Mercurial > p > roundup > code

annotate frontends/ZRoundup/ZRoundup.py @ 7021:4e25815961a7

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flake8: remove trailing whitespace; blank lines for definitions E305 expected 2 blank lines after class or function definition, found 1 E306 expected 1 blank line before a nested definition, found 0 W291 trailing whitespace
author John Rouillard <rouilj@ieee.org>
date Sun, 09 Oct 2022 17:30:47 -0400
parents 88dbacd11cd1
children fed0f839c260
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 ''' ZRoundup module - exposes the roundup web interface to Zope
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18
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19 This frontend works by providing a thin layer that sits between Zope and the
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20 regular CGI interface of roundup, providing the web frontend with the minimum
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21 of effort.
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22
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23 This means that the regular CGI interface does all authentication quite
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24 independently of Zope. The roundup code is kept in memory though, and it
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25 runs in the same server as all your other Zope stuff, so it does have _some_
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26 advantages over regular CGI :)
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27 '''
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28
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29 from roundup.anypy import urllib_
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30
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31 from Globals import InitializeClass, HTMLFile
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32 from OFS.SimpleItem import Item
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33 from OFS.PropertyManager import PropertyManager
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34 from Acquisition import Explicit, Implicit
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35 from Persistence import Persistent
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36 from AccessControl import ClassSecurityInfo
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37 from AccessControl import ModuleSecurityInfo
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38 modulesecurity = ModuleSecurityInfo()
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39
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40 import roundup.instance
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41 from roundup.cgi import client
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42
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43 modulesecurity.declareProtected('View management screens',
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44 'manage_addZRoundupForm')
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45 manage_addZRoundupForm = HTMLFile('dtml/manage_addZRoundupForm', globals())
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46
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47 modulesecurity.declareProtected('Add Z Roundups', 'manage_addZRoundup')
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48 def manage_addZRoundup(self, id, instance_home, REQUEST):
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49 """Add a ZRoundup product """
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50 # validate the instance_home
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51 roundup.instance.open(instance_home)
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52 self._setObject(id, ZRoundup(id, instance_home))
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53 return self.manage_main(self, REQUEST)
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54
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55 class RequestWrapper:
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56 '''Make the Zope RESPONSE look like a BaseHTTPServer
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57 '''
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58 def __init__(self, RESPONSE):
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59 self.RESPONSE = RESPONSE
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60 self.wfile = self.RESPONSE
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61 def send_response(self, status):
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62 self.RESPONSE.setStatus(status)
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63 def send_header(self, header, value):
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64 self.RESPONSE.addHeader(header, value)
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65 def end_headers(self):
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66 # not needed - the RESPONSE object handles this internally on write()
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67 pass
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68 def start_response(self, headers, response):
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69 self.send_response(response)
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70 for key, value in headers:
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71 self.send_header(key, value)
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72 self.end_headers()
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73
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74 class FormItem:
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75 '''Make a Zope form item look like a cgi.py one
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76 '''
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77 def __init__(self, value):
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78 self.value = value
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79 if hasattr(self.value, 'filename'):
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80 self.filename = self.value.filename
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81 self.value = self.value.read()
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82
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83 class FormWrapper:
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84 '''Make a Zope form dict look like a cgi.py one
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85 '''
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86 def __init__(self, form):
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87 self.__form = form
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88 def __getitem__(self, item):
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89 entry = self.__form[item]
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90 if isinstance(entry, type([])):
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91 entry = list(map(FormItem, entry))
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92 else:
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93 entry = FormItem(entry)
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94 return entry
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95 def __iter__(self):
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96 return iter(self.__form)
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97 def getvalue(self, key, default=None):
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98 if key in self.__form:
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99 return self.__form[key]
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100 else:
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101 return default
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102 def has_key(self, item):
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103 return item in self.__form
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104 def keys(self):
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105 return list(self.__form.keys())
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106
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107 def __repr__(self):
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108 return '<ZRoundup.FormWrapper %r>'%self.__form
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109
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110 class ZRoundup(Item, PropertyManager, Implicit, Persistent):
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111 '''An instance of this class provides an interface between Zope and
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112 roundup for one roundup instance
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113 '''
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114 meta_type = 'Z Roundup'
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115 security = ClassSecurityInfo()
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116
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117 def __init__(self, id, instance_home):
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118 self.id = id
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119 self.instance_home = instance_home
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120
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121 # define the properties that define this object
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122 _properties = (
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123 {'id':'id', 'type': 'string', 'mode': 'w'},
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124 {'id':'instance_home', 'type': 'string', 'mode': 'w'},
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125 )
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126 property_extensible_schema__ = 0
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127
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128 # define the tabs for the management interface
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129 manage_options= PropertyManager.manage_options + (
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130 {'label': 'View', 'action':'index_html'},
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131 ) + Item.manage_options
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132
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133 icon = "misc_/ZRoundup/icon"
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134
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135 security.declarePrivate('roundup_opendb')
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136 def roundup_opendb(self):
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137 '''Open the roundup instance database for a transaction.
