annotate mercurial/hgweb/request.py @ 26365:33af0c53aeff

help: add config.troubleshooting section at the top
author timeless@mozdev.org
date Thu, 24 Sep 2015 14:45:17 -0400
parents 461e7b700fdf
children 7c1b4840c2cd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # hgweb/request.py - An http request from either CGI or the standalone server.
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2 #
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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4 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 import socket, cgi, errno
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10 from mercurial import util
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11 from common import ErrorResponse, statusmessage, HTTP_NOT_MODIFIED
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12
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13 shortcuts = {
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14 'cl': [('cmd', ['changelog']), ('rev', None)],
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15 'sl': [('cmd', ['shortlog']), ('rev', None)],
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16 'cs': [('cmd', ['changeset']), ('node', None)],
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17 'f': [('cmd', ['file']), ('filenode', None)],
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18 'fl': [('cmd', ['filelog']), ('filenode', None)],
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19 'fd': [('cmd', ['filediff']), ('node', None)],
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20 'fa': [('cmd', ['annotate']), ('filenode', None)],
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21 'mf': [('cmd', ['manifest']), ('manifest', None)],
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22 'ca': [('cmd', ['archive']), ('node', None)],
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23 'tags': [('cmd', ['tags'])],
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24 'tip': [('cmd', ['changeset']), ('node', ['tip'])],
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25 'static': [('cmd', ['static']), ('file', None)]
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26 }
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27
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28 def normalize(form):
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29 # first expand the shortcuts
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30 for k in shortcuts.iterkeys():
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31 if k in form:
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32 for name, value in shortcuts[k]:
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33 if value is None:
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34 value = form[k]
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35 form[name] = value
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36 del form[k]
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37 # And strip the values
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38 for k, v in form.iteritems():
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39 form[k] = [i.strip() for i in v]
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40 return form
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41
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42 class wsgirequest(object):
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43 """Higher-level API for a WSGI request.
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44
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45 WSGI applications are invoked with 2 arguments. They are used to
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46 instantiate instances of this class, which provides higher-level APIs
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47 for obtaining request parameters, writing HTTP output, etc.
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48 """
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49 def __init__(self, wsgienv, start_response):
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50 version = wsgienv['wsgi.version']
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51 if (version < (1, 0)) or (version >= (2, 0)):
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52 raise RuntimeError("Unknown and unsupported WSGI version %d.%d"
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53 % version)
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54 self.inp = wsgienv['wsgi.input']
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55 self.err = wsgienv['wsgi.errors']
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56 self.threaded = wsgienv['wsgi.multithread']
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57 self.multiprocess = wsgienv['wsgi.multiprocess']
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58 self.run_once = wsgienv['wsgi.run_once']
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59 self.env = wsgienv
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60 self.form = normalize(cgi.parse(self.inp,
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61 self.env,
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62 keep_blank_values=1))
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63 self._start_response = start_response
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64 self.server_write = None
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65 self.headers = []
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66
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67 def __iter__(self):
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68 return iter([])
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69
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70 def read(self, count=-1):
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71 return self.inp.read(count)
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72
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73 def drain(self):
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74 '''need to read all data from request, httplib is half-duplex'''
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75 length = int(self.env.get('CONTENT_LENGTH') or 0)
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76 for s in util.filechunkiter(self.inp, limit=length):
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77 pass
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78
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79 def respond(self, status, type, filename=None, body=None):
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80 if self._start_response is not None:
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81 self.headers.append(('Content-Type', type))
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82 if filename:
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83 filename = (filename.split('/')[-1]
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84 .replace('\\', '\\\\').replace('"', '\\"'))
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85 self.headers.append(('Content-Disposition',
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86 'inline; filename="%s"' % filename))
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87 if body is not None:
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88 self.headers.append(('Content-Length', str(len(body))))
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89
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90 for k, v in self.headers:
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91 if not isinstance(v, str):
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92 raise TypeError('header value must be string: %r' % (v,))
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93
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94 if isinstance(status, ErrorResponse):
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95 self.headers.extend(status.headers)
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96 if status.code == HTTP_NOT_MODIFIED:
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97 # RFC 2616 Section 10.3.5: 304 Not Modified has cases where
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98 # it MUST NOT include any headers other than these and no
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99 # body
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100 self.headers = [(k, v) for (k, v) in self.headers if
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101 k in ('Date', 'ETag', 'Expires',
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102 'Cache-Control', 'Vary')]
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103 status = statusmessage(status.code, str(status))
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104 elif status == 200:
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105 status = '200 Script output follows'
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106 elif isinstance(status, int):
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107 status = statusmessage(status)
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108
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109 self.server_write = self._start_response(status, self.headers)
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110 self._start_response = None
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111 self.headers = []
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112 if body is not None:
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113 self.write(body)
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114 self.server_write = None
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115
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116 def write(self, thing):
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117 if thing:
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118 try:
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119 self.server_write(thing)
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120 except socket.error as inst:
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121 if inst[0] != errno.ECONNRESET:
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122 raise
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123
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124 def writelines(self, lines):
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125 for line in lines:
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126 self.write(line)
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parents: 3673
diff changeset
127
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
128 def flush(self):
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
129 return None
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
130
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
131 def close(self):
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parents: 3673
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132 return None
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
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133
5566
d74fc8dec2b4 Less indirection in the WSGI web interface. This simplifies some code, and makes it more compliant with WSGI.
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5563
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134 def wsgiapplication(app_maker):
5887
41a3fce17625 hgweb: return iterable, add deprecation note
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5886
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135 '''For compatibility with old CGI scripts. A plain hgweb() or hgwebdir()
41a3fce17625 hgweb: return iterable, add deprecation note
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5886
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136 can and should now be used as a WSGI application.'''
5760
0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
137 application = app_maker()
0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
138 def run_wsgi(env, respond):
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41a3fce17625 hgweb: return iterable, add deprecation note
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5886
diff changeset
139 return application(env, respond)
5760
0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
140 return run_wsgi