
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409 |
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410 def drop_class_table_key_index(self, cn, key): |
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411 table_name = '_%s'%cn |
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412 index_name = '_%s_%s_idx'%(cn, key) |
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413 if not self.sql_index_exists(table_name, index_name): |
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414 return |
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415 sql = 'drop index '+index_name |
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416 if __debug__: |
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417 print >>hyperdb.DEBUG, 'drop_class_tab_key_index', (self, sql) |
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418 self.cursor.execute(sql) |
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419 |
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420 def create_journal_table(self, spec): |
| 1165 | 421 ''' create the journal table for a class given the spec and |
| 422 already-determined cols | |
| 423 ''' | |
| 424 # journal table | |
| 425 cols = ','.join(['%s varchar'%x | |
| 426 for x in 'nodeid date tag action params'.split()]) | |
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427 sql = '''create table %s__journal ( |
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428 nodeid integer, date timestamp, tag varchar(255), |
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429 action varchar(255), params varchar(25))'''%spec.classname |
| 1165 | 430 if __debug__: |
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431 print >>hyperdb.DEBUG, 'create_journal_table', (self, sql) |
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432 self.cursor.execute(sql) |
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433 self.create_journal_table_indexes(spec) |
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434 |
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435 def create_journal_table_indexes(self, spec): |
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436 # index on nodeid |
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437 sql = 'create index %s_journ_idx on %s__journal(nodeid)'%( |
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438 spec.classname, spec.classname) |
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439 if __debug__: |
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440 print >>hyperdb.DEBUG, 'create_index', (self, sql) |
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441 self.cursor.execute(sql) |
| 1165 | 442 |
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443 def drop_journal_table_indexes(self, classname): |
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444 index_name = '%s_journ_idx'%classname |
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445 if not self.sql_index_exists('%s__journal'%classname, index_name): |
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446 return |
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447 index_sql = 'drop index '+index_name |
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448 if __debug__: |
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449 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql) |
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450 self.cursor.execute(index_sql) |
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451 |
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452 def create_multilink_table(self, spec, ml): |
| 1165 | 453 ''' Create a multilink table for the "ml" property of the class |
| 454 given by the spec | |
| 455 ''' | |
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456 # create the table |
| 1165 | 457 sql = 'create table %s_%s (linkid varchar, nodeid varchar)'%( |
| 458 spec.classname, ml) | |
| 459 if __debug__: | |
| 460 print >>hyperdb.DEBUG, 'create_class', (self, sql) | |
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461 self.cursor.execute(sql) |
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462 self.create_multilink_table_indexes(spec, ml) |
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463 |
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464 def create_multilink_table_indexes(self, spec, ml): |
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465 # create index on linkid |
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466 index_sql = 'create index %s_%s_l_idx on %s_%s(linkid)'%( |
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467 spec.classname, ml, spec.classname, ml) |
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468 if __debug__: |
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469 print >>hyperdb.DEBUG, 'create_index', (self, index_sql) |
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470 self.cursor.execute(index_sql) |
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471 |
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472 # create index on nodeid |
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473 index_sql = 'create index %s_%s_n_idx on %s_%s(nodeid)'%( |
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474 spec.classname, ml, spec.classname, ml) |
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475 if __debug__: |
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476 print >>hyperdb.DEBUG, 'create_index', (self, index_sql) |
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477 self.cursor.execute(index_sql) |
| 1165 | 478 |
|
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479 def drop_multilink_table_indexes(self, classname, ml): |
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480 l = [ |
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481 '%s_%s_l_idx'%(classname, ml), |
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482 '%s_%s_n_idx'%(classname, ml) |
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483 ] |
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484 table_name = '%s_%s'%(classname, ml) |
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485 for index_name in l: |
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486 if not self.sql_index_exists(table_name, index_name): |
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487 continue |
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488 index_sql = 'drop index %s'%index_name |
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489 if __debug__: |
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490 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql) |
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491 self.cursor.execute(index_sql) |
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492 |
| 1165 | 493 def create_class(self, spec): |
| 494 ''' Create a database table according to the given spec. | |
| 495 ''' | |
|
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496 cols, mls = self.create_class_table(spec) |
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497 self.create_journal_table(spec) |
| 1165 | 498 |
| 499 # now create the multilink tables | |
| 500 for ml in mls: | |
|
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501 self.create_multilink_table(spec, ml) |
| 1165 | 502 |
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503 def drop_class(self, cn, spec): |
| 1165 | 504 ''' Drop the given table from the database. |
| 505 | |
| 506 Drop the journal and multilink tables too. | |
| 507 ''' | |
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508 properties = spec[1] |
| 1165 | 509 # figure the multilinks |
| 510 mls = [] | |
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changeset
|
511 for propanme, prop in properties: |
| 1165 | 512 if isinstance(prop, Multilink): |
|
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changeset
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513 mls.append(propname) |
| 1165 | 514 |
|
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515 # drop class table and indexes |
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516 self.drop_class_table_indexes(cn, spec[0]) |
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|
517 |
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Implemented proper datatypes in mysql and postgresql backends...
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changeset
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518 self.drop_class_table(cn) |
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|
519 |
|
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changeset
|
520 # drop journal table and indexes |
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521 self.drop_journal_table_indexes(cn) |
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522 sql = 'drop table %s__journal'%cn |
| 1165 | 523 if __debug__: |
| 524 print >>hyperdb.DEBUG, 'drop_class', (self, sql) | |
|
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changeset
|
525 self.cursor.execute(sql) |
| 1165 | 526 |
| 527 for ml in mls: | |
|
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528 # drop multilink table and indexes |
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changeset
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529 self.drop_multilink_table_indexes(cn, ml) |
| 1165 | 530 sql = 'drop table %s_%s'%(spec.classname, ml) |
| 531 if __debug__: | |
| 532 print >>hyperdb.DEBUG, 'drop_class', (self, sql) | |
|
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changeset
|
533 self.cursor.execute(sql) |
| 1165 | 534 |
|
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Implemented proper datatypes in mysql and postgresql backends...
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changeset
|
535 def drop_class_table(self, cn): |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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|
536 sql = 'drop table _%s'%cn |
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changeset
|
537 if __debug__: |
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|
538 print >>hyperdb.DEBUG, 'drop_class', (self, sql) |
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changeset
|
539 self.cursor.execute(sql) |
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changeset
|
540 |
| 1165 | 541 # |
| 542 # Classes | |
| 543 # | |
| 544 def __getattr__(self, classname): | |
| 545 ''' A convenient way of calling self.getclass(classname). | |
| 546 ''' | |
| 547 if self.classes.has_key(classname): | |
| 548 if __debug__: | |
| 549 print >>hyperdb.DEBUG, '__getattr__', (self, classname) | |
| 550 return self.classes[classname] | |
| 551 raise AttributeError, classname | |
| 552 | |
| 553 def addclass(self, cl): | |
| 554 ''' Add a Class to the hyperdatabase. | |
| 555 ''' | |
| 556 if __debug__: | |
| 557 print >>hyperdb.DEBUG, 'addclass', (self, cl) | |
| 558 cn = cl.classname | |
| 559 if self.classes.has_key(cn): | |
| 560 raise ValueError, cn | |
| 561 self.classes[cn] = cl | |
| 562 | |
|
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diff
changeset
|
563 # add default Edit and View permissions |
|
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changeset
|
564 self.security.addPermission(name="Edit", klass=cn, |
|
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diff
changeset
|
565 description="User is allowed to edit "+cn) |
|
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changeset
|
566 self.security.addPermission(name="View", klass=cn, |
|
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|
567 description="User is allowed to access "+cn) |
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changeset
|
568 |
| 1165 | 569 def getclasses(self): |
| 570 ''' Return a list of the names of all existing classes. | |
| 571 ''' | |
| 572 if __debug__: | |
| 573 print >>hyperdb.DEBUG, 'getclasses', (self,) | |
| 574 l = self.classes.keys() | |
| 575 l.sort() | |
| 576 return l | |
| 577 | |
| 578 def getclass(self, classname): | |
| 579 '''Get the Class object representing a particular class. | |
| 580 | |
| 581 If 'classname' is not a valid class name, a KeyError is raised. | |
| 582 ''' | |
| 583 if __debug__: | |
| 584 print >>hyperdb.DEBUG, 'getclass', (self, classname) | |
| 585 try: | |
| 586 return self.classes[classname] | |
| 587 except KeyError: | |
| 588 raise KeyError, 'There is no class called "%s"'%classname | |
| 589 | |
| 590 def clear(self): | |
|
2005
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1988
diff
changeset
|
591 '''Delete all database contents. |
| 1165 | 592 |
|
2005
fc52d57c6c3e
documentation cleanup
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1988
diff
changeset
|
593 Note: I don't commit here, which is different behaviour to the |
|
fc52d57c6c3e
documentation cleanup
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1988
diff
changeset
|
594 "nuke from orbit" behaviour in the dbs. |
| 1165 | 595 ''' |
| 596 if __debug__: | |
| 597 print >>hyperdb.DEBUG, 'clear', (self,) | |
| 598 for cn in self.classes.keys(): | |
| 599 sql = 'delete from _%s'%cn | |
| 600 if __debug__: | |
| 601 print >>hyperdb.DEBUG, 'clear', (self, sql) | |
|
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changeset
|
602 self.cursor.execute(sql) |
| 1165 | 603 |
| 604 # | |
| 605 # Nodes | |
| 606 # | |
|
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|
607 |
|
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changeset
|
608 hyperdb_to_sql_value = { |
|
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diff
changeset
|
609 hyperdb.String : str, |
|
2102
666402433998
Fix some tests.
