annotate mercurial/hgweb/request.py @ 36439:02cd2fb6de72

narrow: drop redundant templatekw/revset names from help text ":<name>:" is automatically added by the registrar.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 25 Feb 2018 13:42:51 +0900
parents af0a19d8812b
children 2442927cdd96
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rev   line source
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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 from __future__ import absolute_import
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10
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11 import cgi
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12 import errno
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13 import socket
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14
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15 from .common import (
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16 ErrorResponse,
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17 HTTP_NOT_MODIFIED,
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18 statusmessage,
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19 )
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20
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21 from .. import (
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22 pycompat,
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23 util,
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24 )
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25
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26 shortcuts = {
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27 'cl': [('cmd', ['changelog']), ('rev', None)],
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28 'sl': [('cmd', ['shortlog']), ('rev', None)],
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29 'cs': [('cmd', ['changeset']), ('node', None)],
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30 'f': [('cmd', ['file']), ('filenode', None)],
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31 'fl': [('cmd', ['filelog']), ('filenode', None)],
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32 'fd': [('cmd', ['filediff']), ('node', None)],
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33 'fa': [('cmd', ['annotate']), ('filenode', None)],
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34 'mf': [('cmd', ['manifest']), ('manifest', None)],
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35 'ca': [('cmd', ['archive']), ('node', None)],
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36 'tags': [('cmd', ['tags'])],
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37 'tip': [('cmd', ['changeset']), ('node', ['tip'])],
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38 'static': [('cmd', ['static']), ('file', None)]
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39 }
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40
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41 def normalize(form):
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42 # first expand the shortcuts
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43 for k in shortcuts:
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44 if k in form:
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45 for name, value in shortcuts[k]:
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46 if value is None:
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47 value = form[k]
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48 form[name] = value
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49 del form[k]
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50 # And strip the values
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51 for k, v in form.iteritems():
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52 form[k] = [i.strip() for i in v]
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53 return form
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54
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55 class wsgirequest(object):
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56 """Higher-level API for a WSGI request.
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57
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58 WSGI applications are invoked with 2 arguments. They are used to
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59 instantiate instances of this class, which provides higher-level APIs
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60 for obtaining request parameters, writing HTTP output, etc.
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61 """
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62 def __init__(self, wsgienv, start_response):
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63 version = wsgienv[r'wsgi.version']
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64 if (version < (1, 0)) or (version >= (2, 0)):
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65 raise RuntimeError("Unknown and unsupported WSGI version %d.%d"
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66 % version)
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67 self.inp = wsgienv[r'wsgi.input']
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68 self.err = wsgienv[r'wsgi.errors']
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69 self.threaded = wsgienv[r'wsgi.multithread']
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70 self.multiprocess = wsgienv[r'wsgi.multiprocess']
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71 self.run_once = wsgienv[r'wsgi.run_once']
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72 self.env = wsgienv
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73 self.form = normalize(cgi.parse(self.inp,
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74 self.env,
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75 keep_blank_values=1))
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76 self._start_response = start_response
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77 self.server_write = None
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78 self.headers = []
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79
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80 def __iter__(self):
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81 return iter([])
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82
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83 def read(self, count=-1):
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84 return self.inp.read(count)
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85
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86 def drain(self):
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87 '''need to read all data from request, httplib is half-duplex'''
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88 length = int(self.env.get('CONTENT_LENGTH') or 0)
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89 for s in util.filechunkiter(self.inp, limit=length):
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90 pass
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91
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92 def respond(self, status, type, filename=None, body=None):
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93 if not isinstance(type, str):
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94 type = pycompat.sysstr(type)
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95 if self._start_response is not None:
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96 self.headers.append((r'Content-Type', type))
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97 if filename:
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98 filename = (filename.rpartition('/')[-1]
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99 .replace('\\', '\\\\').replace('"', '\\"'))
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100 self.headers.append(('Content-Disposition',
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101 'inline; filename="%s"' % filename))
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102 if body is not None:
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103 self.headers.append((r'Content-Length', str(len(body))))
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104
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105 for k, v in self.headers:
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106 if not isinstance(v, str):
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107 raise TypeError('header value must be string: %r' % (v,))
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108
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109 if isinstance(status, ErrorResponse):
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110 self.headers.extend(status.headers)
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111 if status.code == HTTP_NOT_MODIFIED:
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112 # RFC 2616 Section 10.3.5: 304 Not Modified has cases where
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113 # it MUST NOT include any headers other than these and no
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114 # body
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115 self.headers = [(k, v) for (k, v) in self.headers if
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116 k in ('Date', 'ETag', 'Expires',
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117 'Cache-Control', 'Vary')]
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118 status = statusmessage(status.code, pycompat.bytestr(status))
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119 elif status == 200:
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120 status = '200 Script output follows'
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121 elif isinstance(status, int):
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122 status = statusmessage(status)
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123
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124 self.server_write = self._start_response(
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125 pycompat.sysstr(status), self.headers)
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126 self._start_response = None
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127 self.headers = []
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Mads Kiilerich <mads@kiilerich.com>
parents: 18351
diff changeset
128 if body is not None:
e33b9b92a200 hgweb: pass the actual response body to request.response, not just the length
Mads Kiilerich <mads@kiilerich.com>
parents: 18351
diff changeset
129 self.write(body)
e33b9b92a200 hgweb: pass the actual response body to request.response, not just the length
Mads Kiilerich <mads@kiilerich.com>
parents: 18351
diff changeset
130 self.server_write = None
5888
956afc025c0f hgweb: separate out start_response() calling
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5887
diff changeset
131
5993
948a41e77902 hgweb: explicit response status
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5930
diff changeset
132 def write(self, thing):
18351
3fbdbeab38cc hgweb: don't pass empty response chunks on
Mads Kiilerich <mads@kiilerich.com>
parents: 18350
diff changeset
133 if thing:
3fbdbeab38cc hgweb: don't pass empty response chunks on
Mads Kiilerich <mads@kiilerich.com>
parents: 18350
diff changeset
134 try:
3fbdbeab38cc hgweb: don't pass empty response chunks on
Mads Kiilerich <mads@kiilerich.com>
parents: 18350
diff changeset
135 self.server_write(thing)
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 18352
diff changeset
136 except socket.error as inst:
18351
3fbdbeab38cc hgweb: don't pass empty response chunks on
Mads Kiilerich <mads@kiilerich.com>
parents: 18350
diff changeset
137 if inst[0] != errno.ECONNRESET:
3fbdbeab38cc hgweb: don't pass empty response chunks on
Mads Kiilerich <mads@kiilerich.com>
parents: 18350
diff changeset
138 raise
1159
b6f5a947e62e Change use of global sys.stdout, sys.stdin os.environ to a hgrequest object.
Vincent Wagelaar <vincent@ricardis.tudelft.nl>
parents: 1143
diff changeset
139
4246
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
140 def writelines(self, lines):
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
141 for line in lines:
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
142 self.write(line)
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
143
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
144 def flush(self):
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
145 return None
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
146
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
147 def close(self):
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
148 return None
cc81c512a531 avoid _wsgioutputfile <-> _wsgirequest circular reference
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
149
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
diff changeset
150 def wsgiapplication(app_maker):
5887
41a3fce17625 hgweb: return iterable, add deprecation note
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5886
diff changeset
151 '''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
diff changeset
152 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
153 application = app_maker()
0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
154 def run_wsgi(env, respond):
5887
41a3fce17625 hgweb: return iterable, add deprecation note
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5886
diff changeset
155 return application(env, respond)
5760
0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
156 return run_wsgi