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annotate roundup/cgi/apache.py @ 7836:219fc5804345

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issue2551270 - Better templating support for JavaScript Add (templating) utils.readfile(file, optional=False) and utils.expandfile(file, token_dict=None, optional=False). Allows reading an external file (e.g. JavaScript) and inserting it using tal:contents or equivalent jinja function. expandfile allows setting a dictionary and tokens in the file of the form "%(token_name)s" will be replaced in the file with the values from the dict. See method doc blocks or reference.txt for more info. Also reordered table in references.txt to be case sensitive alphabetic. Added a paragraph on using python's help() to get method/function/... documention blocks. in templating.py _find method. Added explicit return None calls to all code paths. Also added internationalization method to the TemplatingUtils class. Fixed use of 'property' hiding python builtin of same name. Added tests for new TemplatingUtils framework to use for testing existing utils.
author John Rouillard <rouilj@ieee.org>
date Tue, 26 Mar 2024 14:15:46 -0400
parents 978285986b2c
children dd13b3a0ea8d
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1 # mod_python interface for Roundup Issue Tracker
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2 #
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3 # This module is free software, you may redistribute it
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4 # and/or modify under the same terms as Python.
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5 #
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6 # This module provides Roundup Web User Interface
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7 # using mod_python Apache module. Initially written
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8 # with python 2.3.3, mod_python 3.1.3, roundup 0.7.0.
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9 #
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10 # This module operates with only one tracker
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11 # and must be placed in the tracker directory.
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12 #
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13 # mod_python is deprecated and not well tested with release 2.0 of
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14 # roundup. mod_wsgi is the preferred interface. It may not work
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15 # with python3.
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16
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17 # The patch from https://issues.roundup-tracker.org/issue2550821
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18 # is included. Look for this url below. It is not tested, but
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19 # we assume it's safe and syntax it seems ok.
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20
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21 import os
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22 import threading
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23
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24 from mod_python import apache
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25
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26 import roundup.instance
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27 from roundup.anypy.cgi_ import cgi
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28 from roundup.cgi import TranslationService
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29
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30
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31 class Headers(dict):
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32
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33 """HTTP headers wrapper"""
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34
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35 def __init__(self, headers):
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36 """Initialize with `apache.table`"""
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37 super(Headers, self).__init__(headers)
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38 self.getheader = self.get
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39
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40
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41 class Request(object):
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42
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43 """`apache.Request` object wrapper providing roundup client interface"""
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44
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45 def __init__(self, request):
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46 """Initialize with `apache.Request` object"""
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47 self._req = request
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48 # .headers.getheader()
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49 self.headers = Headers(request.headers_in)
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50 # .wfile.write()
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51 self.wfile = self._req
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52
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53 def start_response(self, headers, response):
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54 self.send_response(response)
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55 for key, value in headers:
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56 self.send_header(key, value)
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57 self.end_headers()
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58
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59 def send_response(self, response_code):
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60 """Set HTTP response code"""
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61 self._req.status = response_code
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62
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63 def send_header(self, name, value):
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64 """Set output header"""
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65 # value may be an instance of roundup.cgi.exceptions.HTTPException
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66 value = str(value)
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67 # XXX default content_type is "text/plain",
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68 # and ain't overrided by "Content-Type" header
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69 if name == "Content-Type":
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70 self._req.content_type = value
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71 else:
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72 self._req.headers_out.add(name, value)
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73
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74 def end_headers(self):
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75 """NOOP. There aint no such thing as 'end_headers' in mod_python"""
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76 pass
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77
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78 def sendfile(self, filename, offset=0, len=-1):
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79 """Send 'filename' to the user."""
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80
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81 return self._req.sendfile(filename, offset, len)
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82
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83
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84 __tracker_cache = {}
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85 """A cache of optimized tracker instances.
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86
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87 The keys are strings giving the directories containing the trackers.
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88 The values are tracker instances."""
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89
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90 __tracker_cache_lock = threading.Lock()
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91 """A lock used to guard access to the cache."""
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92
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93
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94 def handler(req):
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95 """HTTP request handler"""
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96 _options = req.get_options()
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97 _home = _options.get("TrackerHome")
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98 _lang = _options.get("TrackerLanguage")
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99 _timing = _options.get("TrackerTiming", "no")
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100 if _timing.lower() in ("no", "false"):
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101 _timing = ""
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102 _debug = _options.get("TrackerDebug", "no")
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103 _debug = _debug.lower() not in ("no", "false")
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104
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105 # We do not need to take a lock here (the fast path) because reads
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106 # from dictionaries are atomic.
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107 if not _debug and _home in __tracker_cache:
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108 _tracker = __tracker_cache[_home]
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109 else:
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110 if not (_home and os.path.isdir(_home)):
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111 apache.log_error(
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112 "PythonOption TrackerHome missing or invalid for %(uri)s"
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113 % {'uri': req.uri})
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114 return apache.HTTP_INTERNAL_SERVER_ERROR
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115 if _debug:
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116 _tracker = roundup.instance.open(_home, optimize=0)
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117 else:
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118 __tracker_cache_lock.acquire()
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119 try:
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120 # The tracker may have been added while we were acquiring
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121 # the lock.
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122 if _home in __tracker_cache:
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123 _tracker = __tracker_cache[_home]
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124 else:
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125 _tracker = roundup.instance.open(_home, optimize=1)
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126 __tracker_cache[_home] = _tracker
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127 finally:
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128 __tracker_cache_lock.release()
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129 # create environment
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130 # Note: cookies are read from HTTP variables, so we need all HTTP vars
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131
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132 # https://issues.roundup-tracker.org/issue2550821
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133 # Release 3.4 of mod_python uses add_cgi_vars() and depricates
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134 # add_common_vars. So try to use the add_cgi_vars and if it fails
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135 # with AttributeError because we are running an older mod_apache without
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136 # that function, fallback to add_common_vars.
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137 try:
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138 req.add_cgi_vars()
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139 except AttributeError:
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140 req.add_common_vars()
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141
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142 _env = dict(req.subprocess_env)
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143 # XXX classname must be the first item in PATH_INFO. roundup.cgi does:
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86b6cea7a975 Python 3 preparation: avoid string.split().
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144 # path = os.environ.get('PATH_INFO', '/').split('/')
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1ab2c81a64df Python 3 preparation: avoid string.join().
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145 # os.environ['PATH_INFO'] = '/'.join(path[2:])
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parents:
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146 # we just remove the first character ('/')
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147 _env["PATH_INFO"] = req.path_info[1:]
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Alexander Smishlajev <a1s@users.sourceforge.net>
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148 if _timing:
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Alexander Smishlajev <a1s@users.sourceforge.net>
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149 _env["CGI_SHOW_TIMING"] = _timing
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150 _form = cgi.FieldStorage(req, environ=_env)
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151 _client = _tracker.Client(_tracker, Request(req), _env, _form,
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John Rouillard <rouilj@ieee.org>
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152 translator=TranslationService.get_translation(_lang,
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153 tracker_home=_home))
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154 _client.main()
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155 return apache.OK
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Alexander Smishlajev <a1s@users.sourceforge.net>
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156
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Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
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157 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/