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2100
diff
changeset
|
610 hyperdb.Date : lambda x: x.formal(sep=' ', sec='%.3f'), |
|
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changeset
|
611 hyperdb.Link : int, |
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612 hyperdb.Interval : lambda x: x.serialise(), |
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613 hyperdb.Password : str, |
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614 hyperdb.Boolean : int, |
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615 hyperdb.Number : lambda x: x, |
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616 } |
| 1165 | 617 def addnode(self, classname, nodeid, node): |
| 618 ''' Add the specified node to its class's db. | |
| 619 ''' | |
| 620 if __debug__: | |
| 621 print >>hyperdb.DEBUG, 'addnode', (self, classname, nodeid, node) | |
|
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622 |
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623 # determine the column definitions and multilink tables |
| 1165 | 624 cl = self.classes[classname] |
| 625 cols, mls = self.determine_columns(cl.properties.items()) | |
| 626 | |
|
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627 # we'll be supplied these props if we're doing an import |
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628 values = node.copy() |
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629 if not values.has_key('creator'): |
|
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630 # add in the "calculated" properties (dupe so we don't affect |
|
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631 # calling code's node assumptions) |
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632 values['creation'] = values['activity'] = date.Date() |
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633 values['actor'] = values['creator'] = self.getuid() |
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634 |
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635 cl = self.classes[classname] |
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636 props = cl.getprops(protected=1) |
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637 del props['id'] |
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638 |
| 1165 | 639 # default the non-multilink columns |
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640 for col, prop in props.items(): |
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641 if not values.has_key(col): |
|
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642 if isinstance(prop, Multilink): |
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643 values[col] = [] |
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644 else: |
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645 values[col] = None |
| 1165 | 646 |
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647 # clear this node out of the cache if it's in there |
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648 key = (classname, nodeid) |
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649 if self.cache.has_key(key): |
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650 del self.cache[key] |
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651 self.cache_lru.remove(key) |
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652 |
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653 # figure the values to insert |
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654 vals = [] |
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655 for col,dt in cols: |
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656 prop = props[col[1:]] |
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657 value = values[col[1:]] |
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658 if value: |
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659 value = self.hyperdb_to_sql_value[prop.__class__](value) |
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660 vals.append(value) |
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661 vals.append(nodeid) |
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662 vals = tuple(vals) |
| 1165 | 663 |
| 664 # make sure the ordering is correct for column name -> column value | |
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665 s = ','.join([self.arg for x in cols]) + ',%s'%self.arg |
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666 cols = ','.join([col for col,dt in cols]) + ',id' |
| 1165 | 667 |
| 668 # perform the inserts | |
| 669 sql = 'insert into _%s (%s) values (%s)'%(classname, cols, s) | |
| 670 if __debug__: | |
| 671 print >>hyperdb.DEBUG, 'addnode', (self, sql, vals) | |
|
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672 self.cursor.execute(sql, vals) |
| 1165 | 673 |
| 674 # insert the multilink rows | |
| 675 for col in mls: | |
| 676 t = '%s_%s'%(classname, col) | |
| 677 for entry in node[col]: | |
| 678 sql = 'insert into %s (linkid, nodeid) values (%s,%s)'%(t, | |
| 679 self.arg, self.arg) | |
|
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680 self.sql(sql, (entry, nodeid)) |
| 1165 | 681 |
| 682 # make sure we do the commit-time extra stuff for this node | |
| 683 self.transactions.append((self.doSaveNode, (classname, nodeid, node))) | |
| 684 | |
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685 def setnode(self, classname, nodeid, values, multilink_changes): |
| 1165 | 686 ''' Change the specified node. |
| 687 ''' | |
| 688 if __debug__: | |
|
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689 print >>hyperdb.DEBUG, 'setnode', (self, classname, nodeid, values) |
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690 |
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691 # clear this node out of the cache if it's in there |
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692 key = (classname, nodeid) |
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693 if self.cache.has_key(key): |
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694 del self.cache[key] |
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695 self.cache_lru.remove(key) |
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696 |
|
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697 # add the special props |
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698 values = values.copy() |
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699 values['activity'] = date.Date() |
|
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700 values['actor'] = self.getuid() |
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701 |
|
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702 cl = self.classes[classname] |
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703 props = cl.getprops() |
| 1165 | 704 |
| 705 cols = [] | |
| 706 mls = [] | |
| 707 # add the multilinks separately | |
|
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708 for col in values.keys(): |
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709 prop = props[col] |
| 1165 | 710 if isinstance(prop, Multilink): |
| 711 mls.append(col) | |
| 712 else: | |
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713 cols.append(col) |
| 1165 | 714 cols.sort() |
| 715 | |
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716 # figure the values to insert |
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717 vals = [] |
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718 for col in cols: |
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719 prop = props[col] |
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720 value = values[col] |
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721 if value is not None: |
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722 value = self.hyperdb_to_sql_value[prop.__class__](value) |
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723 vals.append(value) |
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724 vals.append(int(nodeid)) |
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725 vals = tuple(vals) |
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726 |
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727 # if there's any updates to regular columns, do them |
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728 if cols: |
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729 # make sure the ordering is correct for column name -> column value |
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730 s = ','.join(['_%s=%s'%(x, self.arg) for x in cols]) |
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731 cols = ','.join(cols) |
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732 |
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733 # perform the update |
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734 sql = 'update _%s set %s where id=%s'%(classname, s, self.arg) |
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735 if __debug__: |
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736 print >>hyperdb.DEBUG, 'setnode', (self, sql, vals) |
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737 self.cursor.execute(sql, vals) |
| 1165 | 738 |
| 739 # now the fun bit, updating the multilinks ;) | |
| 740 for col, (add, remove) in multilink_changes.items(): | |
| 741 tn = '%s_%s'%(classname, col) | |
| 742 if add: | |
| 743 sql = 'insert into %s (nodeid, linkid) values (%s,%s)'%(tn, | |
| 744 self.arg, self.arg) | |
| 745 for addid in add: | |
|
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746 # XXX numeric ids |
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747 self.sql(sql, (int(nodeid), int(addid))) |
| 1165 | 748 if remove: |
| 749 sql = 'delete from %s where nodeid=%s and linkid=%s'%(tn, | |
| 750 self.arg, self.arg) | |
| 751 for removeid in remove: | |
|
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752 # XXX numeric ids |
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753 self.sql(sql, (int(nodeid), int(removeid))) |
| 1165 | 754 |
| 755 # make sure we do the commit-time extra stuff for this node | |
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756 self.transactions.append((self.doSaveNode, (classname, nodeid, values))) |
| 1165 | 757 |
|
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758 sql_to_hyperdb_value = { |
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759 hyperdb.String : str, |
|
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760 hyperdb.Date : lambda x:date.Date(str(x).replace(' ', '.')), |
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761 # hyperdb.Link : int, # XXX numeric ids |
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762 hyperdb.Link : str, |
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763 hyperdb.Interval : date.Interval, |
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764 hyperdb.Password : lambda x: password.Password(encrypted=x), |
|
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765 hyperdb.Boolean : int, |
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766 hyperdb.Number : _num_cvt, |
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767 } |
| 1165 | 768 def getnode(self, classname, nodeid): |
| 769 ''' Get a node from the database. | |
| 770 ''' | |
| 771 if __debug__: | |
| 772 print >>hyperdb.DEBUG, 'getnode', (self, classname, nodeid) | |
|
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773 |
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774 # see if we have this node cached |
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775 key = (classname, nodeid) |
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776 if self.cache.has_key(key): |
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777 # push us back to the top of the LRU |
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778 self.cache_lru.remove(key) |
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779 self.cache_lru.insert(0, key) |
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780 # return the cached information |
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781 return self.cache[key] |
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782 |
| 1165 | 783 # figure the columns we're fetching |
| 784 cl = self.classes[classname] | |
| 785 cols, mls = self.determine_columns(cl.properties.items()) | |
|
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786 scols = ','.join([col for col,dt in cols]) |
| 1165 | 787 |
| 788 # perform the basic property fetch | |
| 789 sql = 'select %s from _%s where id=%s'%(scols, classname, self.arg) | |
|
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790 self.sql(sql, (nodeid,)) |
| 1165 | 791 |
|
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792 values = self.sql_fetchone() |
| 1165 | 793 if values is None: |
| 794 raise IndexError, 'no such %s node %s'%(classname, nodeid) | |
| 795 | |
| 796 # make up the node | |
| 797 node = {} | |
|
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798 props = cl.getprops(protected=1) |
| 1165 | 799 for col in range(len(cols)): |
|
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800 name = cols[col][0][1:] |
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801 value = values[col] |
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802 if value is not None: |
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803 value = self.sql_to_hyperdb_value[props[name].__class__](value) |
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804 node[name] = value |
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805 |
| 1165 | 806 |
| 807 # now the multilinks | |
| 808 for col in mls: | |
| 809 # get the link ids | |
| 810 sql = 'select linkid from %s_%s where nodeid=%s'%(classname, col, | |
| 811 self.arg) | |
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812 self.cursor.execute(sql, (nodeid,)) |
| 1165 | 813 # extract the first column from the result |
|
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814 # XXX numeric ids |
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815 node[col] = [str(x[0]) for x in self.cursor.fetchall()] |
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816 |
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817 # save off in the cache |
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818 key = (classname, nodeid) |
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819 self.cache[key] = node |
|
1174
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820 # update the LRU |
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821 self.cache_lru.insert(0, key) |
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822 if len(self.cache_lru) > ROW_CACHE_SIZE: |
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823 del self.cache[self.cache_lru.pop()] |
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824 |
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825 return node |
| 1165 | 826 |
| 827 def destroynode(self, classname, nodeid): | |
| 828 '''Remove a node from the database. Called exclusively by the | |
| 829 destroy() method on Class. | |
| 830 ''' | |
| 831 if __debug__: | |
| 832 print >>hyperdb.DEBUG, 'destroynode', (self, classname, nodeid) | |
| 833 | |
| 834 # make sure the node exists | |
| 835 if not self.hasnode(classname, nodeid): | |
| 836 raise IndexError, '%s has no node %s'%(classname, nodeid) | |
| 837 | |
|
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838 # see if we have this node cached |
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839 if self.cache.has_key((classname, nodeid)): |
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840 del self.cache[(classname, nodeid)] |
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841 |
| 1165 | 842 # see if there's any obvious commit actions that we should get rid of |
| 843 for entry in self.transactions[:]: | |
| 844 if entry[1][:2] == (classname, nodeid): | |
| 845 self.transactions.remove(entry) | |
| 846 | |
| 847 # now do the SQL | |
| 848 sql = 'delete from _%s where id=%s'%(classname, self.arg) | |
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849 self.sql(sql, (nodeid,)) |
| 1165 | 850 |
| 851 # remove from multilnks | |
| 852 cl = self.getclass(classname) | |
| 853 x, mls = self.determine_columns(cl.properties.items()) | |
| 854 for col in mls: | |
| 855 # get the link ids | |
| 856 sql = 'delete from %s_%s where nodeid=%s'%(classname, col, self.arg) | |
|
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857 self.sql(sql, (nodeid,)) |
| 1165 | 858 |
| 859 # remove journal entries | |
| 860 sql = 'delete from %s__journal where nodeid=%s'%(classname, self.arg) | |
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861 self.sql(sql, (nodeid,)) |
| 1165 | 862 |
| 863 def hasnode(self, classname, nodeid): | |
| 864 ''' Determine if the database has a given node. | |
| 865 ''' | |
| 866 sql = 'select count(*) from _%s where id=%s'%(classname, self.arg) | |
| 867 if __debug__: | |
| 868 print >>hyperdb.DEBUG, 'hasnode', (self, sql, nodeid) | |
|
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869 self.cursor.execute(sql, (nodeid,)) |
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870 return int(self.cursor.fetchone()[0]) |
| 1165 | 871 |
| 872 def countnodes(self, classname): | |
| 873 ''' Count the number of nodes that exist for a particular Class. | |
| 874 ''' | |
| 875 sql = 'select count(*) from _%s'%classname | |
| 876 if __debug__: | |
| 877 print >>hyperdb.DEBUG, 'countnodes', (self, sql) | |
|
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878 self.cursor.execute(sql) |
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879 return self.cursor.fetchone()[0] |
| 1165 | 880 |
| 881 def addjournal(self, classname, nodeid, action, params, creator=None, | |
| 882 creation=None): | |
| 883 ''' Journal the Action | |
| 884 'action' may be: | |
| 885 | |
| 886 'create' or 'set' -- 'params' is a dictionary of property values | |
| 887 'link' or 'unlink' -- 'params' is (classname, nodeid, propname) | |
| 888 'retire' -- 'params' is None | |
| 889 ''' | |
| 890 # serialise the parameters now if necessary | |
| 891 if isinstance(params, type({})): | |
| 892 if action in ('set', 'create'): | |
| 893 params = self.serialise(classname, params) | |
| 894 | |
| 895 # handle supply of the special journalling parameters (usually | |
| 896 # supplied on importing an existing database) | |
| 897 if creator: | |
| 898 journaltag = creator | |
| 899 else: | |
|
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a3b1b1dcf639
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Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
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diff
changeset
|
900 journaltag = self.getuid() |
| 1165 | 901 if creation: |
|
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902 journaldate = creation |
| 1165 | 903 else: |
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904 journaldate = date.Date() |
| 1165 | 905 |
| 906 # create the journal entry | |
| 907 cols = ','.join('nodeid date tag action params'.split()) | |
| 908 | |
| 909 if __debug__: | |
| 910 print >>hyperdb.DEBUG, 'addjournal', (nodeid, journaldate, | |
| 911 journaltag, action, params) | |
| 912 | |
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913 self.save_journal(classname, cols, nodeid, journaldate, |
| 1165 | 914 journaltag, action, params) |
| 915 | |
| 916 def getjournal(self, classname, nodeid): | |
| 917 ''' get the journal for id | |
| 918 ''' | |
| 919 # make sure the node exists | |
| 920 if not self.hasnode(classname, nodeid): | |
| 921 raise IndexError, '%s has no node %s'%(classname, nodeid) | |
| 922 | |
| 923 cols = ','.join('nodeid date tag action params'.split()) | |
|
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924 return self.load_journal(classname, cols, nodeid) |
| 1165 | 925 |
|
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diff
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926 def save_journal(self, classname, cols, nodeid, journaldate, |
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927 journaltag, action, params): |
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928 ''' Save the journal entry to the database |
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929 ''' |
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930 # make the params db-friendly |
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931 params = repr(params) |
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932 dc = self.hyperdb_to_sql_value[hyperdb.Date] |
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933 entry = (nodeid, dc(journaldate), journaltag, action, params) |
|
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934 |
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935 # do the insert |
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936 a = self.arg |
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937 sql = 'insert into %s__journal (%s) values (%s,%s,%s,%s,%s)'%( |
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938 classname, cols, a, a, a, a, a) |
|
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939 if __debug__: |
|
2100
62ed6505cbec
MySQL migration of old backend database to new, typed database complete.
