Mercurial > hg
annotate mercurial/httprepo.py @ 6656:2cbe0f72c379
Merge with crew-stable
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 07 Jun 2008 11:43:16 +0200 |
parents | c5580db9c3aa |
children | dbb00e91c327 |
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1089 | 1 # httprepo.py - HTTP repository proxy classes for mercurial |
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2 # |
2859 | 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 |
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9 from node import bin, hex |
3891 | 10 from i18n import _ |
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11 import repo, os, urllib, urllib2, urlparse, zlib, util, httplib |
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12 import errno, keepalive, socket, changegroup |
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14 class passwordmgr(urllib2.HTTPPasswordMgrWithDefaultRealm): |
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15 def __init__(self, ui): |
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16 urllib2.HTTPPasswordMgrWithDefaultRealm.__init__(self) |
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17 self.ui = ui |
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18 |
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19 def find_user_password(self, realm, authuri): |
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20 authinfo = urllib2.HTTPPasswordMgrWithDefaultRealm.find_user_password( |
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21 self, realm, authuri) |
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22 user, passwd = authinfo |
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23 if user and passwd: |
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24 return (user, passwd) |
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25 |
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26 if not self.ui.interactive: |
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27 raise util.Abort(_('http authorization required')) |
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28 |
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29 self.ui.write(_("http authorization required\n")) |
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30 self.ui.status(_("realm: %s\n") % realm) |
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31 if user: |
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32 self.ui.status(_("user: %s\n") % user) |
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33 else: |
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34 user = self.ui.prompt(_("user:"), default=None) |
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35 |
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36 if not passwd: |
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37 passwd = self.ui.getpass() |
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38 |
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39 self.add_password(realm, authuri, user, passwd) |
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40 return (user, passwd) |
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41 |
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42 def netlocsplit(netloc): |
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43 '''split [user[:passwd]@]host[:port] into 4-tuple.''' |
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44 |
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45 a = netloc.find('@') |
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46 if a == -1: |
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47 user, passwd = None, None |
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48 else: |
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49 userpass, netloc = netloc[:a], netloc[a+1:] |
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50 c = userpass.find(':') |
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51 if c == -1: |
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52 user, passwd = urllib.unquote(userpass), None |
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53 else: |
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54 user = urllib.unquote(userpass[:c]) |
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55 passwd = urllib.unquote(userpass[c+1:]) |
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56 c = netloc.find(':') |
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57 if c == -1: |
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58 host, port = netloc, None |
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59 else: |
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60 host, port = netloc[:c], netloc[c+1:] |
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61 return host, port, user, passwd |
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62 |
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63 def netlocunsplit(host, port, user=None, passwd=None): |
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64 '''turn host, port, user, passwd into [user[:passwd]@]host[:port].''' |
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65 if port: |
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66 hostport = host + ':' + port |
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67 else: |
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68 hostport = host |
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69 if user: |
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70 if passwd: |
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71 userpass = urllib.quote(user) + ':' + urllib.quote(passwd) |
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72 else: |
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73 userpass = urllib.quote(user) |
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74 return userpass + '@' + hostport |
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75 return hostport |
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76 |
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77 # work around a bug in Python < 2.4.2 |
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78 # (it leaves a "\n" at the end of Proxy-authorization headers) |
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79 class request(urllib2.Request): |
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80 def add_header(self, key, val): |
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81 if key.lower() == 'proxy-authorization': |
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82 val = val.strip() |
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83 return urllib2.Request.add_header(self, key, val) |
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84 |
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85 class httpsendfile(file): |
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86 def __len__(self): |
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87 return os.fstat(self.fileno()).st_size |
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88 |
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89 def _gen_sendfile(connection): |
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90 def _sendfile(self, data): |
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91 # send a file |
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92 if isinstance(data, httpsendfile): |
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93 # if auth required, some data sent twice, so rewind here |
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94 data.seek(0) |
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95 for chunk in util.filechunkiter(data): |
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96 connection.send(self, chunk) |
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97 else: |
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98 connection.send(self, data) |
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99 return _sendfile |
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100 |
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101 class httpconnection(keepalive.HTTPConnection): |
