author | Nishanth Amuluru <nishanth@fossee.in> |
Sun, 09 Jan 2011 11:13:36 +0530 | |
changeset 114 | 1a88b04adb39 |
parent 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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# httprepo.py - HTTP repository proxy classes for mercurial |
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# |
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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|
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from node import nullid |
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from i18n import _ |
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import changegroup, statichttprepo, error, url, util, wireproto |
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import os, urllib, urllib2, urlparse, zlib, httplib |
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import errno, socket |
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|
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def zgenerator(f): |
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zd = zlib.decompressobj() |
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try: |
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for chunk in util.filechunkiter(f): |
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while chunk: |
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yield zd.decompress(chunk, 2**18) |
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chunk = zd.unconsumed_tail |
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except httplib.HTTPException: |
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raise IOError(None, _('connection ended unexpectedly')) |
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yield zd.flush() |
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|
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class httprepository(wireproto.wirerepository): |
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def __init__(self, ui, path): |
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self.path = path |
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self.caps = None |
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self.handler = None |
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scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path) |
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if query or frag: |
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raise util.Abort(_('unsupported URL component: "%s"') % |
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(query or frag)) |
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|
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# urllib cannot handle URLs with embedded user or passwd |
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self._url, authinfo = url.getauthinfo(path) |
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self.ui = ui |
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self.ui.debug('using %s\n' % self._url) |
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self.urlopener = url.opener(ui, authinfo) |
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|
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def __del__(self): |
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for h in self.urlopener.handlers: |
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h.close() |
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if hasattr(h, "close_all"): |
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h.close_all() |
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|
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def url(self): |
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return self.path |
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# look up capabilities only when needed |
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|
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def get_caps(self): |
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if self.caps is None: |
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try: |
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self.caps = set(self._call('capabilities').split()) |
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except error.RepoError: |
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self.caps = set() |
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self.ui.debug('capabilities: %s\n' % |
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(' '.join(self.caps or ['none']))) |
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return self.caps |
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capabilities = property(get_caps) |
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|
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def lock(self): |
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raise util.Abort(_('operation not supported over http')) |
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def _callstream(self, cmd, **args): |
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if cmd == 'pushkey': |
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args['data'] = '' |
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data = args.pop('data', None) |
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headers = args.pop('headers', {}) |
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self.ui.debug("sending %s command\n" % cmd) |
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q = {"cmd": cmd} |
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q.update(args) |
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qs = '?%s' % urllib.urlencode(q) |
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cu = "%s%s" % (self._url, qs) |
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req = urllib2.Request(cu, data, headers) |
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if data is not None: |
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# len(data) is broken if data doesn't fit into Py_ssize_t |
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# add the header ourself to avoid OverflowError |
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84 |
size = data.__len__() |
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self.ui.debug("sending %s bytes\n" % size) |
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req.add_unredirected_header('Content-Length', '%d' % size) |
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try: |
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88 |
resp = self.urlopener.open(req) |
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89 |
except urllib2.HTTPError, inst: |
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90 |
if inst.code == 401: |
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91 |
raise util.Abort(_('authorization failed')) |
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92 |
raise |
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93 |
except httplib.HTTPException, inst: |
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94 |
self.ui.debug('http error while sending %s command\n' % cmd) |
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95 |
self.ui.traceback() |
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96 |
raise IOError(None, inst) |
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97 |
except IndexError: |
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98 |
# this only happens with Python 2.3, later versions raise URLError |
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99 |
raise util.Abort(_('http error, possibly caused by proxy setting')) |
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100 |
# record the url we got redirected to |
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101 |
resp_url = resp.geturl() |
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102 |
if resp_url.endswith(qs): |
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103 |
resp_url = resp_url[:-len(qs)] |
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104 |
if self._url.rstrip('/') != resp_url.rstrip('/'): |
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105 |
self.ui.status(_('real URL is %s\n') % resp_url) |
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106 |
self._url = resp_url |
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107 |
try: |
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108 |
proto = resp.getheader('content-type') |
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109 |
except AttributeError: |
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110 |
proto = resp.headers['content-type'] |
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111 |
|
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112 |
safeurl = url.hidepassword(self._url) |
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113 |
# accept old "text/plain" and "application/hg-changegroup" for now |
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114 |
if not (proto.startswith('application/mercurial-') or |
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115 |