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940 print >>hyperdb.DEBUG, 'save_journal', (self, sql, entry) |
|
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941 self.cursor.execute(sql, entry) |
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942 |
|
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943 def load_journal(self, classname, cols, nodeid): |
| 1165 | 944 ''' Load the journal from the database |
| 945 ''' | |
|
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946 # now get the journal entries |
|
2089
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947 sql = 'select %s from %s__journal where nodeid=%s order by date'%( |
|
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948 cols, classname, self.arg) |
|
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949 if __debug__: |
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950 print >>hyperdb.DEBUG, 'load_journal', (self, sql, nodeid) |
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951 self.cursor.execute(sql, (nodeid,)) |
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952 res = [] |
|
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953 dc = self.sql_to_hyperdb_value[hyperdb.Date] |
|
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954 for nodeid, date_stamp, user, action, params in self.cursor.fetchall(): |
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changeset
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955 params = eval(params) |
|
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956 # XXX numeric ids |
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957 res.append((str(nodeid), dc(date_stamp), user, action, params)) |
|
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changeset
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958 return res |
| 1165 | 959 |
| 960 def pack(self, pack_before): | |
| 961 ''' Delete all journal entries except "create" before 'pack_before'. | |
| 962 ''' | |
| 963 # get a 'yyyymmddhhmmss' version of the date | |
| 964 date_stamp = pack_before.serialise() | |
| 965 | |
| 966 # do the delete | |
| 967 for classname in self.classes.keys(): | |
| 968 sql = "delete from %s__journal where date<%s and "\ | |
| 969 "action<>'create'"%(classname, self.arg) | |
| 970 if __debug__: | |
| 971 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
|
972 self.cursor.execute(sql, (date_stamp,)) |
| 1165 | 973 |
| 974 def sql_commit(self): | |
| 975 ''' Actually commit to the database. | |
| 976 ''' | |
|
2075
b1704ba7be41
make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents:
2073
diff
changeset
|
977 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
|
978 print >>hyperdb.DEBUG, '+++ commit database connection +++' |
| 1165 | 979 self.conn.commit() |
| 980 | |
| 981 def commit(self): | |
| 982 ''' Commit the current transactions. | |
| 983 | |
| 984 Save all data changed since the database was opened or since the | |
| 985 last commit() or rollback(). | |
| 986 ''' | |
| 987 if __debug__: | |
| 988 print >>hyperdb.DEBUG, 'commit', (self,) | |
| 989 | |
| 990 # commit the database | |
| 991 self.sql_commit() | |
| 992 | |
| 993 # now, do all the other transaction stuff | |
| 994 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
|
995 method(*args) |
| 1165 | 996 |
| 997 # save the indexer state | |
| 998 self.indexer.save_index() | |
| 999 | |
| 1000 # clear out the transactions | |
| 1001 self.transactions = [] | |
| 1002 | |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1003 def sql_rollback(self): |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1004 self.conn.rollback() |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1005 |
| 1165 | 1006 def rollback(self): |
| 1007 ''' Reverse all actions from the current transaction. | |
| 1008 | |
| 1009 Undo all the changes made since the database was opened or the last | |
| 1010 commit() or rollback() was performed. | |
| 1011 ''' | |
| 1012 if __debug__: | |
| 1013 print >>hyperdb.DEBUG, 'rollback', (self,) | |
| 1014 | |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1015 self.sql_rollback() |
| 1165 | 1016 |
| 1017 # roll back "other" transaction stuff | |
| 1018 for method, args in self.transactions: | |
| 1019 # delete temporary files | |
| 1020 if method == self.doStoreFile: | |
| 1021 self.rollbackStoreFile(*args) | |
| 1022 self.transactions = [] | |
| 1023 | |
|
1492
2fc7d4a8c9e7
fixed sqlite rollback/caching bug [SF#689383]
Richard Jones <richard@users.sourceforge.net>
parents:
1484
diff
changeset
|
1024 # clear the cache |
|
2fc7d4a8c9e7
fixed sqlite rollback/caching bug [SF#689383]
Richard Jones <richard@users.sourceforge.net>
parents:
1484
diff
changeset
|
1025 self.clearCache() |
|
2fc7d4a8c9e7
fixed sqlite rollback/caching bug [SF#689383]
Richard Jones <richard@users.sourceforge.net>
parents:
1484
diff
changeset
|
1026 |
| 1165 | 1027 def doSaveNode(self, classname, nodeid, node): |
| 1028 ''' dummy that just generates a reindex event | |
| 1029 ''' | |
| 1030 # return the classname, nodeid so we reindex this content | |
| 1031 return (classname, nodeid) | |
| 1032 | |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1033 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
|
1034 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
|
1035 print >>hyperdb.DEBUG, '+++ close database connection +++' |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1036 self.conn.close() |
|
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1037 |
| 1165 | 1038 def close(self): |
| 1039 ''' Close off the connection. | |
| 1040 ''' | |
|
2093
3f6024ab2c7a
That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents:
2089
diff
changeset
|
1041 self.indexer.close() |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
1042 self.sql_close() |
| 1165 | 1043 |
| 1044 # | |
| 1045 # The base Class class | |
| 1046 # | |
| 1047 class Class(hyperdb.Class): | |
| 1048 ''' The handle to a particular class of nodes in a hyperdatabase. | |
| 1049 | |
| 1050 All methods except __repr__ and getnode must be implemented by a | |
| 1051 concrete backend Class. | |
| 1052 ''' | |
| 1053 | |
| 1054 def __init__(self, db, classname, **properties): | |
| 1055 '''Create a new class with a given name and property specification. | |
| 1056 | |
| 1057 'classname' must not collide with the name of an existing class, | |
| 1058 or a ValueError is raised. The keyword arguments in 'properties' | |
| 1059 must map names to property objects, or a TypeError is raised. | |
| 1060 ''' | |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1061 for name in 'creation activity creator actor'.split(): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1062 if properties.has_key(name): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1063 raise ValueError, '"creation", "activity", "creator" and '\ |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1064 '"actor" are reserved' |
| 1165 | 1065 |
| 1066 self.classname = classname | |
| 1067 self.properties = properties | |
| 1068 self.db = weakref.proxy(db) # use a weak ref to avoid circularity | |
| 1069 self.key = '' | |
| 1070 | |
| 1071 # should we journal changes (default yes) | |
| 1072 self.do_journal = 1 | |
| 1073 | |
| 1074 # do the db-related init stuff | |
| 1075 db.addclass(self) | |
| 1076 | |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1077 self.auditors = {'create': [], 'set': [], 'retire': [], 'restore': []} |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1078 self.reactors = {'create': [], 'set': [], 'retire': [], 'restore': []} |
| 1165 | 1079 |
| 1080 def schema(self): | |
| 1081 ''' A dumpable version of the schema that we can store in the | |
| 1082 database | |
| 1083 ''' | |
| 1084 return (self.key, [(x, repr(y)) for x,y in self.properties.items()]) | |
| 1085 | |
| 1086 def enableJournalling(self): | |
| 1087 '''Turn journalling on for this class | |
| 1088 ''' | |
| 1089 self.do_journal = 1 | |
| 1090 | |
| 1091 def disableJournalling(self): | |
| 1092 '''Turn journalling off for this class | |
| 1093 ''' | |
| 1094 self.do_journal = 0 | |
| 1095 | |
| 1096 # Editing nodes: | |
| 1097 def create(self, **propvalues): | |
| 1098 ''' Create a new node of this class and return its id. | |
| 1099 | |
| 1100 The keyword arguments in 'propvalues' map property names to values. | |
| 1101 | |
| 1102 The values of arguments must be acceptable for the types of their | |
| 1103 corresponding properties or a TypeError is raised. | |
| 1104 | |
| 1105 If this class has a key property, it must be present and its value | |
| 1106 must not collide with other key strings or a ValueError is raised. | |
| 1107 | |
| 1108 Any other properties on this class that are missing from the | |
| 1109 'propvalues' dictionary are set to None. | |
| 1110 | |
| 1111 If an id in a link or multilink property does not refer to a valid | |
| 1112 node, an IndexError is raised. | |
| 1113 ''' | |
|
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Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1114 self.fireAuditors('create', None, propvalues) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1115 newid = self.create_inner(**propvalues) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1116 self.fireReactors('create', newid, None) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1117 return newid |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1118 |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1119 def create_inner(self, **propvalues): |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
1120 ''' 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
|
1121 ''' |
| 1165 | 1122 if propvalues.has_key('id'): |
| 1123 raise KeyError, '"id" is reserved' | |
| 1124 | |
| 1125 if self.db.journaltag is None: | |
| 1126 raise DatabaseError, 'Database open read-only' | |
| 1127 | |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1128 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
|
1129 propvalues.has_key('creation') or propvalues.has_key('activity'): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1130 raise KeyError, '"creator", "actor", "creation" and '\ |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
1131 '"activity" are reserved' |
| 1165 | 1132 |
| 1133 # new node's id | |
| 1134 newid = self.db.newid(self.classname) | |
| 1135 | |
| 1136 # validate propvalues | |
| 1137 num_re = re.compile('^\d+$') | |
| 1138 for key, value in propvalues.items(): | |
| 1139 if key == self.key: | |
| 1140 try: | |
| 1141 self.lookup(value) | |
| 1142 except KeyError: | |
| 1143 pass | |
| 1144 else: | |
| 1145 raise ValueError, 'node with key "%s" exists'%value | |
| 1146 | |
| 1147 # try to handle this property | |
| 1148 try: | |
| 1149 prop = self.properties[key] | |
| 1150 except KeyError: | |
| 1151 raise KeyError, '"%s" has no property "%s"'%(self.classname, | |
| 1152 key) | |
| 1153 | |
| 1154 if value is not None and isinstance(prop, Link): | |
| 1155 if type(value) != type(''): | |
| 1156 raise ValueError, 'link value must be String' | |
| 1157 link_class = self.properties[key].classname | |
| 1158 # if it isn't a number, it's a key | |
| 1159 if not num_re.match(value): | |
| 1160 try: | |
| 1161 value = self.db.classes[link_class].lookup(value) | |
| 1162 except (TypeError, KeyError): | |
| 1163 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1164 key, value, link_class) | |
| 1165 elif not self.db.getclass(link_class).hasnode(value): | |
| 1166 raise IndexError, '%s has no node %s'%(link_class, value) | |
| 1167 | |
| 1168 # save off the value | |
| 1169 propvalues[key] = value | |
| 1170 | |
| 1171 # register the link with the newly linked node | |
| 1172 if self.do_journal and self.properties[key].do_journal: | |
| 1173 self.db.addjournal(link_class, value, 'link', | |
| 1174 (self.classname, newid, key)) | |
| 1175 | |
| 1176 elif isinstance(prop, Multilink): | |
| 1177 if type(value) != type([]): | |
| 1178 raise TypeError, 'new property "%s" not a list of ids'%key | |
| 1179 | |
| 1180 # clean up and validate the list of links | |
| 1181 link_class = self.properties[key].classname | |
| 1182 l = [] | |
| 1183 for entry in value: | |
| 1184 if type(entry) != type(''): | |
| 1185 raise ValueError, '"%s" multilink value (%r) '\ | |
| 1186 'must contain Strings'%(key, value) | |
| 1187 # if it isn't a number, it's a key | |
| 1188 if not num_re.match(entry): | |
| 1189 try: | |
| 1190 entry = self.db.classes[link_class].lookup(entry) | |
| 1191 except (TypeError, KeyError): | |
| 1192 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1193 key, entry, self.properties[key].classname) | |
| 1194 l.append(entry) | |
| 1195 value = l | |
| 1196 propvalues[key] = value | |
| 1197 | |
| 1198 # handle additions | |
| 1199 for nodeid in value: | |
| 1200 if not self.db.getclass(link_class).hasnode(nodeid): | |
| 1201 raise IndexError, '%s has no node %s'%(link_class, | |
| 1202 nodeid) | |
| 1203 # register the link with the newly linked node | |
| 1204 if self.do_journal and self.properties[key].do_journal: | |
| 1205 self.db.addjournal(link_class, nodeid, 'link', | |
| 1206 (self.classname, newid, key)) | |
| 1207 | |
| 1208 elif isinstance(prop, String): | |
|
1383
f19dde90e473
applied unicode patch
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1365
