Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/httprepo.py @ 4402:d1dd16256114
Update Windows build instructions.
author | Lee Cantey <lcantey@gmail.com> |
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date | Thu, 03 May 2007 14:09:09 -0700 |
parents | aed9e6dceb85 |
children | bf8319ee3428 |
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1089 | 1 # httprepo.py - HTTP repository proxy classes for mercurial |
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2 # |
2858 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.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 |
1089 | 9 from node import * |
10 from remoterepo import * | |
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11 from i18n import gettext as _ |
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12 from demandload import * |
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13 demandload(globals(), "hg os urllib urllib2 urlparse zlib util httplib") |
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14 demandload(globals(), "errno keepalive tempfile socket changegroup") |
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16 class passwordmgr(urllib2.HTTPPasswordMgrWithDefaultRealm): |
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17 def __init__(self, ui): |
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18 urllib2.HTTPPasswordMgrWithDefaultRealm.__init__(self) |
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19 self.ui = ui |
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20 |
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21 def find_user_password(self, realm, authuri): |
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22 authinfo = urllib2.HTTPPasswordMgrWithDefaultRealm.find_user_password( |
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23 self, realm, authuri) |
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24 user, passwd = authinfo |
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25 if user and passwd: |
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26 return (user, passwd) |
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27 |
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28 if not self.ui.interactive: |
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29 raise util.Abort(_('http authorization required')) |
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30 |
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31 self.ui.write(_("http authorization required\n")) |
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32 self.ui.status(_("realm: %s\n") % realm) |
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33 if user: |
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34 self.ui.status(_("user: %s\n") % user) |
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35 else: |
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36 user = self.ui.prompt(_("user:"), default=None) |
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37 |
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38 if not passwd: |
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39 passwd = self.ui.getpass() |
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40 |
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41 self.add_password(realm, authuri, user, passwd) |
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42 return (user, passwd) |
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43 |
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44 def netlocsplit(netloc): |
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45 '''split [user[:passwd]@]host[:port] into 4-tuple.''' |
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46 |
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47 a = netloc.find('@') |
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48 if a == -1: |
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49 user, passwd = None, None |
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50 else: |
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51 userpass, netloc = netloc[:a], netloc[a+1:] |
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52 c = userpass.find(':') |
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53 if c == -1: |
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54 user, passwd = urllib.unquote(userpass), None |
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55 else: |
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56 user = urllib.unquote(userpass[:c]) |
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57 passwd = urllib.unquote(userpass[c+1:]) |
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58 c = netloc.find(':') |
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59 if c == -1: |
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60 host, port = netloc, None |
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61 else: |
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62 host, port = netloc[:c], netloc[c+1:] |
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63 return host, port, user, passwd |
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64 |
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65 def netlocunsplit(host, port, user=None, passwd=None): |
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66 '''turn host, port, user, passwd into [user[:passwd]@]host[:port].''' |
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67 if port: |
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68 hostport = host + ':' + port |
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69 else: |
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70 hostport = host |
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71 if user: |
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72 if passwd: |
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73 userpass = urllib.quote(user) + ':' + urllib.quote(passwd) |
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74 else: |
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75 userpass = urllib.quote(user) |
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76 return userpass + '@' + hostport |
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77 return hostport |
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78 |
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79 # work around a bug in Python < 2.4.2 |
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80 # (it leaves a "\n" at the end of Proxy-authorization headers) |
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81 class request(urllib2.Request): |
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82 def add_header(self, key, val): |
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83 if key.lower() == 'proxy-authorization': |
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84 val = val.strip() |
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85 return urllib2.Request.add_header(self, key, val) |
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86 |
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87 class httpsendfile(file): |
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88 def __len__(self): |
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89 return os.fstat(self.fileno()).st_size |
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90 |
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91 def _gen_sendfile(connection): |
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92 def _sendfile(self, data): |
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93 # send a file |
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94 if isinstance(data, httpsendfile): |
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95 # if auth required, some data sent twice, so rewind here |
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96 data.seek(0) |
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97 for chunk in util.filechunkiter(data): |
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98 connection.send(self, chunk) |
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99 else: |
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100 connection.send(self, data) |
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101 return _sendfile |
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102 |
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103 class httpconnection(keepalive.HTTPConnection): |
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104 # must be able to send big bundle as stream. |
