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annotate frontends/ZRoundup/ZRoundup.py @ 1677:d4e615fcbe04

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Made subject_re an attribute of MailGW... ...so that it can be easily overridden in an instance's interfaces.MailGW, and wrote subject_re as a re.VERBOSE, with a couple of comments.
author Jean Jordaan <neaj@users.sourceforge.net>
date Mon, 23 Jun 2003 08:37:15 +0000
parents bf8b2380adb3
children f5c804379c85
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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 1.16 2002-10-18 03:34:58 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 It also means that any requests which specify :filter, :columns or :sort
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31 _must_ be done using a GET, so that this interface can re-parse the
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32 QUERY_STRING. Zope interprets the ':' as a special character, and the special
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33 args are lost to it.
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34 '''
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35
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36 import urlparse
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37
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38 from Globals import InitializeClass, HTMLFile
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39 from OFS.SimpleItem import Item
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40 from OFS.PropertyManager import PropertyManager
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41 from Acquisition import Explicit, Implicit
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42 from Persistence import Persistent
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43 from AccessControl import ClassSecurityInfo
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44 from AccessControl import ModuleSecurityInfo
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45 modulesecurity = ModuleSecurityInfo()
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46
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47 import roundup.instance
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34297f4c8789 *** empty log message ***
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48 from roundup.cgi.client import NotFound
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49
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50 modulesecurity.declareProtected('View management screens',
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51 'manage_addZRoundupForm')
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52 manage_addZRoundupForm = HTMLFile('dtml/manage_addZRoundupForm', globals())
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53
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54 modulesecurity.declareProtected('Add Z Roundups', 'manage_addZRoundup')
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55 def manage_addZRoundup(self, id, instance_home, REQUEST):
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56 """Add a ZRoundup product """
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57 # validate the instance_home
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58 roundup.instance.open(instance_home)
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59 self._setObject(id, ZRoundup(id, instance_home))
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60 return self.manage_main(self, REQUEST)
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61
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62 class RequestWrapper:
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63 '''Make the Zope RESPONSE look like a BaseHTTPServer
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64 '''
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65 def __init__(self, RESPONSE):
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66 self.RESPONSE = RESPONSE
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67 self.wfile = self.RESPONSE
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68 def send_response(self, status):
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69 self.RESPONSE.setStatus(status)
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70 def send_header(self, header, value):
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71 self.RESPONSE.addHeader(header, value)
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72 def end_headers(self):
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73 # not needed - the RESPONSE object handles this internally on write()
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74 pass
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75
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76 class FormItem:
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77 '''Make a Zope form item look like a cgi.py one
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78 '''
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79 def __init__(self, value):
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80 self.value = value
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81 if hasattr(self.value, 'filename'):
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82 self.filename = self.value.filename
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83 self.file = self.value
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84
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85 class FormWrapper:
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86 '''Make a Zope form dict look like a cgi.py one
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87 '''
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88 def __init__(self, form):
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89 self.form = form
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90 def __getitem__(self, item):
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91 return FormItem(self.form[item])
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92 def has_key(self, item):
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93 return self.form.has_key(item)
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94 def keys(self):
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95 return self.form.keys()
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96
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97 class ZRoundup(Item, PropertyManager, Implicit, Persistent):
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98 '''An instance of this class provides an interface between Zope and
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99 roundup for one roundup instance
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100 '''
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101 meta_type = 'Z Roundup'
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102 security = ClassSecurityInfo()
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103
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104 def __init__(self, id, instance_home):
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105 self.id = id
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106 self.instance_home = instance_home
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107
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108 # define the properties that define this object
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109 _properties = (
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110 {'id':'id', 'type': 'string', 'mode': 'w'},
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111 {'id':'instance_home', 'type': 'string', 'mode': 'w'},
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112 )
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113 property_extensible_schema__ = 0
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114
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115 # define the tabs for the management interface
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116 manage_options= PropertyManager.manage_options + (
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117 {'label': 'View', 'action':'index_html'},
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118 ) + Item.manage_options
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119
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120 icon = "misc_/ZRoundup/icon"
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121
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122 security.declarePrivate('roundup_opendb')
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123 def roundup_opendb(self):
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124 '''Open the roundup instance database for a transaction.
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125 '''
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126 instance = roundup.instance.open(self.instance_home)
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127 request = RequestWrapper(self.REQUEST['RESPONSE'])
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128 env = self.REQUEST.environ
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129
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130 # figure out the path components to set
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131 url = urlparse.urlparse( self.absolute_url() )
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132 path = url[2]
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133 path_components = path.split( '/' )
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134
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135 # special case when roundup is '/' in this virtual host,
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136 if path == "/" :
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137 env['SCRIPT_NAME'] = "/"
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138 env['TRACKER_NAME'] = ''
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139 else :
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140 # all but the last element is the path
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141 env['SCRIPT_NAME'] = '/'.join( path_components[:-1] )
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142 # the last element is the name
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143 env['TRACKER_NAME'] = path_components[-1]
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144
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145 if env['REQUEST_METHOD'] == 'GET':
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146 # force roundup to re-parse the request because Zope fiddles
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147 # with it and we lose all the :filter, :columns, etc goodness
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148 form = None
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149 else:
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150 # For some reason, CRs are embeded in multiline notes.
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151 # It doesn't occur with apache/roundup.cgi, though.
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152 form = FormWrapper(self.REQUEST.form)
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153
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154 print (env['SCRIPT_NAME'], env['PATH_INFO'])
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155 return instance.Client(instance, request, env, form)
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156
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157 security.declareProtected('View', 'index_html')
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158 def index_html(self):
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159 '''Alias index_html to roundup's index
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160 '''
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161 # Redirect misdirected requests -- bugs 558867 , 565992
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162 # PATH_INFO, as defined by the CGI spec, has the *real* request path
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163 orig_path = self.REQUEST.environ[ 'PATH_INFO' ]
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164 if orig_path[-1] != '/' :
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165 url = urlparse.urlparse( self.absolute_url() )
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166 url = list( url ) # make mutable
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167 url[2] = url[2]+'/' # patch
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168 url = urlparse.urlunparse( url ) # reassemble
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169 RESPONSE = self.REQUEST.RESPONSE
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170 RESPONSE.setStatus( "MovedPermanently" ) # 301
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171 RESPONSE.setHeader( "Location" , url )
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172 return RESPONSE
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173
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174 client = self.roundup_opendb()
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175 # fake the path that roundup should use
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176 client.split_path = ['index']
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177 return client.main()
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178
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179 def __getitem__(self, item):
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180 '''All other URL accesses are passed throuh to roundup
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181 '''
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182 return PathElement(self, item)
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183
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184 class PathElement(Item, Implicit, Persistent):
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185 def __init__(self, parent, path):
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186 self.parent = parent
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187 self.path = path
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188
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189 def __getitem__(self, item):
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190 ''' Get a subitem.
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191 '''
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192 return PathElement(self.path + '/' + item)
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193
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194 def __call__(self, *args, **kw):
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195 ''' Actually call through to roundup to handle the request.
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196 '''
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197 print '*****', self.path
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198 try:
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199 client = self.parent.roundup_opendb()
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200 # fake the path that roundup should use
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201 client.path = self.path
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202 # and call roundup to do something
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203 client.main()
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204 return ''
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205 except NotFound:
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206 raise 'NotFound', self.REQUEST.URL
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207 pass
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208 except:
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209 import traceback
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210 traceback.print_exc()
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211 # all other exceptions in roundup are valid
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212 raise
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213
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214 InitializeClass(ZRoundup)
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215 modulesecurity.apply(globals())
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216
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217
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218 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/