diff
changeset
|
1209 if type(value) != type('') and type(value) != type(u''): |
| 1165 | 1210 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
|
1211 self.db.indexer.add_text((self.classname, newid, key), value) |
| 1165 | 1212 |
| 1213 elif isinstance(prop, Password): | |
| 1214 if not isinstance(value, password.Password): | |
| 1215 raise TypeError, 'new property "%s" not a Password'%key | |
| 1216 | |
| 1217 elif isinstance(prop, Date): | |
| 1218 if value is not None and not isinstance(value, date.Date): | |
| 1219 raise TypeError, 'new property "%s" not a Date'%key | |
| 1220 | |
| 1221 elif isinstance(prop, Interval): | |
| 1222 if value is not None and not isinstance(value, date.Interval): | |
| 1223 raise TypeError, 'new property "%s" not an Interval'%key | |
| 1224 | |
| 1225 elif value is not None and isinstance(prop, Number): | |
| 1226 try: | |
| 1227 float(value) | |
| 1228 except ValueError: | |
| 1229 raise TypeError, 'new property "%s" not numeric'%key | |
| 1230 | |
| 1231 elif value is not None and isinstance(prop, Boolean): | |
| 1232 try: | |
| 1233 int(value) | |
| 1234 except ValueError: | |
| 1235 raise TypeError, 'new property "%s" not boolean'%key | |
| 1236 | |
| 1237 # make sure there's data where there needs to be | |
| 1238 for key, prop in self.properties.items(): | |
| 1239 if propvalues.has_key(key): | |
| 1240 continue | |
| 1241 if key == self.key: | |
| 1242 raise ValueError, 'key property "%s" is required'%key | |
| 1243 if isinstance(prop, Multilink): | |
| 1244 propvalues[key] = [] | |
| 1245 else: | |
| 1246 propvalues[key] = None | |
| 1247 | |
| 1248 # done | |
| 1249 self.db.addnode(self.classname, newid, propvalues) | |
| 1250 if self.do_journal: | |
|
1304
61ad556cfc8d
working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents:
1295
diff
changeset
|
1251 self.db.addjournal(self.classname, newid, 'create', {}) |
| 1165 | 1252 |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1253 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1254 return str(newid) |
| 1165 | 1255 |
| 1256 def export_list(self, propnames, nodeid): | |
| 1257 ''' Export a node - generate a list of CSV-able data in the order | |
| 1258 specified by propnames for the given node. | |
| 1259 ''' | |
| 1260 properties = self.getprops() | |
| 1261 l = [] | |
| 1262 for prop in propnames: | |
| 1263 proptype = properties[prop] | |
| 1264 value = self.get(nodeid, prop) | |
| 1265 # "marshal" data where needed | |
| 1266 if value is None: | |
| 1267 pass | |
| 1268 elif isinstance(proptype, hyperdb.Date): | |
| 1269 value = value.get_tuple() | |
| 1270 elif isinstance(proptype, hyperdb.Interval): | |
| 1271 value = value.get_tuple() | |
| 1272 elif isinstance(proptype, hyperdb.Password): | |
| 1273 value = str(value) | |
| 1274 l.append(repr(value)) | |
|
1920
f9316d2cd5ba
Fixed retirement of items in rdbms imports [SF#841355]
Richard Jones <richard@users.sourceforge.net>
parents:
1912
diff
changeset
|
1275 l.append(repr(self.is_retired(nodeid))) |
| 1165 | 1276 return l |
| 1277 | |
| 1278 def import_list(self, propnames, proplist): | |
| 1279 ''' Import a node - all information including "id" is present and | |
| 1280 should not be sanity checked. Triggers are not triggered. The | |
| 1281 journal should be initialised using the "creator" and "created" | |
| 1282 information. | |
| 1283 | |
| 1284 Return the nodeid of the node imported. | |
| 1285 ''' | |
| 1286 if self.db.journaltag is None: | |
| 1287 raise DatabaseError, 'Database open read-only' | |
| 1288 properties = self.getprops() | |
| 1289 | |
| 1290 # make the new node's property map | |
| 1291 d = {} | |
|
1496
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents:
1492
diff
changeset
|
1292 retire = 0 |
|
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents:
1492
diff
changeset
|
1293 newid = None |
| 1165 | 1294 for i in range(len(propnames)): |
| 1295 # Use eval to reverse the repr() used to output the CSV | |
| 1296 value = eval(proplist[i]) | |
| 1297 | |
| 1298 # Figure the property for this column | |
| 1299 propname = propnames[i] | |
| 1300 | |
| 1301 # "unmarshal" where necessary | |
| 1302 if propname == 'id': | |
| 1303 newid = value | |
| 1304 continue | |
|
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e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
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parents:
1492
diff
changeset
|
1305 elif propname == 'is retired': |
|
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
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parents:
1492
diff
changeset
|
1306 # is the item retired? |
|
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
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parents:
1492
diff
changeset
|
1307 if int(value): |
|
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
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parents:
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diff
changeset
|
1308 retire = 1 |
|
e6ac4e074acb
relaxed CVS importing (feature [SF#693277])
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parents:
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diff
changeset
|
1309 continue |
|
1751
ab7760caf6ff
Importing wasn't setting None values explicitly when it should have been
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parents:
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diff
changeset
|
1310 elif value is None: |
|
ab7760caf6ff
Importing wasn't setting None values explicitly when it should have been
Richard Jones <richard@users.sourceforge.net>
parents:
1740
diff
changeset
|
1311 d[propname] = None |
|
ab7760caf6ff
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Richard Jones <richard@users.sourceforge.net>
parents:
1740
diff
changeset
|
1312 continue |
|
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relaxed CVS importing (feature [SF#693277])
Richard Jones <richard@users.sourceforge.net>
parents:
1492
diff
changeset
|
1313 |
|
e6ac4e074acb
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diff
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|
1314 prop = properties[propname] |
|
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parents:
1492
diff
changeset
|
1315 if value is None: |
| 1165 | 1316 # don't set Nones |
| 1317 continue | |
| 1318 elif isinstance(prop, hyperdb.Date): | |
| 1319 value = date.Date(value) | |
| 1320 elif isinstance(prop, hyperdb.Interval): | |
| 1321 value = date.Interval(value) | |
| 1322 elif isinstance(prop, hyperdb.Password): | |
| 1323 pwd = password.Password() | |
| 1324 pwd.unpack(value) | |
| 1325 value = pwd | |
| 1326 d[propname] = value | |
| 1327 | |
|
1496
e6ac4e074acb
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parents:
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diff
changeset
|
1328 # get a new id if necessary |
|
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parents:
1492
diff
changeset
|
1329 if newid is None: |
|
e6ac4e074acb
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parents:
1492
diff
changeset
|
1330 newid = self.db.newid(self.classname) |
|
e6ac4e074acb
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1492
diff
changeset
|
1331 |
|
1920
f9316d2cd5ba
Fixed retirement of items in rdbms imports [SF#841355]
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parents:
1912
diff
changeset
|
1332 # add the node and journal |
|
f9316d2cd5ba
Fixed retirement of items in rdbms imports [SF#841355]
Richard Jones <richard@users.sourceforge.net>
parents:
1912
diff
changeset
|
1333 self.db.addnode(self.classname, newid, d) |
|
f9316d2cd5ba
Fixed retirement of items in rdbms imports [SF#841355]
Richard Jones <richard@users.sourceforge.net>
parents:
1912
diff
changeset
|
1334 |
|
1476
5a01e90b7dc9
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Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1335 # retire? |
|
1496
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Richard Jones <richard@users.sourceforge.net>
parents:
1492
diff
changeset
|
1336 if retire: |
|
1476
5a01e90b7dc9
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Richard Jones <richard@users.sourceforge.net>
parents:
1467
diff
changeset
|
1337 # use the arg for __retired__ to cope with any odd database type |
|
5a01e90b7dc9
fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents:
1467
diff
changeset
|
1338 # conversion (hello, sqlite) |
|
5a01e90b7dc9
fixed export/import of retired nodes [SF#685273]
Richard Jones <richard@users.sourceforge.net>
parents:
1467
diff
changeset
|
1339 sql = 'update _%s set __retired__=%s where id=%s'%(self.classname, |
|
5a01e90b7dc9
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parents:
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diff
changeset
|
1340 self.db.arg, self.db.arg) |
|
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parents:
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diff
changeset
|
1341 if __debug__: |
|
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parents:
1467
diff
changeset
|
1342 print >>hyperdb.DEBUG, 'retire', (self, sql, newid) |
|
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parents:
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diff
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|
1343 self.db.cursor.execute(sql, (1, newid)) |
|
5a01e90b7dc9
fixed export/import of retired nodes [SF#685273]
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parents:
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diff
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|
1344 |
| 1165 | 1345 # extract the extraneous journalling gumpf and nuke it |
| 1346 if d.has_key('creator'): | |
| 1347 creator = d['creator'] | |
| 1348 del d['creator'] | |
|
1187
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Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1349 else: |
|
84e40c9bcd99
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Richard Jones <richard@users.sourceforge.net>
parents:
1185
diff
changeset
|
1350 creator = None |
| 1165 | 1351 if d.has_key('creation'): |
| 1352 creation = d['creation'] | |
| 1353 del d['creation'] | |
|
1187
84e40c9bcd99
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Richard Jones <richard@users.sourceforge.net>
parents:
1185
diff
changeset
|
1354 else: |
|
84e40c9bcd99
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Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1355 creation = None |
| 1165 | 1356 if d.has_key('activity'): |
| 1357 del d['activity'] | |
|
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3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
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|
1358 if d.has_key('actor'): |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
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|
1359 del d['actor'] |
|
1304
61ad556cfc8d
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diff
changeset
|
1360 self.db.addjournal(self.classname, newid, 'create', {}, creator, |
| 1165 | 1361 creation) |
| 1362 return newid | |
| 1363 | |
| 1364 _marker = [] | |
| 1365 def get(self, nodeid, propname, default=_marker, cache=1): | |
| 1366 '''Get the value of a property on an existing node of this class. | |
| 1367 | |
| 1368 'nodeid' must be the id of an existing node of this class or an | |
| 1369 IndexError is raised. 'propname' must be the name of a property | |
| 1370 of this class or a KeyError is raised. | |
| 1371 | |
|
1780
d2801a2b0a77
Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents:
1751
diff
changeset
|
1372 'cache' exists for backwards compatibility, and is not used. |
| 1165 | 1373 ''' |
| 1374 if propname == 'id': | |
| 1375 return nodeid | |
| 1376 | |
|
1174
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Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
1377 # get the node's dict |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
1378 d = self.db.getnode(self.classname, nodeid) |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
1379 |
| 1165 | 1380 if propname == 'creation': |
|
1174
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diff
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|
1381 if d.has_key('creation'): |
|
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Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
1382 return d['creation'] |
| 1165 | 1383 else: |
| 1384 return date.Date() | |
| 1385 if propname == 'activity': | |
|
1174
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diff
changeset
|
1386 if d.has_key('activity'): |
|
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|
1387 return d['activity'] |
| 1165 | 1388 else: |
| 1389 return date.Date() | |
| 1390 if propname == 'creator': | |
|
1174
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parents:
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diff
changeset
|
1391 if d.has_key('creator'): |
|
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diff
changeset
|
1392 return d['creator'] |
| 1165 | 1393 else: |
|
1800
a3b1b1dcf639
Use getuid(), not figure_curuserid()
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
1794
diff
changeset
|
1394 return self.db.getuid() |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1395 if propname == 'actor': |
|
3e0961d6d44d
Added the "actor" property.