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102 # must be able to send big bundle as stream. |
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103 send = _gen_sendfile(keepalive.HTTPConnection) |
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104 |
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105 class httphandler(keepalive.HTTPHandler): |
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106 def http_open(self, req): |
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107 return self.do_open(httpconnection, req) |
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108 |
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109 def __del__(self): |
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110 self.close_all() |
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111 |
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112 has_https = hasattr(urllib2, 'HTTPSHandler') |
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113 if has_https: |
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114 class httpsconnection(httplib.HTTPSConnection): |
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115 response_class = keepalive.HTTPResponse |
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116 # must be able to send big bundle as stream. |
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117 send = _gen_sendfile(httplib.HTTPSConnection) |
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118 |
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119 class httpshandler(keepalive.KeepAliveHandler, urllib2.HTTPSHandler): |
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120 def https_open(self, req): |
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121 return self.do_open(httpsconnection, req) |
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122 |
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123 # In python < 2.5 AbstractDigestAuthHandler raises a ValueError if |
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124 # it doesn't know about the auth type requested. This can happen if |
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125 # somebody is using BasicAuth and types a bad password. |
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126 class httpdigestauthhandler(urllib2.HTTPDigestAuthHandler): |
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127 def http_error_auth_reqed(self, auth_header, host, req, headers): |
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128 try: |
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129 return urllib2.HTTPDigestAuthHandler.http_error_auth_reqed( |
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130 self, auth_header, host, req, headers) |
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131 except ValueError, inst: |
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132 arg = inst.args[0] |
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133 if arg.startswith("AbstractDigestAuthHandler doesn't know "): |
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134 return |
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135 raise |
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136 |
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137 def zgenerator(f): |
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138 zd = zlib.decompressobj() |
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139 try: |
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140 for chunk in util.filechunkiter(f): |
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141 yield zd.decompress(chunk) |
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142 except httplib.HTTPException, inst: |
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143 raise IOError(None, _('connection ended unexpectedly')) |
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144 yield zd.flush() |
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145 |
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146 _safe = ('abcdefghijklmnopqrstuvwxyz' |
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147 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' |
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148 '0123456789' '_.-/') |
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149 _safeset = None |
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150 _hex = None |
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151 def quotepath(path): |
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152 '''quote the path part of a URL |
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153 |
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154 This is similar to urllib.quote, but it also tries to avoid |
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155 quoting things twice (inspired by wget): |
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156 |
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157 >>> quotepath('abc def') |
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158 'abc%20def' |
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159 >>> quotepath('abc%20def') |
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160 'abc%20def' |
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161 >>> quotepath('abc%20 def') |
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162 'abc%20%20def' |
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163 >>> quotepath('abc def%20') |
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164 'abc%20def%20' |
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165 >>> quotepath('abc def%2') |
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166 'abc%20def%252' |
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167 >>> quotepath('abc def%') |
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168 'abc%20def%25' |
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169 ''' |
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170 global _safeset, _hex |
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171 if _safeset is None: |
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172 _safeset = util.set(_safe) |
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173 _hex = util.set('abcdefABCDEF0123456789') |
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174 l = list(path) |
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175 for i in xrange(len(l)): |
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176 c = l[i] |
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177 if c == '%' and i + 2 < len(l) and (l[i+1] in _hex and l[i+2] in _hex): |
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178 pass |
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179 elif c not in _safeset: |
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180 l[i] = '%%%02X' % ord(c) |
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181 return ''.join(l) |
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182 |
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183 class httprepository(repo.repository): |
60 | 184 def __init__(self, ui, path): |
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185 self.path = path |
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186 self.caps = None |
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187 self.handler = None |
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188 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path) |
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189 if query or frag: |
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190 raise util.Abort(_('unsupported URL component: "%s"') % |
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191 (query or frag)) |
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192 if not urlpath: |
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193 urlpath = '/' |
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194 urlpath = quotepath(urlpath) |
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195 host, port, user, passwd = netlocsplit(netloc) |
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196 |
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197 # urllib cannot handle URLs with embedded user or passwd |
