Mercurial > hg
annotate mercurial/hgweb/request.py @ 24793:2ec894582ea2
bundle2: add a 'copy' method on parts
This is the first step in our quest for preserving the server output on error
(issue4594). We want to be able to copy the output parts from the aborted reply
into the exception bundle.
The function will be used in a later patch.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 16 Apr 2015 03:15:28 -0400 |
parents | e33b9b92a200 |
children | 328739ea70c3 |
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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 |
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131 | 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 |
138 | 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 def __init__(self, wsgienv, start_response): |
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44 version = wsgienv['wsgi.version'] |
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45 if (version < (1, 0)) or (version >= (2, 0)): |
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46 raise RuntimeError("Unknown and unsupported WSGI version %d.%d" |
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47 % version) |
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48 self.inp = wsgienv['wsgi.input'] |
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49 self.err = wsgienv['wsgi.errors'] |
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50 self.threaded = wsgienv['wsgi.multithread'] |
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51 self.multiprocess = wsgienv['wsgi.multiprocess'] |
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52 self.run_once = wsgienv['wsgi.run_once'] |
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53 self.env = wsgienv |
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54 self.form = normalize(cgi.parse(self.inp, |
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55 self.env, |
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56 keep_blank_values=1)) |
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57 self._start_response = start_response |
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58 self.server_write = None |
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59 self.headers = [] |
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60 |
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61 def __iter__(self): |
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62 return iter([]) |
131 | 63 |
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64 def read(self, count=-1): |
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65 return self.inp.read(count) |
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66 |
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67 def drain(self): |
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68 '''need to read all data from request, httplib is half-duplex''' |
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69 length = int(self.env.get('CONTENT_LENGTH') or 0) |
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70 for s in util.filechunkiter(self.inp, limit=length): |
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71 pass |
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72 |
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73 def respond(self, status, type, filename=None, body=None): |
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74 if self._start_response is not None: |
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75 self.headers.append(('Content-Type', type)) |
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76 if filename: |
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77 filename = (filename.split('/')[-1] |
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78 .replace('\\', '\\\\').replace('"', '\\"')) |
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79 self.headers.append(('Content-Disposition', |
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80 'inline; filename="%s"' % filename)) |
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81 if body is not None: |
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82 self.headers.append(('Content-Length', str(len(body)))) |
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83 |
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84 for k, v in self.headers: |
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85 if not isinstance(v, str): |
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86 raise TypeError('header value must be string: %r' % (v,)) |
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87 |
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88 if isinstance(status, ErrorResponse): |
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89 self.headers.extend(status.headers) |
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90 if status.code == HTTP_NOT_MODIFIED: |
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91 # RFC 2616 Section 10.3.5: 304 Not Modified has cases where |
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92 # it MUST NOT include any headers other than these and no |
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93 # body |
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94 self.headers = [(k, v) for (k, v) in self.headers if |
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95 k in ('Date', 'ETag', 'Expires', |
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96 'Cache-Control', 'Vary')] |
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97 status = statusmessage(status.code, status.message) |
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98 elif status == 200: |
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99 status = '200 Script output follows' |
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100 elif isinstance(status, int): |
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101 status = statusmessage(status) |
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102 |
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103 self.server_write = self._start_response(status, self.headers) |
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104 self._start_response = None |
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105 self.headers = [] |
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106 if body is not None: |
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107 self.write(body) |
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108 self.server_write = None |
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109 |
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110 def write(self, thing): |
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111 if thing: |
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112 try: |
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113 self.server_write(thing) |
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114 except socket.error, inst: |
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115 if inst[0] != errno.ECONNRESET: |
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116 raise |
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Change use of global sys.stdout, sys.stdin os.environ to a hgrequest object.
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117 |
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118 def writelines(self, lines): |
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119 for line in lines: |
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120 self.write(line) |
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121 |
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122 def flush(self): |
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123 return None |
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124 |
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125 def close(self): |
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126 return None |
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127 |
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Less indirection in the WSGI web interface. This simplifies some code, and makes it more compliant with WSGI.
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128 def wsgiapplication(app_maker): |
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129 '''For compatibility with old CGI scripts. A plain hgweb() or hgwebdir() |
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130 can and should now be used as a WSGI application.''' |
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131 application = app_maker() |
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132 def run_wsgi(env, respond): |
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133 return application(env, respond) |
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134 return run_wsgi |