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annotate frontends/ZRoundup/ZRoundup.py @ 2600:f25ff5a05abd

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anydbm fixes: - Remove duplicate call to indexer - Remove defaulting of props to None unnecessarily -- masks get() with default values.
author Richard Jones <richard@users.sourceforge.net>
date Tue, 20 Jul 2004 07:26:40 +0000
parents f5c804379c85
children 39a27b4e3296 7cf56f5b3991
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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 1.17 2003-11-12 01:00:58 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
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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.client import NotFound
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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 def __getitem__(self, item):
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86 return FormItem(self.form[item])
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87 def has_key(self, item):
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88 return self.form.has_key(item)
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89 def keys(self):
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90 return self.form.keys()
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91
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92 class ZRoundup(Item, PropertyManager, Implicit, Persistent):
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93 '''An instance of this class provides an interface between Zope and
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94 roundup for one roundup instance
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95 '''
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96 meta_type = 'Z Roundup'
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97 security = ClassSecurityInfo()
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98
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99 def __init__(self, id, instance_home):
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100 self.id = id
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101 self.instance_home = instance_home
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102
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103 # define the properties that define this object
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104 _properties = (
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105 {'id':'id', 'type': 'string', 'mode': 'w'},
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106 {'id':'instance_home', 'type': 'string', 'mode': 'w'},
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107 )
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108 property_extensible_schema__ = 0
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109
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110 # define the tabs for the management interface
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111 manage_options= PropertyManager.manage_options + (
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112 {'label': 'View', 'action':'index_html'},
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113 ) + Item.manage_options
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114
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115 icon = "misc_/ZRoundup/icon"
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116
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117 security.declarePrivate('roundup_opendb')
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118 def roundup_opendb(self):
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119 '''Open the roundup instance database for a transaction.
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120 '''
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121 instance = roundup.instance.open(self.instance_home)
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122 request = RequestWrapper(self.REQUEST['RESPONSE'])
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123 env = self.REQUEST.environ
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124
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125 # figure out the path components to set
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126 url = urlparse.urlparse( self.absolute_url() )
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127 path = url[2]
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128 path_components = path.split( '/' )
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129
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130 # special case when roundup is '/' in this virtual host,
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131 if path == "/" :
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132 env['SCRIPT_NAME'] = "/"
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133 env['TRACKER_NAME'] = ''
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134 else :
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135 # all but the last element is the path
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136 env['SCRIPT_NAME'] = '/'.join( path_components[:-1] )
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137 # the last element is the name
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138 env['TRACKER_NAME'] = path_components[-1]
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139
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140 form = FormWrapper(self.REQUEST.form)
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141 return instance.Client(instance, request, env, form)
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142
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143 security.declareProtected('View', 'index_html')
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144 def index_html(self):
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145 '''Alias index_html to roundup's index
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146 '''
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147 # Redirect misdirected requests -- bugs 558867 , 565992
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148 # PATH_INFO, as defined by the CGI spec, has the *real* request path
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149 orig_path = self.REQUEST.environ['PATH_INFO']
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150 if orig_path[-1] != '/' :
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151 url = urlparse.urlparse( self.absolute_url() )
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152 url = list( url ) # make mutable
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153 url[2] = url[2]+'/' # patch
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154 url = urlparse.urlunparse( url ) # reassemble
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155 RESPONSE = self.REQUEST.RESPONSE
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156 RESPONSE.setStatus( "MovedPermanently" ) # 301
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157 RESPONSE.setHeader( "Location" , url )
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158 return RESPONSE
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159
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160 client = self.roundup_opendb()
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161 # fake the path that roundup should use
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162 client.split_path = ['index']
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163 return client.main()
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164
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165 def __getitem__(self, item):
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166 '''All other URL accesses are passed throuh to roundup
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167 '''
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168 return PathElement(self, item).__of__(self)
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169
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170 class PathElement(Item, Implicit):
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171 def __init__(self, zr, path):
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172 self.zr = zr
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173 self.path = path
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174
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175 def __getitem__(self, item):
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176 ''' Get a subitem.
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177 '''
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178 return PathElement(self.zr, self.path + '/' + item).__of__(self)
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179
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180 def index_html(self, REQUEST=None):
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181 ''' Actually call through to roundup to handle the request.
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182 '''
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183 try:
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184 client = self.zr.roundup_opendb()
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185 # fake the path that roundup should use
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186 client.path = self.path
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187 # and call roundup to do something
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188 client.main()
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189 return ''
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190 except NotFound:
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191 raise 'NotFound', REQUEST.URL
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192 pass
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193 except:
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194 import traceback
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195 traceback.print_exc()
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196 # all other exceptions in roundup are valid
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197 raise
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198
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199 InitializeClass(ZRoundup)
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200 modulesecurity.apply(globals())
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201
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202
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203 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/