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annotate frontends/ZRoundup/ZRoundup.py @ 4344:85b00a3820b3

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Fix thread safety with stdin in roundup-server
author Richard Jones <richard@users.sourceforge.net>
date Tue, 02 Feb 2010 05:00:42 +0000
parents 41d297d7dcec
children 6e3e4f24c753
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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 1.23 2008-02-07 01:03:39 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 def start_response(self, headers, response):
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71 self.send_response(response)
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72 for key, value in headers:
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73 self.send_header(key, value)
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74 self.end_headers()
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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.value = self.value.read()
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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 entry = self.__form[item]
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92 if isinstance(entry, type([])):
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93 entry = map(FormItem, entry)
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94 else:
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95 entry = FormItem(entry)
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96 return entry
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97 def __iter__(self):
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98 return iter(self.__form)
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99 def getvalue(self, key, default=None):
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100 if self.__form.has_key(key):
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101 return self.__form[key]
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102 else:
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103 return default
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104 def has_key(self, item):
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105 return self.__form.has_key(item)
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106 def keys(self):
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107 return self.__form.keys()
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108
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109 def __repr__(self):
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110 return '<ZRoundup.FormWrapper %r>'%self.__form
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111
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112 class ZRoundup(Item, PropertyManager, Implicit, Persistent):
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113 '''An instance of this class provides an interface between Zope and
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114 roundup for one roundup instance
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115 '''
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116 meta_type = 'Z Roundup'
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117 security = ClassSecurityInfo()
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118
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119 def __init__(self, id, instance_home):
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120 self.id = id
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121 self.instance_home = instance_home
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122
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123 # define the properties that define this object
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124 _properties = (
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125 {'id':'id', 'type': 'string', 'mode': 'w'},
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126 {'id':'instance_home', 'type': 'string', 'mode': 'w'},
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127 )
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128 property_extensible_schema__ = 0
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129
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130 # define the tabs for the management interface
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131 manage_options= PropertyManager.manage_options + (
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132 {'label': 'View', 'action':'index_html'},
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133 ) + Item.manage_options
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134
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135 icon = "misc_/ZRoundup/icon"
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136
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137 security.declarePrivate('roundup_opendb')
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138 def roundup_opendb(self):
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139 '''Open the roundup instance database for a transaction.
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140 '''
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141 tracker = roundup.instance.open(self.instance_home)
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142 request = RequestWrapper(self.REQUEST['RESPONSE'])
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143 env = self.REQUEST.environ
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144
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145 # figure out the path components to set
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146 url = urlparse.urlparse( self.absolute_url() )
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147 path = url[2]
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148 path_components = path.split( '/' )
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149
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150 # special case when roundup is '/' in this virtual host,
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151 if path == "/" :
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152 env['SCRIPT_NAME'] = "/"
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153 env['TRACKER_NAME'] = ''
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154 else :
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155 # all but the last element is the path
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156 env['SCRIPT_NAME'] = '/'.join( path_components[:-1] )
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157 # the last element is the name
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158 env['TRACKER_NAME'] = path_components[-1]
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159
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160 form = FormWrapper(self.REQUEST.form)
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161 if hasattr(tracker, 'Client'):
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162 return tracker.Client(tracker, request, env, form)
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163 return client.Client(tracker, request, env, form)
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164
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165 security.declareProtected('View', 'index_html')
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166 def index_html(self):
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167 '''Alias index_html to roundup's index
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168 '''
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169 # Redirect misdirected requests -- bugs 558867 , 565992
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170 # PATH_INFO, as defined by the CGI spec, has the *real* request path
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171 orig_path = self.REQUEST.environ['PATH_INFO']
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172 if orig_path[-1] != '/' :
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173 url = urlparse.urlparse( self.absolute_url() )
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174 url = list( url ) # make mutable
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175 url[2] = url[2]+'/' # patch
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176 url = urlparse.urlunparse( url ) # reassemble
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177 RESPONSE = self.REQUEST.RESPONSE
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178 RESPONSE.setStatus( "MovedPermanently" ) # 301
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179 RESPONSE.setHeader( "Location" , url )
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180 return RESPONSE
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181
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182 client = self.roundup_opendb()
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183 # fake the path that roundup should use
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184 client.split_path = ['index']
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185 return client.main()
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186
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187 def __getitem__(self, item):
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188 '''All other URL accesses are passed throuh to roundup
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189 '''
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190 return PathElement(self, item).__of__(self)
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191
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192 class PathElement(Item, Implicit):
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193 def __init__(self, zr, path):
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194 self.zr = zr
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195 self.path = path
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196
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197 def __getitem__(self, item):
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198 ''' Get a subitem.
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199 '''
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200 return PathElement(self.zr, self.path + '/' + item).__of__(self)
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201
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202 def index_html(self, REQUEST=None):
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203 ''' Actually call through to roundup to handle the request.
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204 '''
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205 try:
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206 client = self.zr.roundup_opendb()
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207 # fake the path that roundup should use
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208 client.path = self.path
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209 # and call roundup to do something
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210 client.main()
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211 return ''
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212 except client.NotFound:
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213 raise 'NotFound', REQUEST.URL
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214 pass
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215 except:
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216 import traceback
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217 traceback.print_exc()
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218 # all other exceptions in roundup are valid
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219 raise
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220
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221 InitializeClass(ZRoundup)
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222 modulesecurity.apply(globals())
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223
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224
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225 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/