annotate mercurial/httprepo.py @ 12583:903828be7397

mq: explain qpush -f better
author Mads Kiilerich <mads@kiilerich.com>
date Wed, 29 Sep 2010 01:32:50 +0200
parents c327bfa5e831
children 6bd9778ae749
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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>
345bac2bc4ec update copyrights.
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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 of the
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7 # GNU General Public License version 2 or any later version.
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8
12062
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9 from node import nullid
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10 from i18n import _
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11 import changegroup, statichttprepo, error, url, util, wireproto
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12 import os, urllib, urllib2, urlparse, zlib, httplib
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diff changeset
13 import errno, socket
4678
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4633
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14
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15 def zgenerator(f):
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16 zd = zlib.decompressobj()
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17 try:
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18 for chunk in util.filechunkiter(f):
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19 while chunk:
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20 yield zd.decompress(chunk, 2**18)
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21 chunk = zd.unconsumed_tail
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22 except httplib.HTTPException:
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23 raise IOError(None, _('connection ended unexpectedly'))
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24 yield zd.flush()
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25
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26 class httprepository(wireproto.wirerepository):
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27 def __init__(self, ui, path):
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28 self.path = path
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29 self.caps = None
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30 self.handler = None
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31 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path)
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32 if query or frag:
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33 raise util.Abort(_('unsupported URL component: "%s"') %
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34 (query or frag))
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35
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36 # urllib cannot handle URLs with embedded user or passwd
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37 self._url, authinfo = url.getauthinfo(path)
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38
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39 self.ui = ui
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40 self.ui.debug('using %s\n' % self._url)
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41
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42 self.urlopener = url.opener(ui, authinfo)
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43
7752
998fc8f62539 close sockets on httprepository deletion (issue1487)
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44 def __del__(self):
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45 for h in self.urlopener.handlers:
998fc8f62539 close sockets on httprepository deletion (issue1487)
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46 h.close()
998fc8f62539 close sockets on httprepository deletion (issue1487)
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47 if hasattr(h, "close_all"):
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48 h.close_all()
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49
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50 def url(self):
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51 return self.path
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52
2442
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53 # look up capabilities only when needed
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54
c660691fb45d http: query server for capabilities
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55 def get_caps(self):
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56 if self.caps is None:
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57 try:
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58 self.caps = set(self._call('capabilities').split())
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59 except error.RepoError:
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bbc24c0753a0 util: use built-in set and frozenset
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60 self.caps = set()
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61 self.ui.debug('capabilities: %s\n' %
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62 (' '.join(self.caps or ['none'])))
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63 return self.caps
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64
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65 capabilities = property(get_caps)
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66
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67 def lock(self):
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68 raise util.Abort(_('operation not supported over http'))
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69
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70 def _callstream(self, cmd, **args):
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71 data = args.pop('data', None)
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72 headers = args.pop('headers', {})
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73 self.ui.debug("sending %s command\n" % cmd)
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e32fdbd97839 Add hg:// protocol
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74 q = {"cmd": cmd}
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75 q.update(args)
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76 qs = '?%s' % urllib.urlencode(q)
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77 cu = "%s%s" % (self._url, qs)
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d7e582cab6b6 http: len(x) fails if it doesn't fit into an int, use __len__() instead
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78 req = urllib2.Request(cu, data, headers)
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79 if data is not None:
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80 # len(data) is broken if data doesn't fit into Py_ssize_t
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81 # add the header ourself to avoid OverflowError
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82 size = data.__len__()
d7e582cab6b6 http: len(x) fails if it doesn't fit into an int, use __len__() instead
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83 self.ui.debug("sending %s bytes\n" % size)
d7e582cab6b6 http: len(x) fails if it doesn't fit into an int, use __len__() instead
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84 req.add_unredirected_header('Content-Length', '%d' % size)
2294
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
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diff changeset
85 try:
10491
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diff changeset
86 resp = self.urlopener.open(req)
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diff changeset
87 except urllib2.HTTPError, inst:
4e78dc71d946 http client: better work with authorization errors, broken sockets.
Vadim Gelfer <vadim.gelfer@gmail.com>
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88 if inst.code == 401:
4e78dc71d946 http client: better work with authorization errors, broken sockets.
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diff changeset
89 raise util.Abort(_('authorization failed'))
4e78dc71d946 http client: better work with authorization errors, broken sockets.
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parents: 2465
diff changeset
90 raise
2294
ce67fa312f61 Catch urllib's HTTPException and give a meaningful error message to the user.
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parents: 2281
diff changeset
91 except httplib.HTTPException, inst:
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4c041f1ee1b4 do not attempt to translate ui.debug output
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diff changeset
92 self.ui.debug('http error while sending %s command\n' % cmd)
8206
cce63ef1045b ui: print_exc() -> traceback()
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parents: 8150
diff changeset
93 self.ui.traceback()
2336
f77edcffb837 http: print better error if exception happens.
