Mercurial > public > mercurial-scm > hg

annotate mercurial/httprepo.py @ 2435:ff2bac730b99

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http client: support persistent connections. uses keepalive module from urlgrabber package. tested against "hg serve", cgi server, and through http proxy. used ethereal to verify that only one tcp connection used during entire "hg pull" sequence. if server supports keepalive, this makes latency of "hg pull" much lower.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Thu, 15 Jun 2006 12:57:59 -0700
parents 3f24bc5dee81
children e8c4f3d3df8c
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1 # httprepo.py - HTTP repository proxy classes for mercurial
0
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from node import *
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9 from remoterepo import *
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10 from i18n import gettext as _
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11 from demandload import *
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12 demandload(globals(), "hg os urllib urllib2 urlparse zlib util httplib")
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13 demandload(globals(), "keepalive")
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14
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15 class passwordmgr(urllib2.HTTPPasswordMgr):
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16 def __init__(self, ui):
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17 urllib2.HTTPPasswordMgr.__init__(self)
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18 self.ui = ui
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19
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20 def find_user_password(self, realm, authuri):
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21 authinfo = urllib2.HTTPPasswordMgr.find_user_password(
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22 self, realm, authuri)
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23 if authinfo != (None, None):
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24 return authinfo
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25
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26 if not 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 user = self.ui.prompt(_("user:"), default=None)
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32 passwd = self.ui.getpass()
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33
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34 self.add_password(realm, authuri, user, passwd)
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35 return (user, passwd)
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36
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37 def netlocsplit(netloc):
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38 '''split [user[:passwd]@]host[:port] into 4-tuple.'''
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39
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40 a = netloc.find('@')
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41 if a == -1:
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42 user, passwd = None, None
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43 else:
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44 userpass, netloc = netloc[:a], netloc[a+1:]
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45 c = userpass.find(':')
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46 if c == -1:
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47 user, passwd = urllib.unquote(userpass), None
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48 else:
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49 user = urllib.unquote(userpass[:c])
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50 passwd = urllib.unquote(userpass[c+1:])
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51 c = netloc.find(':')
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52 if c == -1:
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53 host, port = netloc, None
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54 else:
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55 host, port = netloc[:c], netloc[c+1:]
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56 return host, port, user, passwd
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57
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58 def netlocunsplit(host, port, user=None, passwd=None):
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59 '''turn host, port, user, passwd into [user[:passwd]@]host[:port].'''
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60 if port:
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61 hostport = host + ':' + port
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62 else:
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63 hostport = host
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64 if user:
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65 if passwd:
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66 userpass = urllib.quote(user) + ':' + urllib.quote(passwd)
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67 else:
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68 userpass = urllib.quote(user)
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69 return userpass + '@' + hostport
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70 return hostport
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71
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72 class httprepository(remoterepository):
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73 def __init__(self, ui, path):
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74 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path)
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75 if query or frag:
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76 raise util.Abort(_('unsupported URL component: "%s"') %
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77 (query or frag))
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78 if not urlpath: urlpath = '/'
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79 host, port, user, passwd = netlocsplit(netloc)
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80
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81 # urllib cannot handle URLs with embedded user or passwd
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82 self.url = urlparse.urlunsplit((scheme, netlocunsplit(host, port),
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83 urlpath, '', ''))
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84 self.ui = ui
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85
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86 proxyurl = ui.config("http_proxy", "host") or os.getenv('http_proxy')
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87 proxyauthinfo = None
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88 handler = keepalive.HTTPHandler()
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89
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90 if proxyurl:
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91 # proxy can be proper url or host[:port]
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92 if not (proxyurl.startswith('http:') or
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93 proxyurl.startswith('https:')):
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94 proxyurl = 'http://' + proxyurl + '/'
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95 snpqf = urlparse.urlsplit(proxyurl)
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96 proxyscheme, proxynetloc, proxypath, proxyquery, proxyfrag = snpqf
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97 hpup = netlocsplit(proxynetloc)
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98
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99 proxyhost, proxyport, proxyuser, proxypasswd = hpup
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100 if not proxyuser:
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101 proxyuser = ui.config("http_proxy", "user")
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102 proxypasswd = ui.config("http_proxy", "passwd")
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103
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104 # see if we should use a proxy for this url
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105 no_list = [ "localhost", "127.0.0.1" ]
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106 no_list.extend([p.strip().lower() for
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107 p in ui.config("http_proxy", "no", '').split(',')
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108 if p.strip()])
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109 no_list.extend([p.strip().lower() for
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110 p in os.getenv("no_proxy", '').split(',')
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111 if p.strip()])
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112 # "http_proxy.always" config is for running tests on localhost
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113 if (not ui.configbool("http_proxy", "always") and
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114 host.lower() in no_list):
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115 ui.debug(_('disabling proxy for %s\n') % host)
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116 else:
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117 proxyurl = urlparse.urlunsplit((
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118 proxyscheme, netlocunsplit(proxyhost, proxyport,
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119 proxyuser, proxypasswd or ''),
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120 proxypath, proxyquery, proxyfrag))
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121 handler = urllib2.ProxyHandler({scheme: proxyurl})
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122 ui.debug(_('proxying through %s\n') % proxyurl)
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
123
2337
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
124 # urllib2 takes proxy values from the environment and those
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
125 # will take precedence if found, so drop them
424
9294dce4b633 Allow override of HTTP_PROXY, http_proxy and no_proxy; make no_proxy work.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 385
diff changeset
126 for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]:
859
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
127 try:
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
128 if os.environ.has_key(env):
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
129 del os.environ[env]
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
130 except OSError:
6390c377a9e6 Trap OSError when deleting env vars
Edouard Gomez <ed.gomez@free.fr>
parents: 856
diff changeset
131 pass
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
132
2337
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
133 passmgr = passwordmgr(ui)
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
134 if user:
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
135 ui.debug(_('will use user %s for http auth\n') % user)
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
136 passmgr.add_password(None, host, user, passwd or '')
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
137
2337
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
138 opener = urllib2.build_opener(
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
139 handler,
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
140 urllib2.HTTPBasicAuthHandler(passmgr),
3f24bc5dee81 http: fix many problems with url parsing and auth. added proxy test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2336
diff changeset
141 urllib2.HTTPDigestAuthHandler(passmgr))
2281
7761597b5da3 prompt user for http authentication info
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2015
diff changeset
142
1359
51ac9a79f3e5 Set the user agent for httprepo communication
Matt Mackall <mpm@selenic.com>
parents: 1251
diff changeset
143 # 1.0 here is the _protocol_ version
51ac9a79f3e5 Set the user agent for httprepo communication
Matt Mackall <mpm@selenic.com>
parents: 1251
diff changeset
144 opener.addheaders = [('User-agent', 'mercurial/proto-1.0')]
321
73b8a8a059ec Transparent proxy support
mpm@selenic.com
parents: 317
diff changeset
145 urllib2.install_opener(opener)
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
146
634
da5378d39269 Add a repo method to report repo device
Matt Mackall <mpm@selenic.com>
parents: 627
diff changeset
147 def dev(self):
da5378d39269 Add a repo method to report repo device
Matt Mackall <mpm@selenic.com>
parents: 627
diff changeset
148 return -1
da5378d39269 Add a repo method to report repo device
Matt Mackall <mpm@selenic.com>
parents: 627
diff changeset
149
1870
8a8ab47cccde make push over http print good error message.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
150 def lock(self):
8a8ab47cccde make push over http print good error message.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
151 raise util.Abort(_('operation not supported over http'))
8a8ab47cccde make push over http print good error message.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
152
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
153 def do_cmd(self, cmd, **args):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
154 self.ui.debug(_("sending %s command\n") % cmd)
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
155 q = {"cmd": cmd}
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
156 q.update(args)
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
157 qs = urllib.urlencode(q)
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
158 cu = "%s?%s" % (self.url, qs)
2294
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2281
diff changeset
159 try:
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2281
diff changeset
160 resp = urllib2.urlopen(cu)
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2281
diff changeset
161 except httplib.HTTPException, inst:
2336
f77edcffb837 http: print better error if exception happens.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2294
