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annotate frontends/ZRoundup/ZRoundup.py @ 2633:a9e1fff1e793

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I thought I committed this last night. Ho hum. - This implements most of the rest of the new tracker config layout: - dbinit.py split between schema.py and initial_data.py - interfaces.py gone - tracker and detectors __init__.py gone - Added some missing functionality to backends: db_exists test and db_nuke. - Implemented configuration file options in postgresql backend. - Cleaned up tracker initialisation a lot.
author Richard Jones <richard@users.sourceforge.net>
date Tue, 27 Jul 2004 00:57:19 +0000
parents 7cf56f5b3991
children 908c27314abf
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1 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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2 # This module is free software, and you may redistribute it and/or modify
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3 # under the same terms as Python, so long as this copyright message and
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4 # disclaimer are retained in their original form.
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5 #
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6 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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7 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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8 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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9 # POSSIBILITY OF SUCH DAMAGE.
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10 #
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11 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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12 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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13 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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14 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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15 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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16 #
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17 # $Id: ZRoundup.py,v 1.19 2004-07-27 00:57:17 richard Exp $
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18 #
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19 ''' ZRoundup module - exposes the roundup web interface to Zope
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20
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21 This frontend works by providing a thin layer that sits between Zope and the
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22 regular CGI interface of roundup, providing the web frontend with the minimum
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23 of effort.
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24
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25 This means that the regular CGI interface does all authentication quite
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26 independently of Zope. The roundup code is kept in memory though, and it
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27 runs in the same server as all your other Zope stuff, so it does have _some_
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28 advantages over regular CGI :)
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29 '''
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30
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31 import urlparse
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32
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33 from Globals import InitializeClass, HTMLFile
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34 from OFS.SimpleItem import Item
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35 from OFS.PropertyManager import PropertyManager
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36 from Acquisition import Explicit, Implicit
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37 from Persistence import Persistent
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38 from AccessControl import ClassSecurityInfo
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39 from AccessControl import ModuleSecurityInfo
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40 modulesecurity = ModuleSecurityInfo()
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41
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42 import roundup.instance
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43 from roundup.cgi import client
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44
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45 modulesecurity.declareProtected('View management screens',
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46 'manage_addZRoundupForm')
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47 manage_addZRoundupForm = HTMLFile('dtml/manage_addZRoundupForm', globals())
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48
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49 modulesecurity.declareProtected('Add Z Roundups', 'manage_addZRoundup')
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50 def manage_addZRoundup(self, id, instance_home, REQUEST):
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51 """Add a ZRoundup product """
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52 # validate the instance_home
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53 roundup.instance.open(instance_home)
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54 self._setObject(id, ZRoundup(id, instance_home))
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55 return self.manage_main(self, REQUEST)
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56
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57 class RequestWrapper:
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58 '''Make the Zope RESPONSE look like a BaseHTTPServer
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59 '''
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60 def __init__(self, RESPONSE):
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61 self.RESPONSE = RESPONSE
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62 self.wfile = self.RESPONSE
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63 def send_response(self, status):
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64 self.RESPONSE.setStatus(status)
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65 def send_header(self, header, value):
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66 self.RESPONSE.addHeader(header, value)
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67 def end_headers(self):
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68 # not needed - the RESPONSE object handles this internally on write()
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69 pass
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70
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71 class FormItem:
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72 '''Make a Zope form item look like a cgi.py one
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73 '''
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74 def __init__(self, value):
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75 self.value = value
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76 if hasattr(self.value, 'filename'):
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77 self.filename = self.value.filename
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78 self.file = self.value
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79
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80 class FormWrapper:
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81 '''Make a Zope form dict look like a cgi.py one
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82 '''
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83 def __init__(self, form):
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84 self.form = form
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85 self.value = []
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86 def __getitem__(self, item):
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87 for entry in self.value:
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88 if entry.name == item:
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89 return entry
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90 entry = self.form[item]
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91 if isinstance(entry, type([])):
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92 entry = map(FormItem, entry)
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93 else:
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94 entry = FormItem(entry)
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95 return entry
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96 def getvalue(self, key, default=None):
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97 if self.form.has_key(key):
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98 return self.form[key]
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99 else:
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100 return default
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101 def has_key(self, item):
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102 for entry in self.value:
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103 if entry.name == item:
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104 return 1
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105 return self.form.has_key(item)
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106 def keys(self):
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107 l = [e.name for e in self.value]
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108 for name in self.form.keys():
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109 if name not in l:
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110 l.append(name)
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111 return l
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112
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113 class ZRoundup(Item, PropertyManager, Implicit, Persistent):
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114 '''An instance of this class provides an interface between Zope and
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115 roundup for one roundup instance
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116 '''
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117 meta_type = 'Z Roundup'
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118 security = ClassSecurityInfo()
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119
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120 def __init__(self, id, instance_home):
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121 self.id = id
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122 self.instance_home = instance_home
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123
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124 # define the properties that define this object
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125 _properties = (
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126 {'id':'id', 'type': 'string', 'mode': 'w'},
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127 {'id':'instance_home', 'type': 'string', 'mode': 'w'},
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128 )
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129 property_extensible_schema__ = 0
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130
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131 # define the tabs for the management interface
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132 manage_options= PropertyManager.manage_options + (
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133 {'label': 'View', 'action':'index_html'},
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134 ) + Item.manage_options
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135
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136 icon = "misc_/ZRoundup/icon"
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137
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138 security.declarePrivate('roundup_opendb')
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139 def roundup_opendb(self):
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140 '''Open the roundup instance database for a transaction.