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198 self._url = urlparse.urlunsplit((scheme, netlocunsplit(host, port), |
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199 urlpath, '', '')) |
60 | 200 self.ui = ui |
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201 self.ui.debug(_('using %s\n') % self._url) |
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202 |
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203 proxyurl = ui.config("http_proxy", "host") or os.getenv('http_proxy') |
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204 # XXX proxyauthinfo = None |
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205 handlers = [httphandler()] |
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206 if has_https: |
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207 handlers.append(httpshandler()) |
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208 |
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209 if proxyurl: |
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210 # proxy can be proper url or host[:port] |
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211 if not (proxyurl.startswith('http:') or |
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212 proxyurl.startswith('https:')): |
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213 proxyurl = 'http://' + proxyurl + '/' |
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214 snpqf = urlparse.urlsplit(proxyurl) |
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215 proxyscheme, proxynetloc, proxypath, proxyquery, proxyfrag = snpqf |
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216 hpup = netlocsplit(proxynetloc) |
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217 |
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218 proxyhost, proxyport, proxyuser, proxypasswd = hpup |
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219 if not proxyuser: |
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220 proxyuser = ui.config("http_proxy", "user") |
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221 proxypasswd = ui.config("http_proxy", "passwd") |
515 | 222 |
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223 # see if we should use a proxy for this url |
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224 no_list = [ "localhost", "127.0.0.1" ] |
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225 no_list.extend([p.lower() for |
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226 p in ui.configlist("http_proxy", "no")]) |
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227 no_list.extend([p.strip().lower() for |
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228 p in os.getenv("no_proxy", '').split(',') |
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229 if p.strip()]) |
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230 # "http_proxy.always" config is for running tests on localhost |
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231 if (not ui.configbool("http_proxy", "always") and |
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232 host.lower() in no_list): |
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233 # avoid auto-detection of proxy settings by appending |
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234 # a ProxyHandler with no proxies defined. |
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235 handlers.append(urllib2.ProxyHandler({})) |
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236 ui.debug(_('disabling proxy for %s\n') % host) |
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237 else: |
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238 proxyurl = urlparse.urlunsplit(( |
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239 proxyscheme, netlocunsplit(proxyhost, proxyport, |
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240 proxyuser, proxypasswd or ''), |
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241 proxypath, proxyquery, proxyfrag)) |
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242 handlers.append(urllib2.ProxyHandler({scheme: proxyurl})) |
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243 ui.debug(_('proxying through http://%s:%s\n') % |
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244 (proxyhost, proxyport)) |
321 | 245 |
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246 # urllib2 takes proxy values from the environment and those |
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247 # will take precedence if found, so drop them |
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248 for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: |
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249 try: |
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250 if env in os.environ: |
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251 del os.environ[env] |
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252 except OSError: |
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253 pass |
321 | 254 |
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255 passmgr = passwordmgr(ui) |
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256 if user: |
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257 ui.debug(_('http auth: user %s, password %s\n') % |
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258 (user, passwd and '*' * len(passwd) or 'not set')) |
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259 netloc = host |
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260 if port: |
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261 netloc += ':' + port |
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262 # Python < 2.4.3 uses only the netloc to search for a password |
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263 passmgr.add_password(None, (self._url, netloc), user, passwd or '') |
321 | 264 |
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265 handlers.extend((urllib2.HTTPBasicAuthHandler(passmgr), |
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266 httpdigestauthhandler(passmgr))) |
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267 opener = urllib2.build_opener(*handlers) |
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268 |
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269 # 1.0 here is the _protocol_ version |
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270 opener.addheaders = [('User-agent', 'mercurial/proto-1.0')] |
321 | 271 urllib2.install_opener(opener) |
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272 |
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273 def url(self): |
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274 return self.path |
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275 |
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276 # look up capabilities only when needed |
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277 |
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278 def get_caps(self): |
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279 if self.caps is None: |
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280 try: |
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281 self.caps = util.set(self.do_read('capabilities').split()) |
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282 except repo.RepoError: |
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283 self.caps = util.set() |
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284 self.ui.debug(_('capabilities: %s\n') % |
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285 (' '.join(self.caps or ['none']))) |
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286 return self.caps |
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287 |
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288 capabilities = property(get_caps) |
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289 |
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290 def lock(self): |
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291 raise util.Abort(_('operation not supported over http')) |
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292 |