proto.startswith('text/plain') or |
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116 |
proto.startswith('application/hg-changegroup')): |
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117 |
self.ui.debug("requested URL: '%s'\n" % url.hidepassword(cu)) |
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118 |
raise error.RepoError( |
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119 |
_("'%s' does not appear to be an hg repository:\n" |
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120 |
"---%%<--- (%s)\n%s\n---%%<---\n") |
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121 |
% (safeurl, proto, resp.read())) |
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122 |
|
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123 |
if proto.startswith('application/mercurial-'): |
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124 |
try: |
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125 |
version = proto.split('-', 1)[1] |
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126 |
version_info = tuple([int(n) for n in version.split('.')]) |
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127 |
except ValueError: |
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128 |
raise error.RepoError(_("'%s' sent a broken Content-Type " |
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129 |
"header (%s)") % (safeurl, proto)) |
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|
130 |
if version_info > (0, 1): |
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131 |
raise error.RepoError(_("'%s' uses newer protocol %s") % |
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132 |
(safeurl, version)) |
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|
133 |
|
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134 |
return resp |
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135 |
|
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136 |
def _call(self, cmd, **args): |
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137 |
fp = self._callstream(cmd, **args) |
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138 |
try: |
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139 |
return fp.read() |
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140 |
finally: |
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|
141 |
# if using keepalive, allow connection to be reused |
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142 |
fp.close() |
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143 |
|
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144 |
def _callpush(self, cmd, cg, **args): |
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145 |
# have to stream bundle to a temp file because we do not have |
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146 |
# http 1.1 chunked transfer. |
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147 |
|
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148 |
type = "" |
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149 |
types = self.capable('unbundle') |
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150 |
# servers older than d1b16a746db6 will send 'unbundle' as a |
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|
151 |
# boolean capability |
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|
152 |
try: |
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|
153 |
types = types.split(',') |
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154 |
except AttributeError: |
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|
155 |
types = [""] |
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|
156 |
if types: |
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|
157 |
for x in types: |
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|
158 |
if x in changegroup.bundletypes: |
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|
159 |
type = x |
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|
160 |
break |
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|
161 |
|
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|
162 |
tempname = changegroup.writebundle(cg, None, type) |
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|
163 |
fp = url.httpsendfile(tempname, "rb") |
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|
164 |
headers = {'Content-Type': 'application/mercurial-0.1'} |
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|
165 |
|
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|
166 |
try: |
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|
167 |
try: |
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|
168 |
r = self._call(cmd, data=fp, headers=headers, **args) |
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|
169 |
return r.split('\n', 1) |
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|
170 |
except socket.error, err: |
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Added buildout stuff and made changes accordingly
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|
171 |
if err.args[0] in (errno.ECONNRESET, errno.EPIPE): |
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Added buildout stuff and made changes accordingly
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|
172 |
raise util.Abort(_('push failed: %s') % err.args[1]) |
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Added buildout stuff and made changes accordingly
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|
173 |
raise util.Abort(err.args[1]) |
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Added buildout stuff and made changes accordingly
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|
174 |
finally: |
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parents:
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|
175 |
fp.close() |
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Added buildout stuff and made changes accordingly
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parents:
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|
176 |
os.unlink(tempname) |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
177 |
|
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|
178 |
def _abort(self, exception): |
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|
179 |
raise exception |
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|
180 |
|
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|
181 |
def _decompress(self, stream): |
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|
182 |
return util.chunkbuffer(zgenerator(stream)) |
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Added buildout stuff and made changes accordingly
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changeset
|
183 |
|
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|
184 |
class httpsrepository(httprepository): |
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|
185 |
def __init__(self, ui, path): |
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|
186 |
if not url.has_https: |
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|
187 |
raise util.Abort(_('Python support for SSL and HTTPS ' |
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parents:
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|
188 |
'is not installed')) |
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|
189 |
httprepository.__init__(self, ui, path) |
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|
190 |
|
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|
191 |
def instance(ui, path, create): |
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Added buildout stuff and made changes accordingly
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parents:
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|
192 |
if create: |
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changeset
|
193 |
raise util.Abort(_('cannot create new http repository')) |
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Added buildout stuff and made changes accordingly
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|
194 |
try: |
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Added buildout stuff and made changes accordingly
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|
195 |
if path.startswith('https:'): |
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Added buildout stuff and made changes accordingly
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changeset
|
196 |
inst = httpsrepository(ui, path) |
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|
197 |
else: |
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|
198 |
inst = httprepository(ui, path) |
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|
199 |
inst.between([(nullid, nullid)]) |
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|
200 |
return inst |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
201 |
except error.RepoError: |
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|
202 |
ui.note('(falling back to static-http)\n') |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
203 |
return statichttprepo.instance(ui, "static-" + path, create) |