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parents:
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diff
changeset
|
1396 if d.has_key('actor'): |
|
3e0961d6d44d
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Richard Jones <richard@users.sourceforge.net>
parents:
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changeset
|
1397 return d['actor'] |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
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diff
changeset
|
1398 else: |
|
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1399 return self.db.getuid() |
| 1165 | 1400 |
| 1401 # get the property (raises KeyErorr if invalid) | |
| 1402 prop = self.properties[propname] | |
| 1403 | |
| 1404 if not d.has_key(propname): | |
| 1405 if default is self._marker: | |
| 1406 if isinstance(prop, Multilink): | |
| 1407 return [] | |
| 1408 else: | |
| 1409 return None | |
| 1410 else: | |
| 1411 return default | |
| 1412 | |
| 1413 # don't pass our list to other code | |
| 1414 if isinstance(prop, Multilink): | |
| 1415 return d[propname][:] | |
| 1416 | |
| 1417 return d[propname] | |
| 1418 | |
| 1419 def set(self, nodeid, **propvalues): | |
| 1420 '''Modify a property on an existing node of this class. | |
| 1421 | |
| 1422 'nodeid' must be the id of an existing node of this class or an | |
| 1423 IndexError is raised. | |
| 1424 | |
| 1425 Each key in 'propvalues' must be the name of a property of this | |
| 1426 class or a KeyError is raised. | |
| 1427 | |
| 1428 All values in 'propvalues' must be acceptable types for their | |
| 1429 corresponding properties or a TypeError is raised. | |
| 1430 | |
| 1431 If the value of the key property is set, it must not collide with | |
| 1432 other key strings or a ValueError is raised. | |
| 1433 | |
| 1434 If the value of a Link or Multilink property contains an invalid | |
| 1435 node id, a ValueError is raised. | |
| 1436 ''' | |
|
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parents:
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changeset
|
1437 self.fireAuditors('set', nodeid, propvalues) |
|
93f03c6714d8
A few big changes in this commit:
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parents:
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changeset
|
1438 oldvalues = copy.deepcopy(self.db.getnode(self.classname, nodeid)) |
|
93f03c6714d8
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diff
changeset
|
1439 propvalues = self.set_inner(nodeid, **propvalues) |
|
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parents:
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diff
changeset
|
1440 self.fireReactors('set', nodeid, oldvalues) |
|
93f03c6714d8
A few big changes in this commit:
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parents:
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diff
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|
1441 return propvalues |
|
93f03c6714d8
A few big changes in this commit:
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changeset
|
1442 |
|
93f03c6714d8
A few big changes in this commit:
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diff
changeset
|
1443 def set_inner(self, nodeid, **propvalues): |
|
93f03c6714d8
A few big changes in this commit:
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diff
changeset
|
1444 ''' Called by set, in-between the audit and react calls. |
|
93f03c6714d8
A few big changes in this commit:
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parents:
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diff
changeset
|
1445 ''' |
| 1165 | 1446 if not propvalues: |
| 1447 return propvalues | |
| 1448 | |
|
2077
3e0961d6d44d
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parents:
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diff
changeset
|
1449 if propvalues.has_key('creation') or propvalues.has_key('creator') or \ |
|
3e0961d6d44d
Added the "actor" property.
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parents:
2076
diff
changeset
|
1450 propvalues.has_key('actor') or propvalues.has_key('activity'): |
|
3e0961d6d44d
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parents:
2076
diff
changeset
|
1451 raise KeyError, '"creation", "creator", "actor" and '\ |
|
3e0961d6d44d
Added the "actor" property.
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parents:
2076
diff
changeset
|
1452 '"activity" are reserved' |
| 1165 | 1453 |
| 1454 if propvalues.has_key('id'): | |
| 1455 raise KeyError, '"id" is reserved' | |
| 1456 | |
| 1457 if self.db.journaltag is None: | |
| 1458 raise DatabaseError, 'Database open read-only' | |
| 1459 | |
| 1460 node = self.db.getnode(self.classname, nodeid) | |
| 1461 if self.is_retired(nodeid): | |
| 1462 raise IndexError, 'Requested item is retired' | |
| 1463 num_re = re.compile('^\d+$') | |
| 1464 | |
| 1465 # if the journal value is to be different, store it in here | |
| 1466 journalvalues = {} | |
| 1467 | |
| 1468 # remember the add/remove stuff for multilinks, making it easier | |
| 1469 # for the Database layer to do its stuff | |
| 1470 multilink_changes = {} | |
| 1471 | |
| 1472 for propname, value in propvalues.items(): | |
| 1473 # check to make sure we're not duplicating an existing key | |
| 1474 if propname == self.key and node[propname] != value: | |
| 1475 try: | |
| 1476 self.lookup(value) | |
| 1477 except KeyError: | |
| 1478 pass | |
| 1479 else: | |
| 1480 raise ValueError, 'node with key "%s" exists'%value | |
| 1481 | |
| 1482 # this will raise the KeyError if the property isn't valid | |
| 1483 # ... we don't use getprops() here because we only care about | |
| 1484 # the writeable properties. | |
|
1174
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diff
changeset
|
1485 try: |
|
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changeset
|
1486 prop = self.properties[propname] |
|
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changeset
|
1487 except KeyError: |
|
8e318dfaf479
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parents:
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diff
changeset
|
1488 raise KeyError, '"%s" has no property named "%s"'%( |
|
8e318dfaf479
Verify contents of tracker module when the tracker is opened
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parents:
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diff
changeset
|
1489 self.classname, propname) |
| 1165 | 1490 |
| 1491 # if the value's the same as the existing value, no sense in | |
| 1492 # doing anything | |
|
1304
61ad556cfc8d
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parents:
1295
diff
changeset
|
1493 current = node.get(propname, None) |
|
61ad556cfc8d
working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
parents:
1295
diff
changeset
|
1494 if value == current: |
| 1165 | 1495 del propvalues[propname] |
| 1496 continue | |
|
1304
61ad556cfc8d
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parents:
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diff
changeset
|
1497 journalvalues[propname] = current |
| 1165 | 1498 |
| 1499 # do stuff based on the prop type | |
| 1500 if isinstance(prop, Link): | |
| 1501 link_class = prop.classname | |
| 1502 # if it isn't a number, it's a key | |
| 1503 if value is not None and not isinstance(value, type('')): | |
| 1504 raise ValueError, 'property "%s" link value be a string'%( | |
| 1505 propname) | |
| 1506 if isinstance(value, type('')) and not num_re.match(value): | |
| 1507 try: | |
| 1508 value = self.db.classes[link_class].lookup(value) | |
| 1509 except (TypeError, KeyError): | |
| 1510 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1511 propname, value, prop.classname) | |
| 1512 | |
| 1513 if (value is not None and | |
| 1514 not self.db.getclass(link_class).hasnode(value)): | |
| 1515 raise IndexError, '%s has no node %s'%(link_class, value) | |
| 1516 | |
| 1517 if self.do_journal and prop.do_journal: | |
| 1518 # register the unlink with the old linked node | |
| 1519 if node[propname] is not None: | |
| 1520 self.db.addjournal(link_class, node[propname], 'unlink', | |
| 1521 (self.classname, nodeid, propname)) | |
| 1522 | |
| 1523 # register the link with the newly linked node | |
| 1524 if value is not None: | |
| 1525 self.db.addjournal(link_class, value, 'link', | |
| 1526 (self.classname, nodeid, propname)) | |
| 1527 | |
| 1528 elif isinstance(prop, Multilink): | |
| 1529 if type(value) != type([]): | |
| 1530 raise TypeError, 'new property "%s" not a list of'\ | |
| 1531 ' ids'%propname | |
| 1532 link_class = self.properties[propname].classname | |
| 1533 l = [] | |
| 1534 for entry in value: | |
| 1535 # if it isn't a number, it's a key | |
| 1536 if type(entry) != type(''): | |
| 1537 raise ValueError, 'new property "%s" link value ' \ | |
| 1538 'must be a string'%propname | |
| 1539 if not num_re.match(entry): | |
| 1540 try: | |
| 1541 entry = self.db.classes[link_class].lookup(entry) | |
| 1542 except (TypeError, KeyError): | |
| 1543 raise IndexError, 'new property "%s": %s not a %s'%( | |
| 1544 propname, entry, | |
| 1545 self.properties[propname].classname) | |
| 1546 l.append(entry) | |
| 1547 value = l | |
| 1548 propvalues[propname] = value | |
| 1549 | |
| 1550 # figure the journal entry for this property | |
| 1551 add = [] | |
| 1552 remove = [] | |
| 1553 | |
| 1554 # handle removals | |
| 1555 if node.has_key(propname): | |
| 1556 l = node[propname] | |
| 1557 else: | |
| 1558 l = [] | |
| 1559 for id in l[:]: | |
| 1560 if id in value: | |
| 1561 continue | |
| 1562 # register the unlink with the old linked node | |
| 1563 if self.do_journal and self.properties[propname].do_journal: | |
| 1564 self.db.addjournal(link_class, id, 'unlink', | |
| 1565 (self.classname, nodeid, propname)) | |
| 1566 l.remove(id) | |
| 1567 remove.append(id) | |
| 1568 | |
| 1569 # handle additions | |
| 1570 for id in value: | |
| 1571 if not self.db.getclass(link_class).hasnode(id): | |
| 1572 raise IndexError, '%s has no node %s'%(link_class, id) | |
| 1573 if id in l: | |
| 1574 continue | |
| 1575 # register the link with the newly linked node | |
| 1576 if self.do_journal and self.properties[propname].do_journal: | |
| 1577 self.db.addjournal(link_class, id, 'link', | |
| 1578 (self.classname, nodeid, propname)) | |
| 1579 l.append(id) | |
| 1580 add.append(id) | |
| 1581 | |
| 1582 # figure the journal entry | |
| 1583 l = [] | |
| 1584 if add: | |
| 1585 l.append(('+', add)) | |
| 1586 if remove: | |
| 1587 l.append(('-', remove)) | |
| 1588 multilink_changes[propname] = (add, remove) | |
| 1589 if l: | |
| 1590 journalvalues[propname] = tuple(l) | |
| 1591 | |
| 1592 elif isinstance(prop, String): | |
|
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parents:
1365
diff
changeset
|
1593 if value is not None and type(value) != type('') and type(value) != type(u''): |
| 1165 | 1594 raise TypeError, 'new property "%s" not a string'%propname |
|
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parents:
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changeset
|
1595 self.db.indexer.add_text((self.classname, nodeid, propname), |
|
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changeset
|
1596 value) |
| 1165 | 1597 |
| 1598 elif isinstance(prop, Password): | |
| 1599 if not isinstance(value, password.Password): | |
| 1600 raise TypeError, 'new property "%s" not a Password'%propname | |
| 1601 propvalues[propname] = value | |
| 1602 | |
| 1603 elif value is not None and isinstance(prop, Date): | |
| 1604 if not isinstance(value, date.Date): | |
| 1605 raise TypeError, 'new property "%s" not a Date'% propname | |
| 1606 propvalues[propname] = value | |
| 1607 | |
| 1608 elif value is not None and isinstance(prop, Interval): | |
| 1609 if not isinstance(value, date.Interval): | |
| 1610 raise TypeError, 'new property "%s" not an '\ | |
| 1611 'Interval'%propname | |
| 1612 propvalues[propname] = value | |
| 1613 | |
| 1614 elif value is not None and isinstance(prop, Number): | |
| 1615 try: | |
| 1616 float(value) | |
| 1617 except ValueError: | |
| 1618 raise TypeError, 'new property "%s" not numeric'%propname | |
| 1619 | |
| 1620 elif value is not None and isinstance(prop, Boolean): | |
| 1621 try: | |
| 1622 int(value) | |
| 1623 except ValueError: | |
| 1624 raise TypeError, 'new property "%s" not boolean'%propname | |
| 1625 | |
| 1626 # nothing to do? | |
| 1627 if not propvalues: | |
| 1628 return propvalues | |
| 1629 | |
| 1630 # do the set, and journal it | |
|
1174
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Richard Jones <richard@users.sourceforge.net>
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1173
diff
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|
1631 self.db.setnode(self.classname, nodeid, propvalues, multilink_changes) |
| 1165 | 1632 |
| 1633 if self.do_journal: | |
|
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61ad556cfc8d
working toward 0.5.2 release
Richard Jones <richard@users.sourceforge.net>
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diff
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|
1634 self.db.addjournal(self.classname, nodeid, 'set', journalvalues) |
| 1165 | 1635 |
| 1636 return propvalues | |
| 1637 | |
| 1638 def retire(self, nodeid): | |
| 1639 '''Retire a node. | |
| 1640 | |
| 1641 The properties on the node remain available from the get() method, | |
| 1642 and the node's id is never reused. | |
| 1643 | |
| 1644 Retired nodes are not returned by the find(), list(), or lookup() | |
| 1645 methods, and other nodes may reuse the values of their key properties. | |
| 1646 ''' | |
| 1647 if self.db.journaltag is None: | |
| 1648 raise DatabaseError, 'Database open read-only' | |
| 1649 | |
|
1345
618aa9c37d65
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Richard Jones <richard@users.sourceforge.net>
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diff
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|
1650 self.fireAuditors('retire', nodeid, None) |
|
618aa9c37d65
fire auditors and reactors in rdbms retire (thanks Sheila King)
Richard Jones <richard@users.sourceforge.net>
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diff
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|
1651 |
|
1222
bc3bc3248dd1
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Richard Jones <richard@users.sourceforge.net>
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diff
changeset
|
1652 # use the arg for __retired__ to cope with any odd database type |
|
bc3bc3248dd1
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diff
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|
1653 # conversion (hello, sqlite) |
|
bc3bc3248dd1
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diff
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|
1654 sql = 'update _%s set __retired__=%s where id=%s'%(self.classname, |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
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diff
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|
1655 self.db.arg, self.db.arg) |
| 1165 | 1656 if __debug__: |
| 1657 print >>hyperdb.DEBUG, 'retire', (self, sql, nodeid) | |
|
1222
bc3bc3248dd1
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Richard Jones <richard@users.sourceforge.net>
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1212
diff
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|
1658 self.db.cursor.execute(sql, (1, nodeid)) |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
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|
1659 if self.do_journal: |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1660 self.db.addjournal(self.classname, nodeid, 'retired', None) |
| 1165 | 1661 |
|
1345
618aa9c37d65
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Richard Jones <richard@users.sourceforge.net>
parents:
1333
diff
changeset
|
1662 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
|
1663 |
|
1519
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1664 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
|
1665 '''Restore a retired node. |
|
1519
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
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diff
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|
1666 |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
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diff
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|
1667 Make node available for all operations like it was before retirement. |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
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|
1668 ''' |
|
6fede2aa6a12
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diff
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|
1669 if self.db.journaltag is None: |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
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|
1670 raise DatabaseError, 'Database open read-only' |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
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|
1671 |
|
1523
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
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|
1672 node = self.db.getnode(self.classname, nodeid) |
|
63aa7be52d2c
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parents:
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diff
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|
1673 # check if key property was overrided |
|
63aa7be52d2c
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
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diff
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|
1674 key = self.getkey() |
|
63aa7be52d2c
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
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diff
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|
1675 try: |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
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|
1676 id = self.lookup(node[key]) |
|
63aa7be52d2c
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
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|
1677 except KeyError: |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
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|
1678 pass |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1679 else: |
|
63aa7be52d2c
checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1519
diff
changeset
|
1680 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