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105 send = _gen_sendfile(keepalive.HTTPConnection) |
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106 |
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107 class basehttphandler(keepalive.HTTPHandler): |
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108 def http_open(self, req): |
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109 return self.do_open(httpconnection, req) |
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110 |
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111 has_https = hasattr(urllib2, 'HTTPSHandler') |
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112 if has_https: |
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113 class httpsconnection(httplib.HTTPSConnection): |
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114 response_class = keepalive.HTTPResponse |
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115 # must be able to send big bundle as stream. |
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116 send = _gen_sendfile(httplib.HTTPSConnection) |
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117 |
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118 class httphandler(basehttphandler, urllib2.HTTPSHandler): |
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119 def https_open(self, req): |
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120 return self.do_open(httpsconnection, req) |
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121 else: |
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122 class httphandler(basehttphandler): |
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123 pass |
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124 |
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125 def zgenerator(f): |
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126 zd = zlib.decompressobj() |
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127 try: |
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128 for chunk in util.filechunkiter(f): |
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129 yield zd.decompress(chunk) |
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130 except httplib.HTTPException, inst: |
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131 raise IOError(None, _('connection ended unexpectedly')) |
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132 yield zd.flush() |
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133 |
926 | 134 class httprepository(remoterepository): |
60 | 135 def __init__(self, ui, path): |
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136 self.path = path |
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137 self.caps = None |
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138 self.handler = None |
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139 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path) |
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140 if query or frag: |
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141 raise util.Abort(_('unsupported URL component: "%s"') % |
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142 (query or frag)) |
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143 if not urlpath: urlpath = '/' |
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144 host, port, user, passwd = netlocsplit(netloc) |
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145 |
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146 # urllib cannot handle URLs with embedded user or passwd |
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147 self._url = urlparse.urlunsplit((scheme, netlocunsplit(host, port), |
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148 urlpath, '', '')) |
60 | 149 self.ui = ui |
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150 |
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151 proxyurl = ui.config("http_proxy", "host") or os.getenv('http_proxy') |
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152 # XXX proxyauthinfo = None |
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153 self.handler = httphandler() |
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154 handlers = [self.handler] |
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155 |
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156 if proxyurl: |
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157 # proxy can be proper url or host[:port] |
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158 if not (proxyurl.startswith('http:') or |
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159 proxyurl.startswith('https:')): |
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160 proxyurl = 'http://' + proxyurl + '/' |
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161 snpqf = urlparse.urlsplit(proxyurl) |
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162 proxyscheme, proxynetloc, proxypath, proxyquery, proxyfrag = snpqf |
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163 hpup = netlocsplit(proxynetloc) |
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164 |
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165 proxyhost, proxyport, proxyuser, proxypasswd = hpup |
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166 if not proxyuser: |
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167 proxyuser = ui.config("http_proxy", "user") |
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168 proxypasswd = ui.config("http_proxy", "passwd") |
515 | 169 |
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170 # see if we should use a proxy for this url |
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171 no_list = [ "localhost", "127.0.0.1" ] |
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172 no_list.extend([p.lower() for |
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173 p in ui.configlist("http_proxy", "no")]) |
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174 no_list.extend([p.strip().lower() for |
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175 p in os.getenv("no_proxy", '').split(',') |
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176 if p.strip()]) |
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177 # "http_proxy.always" config is for running tests on localhost |
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178 if (not ui.configbool("http_proxy", "always") and |
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179 host.lower() in no_list): |
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180 ui.debug(_('disabling proxy for %s\n') % host) |
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181 else: |
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182 proxyurl = urlparse.urlunsplit(( |
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183 proxyscheme, netlocunsplit(proxyhost, proxyport, |
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184 proxyuser, proxypasswd or ''), |
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185 proxypath, proxyquery, proxyfrag)) |
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186 handlers.append(urllib2.ProxyHandler({scheme: proxyurl})) |
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187 ui.debug(_('proxying through http://%s:%s\n') % |
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188 (proxyhost, proxyport)) |
321 | 189 |
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190 # urllib2 takes proxy values from the environment and those |
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191 # will take precedence if found, so drop them |
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192 for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: |
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193 try: |
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194 if os.environ.has_key(env): |
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195 del os.environ[env] |
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196 except OSError: |
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197 pass |
321 | 198 |
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199 passmgr = passwordmgr(ui) |
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200 if user: |
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201 ui.debug(_('http auth: user %s, password %s\n') % |
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202 (user, passwd and '*' * len(passwd) or 'not set')) |
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203 passmgr.add_password(None, host, user, passwd or '') |
321 | 204 |
