Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/httprepo.py @ 7641:d2f753830f80

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
error: move UnexpectedOutput (now ResponseError)
author Matt Mackall <mpm@selenic.com>
date Mon, 12 Jan 2009 11:28:28 -0600
parents 1d54e2f6c0b7
children 998fc8f62539
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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142b5d5ec9cc Break apart hg.py
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1 # httprepo.py - HTTP repository proxy classes for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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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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25c0dee16ee0 Autodetect static-http
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9 from node import bin, hex, nullid
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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, socket, changegroup, statichttprepo, error, url
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13
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14 def zgenerator(f):
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15 zd = zlib.decompressobj()
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16 try:
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17 for chunk in util.filechunkiter(f):
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18 yield zd.decompress(chunk)
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19 except httplib.HTTPException:
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20 raise IOError(None, _('connection ended unexpectedly'))
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21 yield zd.flush()
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22
6313
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23 class httprepository(repo.repository):
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24 def __init__(self, ui, path):
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25 self.path = path
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26 self.caps = None
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27 self.handler = None
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28 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path)
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29 if query or frag:
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30 raise util.Abort(_('unsupported URL component: "%s"') %
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31 (query or frag))
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32
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33 # urllib cannot handle URLs with embedded user or passwd
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34 self._url, authinfo = url.getauthinfo(path)
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35
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36 self.ui = ui
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37 self.ui.debug(_('using %s\n') % self._url)
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38
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39 self.urlopener = url.opener(ui, authinfo)
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40
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41 def url(self):
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42 return self.path
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43
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44 # look up capabilities only when needed
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45
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46 def get_caps(self):
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47 if self.caps is None:
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48 try:
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49 self.caps = util.set(self.do_read('capabilities').split())
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50 except error.RepoError:
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51 self.caps = util.set()
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52 self.ui.debug(_('capabilities: %s\n') %
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53 (' '.join(self.caps or ['none'])))
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54 return self.caps
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55
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56 capabilities = property(get_caps)
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57
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58 def lock(self):
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59 raise util.Abort(_('operation not supported over http'))
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60
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61 def do_cmd(self, cmd, **args):
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62 data = args.pop('data', None)
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63 headers = args.pop('headers', {})
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64 self.ui.debug(_("sending %s command\n") % cmd)
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65 q = {"cmd": cmd}
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66 q.update(args)
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67 qs = '?%s' % urllib.urlencode(q)
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68 cu = "%s%s" % (self._url, qs)
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69 try:
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70 if data:
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71 self.ui.debug(_("sending %s bytes\n") % len(data))
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72 resp = self.urlopener.open(urllib2.Request(cu, data, headers))
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73 except urllib2.HTTPError, inst:
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74 if inst.code == 401:
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75 raise util.Abort(_('authorization failed'))
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76 raise
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77 except httplib.HTTPException, inst:
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78 self.ui.debug(_('http error while sending %s command\n') % cmd)
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79 self.ui.print_exc()
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80 raise IOError(None, inst)
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81 except IndexError:
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82 # this only happens with Python 2.3, later versions raise URLError
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83 raise util.Abort(_('http error, possibly caused by proxy setting'))
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84 # record the url we got redirected to
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85 resp_url = resp.geturl()
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86 if resp_url.endswith(qs):
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87 resp_url = resp_url[:-len(qs)]
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88 if self._url != resp_url:
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89 self.ui.status(_('real URL is %s\n') % resp_url)
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90 self._url = resp_url
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91 try:
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92 proto = resp.getheader('content-type')
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93 except AttributeError:
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94 proto = resp.headers['content-type']
752
c693eafd5967 Simplify content type checking
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95
753
8760d0c83b9b Check protocol versions
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96 # accept old "text/plain" and "application/hg-changegroup" for now
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97 if not (proto.startswith('application/mercurial-') or
ff7253a0d1da Cleanup of whitespace, indentation and line continuation.
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98 proto.startswith('text/plain') or
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99 proto.startswith('application/hg-changegroup')):
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100 self.ui.debug(_("Requested URL: '%s'\n") % cu)
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101 raise error.RepoError(_("'%s' does not appear to be an hg repository")
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102 % self._url)
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103
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104 if proto.startswith('application/mercurial-'):
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105 try:
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106 version = proto.split('-', 1)[1]
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107 version_info = tuple([int(n) for n in version.split('.')])