|
1681 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
|
1682 |
|
1519
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1683 self.fireAuditors('restore', nodeid, None) |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1684 # 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
|
1685 # conversion (hello, sqlite) |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1686 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
|
1687 self.db.arg, self.db.arg) |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1688 if __debug__: |
|
6fede2aa6a12
added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1515
diff
changeset
|
1689 print >>hyperdb.DEBUG, 'restore', (self, sql, nodeid) |
|
6fede2aa6a12
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parents:
1515
diff
changeset
|
1690 self.db.cursor.execute(sql, (0, nodeid)) |
|
6fede2aa6a12
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Andrey Lebedev <kedder@users.sourceforge.net>
parents:
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diff
changeset
|
1691 if self.do_journal: |
|
6fede2aa6a12
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parents:
1515
diff
changeset
|
1692 self.db.addjournal(self.classname, nodeid, 'restored', None) |
|
6fede2aa6a12
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parents:
1515
diff
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|
1693 |
|
6fede2aa6a12
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1515
diff
changeset
|
1694 self.fireReactors('restore', nodeid, None) |
|
6fede2aa6a12
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1515
diff
changeset
|
1695 |
| 1165 | 1696 def is_retired(self, nodeid): |
| 1697 '''Return true if the node is rerired | |
| 1698 ''' | |
| 1699 sql = 'select __retired__ from _%s where id=%s'%(self.classname, | |
| 1700 self.db.arg) | |
| 1701 if __debug__: | |
| 1702 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
|
1703 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
|
1704 return int(self.db.sql_fetchone()[0]) |
| 1165 | 1705 |
| 1706 def destroy(self, nodeid): | |
| 1707 '''Destroy a node. | |
| 1708 | |
| 1709 WARNING: this method should never be used except in extremely rare | |
| 1710 situations where there could never be links to the node being | |
| 1711 deleted | |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
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|
1712 |
| 1165 | 1713 WARNING: use retire() instead |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1714 |
| 1165 | 1715 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
|
1716 |
| 1165 | 1717 WARNING: really, use retire() instead |
| 1718 | |
| 1719 Well, I think that's enough warnings. This method exists mostly to | |
| 1720 support the session storage of the cgi interface. | |
| 1721 | |
| 1722 The node is completely removed from the hyperdb, including all journal | |
| 1723 entries. It will no longer be available, and will generally break code | |
| 1724 if there are any references to the node. | |
| 1725 ''' | |
| 1726 if self.db.journaltag is None: | |
| 1727 raise DatabaseError, 'Database open read-only' | |
| 1728 self.db.destroynode(self.classname, nodeid) | |
| 1729 | |
| 1730 def history(self, nodeid): | |
| 1731 '''Retrieve the journal of edits on a particular node. | |
| 1732 | |
| 1733 'nodeid' must be the id of an existing node of this class or an | |
| 1734 IndexError is raised. | |
| 1735 | |
| 1736 The returned list contains tuples of the form | |
| 1737 | |
|
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
|
1738 (nodeid, date, tag, action, params) |
| 1165 | 1739 |
| 1740 'date' is a Timestamp object specifying the time of the change and | |
| 1741 'tag' is the journaltag specified when the database was opened. | |
| 1742 ''' | |
| 1743 if not self.do_journal: | |
| 1744 raise ValueError, 'Journalling is disabled for this class' | |
| 1745 return self.db.getjournal(self.classname, nodeid) | |
| 1746 | |
| 1747 # Locating nodes: | |
| 1748 def hasnode(self, nodeid): | |
| 1749 '''Determine if the given nodeid actually exists | |
| 1750 ''' | |
| 1751 return self.db.hasnode(self.classname, nodeid) | |
| 1752 | |
| 1753 def setkey(self, propname): | |
| 1754 '''Select a String property of this class to be the key property. | |
| 1755 | |
| 1756 'propname' must be the name of a String property of this class or | |
| 1757 None, or a TypeError is raised. The values of the key property on | |
| 1758 all existing nodes must be unique or a ValueError is raised. | |
| 1759 ''' | |
|
1838
532f51a2c741
expand an XXX comment
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents:
1836
diff
changeset
|
1760 # XXX create an index on the key prop column. We should also |
|
532f51a2c741
expand an XXX comment
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents:
1836
diff
changeset
|
1761 # record that we've created this index in the schema somewhere. |
| 1165 | 1762 prop = self.getprops()[propname] |
| 1763 if not isinstance(prop, String): | |
| 1764 raise TypeError, 'key properties must be String' | |
| 1765 self.key = propname | |
| 1766 | |
| 1767 def getkey(self): | |
| 1768 '''Return the name of the key property for this class or None.''' | |
| 1769 return self.key | |
| 1770 | |
| 1771 def labelprop(self, default_to_id=0): | |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1772 '''Return the property name for a label for the given node. |
| 1165 | 1773 |
| 1774 This method attempts to generate a consistent label for the node. | |
| 1775 It tries the following in order: | |
|
2005
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parents:
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diff
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|
1776 |
|
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parents:
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diff
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|
1777 1. key property |
|
fc52d57c6c3e
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parents:
1988
diff
changeset
|
1778 2. "name" property |
|
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parents:
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diff
changeset
|
1779 3. "title" property |
|
fc52d57c6c3e
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parents:
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diff
changeset
|
1780 4. first property from the sorted property name list |
| 1165 | 1781 ''' |
| 1782 k = self.getkey() | |
| 1783 if k: | |
| 1784 return k | |
| 1785 props = self.getprops() | |
| 1786 if props.has_key('name'): | |
| 1787 return 'name' | |
| 1788 elif props.has_key('title'): | |
| 1789 return 'title' | |
| 1790 if default_to_id: | |
| 1791 return 'id' | |
| 1792 props = props.keys() | |
| 1793 props.sort() | |
| 1794 return props[0] | |
| 1795 | |
| 1796 def lookup(self, keyvalue): | |
| 1797 '''Locate a particular node by its key property and return its id. | |
| 1798 | |
| 1799 If this class has no key property, a TypeError is raised. If the | |
| 1800 'keyvalue' matches one of the values for the key property among | |
| 1801 the nodes in this class, the matching node's id is returned; | |
| 1802 otherwise a KeyError is raised. | |
| 1803 ''' | |
| 1804 if not self.key: | |
| 1805 raise TypeError, 'No key property set for class %s'%self.classname | |
| 1806 | |
|
1222
bc3bc3248dd1
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diff
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|
1807 # use the arg to handle any odd database type conversion (hello, |
|
bc3bc3248dd1
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diff
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|
1808 # sqlite) |
|
bc3bc3248dd1
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diff
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|
1809 sql = "select id from _%s where _%s=%s and __retired__ <> %s"%( |
|
bc3bc3248dd1
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diff
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|
1810 self.classname, self.key, self.db.arg, self.db.arg) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
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|
1811 self.db.sql(sql, (keyvalue, 1)) |
| 1165 | 1812 |
|
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|
1813 # see if there was a result that's not retired |
|
1203
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Richard Jones <richard@users.sourceforge.net>
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1195
diff
changeset
|
1814 row = self.db.sql_fetchone() |
|
735adcbfc665
fix to SQL lookup() and retirement
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1815 if not row: |
|
1174
8e318dfaf479
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diff
changeset
|
1816 raise KeyError, 'No key (%s) value "%s" for "%s"'%(self.key, |
|
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1173
diff
changeset
|
1817 keyvalue, self.classname) |
| 1165 | 1818 |
| 1819 # return the id | |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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2093
diff
changeset
|
1820 # XXX numeric ids |
|
18addf2a8596
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parents:
2093
diff
changeset
|
1821 return str(row[0]) |
| 1165 | 1822 |
| 1823 def find(self, **propspec): | |
| 1824 '''Get the ids of nodes in this class which link to the given nodes. | |
| 1825 | |
|
1222
bc3bc3248dd1
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1212
diff
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|
1826 'propspec' consists of keyword args propname=nodeid or |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
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parents:
1212
diff
changeset
|
1827 propname={nodeid:1, } |
| 1165 | 1828 '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
|
1829 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
|
1830 Multilink property, or a TypeError is raised. |
| 1165 | 1831 |
| 1832 Any node in this class whose 'propname' property links to any of the | |
| 1833 nodeids will be returned. Used by the full text indexing, which knows | |
| 1834 that "foo" occurs in msg1, msg3 and file7, so we have hits on these | |
| 1835 issues: | |
| 1836 | |
| 1837 db.issue.find(messages={'1':1,'3':1}, files={'7':1}) | |
| 1838 ''' | |
| 1839 if __debug__: | |
| 1840 print >>hyperdb.DEBUG, 'find', (self, propspec) | |
|
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|
1841 |
|
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diff
changeset
|
1842 # shortcut |
| 1165 | 1843 if not propspec: |
| 1844 return [] | |
|
1222
bc3bc3248dd1
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|
1845 |
|
bc3bc3248dd1
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changeset
|
1846 # validate the args |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1847 props = self.getprops() |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1848 propspec = propspec.items() |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1849 for propname, nodeids in propspec: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1850 # check the prop is OK |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1851 prop = props[propname] |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1852 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
|
1853 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
|
1854 |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1855 # first, links |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1856 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
|
1857 allvalues = (1,) |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1858 o = [] |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1859 where = [] |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1860 for prop, values in propspec: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1861 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
|
1862 continue |
|
1912
2b0ab61db194
fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents:
1911
diff
changeset
|
1863 if type(values) is type({}) and len(values) == 1: |
|
2b0ab61db194
fixes for [SF#818339]
Richard Jones <richard@users.sourceforge.net>
parents:
1911
diff
changeset
|
1864 values = values.keys()[0] |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1865 if type(values) is type(''): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1866 allvalues += (values,) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1867 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
|
1868 elif values is None: |
|
e2a8ce4d2317
Class.find() may now find unset Links [SF#700620]
Richard Jones <richard@users.sourceforge.net>
parents:
1557
diff
changeset
|
1869 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
|
1870 else: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1871 allvalues += tuple(values.keys()) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1872 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
|
1873 tables = ['_%s'%self.classname] |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1874 if where: |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1875 o.append('(' + ' and '.join(where) + ')') |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1876 |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1877 # now multilinks |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1878 for prop, values in propspec: |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1879 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
|
1880 continue |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1881 if not values: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1882 continue |
|
1222
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1883 if type(values) is type(''): |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1884 allvalues += (values,) |
|
bc3bc3248dd1
added Class.find() unit test, fixed implementations
Richard Jones <richard@users.sourceforge.net>
parents:
1212
diff
changeset
|
1885 s = a |
|
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 s = ','.join([a]*len(values)) |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1889 tn = '%s_%s'%(self.classname, prop) |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1890 tables.append(tn) |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1891 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
|
1892 |
|
1988
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1893 if not o: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1894 return [] |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1895 elif len(o) > 1: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1896 o = '(' + ' or '.join(['(%s)'%i for i in o]) + ')' |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1897 else: |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1898 o = o[0] |
|
5660b89f8903
more compliance testing, this time for find()
Richard Jones <richard@users.sourceforge.net>
parents:
1986
diff
changeset
|
1899 t = ', '.join(tables) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1900 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
|
1901 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
|
1902 self.db.sql(sql, allvalues) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1903 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1904 l = [str(x[0]) for x in self.db.sql_fetchall()] |
|
1195
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1905 if __debug__: |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1906 print >>hyperdb.DEBUG, 'find ... ', l |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1907 return l |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1908 |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1909 def stringFind(self, **requirements): |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1910 '''Locate a particular node by matching a set of its String |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1911 properties in a caseless search. |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1912 |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1913 If the property is not a String property, a TypeError is raised. |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1914 |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1915 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:
1189
diff
changeset
|
1916 ''' |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1917 where = [] |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1918 args = [] |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1919 for propname in requirements.keys(): |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
1920 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
|
1921 if not isinstance(prop, String): |
|
1195
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1922 raise TypeError, "'%s' not a String property"%propname |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1923 where.append(propname) |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1924 args.append(requirements[propname].lower()) |
|
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1925 |
|
e0032f4ab334
added missing stringFind to sql backends
Richard Jones <richard@users.sourceforge.net>
parents:
1189
diff
changeset
|
1926 # generate the where clause |
|
1549
a53a7e197360
fixed rdbms email address lookup (case insensitivity)
Richard Jones <richard@users.sourceforge.net>
parents:
1539
diff
changeset
|
1927 s = ' and '.join(['lower(_%s)=%s'%(col, self.db.arg) for col in where]) |
|
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
|
1928 sql = 'select id from _%s where %s and __retired__=%s'%(self.classname, |
|
767ff2a03eee
more unit tests to improve coverage (up from 85% to 88% for anydbm! :)
Richard Jones <richard@users.sourceforge.net>
parents:
1926
diff
changeset
|
1929 s, self.db.arg) |
|
767ff2a03eee
more unit tests to improve coverage (up from 85% to 88% for anydbm! :)
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parents:
1926
diff
changeset
|
1930 args.append(0) |
|
1195
e0032f4ab334
added missing stringFind to sql backends
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parents:
1189
diff
changeset
|
1931 self.db.sql(sql, tuple(args)) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
2093
diff
changeset
|
1932 # XXX numeric ids |
|
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Implemented proper datatypes in mysql and postgresql backends...