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parents: 2294
diff changeset
94 raise IOError(None, inst)
3399
5dbb3a991bbf Catch python2.3's IndexError with bogus http proxy settings. (issue203)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3223
diff changeset
95 except IndexError:
5dbb3a991bbf Catch python2.3's IndexError with bogus http proxy settings. (issue203)
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parents: 3223
diff changeset
96 # this only happens with Python 2.3, later versions raise URLError
5dbb3a991bbf Catch python2.3's IndexError with bogus http proxy settings. (issue203)
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diff changeset
97 raise util.Abort(_('http error, possibly caused by proxy setting'))
3562
88b4755fa48f httprepo: record the url after a request, makes pull + redirect works
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parents: 3445
diff changeset
98 # record the url we got redirected to
3570
c141d07198b9 Inform the user about the new URL when being redirected via http.
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diff changeset
99 resp_url = resp.geturl()
c141d07198b9 Inform the user about the new URL when being redirected via http.
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parents: 3569
diff changeset
100 if resp_url.endswith(qs):
c141d07198b9 Inform the user about the new URL when being redirected via http.
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parents: 3569
diff changeset
101 resp_url = resp_url[:-len(qs)]
9881
54b518fc6671 httprepo: suppress the `real URL is...' message in safe, common cases.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9878
diff changeset
102 if self._url.rstrip('/') != resp_url.rstrip('/'):
3570
c141d07198b9 Inform the user about the new URL when being redirected via http.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3569
diff changeset
103 self.ui.status(_('real URL is %s\n') % resp_url)
10208
37c4ce51a12d httprepo: always store the response url (issue1968)
Steve Borho <steve@borho.org>
parents: 9881
diff changeset
104 self._url = resp_url
2435
ff2bac730b99 http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2337
diff changeset
105 try:
ff2bac730b99 http client: support persistent connections.
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parents: 2337
diff changeset
106 proto = resp.getheader('content-type')
ff2bac730b99 http client: support persistent connections.
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parents: 2337
diff changeset
107 except AttributeError:
ff2bac730b99 http client: support persistent connections.
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parents: 2337
diff changeset
108 proto = resp.headers['content-type']
752
c693eafd5967 Simplify content type checking
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parents: 751
diff changeset
109
8053
976170068286 hide passwords in httprepo error messages
Steve Borho <steve@borho.org>
parents: 7752
diff changeset
110 safeurl = url.hidepassword(self._url)
753
8760d0c83b9b Check protocol versions
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parents: 752
diff changeset
111 # accept old "text/plain" and "application/hg-changegroup" for now
4633
ff7253a0d1da Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4516
diff changeset
112 if not (proto.startswith('application/mercurial-') or
ff7253a0d1da Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4516
diff changeset
113 proto.startswith('text/plain') or
ff7253a0d1da Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4516
diff changeset
114 proto.startswith('application/hg-changegroup')):
9467
4c041f1ee1b4 do not attempt to translate ui.debug output
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parents: 8563
diff changeset
115 self.ui.debug("requested URL: '%s'\n" % url.hidepassword(cu))
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10264
diff changeset
116 raise error.RepoError(
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10264
diff changeset
117 _("'%s' does not appear to be an hg repository:\n"
08a0f04b56bd many, many trivial check-code fixups
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parents: 10264
diff changeset
118 "---%%<--- (%s)\n%s\n---%%<---\n")
08a0f04b56bd many, many trivial check-code fixups
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parents: 10264
diff changeset
119 % (safeurl, proto, resp.read()))
752
c693eafd5967 Simplify content type checking
mpm@selenic.com
parents: 751
diff changeset
120
4012
d1e31d7f7d44 fix handling of multiple Content-type headers
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3703
diff changeset
121 if proto.startswith('application/mercurial-'):
d1e31d7f7d44 fix handling of multiple Content-type headers
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3703
diff changeset
122 try:
4356
aed9e6dceb85 Avoid float rounding errors when checking http protocol version.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4226
diff changeset
123 version = proto.split('-', 1)[1]
aed9e6dceb85 Avoid float rounding errors when checking http protocol version.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4226
diff changeset
124 version_info = tuple([int(n) for n in version.split('.')])
4012
d1e31d7f7d44 fix handling of multiple Content-type headers
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3703
diff changeset
125 except ValueError:
7637
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7342
diff changeset
126 raise error.RepoError(_("'%s' sent a broken Content-Type "
8053
976170068286 hide passwords in httprepo error messages
Steve Borho <steve@borho.org>
parents: 7752
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127 "header (%s)") % (safeurl, proto))
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aed9e6dceb85 Avoid float rounding errors when checking http protocol version.
