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annotate frontends/ZRoundup/ZRoundup.py @ 1029:c3e391d9c4e9

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more FieldStorage fun
author Richard Jones <richard@users.sourceforge.net>
date Tue, 03 Sep 2002 07:42:38 +0000
parents b7f38cc4680a
children 1fd27db1493b
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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 1.9 2002-07-04 01:25:22 dman13 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 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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48 from roundup import cgi_client
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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('_opendb')
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123 def _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['INSTANCE_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['INSTANCE_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 = self.REQUEST.form
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153 if form.has_key( '__note' ) :
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154 form['__note'] = form['__note'].replace( '\r' , '' )
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155 form = FormWrapper(form)
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156
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157 return instance.Client(instance, request, env, form)
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158
768
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159
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160 security.declareProtected('View', 'index_html')
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161 def index_html(self):
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162 '''Alias index_html to roundup's index
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163 '''
768
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164
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165 # Redirect misdirected requests -- bugs 558867 , 565992
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166
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167 # PATH_INFO, as defined by the CGI spec, has the *real* request path
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168 orig_path = self.REQUEST.environ[ 'PATH_INFO' ]
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169 if orig_path[-1] != '/' :
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170 url = urlparse.urlparse( self.absolute_url() )
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171 url = list( url ) # make mutable
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172 url[2] = url[2]+'/' # patch
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173 url = urlparse.urlunparse( url ) # reassemble
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174 RESPONSE = self.REQUEST.RESPONSE
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175 RESPONSE.setStatus( "MovedPermanently" ) # 301
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176 RESPONSE.setHeader( "Location" , url )
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177 return RESPONSE
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178
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179 client = self._opendb()
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180 # fake the path that roundup should use
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181 client.split_path = ['index']
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182 return client.main()
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183
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184 def __getitem__(self, item):
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185 '''All other URL accesses are passed throuh to roundup
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186 '''
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187 try:
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188 client = self._opendb()
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189 # fake the path that roundup should use
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190 client.split_path = [item]
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191 # and call roundup to do something
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192 client.main()
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193 return ''
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194 except cgi_client.NotFound:
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195 raise 'NotFound', self.REQUEST.URL
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196 pass
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197 except:
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198 import traceback
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199 traceback.print_exc()
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200 # all other exceptions in roundup are valid
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201 raise
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202 raise KeyError, item
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203
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204
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205 InitializeClass(ZRoundup)
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206 modulesecurity.apply(globals())
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207
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208
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209 #
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210 # $Log: not supported by cvs2svn $
808
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211 # Revision 1.8 2002/06/16 01:01:42 dman13
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212 # remove CR characters embedded in messages (ZRoundup)
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213 #
771
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214 # Revision 1.7 2002/06/14 01:25:46 dman13
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215 # Fixed bug #558867 by redirecting /instance requests to /instance/
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216 #
768
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217 # Revision 1.6 2002/06/12 00:59:44 dman13
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218 # Fixed the logic for determing the cookie path. (Closes #562130.)
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219 #
765
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220 # Revision 1.5 2002/05/14 23:36:25 richard
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221 # . fixed SCRIPT_NAME in ZRoundup for instances not at top level of Zope
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222 # (thanks dman)
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223 #
717
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224 # Revision 1.4 2002/01/10 03:38:16 richard
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225 # reformatting for 80 cols
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226 #
506
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227 # Revision 1.3 2001/12/12 23:55:00 richard
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228 # Fixed some problems with user editing
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229 #
448
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230 # Revision 1.2 2001/12/12 23:33:58 richard
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231 # added some implementation notes
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232 #
447
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233 # Revision 1.1 2001/12/12 23:27:13 richard
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234 # Added a Zope frontend for roundup.
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235 #
446
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236 #
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237 #
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238 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/