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138 '''
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139 tracker = roundup.instance.open(self.instance_home)
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140 request = RequestWrapper(self.REQUEST['RESPONSE'])
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141 env = self.REQUEST.environ
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142
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143 # figure out the path components to set
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144 url = urllib_.urlparse( self.absolute_url() )
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145 path = url[2]
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146 path_components = path.split( '/' )
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147
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148 # special case when roundup is '/' in this virtual host,
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149 if path == "/" :
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150 env['SCRIPT_NAME'] = "/"
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151 env['TRACKER_NAME'] = ''
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152 else :
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153 # all but the last element is the path
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154 env['SCRIPT_NAME'] = '/'.join( path_components[:-1] )
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155 # the last element is the name
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156 env['TRACKER_NAME'] = path_components[-1]
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157
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158 form = FormWrapper(self.REQUEST.form)
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159 if hasattr(tracker, 'Client'):
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160 return tracker.Client(tracker, request, env, form)
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161 return client.Client(tracker, request, env, form)
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162
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163 security.declareProtected('View', 'index_html')
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164 def index_html(self):
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165 '''Alias index_html to roundup's index
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166 '''
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167 # Redirect misdirected requests -- bugs 558867 , 565992
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168 # PATH_INFO, as defined by the CGI spec, has the *real* request path
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169 orig_path = self.REQUEST.environ['PATH_INFO']
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170 if orig_path[-1] != '/' :
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171 url = urllib_.urlparse( self.absolute_url() )
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172 url = list( url ) # make mutable
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173 url[2] = url[2]+'/' # patch
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174 url = urllib_.urlunparse( url ) # reassemble
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175 RESPONSE = self.REQUEST.RESPONSE
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176 RESPONSE.setStatus( "MovedPermanently" ) # 301
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177 RESPONSE.setHeader( "Location" , url )
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178 return RESPONSE
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179
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180 client = self.roundup_opendb()
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181 # fake the path that roundup should use
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182 client.split_path = ['index']
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183 return client.main()
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184
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185 def __getitem__(self, item):
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186 '''All other URL accesses are passed throuh to roundup
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187 '''
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188 return PathElement(self, item).__of__(self)
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189
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190 class PathElement(Item, Implicit):
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191 def __init__(self, zr, path):
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192 self.zr = zr
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193 self.path = path
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194
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195 def __getitem__(self, item):
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196 ''' Get a subitem.
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197 '''
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198 return PathElement(self.zr, self.path + '/' + item).__of__(self)
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199
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200 def index_html(self, REQUEST=None):
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201 ''' Actually call through to roundup to handle the request.
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202 '''
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203 try:
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204 client = self.zr.roundup_opendb()
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205 # fake the path that roundup should use
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206 client.path = self.path
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207 # and call roundup to do something
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208 client.main()
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209 return ''
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210 except client.NotFound:
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211 raise Exception('NotFound ' + REQUEST.URL)
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212 pass
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213 except:
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214 import traceback
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215 traceback.print_exc()
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216 # all other exceptions in roundup are valid
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217 raise
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218
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219 InitializeClass(ZRoundup)
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220 modulesecurity.apply(globals())
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221
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222
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223 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/