diff changeset
162 self.ui.debug(_('http error while sending %s command\n') % cmd)
f77edcffb837 http: print better error if exception happens.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2294
diff changeset
163 self.ui.print_exc()
f77edcffb837 http: print better error if exception happens.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2294
diff changeset
164 raise IOError(None, inst)
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
165 try:
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
166 proto = resp.getheader('content-type')
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
167 except AttributeError:
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
168 proto = resp.headers['content-type']
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
169
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
170 # accept old "text/plain" and "application/hg-changegroup" for now
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
171 if not proto.startswith('application/mercurial') and \
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
172 not proto.startswith('text/plain') and \
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
173 not proto.startswith('application/hg-changegroup'):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
174 raise hg.RepoError(_("'%s' does not appear to be an hg repository") %
1251
84cf8834efb5 Fix lots of exception-related problems.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1089
diff changeset
175 self.url)
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
176
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
177 if proto.startswith('application/mercurial'):
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
178 version = proto[22:]
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
179 if float(version) > 0.1:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
180 raise hg.RepoError(_("'%s' uses newer protocol %s") %
1251
84cf8834efb5 Fix lots of exception-related problems.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1089
diff changeset
181 (self.url, version))
753
8760d0c83b9b Check protocol versions
mpm@selenic.com
parents: 752
diff changeset
182
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
183 return resp
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
184
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
185 def do_read(self, cmd, **args):
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
186 fp = self.do_cmd(cmd, **args)
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
187 try:
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
188 return fp.read()
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
189 finally:
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
190 # if using keepalive, allow connection to be reused
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
191 fp.close()
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
192
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
193 def heads(self):
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
194 d = self.do_read("heads")
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
195 try:
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
196 return map(bin, d[:-1].split(" "))
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
197 except:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
198 self.ui.warn(_("unexpected response:\n") + d[:400] + "\n...\n")
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
199 raise
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
200
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
201 def branches(self, nodes):
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
202 n = " ".join(map(hex, nodes))
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
203 d = self.do_read("branches", nodes=n)
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
204 try:
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
205 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ]
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
206 return br
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
207 except:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
208 self.ui.warn(_("unexpected response:\n") + d[:400] + "\n...\n")
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
209 raise
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
210
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
211 def between(self, pairs):
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
212 n = "\n".join(["-".join(map(hex, p)) for p in pairs])
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
213 d = self.do_read("between", pairs=n)
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
214 try:
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
215 p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ]
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
216 return p
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
217 except:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
218 self.ui.warn(_("unexpected response:\n") + d[:400] + "\n...\n")
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
219 raise
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
220
1736
50de0887bbcd add preoutgoing and outgoing hooks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1402
diff changeset
221 def changegroup(self, nodes, kind):
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
222 n = " ".join(map(hex, nodes))
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
223 f = self.do_cmd("changegroup", roots=n)
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 191
diff changeset
224 bytes = 0
635
85e2209d401c Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents: 634
diff changeset
225
1376
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
226 def zgenerator(f):
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
227 zd = zlib.decompressobj()
2015
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
228 try:
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
229 for chnk in f:
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
230 yield zd.decompress(chnk)
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
231 except httplib.HTTPException, inst:
1a09814a5b1f Catch HTTPException when reading from remote http repository.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1870
diff changeset
232 raise IOError(None, _('connection ended unexpectedly'))
1376
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
233 yield zd.flush()
635
85e2209d401c Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents: 634
diff changeset
234
1376
524ca4a06f70 Fix same performance bug as c3654cfaa77 but for httprepo.py instead.
Eric Hopper <hopper@omnifarious.org>
parents: 1359
diff changeset
235 return util.chunkbuffer(zgenerator(util.filechunkiter(f)))
635
85e2209d401c Protocol switch from using generators to stream-like objects.
Matt Mackall <mpm@selenic.com>
parents: 634
diff changeset
236
923
c7a3b88505cd Add basic https support for pull
mpm@selenic.com
parents: 919
diff changeset
237 class httpsrepository(httprepository):
c7a3b88505cd Add basic https support for pull
mpm@selenic.com
parents: 919
diff changeset
238 pass