60 | 293 def do_cmd(self, cmd, **args): |
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294 data = args.pop('data', None) |
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295 headers = args.pop('headers', {}) |
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296 self.ui.debug(_("sending %s command\n") % cmd) |
60 | 297 q = {"cmd": cmd} |
298 q.update(args) | |
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299 qs = '?%s' % urllib.urlencode(q) |
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300 cu = "%s%s" % (self._url, qs) |
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301 try: |
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302 if data: |
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303 self.ui.debug(_("sending %s bytes\n") % len(data)) |
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304 resp = urllib2.urlopen(request(cu, data, headers)) |
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305 except urllib2.HTTPError, inst: |
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306 if inst.code == 401: |
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307 raise util.Abort(_('authorization failed')) |
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308 raise |
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309 except httplib.HTTPException, inst: |
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310 self.ui.debug(_('http error while sending %s command\n') % cmd) |
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311 self.ui.print_exc() |
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312 raise IOError(None, inst) |
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313 except IndexError: |
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314 # this only happens with Python 2.3, later versions raise URLError |
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315 raise util.Abort(_('http error, possibly caused by proxy setting')) |
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316 # record the url we got redirected to |
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317 resp_url = resp.geturl() |
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318 if resp_url.endswith(qs): |
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319 resp_url = resp_url[:-len(qs)] |
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320 if self._url != resp_url: |
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321 self.ui.status(_('real URL is %s\n') % resp_url) |
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322 self._url = resp_url |
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323 try: |
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324 proto = resp.getheader('content-type') |
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325 except AttributeError: |
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326 proto = resp.headers['content-type'] |
752 | 327 |
753 | 328 # accept old "text/plain" and "application/hg-changegroup" for now |
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329 if not (proto.startswith('application/mercurial-') or |
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330 proto.startswith('text/plain') or |
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331 proto.startswith('application/hg-changegroup')): |
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332 self.ui.debug(_("Requested URL: '%s'\n") % cu) |
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333 raise repo.RepoError(_("'%s' does not appear to be an hg repository") |
4633
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334 % self._url) |
752 | 335 |
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336 if proto.startswith('application/mercurial-'): |
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337 try: |
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338 version = proto.split('-', 1)[1] |
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339 version_info = tuple([int(n) for n in version.split('.')]) |
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340 except ValueError: |
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341 raise repo.RepoError(_("'%s' sent a broken Content-Type " |
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342 "header (%s)") % (self._url, proto)) |
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343 if version_info > (0, 1): |
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344 raise repo.RepoError(_("'%s' uses newer protocol %s") % |
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345 (self._url, version)) |
753 | 346 |
752 | 347 return resp |
60 | 348 |
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349 def do_read(self, cmd, **args): |
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350 fp = self.do_cmd(cmd, **args) |
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351 try: |
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352 return fp.read() |
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353 finally: |
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354 # if using keepalive, allow connection to be reused |
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355 fp.close() |
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356 |
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357 def lookup(self, key): |
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358 self.requirecap('lookup', _('look up remote revision')) |
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359 d = self.do_cmd("lookup", key = key).read() |
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360 success, data = d[:-1].split(' ', 1) |
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361 if int(success): |
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362 return bin(data) |
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363 raise repo.RepoError(data) |
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364 |
222 | 365 def heads(self): |
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366 d = self.do_read("heads") |
222 | 367 try: |
368 return map(bin, d[:-1].split(" ")) | |
369 except: | |
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370 raise util.UnexpectedOutput(_("unexpected response:"), d) |
222 | 371 |
60 | 372 def branches(self, nodes): |
373 n = " ".join(map(hex, nodes)) | |
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374 d = self.do_read("branches", nodes=n) |
217 | 375 try: |
376 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] | |
377 return br | |
378 except: | |
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379 raise util.UnexpectedOutput(_("unexpected response:"), d) |
60 | 380 |
381 def between(self, pairs): | |
382 n = "\n".join(["-".join(map(hex, p)) for p in pairs]) | |
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383 d = self.do_read("between", pairs=n) |
217 | 384 try: |
385 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] | |
386 return p | |
387 except: | |
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388 raise util.UnexpectedOutput(_("unexpected response:"), d) |
60 | 389 |
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390 def changegroup(self, nodes, kind): |
60 | 391 n = " ".join(map(hex, nodes)) |
752 | 392 f = self.do_cmd("changegroup", roots=n) |
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393 return util.chunkbuffer(zgenerator(f)) |
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394 |
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395 def changegroupsubset(self, bases, heads, source): |
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396 self.requirecap('changegroupsubset', _('look up remote changes')) |
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397 baselst = " ".join([hex(n) for n in bases]) |
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398 headlst = " ".join([hex(n) for n in heads]) |
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399 f = self.do_cmd("changegroupsubset", bases=baselst, heads=headlst) |
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400 return util.chunkbuffer(zgenerator(f)) |
635
85e2209d401c
Protocol switch from using generators to stream-like objects.