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205 handlers.extend((urllib2.HTTPBasicAuthHandler(passmgr), |
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206 urllib2.HTTPDigestAuthHandler(passmgr))) |
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207 opener = urllib2.build_opener(*handlers) |
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208 |
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209 # 1.0 here is the _protocol_ version |
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210 opener.addheaders = [('User-agent', 'mercurial/proto-1.0')] |
321 | 211 urllib2.install_opener(opener) |
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212 |
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213 def __del__(self): |
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214 if self.handler: |
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215 self.handler.close_all() |
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216 self.handler = None |
60 | 217 |
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218 def url(self): |
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219 return self.path |
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220 |
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221 # look up capabilities only when needed |
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222 |
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223 def get_caps(self): |
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224 if self.caps is None: |
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225 try: |
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226 self.caps = self.do_read('capabilities').split() |
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227 except hg.RepoError: |
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228 self.caps = () |
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229 self.ui.debug(_('capabilities: %s\n') % |
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230 (' '.join(self.caps or ['none']))) |
2442
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231 return self.caps |
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232 |
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233 capabilities = property(get_caps) |
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234 |
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235 def lock(self): |
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236 raise util.Abort(_('operation not supported over http')) |
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237 |
60 | 238 def do_cmd(self, cmd, **args): |
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239 data = args.pop('data', None) |
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240 headers = args.pop('headers', {}) |
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241 self.ui.debug(_("sending %s command\n") % cmd) |
60 | 242 q = {"cmd": cmd} |
243 q.update(args) | |
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httprepo: record the url after a request, makes pull + redirect works
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244 qs = '?%s' % urllib.urlencode(q) |
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245 cu = "%s%s" % (self._url, qs) |
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ce67fa312f61
Catch urllib's HTTPException and give a meaningful error message to the user.
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246 try: |
3553
3bab1fc0ab75
Turn bundle file into a string for http push, for urllib2 over proxies.
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247 if data: |
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Use httpconnection even with proxies.
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248 self.ui.debug(_("sending %s bytes\n") % |
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249 headers.get('content-length', 'X')) |
4226
fffacca46f09
Work around a urllib2 bug in Python < 2.4.2
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250 resp = urllib2.urlopen(request(cu, data, headers)) |
2467
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http client: better work with authorization errors, broken sockets.
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251 except urllib2.HTTPError, inst: |
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252 if inst.code == 401: |
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253 raise util.Abort(_('authorization failed')) |
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254 raise |
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255 except httplib.HTTPException, inst: |
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f77edcffb837
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|
256 self.ui.debug(_('http error while sending %s command\n') % cmd) |
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changeset
|
257 self.ui.print_exc() |
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|
258 raise IOError(None, inst) |
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5dbb3a991bbf
Catch python2.3's IndexError with bogus http proxy settings. (issue203)
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259 except IndexError: |
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Catch python2.3's IndexError with bogus http proxy settings. (issue203)
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260 # this only happens with Python 2.3, later versions raise URLError |
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261 raise util.Abort(_('http error, possibly caused by proxy setting')) |
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|
262 # record the url we got redirected to |
3570
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Inform the user about the new URL when being redirected via http.
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|
263 resp_url = resp.geturl() |
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Inform the user about the new URL when being redirected via http.
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|
264 if resp_url.endswith(qs): |
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Inform the user about the new URL when being redirected via http.
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|
265 resp_url = resp_url[:-len(qs)] |
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Inform the user about the new URL when being redirected via http.
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|
266 if self._url != resp_url: |
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Inform the user about the new URL when being redirected via http.
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|
267 self.ui.status(_('real URL is %s\n') % resp_url) |
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Inform the user about the new URL when being redirected via http.
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|
268 self._url = resp_url |
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|
269 try: |
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|
270 proto = resp.getheader('content-type') |
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271 except AttributeError: |
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|
272 proto = resp.headers['content-type'] |
752 | 273 |
753 | 274 # accept old "text/plain" and "application/hg-changegroup" for now |
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fix handling of multiple Content-type headers
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diff
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|
275 if not proto.startswith('application/mercurial-') and \ |
753 | 276 not proto.startswith('text/plain') and \ |
277 not proto.startswith('application/hg-changegroup'): | |
1402
9d2c2e6b32b5
i18n part2: use '_' for all strings who are part of the user interface
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diff
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|
278 raise hg.RepoError(_("'%s' does not appear to be an hg repository") % |
2673
109a22f5434a
hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
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2612
diff
changeset
|
279 self._url) |
752 | 280 |
4012
d1e31d7f7d44
fix handling of multiple Content-type headers
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|
281 if proto.startswith('application/mercurial-'): |
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|
282 try: |
4365
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Avoid float rounding errors when checking http protocol version.
