Mercurial > hg
annotate mercurial/hgweb/request.py @ 30014:d34cf260d15b
wireproto: rename argument to groupchunks()
groupchunks() is a generic "turn a file object into a generator"
function. It isn't limited to changegroups. Rename the argument
and update the docstring to reflect this.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 25 Sep 2016 12:20:31 -0700 |
parents | 37fcfe52c68c |
children | 482d6f6dba91 |
rev | line source |
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1 # hgweb/request.py - An http request from either CGI or the standalone server. |
131 | 2 # |
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> |
2859 | 4 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
131 | 5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
131 | 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 util, |
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23 ) |
138 | 24 |
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25 shortcuts = { |
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26 'cl': [('cmd', ['changelog']), ('rev', None)], |
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27 'sl': [('cmd', ['shortlog']), ('rev', None)], |
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28 'cs': [('cmd', ['changeset']), ('node', None)], |
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29 'f': [('cmd', ['file']), ('filenode', None)], |
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30 'fl': [('cmd', ['filelog']), ('filenode', None)], |
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31 'fd': [('cmd', ['filediff']), ('node', None)], |
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32 'fa': [('cmd', ['annotate']), ('filenode', None)], |
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33 'mf': [('cmd', ['manifest']), ('manifest', None)], |
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34 'ca': [('cmd', ['archive']), ('node', None)], |
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35 'tags': [('cmd', ['tags'])], |
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36 'tip': [('cmd', ['changeset']), ('node', ['tip'])], |
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37 'static': [('cmd', ['static']), ('file', None)] |
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38 } |
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39 |
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40 def normalize(form): |
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41 # first expand the shortcuts |
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42 for k in shortcuts.iterkeys(): |
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43 if k in form: |
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44 for name, value in shortcuts[k]: |
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45 if value is None: |
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46 value = form[k] |
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47 form[name] = value |
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48 del form[k] |
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49 # And strip the values |
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50 for k, v in form.iteritems(): |
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51 form[k] = [i.strip() for i in v] |
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52 return form |
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53 |
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54 class wsgirequest(object): |
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55 """Higher-level API for a WSGI request. |
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56 |
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57 WSGI applications are invoked with 2 arguments. They are used to |
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58 instantiate instances of this class, which provides higher-level APIs |
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59 for obtaining request parameters, writing HTTP output, etc. |
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60 """ |
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61 def __init__(self, wsgienv, start_response): |
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62 version = wsgienv['wsgi.version'] |
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63 if (version < (1, 0)) or (version >= (2, 0)): |
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64 raise RuntimeError("Unknown and unsupported WSGI version %d.%d" |
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65 % version) |
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66 self.inp = wsgienv['wsgi.input'] |
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67 self.err = wsgienv['wsgi.errors'] |
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68 self.threaded = wsgienv['wsgi.multithread'] |
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69 self.multiprocess = wsgienv['wsgi.multiprocess'] |
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70 self.run_once = wsgienv['wsgi.run_once'] |
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71 self.env = wsgienv |
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72 self.form = normalize(cgi.parse(self.inp, |
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73 self.env, |
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74 keep_blank_values=1)) |
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75 self._start_response = start_response |
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76 self.server_write = None |
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77 self.headers = [] |
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78 |
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79 def __iter__(self): |
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80 return iter([]) |
131 | 81 |
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82 def read(self, count=-1): |
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83 return self.inp.read(count) |
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84 |
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85 def drain(self): |
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86 '''need to read all data from request, httplib is half-duplex''' |
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87 length = int(self.env.get('CONTENT_LENGTH') or 0) |
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88 for s in util.filechunkiter(self.inp, limit=length): |
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89 pass |
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90 |
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91 def respond(self, status, type, filename=None, body=None): |
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92 if self._start_response is not None: |
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93 self.headers.append(('Content-Type', type)) |
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94 if filename: |
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95 filename = (filename.rpartition('/')[-1] |
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96 .replace('\\', '\\\\').replace('"', '\\"')) |
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97 self.headers.append(('Content-Disposition', |
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98 'inline; filename="%s"' % filename)) |
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99 if body is not None: |
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100 self.headers.append(('Content-Length', str(len(body)))) |
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101 |
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102 for k, v in self.headers: |
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103 if not isinstance(v, str): |
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104 raise TypeError('header value must be string: %r' % (v,)) |
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105 |
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106 if isinstance(status, ErrorResponse): |
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107 self.headers.extend(status.headers) |
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108 if status.code == HTTP_NOT_MODIFIED: |
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109 # RFC 2616 Section 10.3.5: 304 Not Modified has cases where |
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110 # it MUST NOT include any headers other than these and no |
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111 # body |
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112 self.headers = [(k, v) for (k, v) in self.headers if |
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113 k in ('Date', 'ETag', 'Expires', |
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114 'Cache-Control', 'Vary')] |
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116 elif status == 200: |
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117 status = '200 Script output follows' |
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118 elif isinstance(status, int): |
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119 status = statusmessage(status) |
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120 |
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121 self.server_write = self._start_response(status, self.headers) |
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122 self._start_response = None |
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123 self.headers = [] |
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124 if body is not None: |
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125 self.write(body) |
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126 self.server_write = None |
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127 |
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128 def write(self, thing): |
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129 if thing: |
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130 try: |
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131 self.server_write(thing) |
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132 except socket.error as inst: |
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133 if inst[0] != errno.ECONNRESET: |
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134 raise |
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135 |
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136 def writelines(self, lines): |
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137 for line in lines: |
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138 self.write(line) |
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139 |
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140 def flush(self): |
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141 return None |
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142 |
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143 def close(self): |
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144 return None |
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145 |
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146 def wsgiapplication(app_maker): |
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147 '''For compatibility with old CGI scripts. A plain hgweb() or hgwebdir() |
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148 can and should now be used as a WSGI application.''' |
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149 application = app_maker() |
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150 def run_wsgi(env, respond): |
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151 return application(env, respond) |
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152 return run_wsgi |