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parents:
634
diff
changeset
|
401 |
2439
e8c4f3d3df8c
extend network protocol to stop clients from locking servers
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402 def unbundle(self, cg, heads, source): |
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403 # have to stream bundle to a temp file because we do not have |
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404 # http 1.1 chunked transfer. |
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405 |
3662
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changeset
|
406 type = "" |
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|
407 types = self.capable('unbundle') |
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fix push over HTTP to older servers
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408 # servers older than d1b16a746db6 will send 'unbundle' as a |
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409 # boolean capability |
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|
410 try: |
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411 types = types.split(',') |
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412 except AttributeError: |
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413 types = [""] |
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|
414 if types: |
3703
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|
415 for x in types: |
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|
416 if x in changegroup.bundletypes: |
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417 type = x |
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changeset
|
418 break |
3613
cbf352b9a3cd
Client support for hgweb unbundle with versions.
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diff
changeset
|
419 |
3662
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changeset
|
420 tempname = changegroup.writebundle(cg, None, type) |
4025
d8b3edf88af0
Subclass file with a __len__ method instead of setting Content-length
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
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changeset
|
421 fp = httpsendfile(tempname, "rb") |
2465
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422 try: |
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|
423 try: |
2467
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|
424 rfp = self.do_cmd( |
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http client: better work with authorization errors, broken sockets.
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diff
changeset
|
425 'unbundle', data=fp, |
5930
c301f15c965a
send conservatively capitalized HTTP headers
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
5915
diff
changeset
|
426 headers={'Content-Type': 'application/octet-stream'}, |
2467
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|
427 heads=' '.join(map(hex, heads))) |
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|
428 try: |
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429 ret = int(rfp.readline()) |
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|
430 self.ui.write(rfp.read()) |
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|
431 return ret |
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|
432 finally: |
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|
433 rfp.close() |
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|
434 except socket.error, err: |
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diff
changeset
|
435 if err[0] in (errno.ECONNRESET, errno.EPIPE): |
3072
bc3fe3b5b785
Never apply string formatting to generated errors with util.Abort.
Thomas Arendsen Hein <thomas@intevation.de>
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diff
changeset
|
436 raise util.Abort(_('push failed: %s') % err[1]) |
2467
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|
437 raise util.Abort(err[1]) |
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|
438 finally: |
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|
439 fp.close() |
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|
440 os.unlink(tempname) |
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|
441 |
2612
ffb895f16925
add support for streaming clone.
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changeset
|
442 def stream_out(self): |
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add support for streaming clone.
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|
443 return self.do_cmd('stream_out') |
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|
444 |
923 | 445 class httpsrepository(httprepository): |
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|
446 def __init__(self, ui, path): |
52ce0d6bc375
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|
447 if not has_https: |
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|
448 raise util.Abort(_('Python support for SSL and HTTPS ' |
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|
449 'is not installed')) |
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|
450 httprepository.__init__(self, ui, path) |
2740
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451 |
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452 def instance(ui, path, create): |
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453 if create: |
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454 raise util.Abort(_('cannot create new http repository')) |
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|
455 if path.startswith('https:'): |
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456 return httpsrepository(ui, path) |
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457 return httprepository(ui, path) |