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diff
changeset
|
283 version = proto.split('-', 1)[1] |
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Avoid float rounding errors when checking http protocol version.
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4226
diff
changeset
|
284 version_info = tuple([int(n) for n in version.split('.')]) |
4012
d1e31d7f7d44
fix handling of multiple Content-type headers
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diff
changeset
|
285 except ValueError: |
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fix handling of multiple Content-type headers
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diff
changeset
|
286 raise hg.RepoError(_("'%s' sent a broken Content-type " |
d1e31d7f7d44
fix handling of multiple Content-type headers
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diff
changeset
|
287 "header (%s)") % (self._url, proto)) |
4365
aed9e6dceb85
Avoid float rounding errors when checking http protocol version.
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4226
diff
changeset
|
288 if version_info > (0, 1): |
1402
9d2c2e6b32b5
i18n part2: use '_' for all strings who are part of the user interface
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1400
diff
changeset
|
289 raise hg.RepoError(_("'%s' uses newer protocol %s") % |
2673
109a22f5434a
hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
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2612
diff
changeset
|
290 (self._url, version)) |
753 | 291 |
752 | 292 return resp |
60 | 293 |
2435
ff2bac730b99
http client: support persistent connections.
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diff
changeset
|
294 def do_read(self, cmd, **args): |
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|
295 fp = self.do_cmd(cmd, **args) |
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diff
changeset
|
296 try: |
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|
297 return fp.read() |
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diff
changeset
|
298 finally: |
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changeset
|
299 # if using keepalive, allow connection to be reused |
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diff
changeset
|
300 fp.close() |
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changeset
|
301 |
3444
3505fcd5a231
Adding changegroupsubset and lookup to web protocol so pull -r and
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parents:
3399
diff
changeset
|
302 def lookup(self, key): |
3445
233c733e4af5
httprepo: add support for passing lookup exception data
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parents:
3444
diff
changeset
|
303 d = self.do_cmd("lookup", key = key).read() |
233c733e4af5
httprepo: add support for passing lookup exception data
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3444
diff
changeset
|
304 success, data = d[:-1].split(' ', 1) |
233c733e4af5
httprepo: add support for passing lookup exception data
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3444
diff
changeset
|
305 if int(success): |
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diff
changeset
|
306 return bin(data) |
233c733e4af5
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3444
diff
changeset
|
307 raise hg.RepoError(data) |
3444
3505fcd5a231
Adding changegroupsubset and lookup to web protocol so pull -r and
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diff
changeset
|
308 |
222 | 309 def heads(self): |
2435
ff2bac730b99
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|
310 d = self.do_read("heads") |
222 | 311 try: |
312 return map(bin, d[:-1].split(" ")) | |
313 except: | |
3551
9073d7366776
Use the new UnexpectedOutput exception in httprepo, too.
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3548
diff
changeset
|
314 raise util.UnexpectedOutput(_("unexpected response:"), d) |
222 | 315 |
60 | 316 def branches(self, nodes): |
317 n = " ".join(map(hex, nodes)) | |
2435
ff2bac730b99
http client: support persistent connections.
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diff
changeset
|
318 d = self.do_read("branches", nodes=n) |
217 | 319 try: |
320 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
321 return br | |
322 except: | |
3551
9073d7366776
Use the new UnexpectedOutput exception in httprepo, too.
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3548
diff
changeset
|
323 raise util.UnexpectedOutput(_("unexpected response:"), d) |
60 | 324 |
325 def between(self, pairs): | |
326 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
2435
ff2bac730b99
http client: support persistent connections.
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changeset
|
327 d = self.do_read("between", pairs=n) |
217 | 328 try: |
329 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
330 return p | |
331 except: | |
3551
9073d7366776
Use the new UnexpectedOutput exception in httprepo, too.
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3548
diff
changeset
|
332 raise util.UnexpectedOutput(_("unexpected response:"), d) |
60 | 333 |
1736
50de0887bbcd
add preoutgoing and outgoing hooks.