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108 except ValueError:
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109 raise error.RepoError(_("'%s' sent a broken Content-Type "
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110 "header (%s)") % (self._url, proto))
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111 if version_info > (0, 1):
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112 raise error.RepoError(_("'%s' uses newer protocol %s") %
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113 (self._url, version))
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114
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115 return resp
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116
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117 def do_read(self, cmd, **args):
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118 fp = self.do_cmd(cmd, **args)
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119 try:
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120 return fp.read()
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121 finally:
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122 # if using keepalive, allow connection to be reused
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123 fp.close()
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124
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125 def lookup(self, key):
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126 self.requirecap('lookup', _('look up remote revision'))
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127 d = self.do_cmd("lookup", key = key).read()
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128 success, data = d[:-1].split(' ', 1)
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129 if int(success):
233c733e4af5 httprepo: add support for passing lookup exception data
Matt Mackall <mpm@selenic.com>
parents: 3444
diff changeset
130 return bin(data)
7637
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7342
diff changeset
131 raise error.RepoError(data)
3444
3505fcd5a231 Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents: 3399
diff changeset
132
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
133 def heads(self):
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
134 d = self.do_read("heads")
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
135 try:
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
136 return map(bin, d[:-1].split(" "))
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
137 except:
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
138 raise error.ResponseError(_("unexpected response:"), d)
222
87484f627422 make pull work for multiple heads
mpm@selenic.com
parents: 220
diff changeset
139
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
140 def branches(self, nodes):
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
141 n = " ".join(map(hex, nodes))
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
142 d = self.do_read("branches", nodes=n)
217
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
143 try:
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
144 br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ]
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
145 return br
e6d6497a6331 merge: catch unexpected responses
mpm@selenic.com
parents: 216
diff changeset
146 except:
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
147 raise error.ResponseError(_("unexpected response:"), d)
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
148
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
149 def between(self, pairs):
7342
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
150 batch = 8 # avoid giant requests
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
151 r = []
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
152 for i in xrange(0, len(pairs), batch):
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
153 n = " ".join(["-".join(map(hex, p)) for p in pairs[i:i + batch]])
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
154 d = self.do_read("between", pairs=n)
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
155 try:
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
156 r += [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ]
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
157 except:
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
158 raise error.ResponseError(_("unexpected response:"), d)
7342
1dcd2cc6878b protocol: avoid sending outrageously large between requests
Matt Mackall <mpm@selenic.com>
parents: 7280
diff changeset
159 return r
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
160
1736
50de0887bbcd add preoutgoing and outgoing hooks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1402
diff changeset
161 def changegroup(self, nodes, kind):
60
e32fdbd97839 Add hg:// protocol
mpm@selenic.com
parents: 56
diff changeset
162 n = " ".join(map(hex, nodes))
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
163 f = self.do_cmd("changegroup", roots=n)
3661
e99ba8726bda remove duplicate zgenerator in httprepo
Matt Mackall <mpm@selenic.com>
parents: 3614
diff changeset
164 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
165
3505fcd5a231 Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents: 3399
diff changeset
166 def changegroupsubset(self, bases, heads, source):
5259
65dc707606ed Push capability checking into protocol-level code.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5258
diff changeset
167 self.requirecap('changegroupsubset', _('look up remote changes'))
3444
3505fcd5a231 Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents: 3399
diff changeset
168 baselst = " ".join([hex(n) for n in bases])
3505fcd5a231 Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents: 3399
diff changeset
169 headlst = " ".join([hex(n) for n in heads])
3505fcd5a231 Adding changegroupsubset and lookup to web protocol so pull -r and
Eric Hopper <hopper@omnifarious.org>
parents: 3399
diff changeset
170 f = self.do_cmd("changegroupsubset", bases=baselst, heads=headlst)
3661
e99ba8726bda remove duplicate zgenerator in httprepo
Matt Mackall <mpm@selenic.com>
parents: 3614
diff changeset
171 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
172
2439
e8c4f3d3df8c extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2435
diff changeset
173 def unbundle(self, cg, heads, source):
2465
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
174 # have to stream bundle to a temp file because we do not have
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
175 # http 1.1 chunked transfer.