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141 '''
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142 tracker = roundup.instance.open(self.instance_home)
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143 request = RequestWrapper(self.REQUEST['RESPONSE'])
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144 env = self.REQUEST.environ
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145
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146 # figure out the path components to set
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147 url = urlparse.urlparse( self.absolute_url() )
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148 path = url[2]
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149 path_components = path.split( '/' )
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150
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151 # special case when roundup is '/' in this virtual host,
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152 if path == "/" :
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153 env['SCRIPT_NAME'] = "/"
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154 env['TRACKER_NAME'] = ''
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155 else :
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156 # all but the last element is the path
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157 env['SCRIPT_NAME'] = '/'.join( path_components[:-1] )
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158 # the last element is the name
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159 env['TRACKER_NAME'] = path_components[-1]
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160
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161 form = FormWrapper(self.REQUEST.form)
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162 if hasattr(tracker, 'Client'):
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163 return tracker.Client(tracker, request, env, form)
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164 return client.Client(tracker, request, env, form)
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165
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166 security.declareProtected('View', 'index_html')
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167 def index_html(self):
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168 '''Alias index_html to roundup's index
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169 '''
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170 # Redirect misdirected requests -- bugs 558867 , 565992
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171 # PATH_INFO, as defined by the CGI spec, has the *real* request path
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172 orig_path = self.REQUEST.environ['PATH_INFO']
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173 if orig_path[-1] != '/' :
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174 url = urlparse.urlparse( self.absolute_url() )
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175 url = list( url ) # make mutable
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176 url[2] = url[2]+'/' # patch
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177 url = urlparse.urlunparse( url ) # reassemble
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178 RESPONSE = self.REQUEST.RESPONSE
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179 RESPONSE.setStatus( "MovedPermanently" ) # 301
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180 RESPONSE.setHeader( "Location" , url )
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181 return RESPONSE
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182
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183 client = self.roundup_opendb()
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184 # fake the path that roundup should use
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185 client.split_path = ['index']
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186 return client.main()
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187
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188 def __getitem__(self, item):
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189 '''All other URL accesses are passed throuh to roundup
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190 '''
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191 return PathElement(self, item).__of__(self)
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192
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193 class PathElement(Item, Implicit):
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194 def __init__(self, zr, path):
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195 self.zr = zr
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196 self.path = path
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197
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198 def __getitem__(self, item):
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199 ''' Get a subitem.
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200 '''
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201 return PathElement(self.zr, self.path + '/' + item).__of__(self)
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202
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203 def index_html(self, REQUEST=None):
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204 ''' Actually call through to roundup to handle the request.
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205 '''
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206 try:
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207 client = self.zr.roundup_opendb()
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208 # fake the path that roundup should use
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209 client.path = self.path
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210 # and call roundup to do something
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211 client.main()
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212 return ''
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213 except client.NotFound:
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214 raise 'NotFound', REQUEST.URL
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215 pass
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216 except:
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217 import traceback
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218 traceback.print_exc()
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219 # all other exceptions in roundup are valid
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220 raise
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221
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222 InitializeClass(ZRoundup)
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223 modulesecurity.apply(globals())
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224
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225
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226 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/