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parents:
1402
diff
changeset
|
334 def changegroup(self, nodes, kind): |
60 | 335 n = " ".join(map(hex, nodes)) |
752 | 336 f = self.do_cmd("changegroup", roots=n) |
3668
e99ba8726bda
remove duplicate zgenerator in httprepo
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parents:
3614
diff
changeset
|
337 return util.chunkbuffer(zgenerator(f)) |
3444
3505fcd5a231
Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents:
3399
diff
changeset
|
338 |
3505fcd5a231
Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents:
3399
diff
changeset
|
339 def changegroupsubset(self, bases, heads, source): |
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Adding changegroupsubset and lookup to web protocol so pull -r and
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diff
changeset
|
340 baselst = " ".join([hex(n) for n in bases]) |
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Adding changegroupsubset and lookup to web protocol so pull -r and
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diff
changeset
|
341 headlst = " ".join([hex(n) for n in heads]) |
3505fcd5a231
Adding changegroupsubset and lookup to web protocol so pull -r and
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diff
changeset
|
342 f = self.do_cmd("changegroupsubset", bases=baselst, heads=headlst) |
3668
e99ba8726bda
remove duplicate zgenerator in httprepo
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parents:
3614
diff
changeset
|
343 return util.chunkbuffer(zgenerator(f)) |
635
85e2209d401c
Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents:
634
diff
changeset
|
344 |
2439
e8c4f3d3df8c
extend network protocol to stop clients from locking servers
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parents:
2435
diff
changeset
|
345 def unbundle(self, cg, heads, source): |
2465
c91118f425d0
push over http: client support.
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diff
changeset
|
346 # have to stream bundle to a temp file because we do not have |
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push over http: client support.
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diff
changeset
|
347 # http 1.1 chunked transfer. |
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diff
changeset
|
348 |
3669
f4dc02d7fb71
unduplicate bundle writing code from httprepo
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3668
diff
changeset
|
349 type = "" |
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unduplicate bundle writing code from httprepo
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diff
changeset
|
350 types = self.capable('unbundle') |
3703
e674cae8efee
fix push over HTTP to older servers
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diff
changeset
|
351 # servers older than d1b16a746db6 will send 'unbundle' as a |
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fix push over HTTP to older servers
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diff
changeset
|
352 # boolean capability |
e674cae8efee
fix push over HTTP to older servers
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diff
changeset
|
353 try: |
e674cae8efee
fix push over HTTP to older servers
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diff
changeset
|
354 types = types.split(',') |
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fix push over HTTP to older servers
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diff
changeset
|
355 except AttributeError: |
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fix push over HTTP to older servers
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diff
changeset
|
356 types = [""] |
3669
f4dc02d7fb71
unduplicate bundle writing code from httprepo
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parents:
3668
diff
changeset
|
357 if types: |
3703
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fix push over HTTP to older servers
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358 for x in types: |
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359 if x in changegroup.bundletypes: |
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360 type = x |
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361 break |
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Client support for hgweb unbundle with versions.
Thomas Arendsen Hein <thomas@intevation.de>
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362 |
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363 tempname = changegroup.writebundle(cg, None, type) |
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Subclass file with a __len__ method instead of setting Content-length
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364 fp = httpsendfile(tempname, "rb") |
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365 try: |
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366 try: |
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367 rfp = self.do_cmd( |
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368 'unbundle', data=fp, |
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369 headers={'content-type': 'application/octet-stream'}, |
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370 heads=' '.join(map(hex, heads))) |
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371 try: |
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372 ret = int(rfp.readline()) |
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373 self.ui.write(rfp.read()) |
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374 return ret |
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375 finally: |
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376 rfp.close() |
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377 except socket.error, err: |
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378 if err[0] in (errno.ECONNRESET, errno.EPIPE): |
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Never apply string formatting to generated errors with util.Abort.
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379 raise util.Abort(_('push failed: %s') % err[1]) |
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380 raise util.Abort(err[1]) |
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381 finally: |
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382 fp.close() |
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383 os.unlink(tempname) |
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extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
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384 |
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add support for streaming clone.
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385 def stream_out(self): |
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386 return self.do_cmd('stream_out') |
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387 |
923 | 388 class httpsrepository(httprepository): |
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389 def __init__(self, ui, path): |
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390 if not has_https: |
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391 raise util.Abort(_('Python support for SSL and HTTPS ' |
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392 'is not installed')) |
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393 httprepository.__init__(self, ui, path) |
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394 |
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395 def instance(ui, path, create): |
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396 if create: |
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397 raise util.Abort(_('cannot create new http repository')) |
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398 if path.startswith('hg:'): |
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399 ui.warn(_("hg:// syntax is deprecated, please use http:// instead\n")) |
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400 path = 'http:' + path[3:] |
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401 if path.startswith('https:'): |
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402 return httpsrepository(ui, path) |
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403 return httprepository(ui, path) |