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diff
changeset
|
1933 l = [str(x[0]) for x in self.db.sql_fetchall()] |
| 1165 | 1934 if __debug__: |
| 1935 print >>hyperdb.DEBUG, 'find ... ', l | |
| 1936 return l | |
| 1937 | |
| 1938 def list(self): | |
| 1939 ''' Return a list of the ids of the active nodes in this class. | |
| 1940 ''' | |
|
1484
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1941 return self.getnodeids(retired=0) |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1942 |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1943 def getnodeids(self, retired=None): |
|
b3f2484babce
fixes to import/export
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parents:
1479
diff
changeset
|
1944 ''' 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
|
1945 |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1946 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
|
1947 retired or non-retired nodes, depending on the flag. |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1948 ''' |
|
1707
3d627e34f18e
sqlite backend now passes all tests under 2.3.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents:
1599
diff
changeset
|
1949 # 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
|
1950 if retired is not None: |
|
1719
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1951 if retired: |
|
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1952 args = (0, ) |
|
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1953 else: |
|
eeb167fb8faf
*** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents:
1707
diff
changeset
|
1954 args = (1, ) |
|
1539
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1955 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
|
1956 self.db.arg) |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1957 else: |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1958 args = () |
|
800b5896e14a
fixed rdbms export - getnodeids in particular with NULL values
Richard Jones <richard@users.sourceforge.net>
parents:
1528
diff
changeset
|
1959 sql = 'select id from _%s'%self.classname |
|
1484
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1960 if __debug__: |
|
b3f2484babce
fixes to import/export
Richard Jones <richard@users.sourceforge.net>
parents:
1479
diff
changeset
|
1961 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
|
1962 self.db.cursor.execute(sql, args) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
1963 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
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parents:
2093
diff
changeset
|
1964 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
|
1965 return ids |
| 1165 | 1966 |
|
1249
6c24a86a12ae
Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents:
1244
diff
changeset
|
1967 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
|
1968 group=(None,None)): |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1969 '''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
|
1970 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
|
1971 sort spec |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1972 |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1973 "filterspec" is {propname: value(s)} |
| 1165 | 1974 |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1975 "sort" and "group" are (dir, prop) where dir is '+', '-' or None |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1976 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
|
1977 |
|
2005
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1978 "search_matches" is {nodeid: marker} |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1979 |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1980 The filter must match all properties specificed - but if the |
|
fc52d57c6c3e
documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents:
1988
diff
changeset
|
1981 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
|
1982 list may match for that property to match. |
| 1165 | 1983 ''' |
|
1205
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
1984 # 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
|
1985 if search_matches == {}: |
|
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
1986 return [] |
|
0df08772f166
fix to SQL filtering
Richard Jones <richard@users.sourceforge.net>
parents:
1203
diff
changeset
|
1987 |
| 1165 | 1988 cn = self.classname |
| 1989 | |
|
1499
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
1990 timezone = self.db.getUserTimezone() |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
1991 |
| 1165 | 1992 # figure the WHERE clause from the filterspec |
| 1993 props = self.getprops() | |
| 1994 frum = ['_'+cn] | |
| 1995 where = [] | |
| 1996 args = [] | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
1997 a = self.db.arg |
| 1165 | 1998 for k, v in filterspec.items(): |
| 1999 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
|
2000 # now do other where clause stuff |
| 1165 | 2001 if isinstance(propclass, Multilink): |
| 2002 tn = '%s_%s'%(cn, k) | |
|
1556
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2003 if v in ('-1', ['-1']): |
|
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2004 # 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
|
2005 # corresponding multilink table) |
|
9e89f5394f6c
handle myriad of argument types to filter()
Richard Jones <richard@users.sourceforge.net>
parents:
1555
diff
changeset
|
2006 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
|
2007 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
|
2008 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
|
2009 s = ','.join([a for x in v]) |
| 1165 | 2010 where.append('id=%s.nodeid and %s.linkid in (%s)'%(tn,tn,s)) |
| 2011 args = args + v | |
| 2012 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
|
2013 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
|
2014 where.append('id=%s.nodeid and %s.linkid=%s'%(tn, tn, a)) |
| 1165 | 2015 args.append(v) |
|
1365
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2016 elif k == 'id': |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2017 if isinstance(v, type([])): |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2018 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
|
2019 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
|
2020 args = args + v |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2021 else: |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2022 where.append('%s=%s'%(k, a)) |
|
4884fb0860f9
fixed rdbms searching by ID [SF#666615]
Richard Jones <richard@users.sourceforge.net>
parents:
1351
diff
changeset
|
2023 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
|
2024 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
|
2025 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
|
2026 v = [v] |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2027 |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2028 # 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
|
2029 # 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
|
2030 # 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
|
2031 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
|
2032 |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2033 # 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
|
2034 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
|
2035 # 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
|
2036 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
|
2037 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
|
2038 if '-1' in v: |
|
1578
ba13c04814f0
don't modify filterspec passed in (bad Richard)
Richard Jones <richard@users.sourceforge.net>
parents:
1563
diff
changeset
|
2039 v = v[:] |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2040 v.remove('-1') |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2041 xtra = ' or _%s is NULL'%k |
|
1173
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
1172
diff
changeset
|
2042 else: |
|
58f1a2c174ed
simple LRU cache for SQL databases
Richard Jones <richard@users.sourceforge.net>
parents:
1172
diff
changeset
|
2043 xtra = '' |
|
1295
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2044 if v: |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2045 s = ','.join([a for x in v]) |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2046 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
|
2047 args = args + v |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2048 else: |
|
9c3459cb8ab6
work-around for sqlite bug
Richard Jones <richard@users.sourceforge.net>
parents:
1252
diff
changeset
|
2049 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
|
2050 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2051 if v == '-1': |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2052 v = None |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2053 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
|
2054 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2055 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
|
2056 args.append(v) |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2057 elif isinstance(propclass, Date): |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2058 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
|
2059 if isinstance(v, type([])): |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2060 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
|
2061 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
|
2062 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
|
2063 else: |
|
1499
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2064 try: |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2065 # 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
|
2066 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
|
2067 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
|
2068 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
|
2069 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
|
2070 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
|
2071 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
|
2072 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
|
2073 except ValueError: |
|
8ee69708da0c
added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1496
diff
changeset
|
2074 # 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
|
2075 pass |
|
1351
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2076 elif isinstance(propclass, Interval): |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2077 if isinstance(v, type([])): |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2078 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
|
2079 where.append('_%s in (%s)'%(k, s)) |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2080 args = args + [date.Interval(x).serialise() for x in v] |
|
d1bfb479e527
fixed searching on date / interval fields [SF#658157]
Richard Jones <richard@users.sourceforge.net>
parents:
1345
diff
changeset
|
2081 else: |
|
1596
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2082 try: |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2083 # 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
|
2084 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
|
2085 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
|
2086 where.append('_%s >= %s'%(k, a)) |
|
1596
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2087 args.append(date_rng.from_value.serialise()) |
|
2098
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2088 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
|
2089 where.append('_%s <= %s'%(k, a)) |
|
1596
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2090 args.append(date_rng.to_value.serialise()) |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2091 except ValueError: |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2092 # 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
|
2093 pass |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2094 #where.append('_%s=%s'%(k, a)) |
|
33a0d94c7658
searching on ranges of intervals is implemented
Andrey Lebedev <kedder@users.sourceforge.net>
parents:
1578
diff
changeset
|
2095 #args.append(date.Interval(v).serialise()) |
| 1165 | 2096 else: |
| 2097 if isinstance(v, type([])): | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2098 s = ','.join([a for x in v]) |
| 1165 | 2099 where.append('_%s in (%s)'%(k, s)) |
| 2100 args = args + v | |
| 2101 else: | |
|
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fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2102 where.append('_%s=%s'%(k, a)) |
| 1165 | 2103 args.append(v) |
| 2104 | |
|
1740
5ca448ff8052
don't have RDBMS backends list retired nodes [SF#767319]
Richard Jones <richard@users.sourceforge.net>
parents:
1719
diff
changeset
|
2105 # 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
|
2106 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
|
2107 |
| 1165 | 2108 # add results of full text search |
| 2109 if search_matches is not None: | |
| 2110 v = search_matches.keys() | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2111 s = ','.join([a for x in v]) |
| 1165 | 2112 where.append('id in (%s)'%s) |
| 2113 args = args + v | |
| 2114 | |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2115 # "grouping" is just the first-order sorting in the SQL fetch |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2116 # can modify it...) |
| 1165 | 2117 orderby = [] |
| 2118 ordercols = [] | |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2119 if group[0] is not None and group[1] is not None: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2120 if group[0] != '-': |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2121 orderby.append('_'+group[1]) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2122 ordercols.append('_'+group[1]) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2123 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2124 orderby.append('_'+group[1]+' desc') |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2125 ordercols.append('_'+group[1]) |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
2126 |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2127 # now add in the sorting |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2128 group = '' |
| 1165 | 2129 if sort[0] is not None and sort[1] is not None: |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2130 direction, colname = sort |
|
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2131 if direction != '-': |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
2132 if colname == 'id': |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2133 orderby.append(colname) |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2134 else: |
|
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
2135 orderby.append('_'+colname) |
|
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2136 ordercols.append('_'+colname) |
| 1165 | 2137 else: |
|
1174
8e318dfaf479
Verify contents of tracker module when the tracker is opened
Richard Jones <richard@users.sourceforge.net>
parents:
1173
diff
changeset
|
2138 if colname == 'id': |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2139 orderby.append(colname+' desc') |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2140 ordercols.append(colname) |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
2141 else: |
|
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2142 orderby.append('_'+colname+' desc') |
|
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2143 ordercols.append('_'+colname) |
| 1165 | 2144 |
| 2145 # construct the SQL | |
| 2146 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
|
2147 if where: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2148 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
|
2149 else: |
|
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2150 where = '' |
| 1165 | 2151 cols = ['id'] |
| 2152 if orderby: | |
| 2153 cols = cols + ordercols | |
| 2154 order = ' order by %s'%(','.join(orderby)) | |
| 2155 else: | |
| 2156 order = '' | |
| 2157 cols = ','.join(cols) | |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2158 sql = 'select %s from %s %s%s%s'%(cols, frum, where, group, order) |
| 1165 | 2159 args = tuple(args) |
| 2160 if __debug__: | |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2161 print >>hyperdb.DEBUG, 'filter', (self, sql, args) |
|
1906
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2162 if args: |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
2163 self.db.cursor.execute(sql, args) |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2164 else: |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2165 # psycopg doesn't like empty args |
|
f255363e6d97
PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents:
1873
diff
changeset
|
2166 self.db.cursor.execute(sql) |
|
1911
f5c804379c85
fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents:
1906
diff
changeset
|
2167 l = self.db.sql_fetchall() |
| 1165 | 2168 |
|
1170
af104fa52746
Added some words to the installation doc about choosing backends.
