annotate mercurial/hgweb/request.py @ 9389:7cca980317c5

merge with crew-stable
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Wed, 26 Aug 2009 13:05:51 +0200
parents 46293a0c7e9f
children 8269fe2d48f6
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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, incorporated herein by reference.
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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
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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 expand(form):
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29 for k in shortcuts.iterkeys():
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30 if k in form:
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31 for name, value in shortcuts[k]:
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32 if value is None:
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33 value = form[k]
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34 form[name] = value
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35 del form[k]
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36 return form
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37
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38 class wsgirequest(object):
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39 def __init__(self, wsgienv, start_response):
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40 version = wsgienv['wsgi.version']
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41 if (version < (1, 0)) or (version >= (2, 0)):
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42 raise RuntimeError("Unknown and unsupported WSGI version %d.%d"
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43 % version)
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44 self.inp = wsgienv['wsgi.input']
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45 self.err = wsgienv['wsgi.errors']
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46 self.threaded = wsgienv['wsgi.multithread']
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47 self.multiprocess = wsgienv['wsgi.multiprocess']
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48 self.run_once = wsgienv['wsgi.run_once']
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49 self.env = wsgienv
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50 self.form = expand(cgi.parse(self.inp, self.env, keep_blank_values=1))
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51 self._start_response = start_response
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52 self.server_write = None
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53 self.headers = []
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54
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55 def __iter__(self):
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56 return iter([])
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57
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58 def read(self, count=-1):
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59 return self.inp.read(count)
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60
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61 def drain(self):
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62 '''need to read all data from request, httplib is half-duplex'''
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63 length = int(self.env.get('CONTENT_LENGTH', 0))
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64 for s in util.filechunkiter(self.inp, limit=length):
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65 pass
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66
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67 def respond(self, status, type=None, filename=None, length=0):
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68 if self._start_response is not None:
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69
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70 self.httphdr(type, filename, length)
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71 if not self.headers:
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72 raise RuntimeError("request.write called before headers sent")
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73
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74 for k, v in self.headers:
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75 if not isinstance(v, str):
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76 raise TypeError('header value must be string: %r' % v)
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77
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78 if isinstance(status, ErrorResponse):
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79 self.header(status.headers)
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80 status = statusmessage(status.code)
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81 elif status == 200:
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82 status = '200 Script output follows'
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83 elif isinstance(status, int):
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84 status = statusmessage(status)
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85
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86 self.server_write = self._start_response(status, self.headers)
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87 self._start_response = None
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88 self.headers = []
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89
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90 def write(self, thing):
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91 if hasattr(thing, "__iter__"):
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92 for part in thing:
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93 self.write(part)
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94 else:
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95 thing = str(thing)
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96 try:
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97 self.server_write(thing)
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98 except socket.error, inst:
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99 if inst[0] != errno.ECONNRESET:
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100 raise
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101
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102 def writelines(self, lines):
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103 for line in lines:
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104 self.write(line)
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105
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106 def flush(self):
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107 return None
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108
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109 def close(self):
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110 return None
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111
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112 def header(self, headers=[('Content-Type','text/html')]):
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113 self.headers.extend(headers)
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114
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115 def httphdr(self, type=None, filename=None, length=0, headers={}):
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116 headers = headers.items()
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117 if type is not None:
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118 headers.append(('Content-Type', type))
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119 if filename:
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120 filename = (filename.split('/')[-1]
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121 .replace('\\', '\\\\').replace('"', '\\"'))
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122 headers.append(('Content-Disposition',
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123 'inline; filename="%s"' % filename))
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124 if length:
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125 headers.append(('Content-Length', str(length)))
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126 self.header(headers)
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127
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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128 def wsgiapplication(app_maker):
5887
41a3fce17625 hgweb: return iterable, add deprecation note
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5886
diff changeset
129 '''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
130 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
131 application = app_maker()
0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
132 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
133 return application(env, respond)
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0145f9afb0e7 Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5566
diff changeset
134 return run_wsgi