Thomas Arendsen Hein <thomas@intevation.de>
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128 if version_info > (0, 1):
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129 raise error.RepoError(_("'%s' uses newer protocol %s") %
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130 (safeurl, version))
753
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mpm@selenic.com
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131
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c693eafd5967 Simplify content type checking
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132 return resp
60
e32fdbd97839 Add hg:// protocol
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133
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134 def _call(self, cmd, **args):
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135 fp = self._callstream(cmd, **args)
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ff2bac730b99 http client: support persistent connections.
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parents: 2337
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136 try:
ff2bac730b99 http client: support persistent connections.
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137 return fp.read()
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138 finally:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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139 # if using keepalive, allow connection to be reused
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140 fp.close()
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parents: 2337
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141
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parents: 11591
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142 def _callpush(self, cmd, cg, **args):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
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143 # 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>
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144 # http 1.1 chunked transfer.
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parents: 2447
diff changeset
145
3662
f4dc02d7fb71 unduplicate bundle writing code from httprepo
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parents: 3661
diff changeset
146 type = ""
f4dc02d7fb71 unduplicate bundle writing code from httprepo
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parents: 3661
diff changeset
147 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
148 # 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
149 # boolean capability
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parents: 3662
diff changeset
150 try:
e674cae8efee fix push over HTTP to older servers
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parents: 3662
diff changeset
151 types = types.split(',')
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
152 except AttributeError:
e674cae8efee fix push over HTTP to older servers
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parents: 3662
diff changeset
153 types = [""]
3662
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Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
154 if types:
3703
e674cae8efee fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3662
diff changeset
155 for x in types:
3662
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Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
156 if x in changegroup.bundletypes:
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
157 type = x
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
158 break
3613
cbf352b9a3cd Client support for hgweb unbundle with versions.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3609
diff changeset
159
3662
f4dc02d7fb71 unduplicate bundle writing code from httprepo
Matt Mackall <mpm@selenic.com>
parents: 3661
diff changeset
160 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
161 fp = url.httpsendfile(tempname, "rb")
11592
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Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
162 headers = {'Content-Type': 'application/mercurial-0.1'}
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
163
2465
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
164 try:
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
165 try:
11592
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Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
166 r = self._call(cmd, data=fp, headers=headers, **args)
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
167 return r.split('\n', 1)
2467
4e78dc71d946 http client: better work with authorization errors, broken sockets.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2465
diff changeset
168 except socket.error, err:
11567
34cc8b84407f removed exception args indexing (not supported by py3k)
Renato Cunha <renatoc@gmail.com>
parents: 11370
diff changeset
169 if err.args[0] in (errno.ECONNRESET, errno.EPIPE):
34cc8b84407f removed exception args indexing (not supported by py3k)
Renato Cunha <renatoc@gmail.com>
parents: 11370
diff changeset
170 raise util.Abort(_('push failed: %s') % err.args[1])
34cc8b84407f removed exception args indexing (not supported by py3k)
Renato Cunha <renatoc@gmail.com>
parents: 11370
diff changeset
171 raise util.Abort(err.args[1])
2465
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
172 finally:
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
173 fp.close()
c91118f425d0 push over http: client support.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2447
diff changeset
174 os.unlink(tempname)
2439
e8c4f3d3df8c extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2435
diff changeset
175
11592
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Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
176 def _abort(self, exception):
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
177 raise exception
2612
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2569
diff changeset
178
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
179 def _decompress(self, stream):
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
180 return util.chunkbuffer(zgenerator(stream))
11370
db3f6f0e4e7d pushkey: add http support
Matt Mackall <mpm@selenic.com>
parents: 11153
diff changeset
181
923
c7a3b88505cd Add basic https support for pull
mpm@selenic.com
parents: 919
diff changeset
182 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
183 def __init__(self, ui, path):
7279
1f0f84660dea Fix https availability checking
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7270
diff changeset
184 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
185 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
186 '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
187 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
188
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2673
diff changeset
189 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
190 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
191 raise util.Abort(_('cannot create new http repository'))
7211
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
192 try:
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
193 if path.startswith('https:'):
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
194 inst = httpsrepository(ui, path)
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
195 else:
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
196 inst = httprepository(ui, path)
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
197 inst.between([(nullid, nullid)])
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
198 return inst
7637
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7342
diff changeset
199 except error.RepoError:
7211
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
200 ui.note('(falling back to static-http)\n')
25c0dee16ee0 Autodetect static-http
Matt Mackall <mpm@selenic.com>
parents: 7207
diff changeset
201 return statichttprepo.instance(ui, "static-" + path, create)