Richard Jones <richard@users.sourceforge.net>
parents:
1168
diff
changeset
|
2169 # 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
|
2170 # XXX numeric ids |
|
18addf2a8596
Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents:
2093
diff
changeset
|
2171 return [str(row[0]) for row in l] |
|
1168
94620e088e3a
fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents:
1165
diff
changeset
|
2172 |
| 1165 | 2173 def count(self): |
| 2174 '''Get the number of nodes in this class. | |
| 2175 | |
| 2176 If the returned integer is 'numnodes', the ids of all the nodes | |
| 2177 in this class run from 1 to numnodes, and numnodes+1 will be the | |
| 2178 id of the next node to be created in this class. | |
| 2179 ''' | |
| 2180 return self.db.countnodes(self.classname) | |
| 2181 | |
| 2182 # Manipulating properties: | |
| 2183 def getprops(self, protected=1): | |
| 2184 '''Return a dictionary mapping property names to property objects. | |
| 2185 If the "protected" flag is true, we include protected properties - | |
| 2186 those which may not be modified. | |
| 2187 ''' | |
| 2188 d = self.properties.copy() | |
| 2189 if protected: | |
| 2190 d['id'] = String() | |
| 2191 d['creation'] = hyperdb.Date() | |
| 2192 d['activity'] = hyperdb.Date() | |
|
1176
bd3b57859c37
On second thought, that last checkin was dumb.
Richard Jones <richard@users.sourceforge.net>
parents:
1175
diff
changeset
|
2193 d['creator'] = hyperdb.Link('user') |
|
2077
3e0961d6d44d
Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents:
2076
diff
changeset
|
2194 d['actor'] = hyperdb.Link('user') |
| 1165 | 2195 return d |
| 2196 | |
| 2197 def addprop(self, **properties): | |
| 2198 '''Add properties to this class. | |
| 2199 | |
| 2200 The keyword arguments in 'properties' must map names to property | |
| 2201 objects, or a TypeError is raised. None of the keys in 'properties' | |
| 2202 may collide with the names of existing properties, or a ValueError | |
| 2203 is raised before any properties have been added. | |
| 2204 ''' | |
| 2205 for key in properties.keys(): | |
| 2206 if self.properties.has_key(key): | |
| 2207 raise ValueError, key | |
| 2208 self.properties.update(properties) | |
| 2209 | |
| 2210 def index(self, nodeid): | |
| 2211 '''Add (or refresh) the node to search indexes | |
| 2212 ''' | |
| 2213 # find all the String properties that have indexme | |
| 2214 for prop, propclass in self.getprops().items(): | |
| 2215 if isinstance(propclass, String) and propclass.indexme: | |
|
2089
93f03c6714d8
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Richard Jones <richard@users.sourceforge.net>
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2082
diff
changeset
|
2216 self.db.indexer.add_text((self.classname, nodeid, prop), |
|
93f03c6714d8
A few big changes in this commit:
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parents:
2082
diff
changeset
|
2217 str(self.get(nodeid, prop))) |
| 1165 | 2218 |
| 2219 | |
| 2220 # | |
| 2221 # Detector interface | |
| 2222 # | |
| 2223 def audit(self, event, detector): | |
| 2224 '''Register a detector | |
| 2225 ''' | |
| 2226 l = self.auditors[event] | |
| 2227 if detector not in l: | |
| 2228 self.auditors[event].append(detector) | |
| 2229 | |
| 2230 def fireAuditors(self, action, nodeid, newvalues): | |
| 2231 '''Fire all registered auditors. | |
| 2232 ''' | |
| 2233 for audit in self.auditors[action]: | |
| 2234 audit(self.db, self, nodeid, newvalues) | |
| 2235 | |
| 2236 def react(self, event, detector): | |
| 2237 '''Register a detector | |
| 2238 ''' | |
| 2239 l = self.reactors[event] | |
| 2240 if detector not in l: | |
| 2241 self.reactors[event].append(detector) | |
| 2242 | |
| 2243 def fireReactors(self, action, nodeid, oldvalues): | |
| 2244 '''Fire all registered reactors. | |
| 2245 ''' | |
| 2246 for react in self.reactors[action]: | |
| 2247 react(self.db, self, nodeid, oldvalues) | |
| 2248 | |
|
1442
b42fa71754c9
don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents:
1431
diff
changeset
|
2249 class FileClass(Class, hyperdb.FileClass): |
| 1165 | 2250 '''This class defines a large chunk of data. To support this, it has a |
| 2251 mandatory String property "content" which is typically saved off | |
| 2252 externally to the hyperdb. | |
| 2253 | |
| 2254 The default MIME type of this data is defined by the | |
| 2255 "default_mime_type" class attribute, which may be overridden by each | |
| 2256 node if the class defines a "type" String property. | |
| 2257 ''' | |
| 2258 default_mime_type = 'text/plain' | |
| 2259 | |
| 2260 def create(self, **propvalues): | |
| 2261 ''' snaffle the file propvalue and store in a file | |
| 2262 ''' | |
|
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c70068162e64
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Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
2263 # we need to fire the auditors now, or the content property won't |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
2264 # be in propvalues for the auditors to play with |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
Richard Jones <richard@users.sourceforge.net>
parents:
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diff
changeset
|
2265 self.fireAuditors('create', None, propvalues) |
|
c70068162e64
Altered Class.create() and FileClass.create() methods...
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1417
diff
changeset
|
2266 |
|
c70068162e64
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Richard Jones <richard@users.sourceforge.net>
parents:
1417
diff
changeset
|
2267 # now remove the content property so it's not stored in the db |
| 1165 | 2268 content = propvalues['content'] |
| 2269 del propvalues['content'] | |
|
1431
c70068162e64
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1417
diff
changeset
|
2270 |
|
c70068162e64
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parents:
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diff
changeset
|
2271 # do the database create |
|
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diff
changeset
|
2272 newid = self.create_inner(**propvalues) |
|
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parents:
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|
2273 |
|
93f03c6714d8
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changeset
|
2274 # figure the mime type |
|
93f03c6714d8
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diff
changeset
|
2275 mime_type = propvalues.get('type', self.default_mime_type) |
|
93f03c6714d8
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|
2276 |
|
93f03c6714d8
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diff
changeset
|
2277 # and index! |
|
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diff
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|
2278 self.db.indexer.add_text((self.classname, newid, 'content'), content, |
|
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|
2279 mime_type) |
|
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|
2280 |
|
c70068162e64
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2281 # fire reactors |
|
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|
2282 self.fireReactors('create', newid, None) |
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2283 |
|
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changeset
|
2284 # store off the content as a file |
| 1165 | 2285 self.db.storefile(self.classname, newid, None, content) |
| 2286 return newid | |
| 2287 | |
| 2288 def import_list(self, propnames, proplist): | |
| 2289 ''' Trap the "content" property... | |
| 2290 ''' | |
| 2291 # dupe this list so we don't affect others | |
| 2292 propnames = propnames[:] | |
| 2293 | |
| 2294 # extract the "content" property from the proplist | |
| 2295 i = propnames.index('content') | |
| 2296 content = eval(proplist[i]) | |
| 2297 del propnames[i] | |
| 2298 del proplist[i] | |
| 2299 | |
| 2300 # do the normal import | |
| 2301 newid = Class.import_list(self, propnames, proplist) | |
| 2302 | |
| 2303 # save off the "content" file | |
| 2304 self.db.storefile(self.classname, newid, None, content) | |
| 2305 return newid | |
| 2306 | |
| 2307 _marker = [] | |
| 2308 def get(self, nodeid, propname, default=_marker, cache=1): | |
|
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changeset
|
2309 ''' Trap the content propname and get it from the file |
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changeset
|
2310 |
|
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changeset
|
2311 'cache' exists for backwards compatibility, and is not used. |
| 1165 | 2312 ''' |
| 2313 poss_msg = 'Possibly a access right configuration problem.' | |
| 2314 if propname == 'content': | |
| 2315 try: | |
| 2316 return self.db.getfile(self.classname, nodeid, None) | |
| 2317 except IOError, (strerror): | |
| 2318 # BUG: by catching this we donot see an error in the log. | |
| 2319 return 'ERROR reading file: %s%s\n%s\n%s'%( | |
| 2320 self.classname, nodeid, poss_msg, strerror) | |
| 2321 if default is not self._marker: | |
|
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changeset
|
2322 return Class.get(self, nodeid, propname, default) |
| 1165 | 2323 else: |
|
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changeset
|
2324 return Class.get(self, nodeid, propname) |
| 1165 | 2325 |
| 2326 def getprops(self, protected=1): | |
| 2327 ''' In addition to the actual properties on the node, these methods | |
| 2328 provide the "content" property. If the "protected" flag is true, | |
| 2329 we include protected properties - those which may not be | |
| 2330 modified. | |
| 2331 ''' | |
| 2332 d = Class.getprops(self, protected=protected).copy() | |
| 2333 d['content'] = hyperdb.String() | |
| 2334 return d | |
| 2335 | |
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2336 def set(self, itemid, **propvalues): |
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2337 ''' Snarf the "content" propvalue and update it in a file |
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2338 ''' |
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2339 self.fireAuditors('set', itemid, propvalues) |
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2340 oldvalues = copy.deepcopy(self.db.getnode(self.classname, itemid)) |
| 1165 | 2341 |
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2342 # now remove the content property so it's not stored in the db |
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2343 content = None |
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2344 if propvalues.has_key('content'): |
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2345 content = propvalues['content'] |
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2346 del propvalues['content'] |
| 1165 | 2347 |
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2348 # do the database create |
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2349 propvalues = self.set_inner(itemid, **propvalues) |
| 1165 | 2350 |
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2351 # do content? |
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2352 if content: |
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2353 # store and index |
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2354 self.db.storefile(self.classname, itemid, None, content) |
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2355 mime_type = propvalues.get('type', self.get(itemid, 'type')) |
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2356 if not mime_type: |
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2357 mime_type = self.default_mime_type |
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2358 self.db.indexer.add_text((self.classname, itemid, 'content'), |
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2359 content, mime_type) |
| 1165 | 2360 |
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2361 # fire reactors |
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2362 self.fireReactors('set', itemid, oldvalues) |
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2363 return propvalues |
| 1165 | 2364 |
| 2365 # XXX deviation from spec - was called ItemClass | |
| 2366 class IssueClass(Class, roundupdb.IssueClass): | |
| 2367 # Overridden methods: | |
| 2368 def __init__(self, db, classname, **properties): | |
| 2369 '''The newly-created class automatically includes the "messages", | |
| 2370 "files", "nosy", and "superseder" properties. If the 'properties' | |
| 2371 dictionary attempts to specify any of these properties or a | |
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2372 "creation", "creator", "activity" or "actor" property, a ValueError |
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2373 is raised. |
| 1165 | 2374 ''' |
| 2375 if not properties.has_key('title'): | |
| 2376 properties['title'] = hyperdb.String(indexme='yes') | |
| 2377 if not properties.has_key('messages'): | |
| 2378 properties['messages'] = hyperdb.Multilink("msg") | |
| 2379 if not properties.has_key('files'): | |
| 2380 properties['files'] = hyperdb.Multilink("file") | |
| 2381 if not properties.has_key('nosy'): | |
| 2382 # note: journalling is turned off as it really just wastes | |
| 2383 # space. this behaviour may be overridden in an instance | |
| 2384 properties['nosy'] = hyperdb.Multilink("user", do_journal="no") | |
| 2385 if not properties.has_key('superseder'): | |
| 2386 properties['superseder'] = hyperdb.Multilink(classname) | |
| 2387 Class.__init__(self, db, classname, **properties) | |
| 2388 |