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
176
3662
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
177 type = ""
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
178 types = self.capable('unbundle')
3703
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
179 # servers older than d1b16a746db6 will send 'unbundle' as a
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
180 # boolean capability
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
181 try:
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
182 types = types.split(',')
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
183 except AttributeError:
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
184 types = [""]
3662
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
185 if types:
3703
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
186 for x in types:
3662
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
187 if x in changegroup.bundletypes:
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
188 type = x
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
189 break
3613
cbf352b9a3cd Client support for hgweb unbundle with versions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3609
diff changeset
190
3662
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
191 tempname = changegroup.writebundle(cg, None, type)
7270
2db33c1a5654 factor out the url handling from httprepo
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7269
diff changeset
192 fp = url.httpsendfile(tempname, "rb")
2465
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
193 try:
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
194 try:
7010
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
195 resp = self.do_read(
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
196 'unbundle', data=fp,
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
197 headers={'Content-Type': 'application/octet-stream'},
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
198 heads=' '.join(map(hex, heads)))
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
199 resp_code, output = resp.split('\n', 1)
2467
4e78dc71d946 http client: better work with authorization errors, broken sockets.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2465
diff changeset
200 try:
7010
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
201 ret = int(resp_code)
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
202 except ValueError, err:
7641
d2f753830f80 error: move UnexpectedOutput (now ResponseError)
Matt Mackall <mpm@selenic.com>
parents: 7637
diff changeset
203 raise error.ResponseError(
7010
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
204 _('push failed (unexpected response):'), resp)
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
205 self.ui.write(output)
9141bebefe3e enhance the error output in case of failure during http push
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6787
diff changeset
206 return ret
2467
4e78dc71d946 http client: better work with authorization errors, broken sockets.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2465
diff changeset
207 except socket.error, err:
4e78dc71d946 http client: better work with authorization errors, broken sockets.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2465
diff changeset
208 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>
parents: 2859
diff changeset
209 raise util.Abort(_('push failed: %s') % err[1])
2467
4e78dc71d946 http client: better work with authorization errors, broken sockets.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2465
diff changeset
210 raise util.Abort(err[1])
2465
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
211 finally:
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
212 fp.close()
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
213 os.unlink(tempname)
2439
e8c4f3d3df8c extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2435
diff changeset
214
2612
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2569
diff changeset
215 def stream_out(self):
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2569
diff changeset
216 return self.do_cmd('stream_out')
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2569
diff changeset
217
923
c7a3b88505cd Add basic https support for pull
mpm@selenic.com
parents: 919
diff changeset
218 class httpsrepository(httprepository):
2569
52ce0d6bc375 HTTPS: fix python2.3, persistent connections, don't explode if SSL is not available
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2557
diff changeset
219 def __init__(self, ui, path):
7279
1f0f84660dea Fix https availability checking
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7270
diff changeset
220 if not url.has_https:
2569
52ce0d6bc375 HTTPS: fix python2.3, persistent connections, don't explode if SSL is not available
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2557
diff changeset
221 raise util.Abort(_('Python support for SSL and HTTPS '
52ce0d6bc375 HTTPS: fix python2.3, persistent connections, don't explode if SSL is not available
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2557
diff changeset
222 'is not installed'))
52ce0d6bc375 HTTPS: fix python2.3, persistent connections, don't explode if SSL is not available
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2557
diff changeset
223 httprepository.__init__(self, ui, path)
2740
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2673
diff changeset
224
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2673
diff changeset
225 def instance(ui, path, create):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2673
diff changeset
226 if create:
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2673
diff changeset
227 raise util.Abort(_('cannot create new http repository'))
7211
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
228 try:
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
229 if path.startswith('https:'):
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
230 inst = httpsrepository(ui, path)
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
231 else:
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
232 inst = httprepository(ui, path)
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
233 inst.between([(nullid, nullid)])
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
234 return inst
7637
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7342
diff changeset
235 except error.RepoError:
7211
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
236 ui.note('(falling back to static-http)\n')
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
237 return statichttprepo.instance(ui, "static-" + path, create)