Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hgweb/request.py @ 3886:abaee83ce0a6

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Replace demandload with new demandimport
author Matt Mackall <mpm@selenic.com>
date Wed, 13 Dec 2006 13:27:09 -0600
parents eb0b4a2d70a9
children ba45041827a2
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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
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7 # of the GNU General Public License, incorporated herein by reference.
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8
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9 import socket, sys, cgi, os, errno
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10 from mercurial.i18n import gettext as _
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11
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12 class wsgiapplication(object):
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13 def __init__(self, destmaker):
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14 self.destmaker = destmaker
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15
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16 def __call__(self, wsgienv, start_response):
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17 return _wsgirequest(self.destmaker(), wsgienv, start_response)
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18
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19 class _wsgioutputfile(object):
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20 def __init__(self, request):
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21 self.request = request
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22
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23 def write(self, data):
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24 self.request.write(data)
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25 def writelines(self, lines):
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26 for line in lines:
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27 self.write(line)
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28 def flush(self):
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29 return None
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30 def close(self):
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31 return None
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32
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33 class _wsgirequest(object):
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34 def __init__(self, destination, wsgienv, start_response):
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35 version = wsgienv['wsgi.version']
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36 if (version < (1, 0)) or (version >= (2, 0)):
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37 raise RuntimeError("Unknown and unsupported WSGI version %d.%d" \
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38 % version)
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39 self.inp = wsgienv['wsgi.input']
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40 self.out = _wsgioutputfile(self)
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41 self.server_write = None
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42 self.err = wsgienv['wsgi.errors']
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43 self.threaded = wsgienv['wsgi.multithread']
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44 self.multiprocess = wsgienv['wsgi.multiprocess']
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45 self.run_once = wsgienv['wsgi.run_once']
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46 self.env = wsgienv
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47 self.form = cgi.parse(self.inp, self.env, keep_blank_values=1)
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48 self.start_response = start_response
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49 self.headers = []
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50 destination.run_wsgi(self)
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51
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52 def __iter__(self):
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53 return iter([])
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54
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55 def read(self, count=-1):
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56 return self.inp.read(count)
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57
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58 def write(self, *things):
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59 for thing in things:
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60 if hasattr(thing, "__iter__"):
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61 for part in thing:
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62 self.write(part)
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63 else:
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64 thing = str(thing)
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65 if self.server_write is None:
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66 if not self.headers:
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67 raise RuntimeError("request.write called before headers sent (%s)." % thing)
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68 self.server_write = self.start_response('200 Script output follows',
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69 self.headers)
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70 self.start_response = None
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71 self.headers = None
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72 try:
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73 self.server_write(thing)
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74 except socket.error, inst:
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75 if inst[0] != errno.ECONNRESET:
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76 raise
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78 def header(self, headers=[('Content-type','text/html')]):
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79 self.headers.extend(headers)
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80
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81 def httphdr(self, type, filename=None, length=0, headers={}):
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82 headers = headers.items()
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83 headers.append(('Content-type', type))
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84 if filename:
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85 headers.append(('Content-disposition', 'attachment; filename=%s' %
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86 filename))
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87 if length:
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88 headers.append(('Content-length', str(length)))
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89 self.header(headers)