author | Nishanth Amuluru <nishanth@fossee.in> |
Sat, 08 Jan 2011 11:20:57 +0530 | |
changeset 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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1 |
# sshrepo.py - ssh repository proxy class for mercurial |
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# |
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.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 i18n import _ |
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import util, error, wireproto |
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import re |
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|
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class remotelock(object): |
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def __init__(self, repo): |
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self.repo = repo |
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def release(self): |
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self.repo.unlock() |
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self.repo = None |
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def __del__(self): |
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if self.repo: |
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self.release() |
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|
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class sshrepository(wireproto.wirerepository): |
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def __init__(self, ui, path, create=0): |
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self._url = path |
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self.ui = ui |
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m = re.match(r'^ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?$', path) |
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if not m: |
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self._abort(error.RepoError(_("couldn't parse location %s") % path)) |
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self.user = m.group(2) |
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self.host = m.group(3) |
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self.port = m.group(5) |
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self.path = m.group(7) or "." |
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sshcmd = self.ui.config("ui", "ssh", "ssh") |
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remotecmd = self.ui.config("ui", "remotecmd", "hg") |
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args = util.sshargs(sshcmd, self.host, self.user, self.port) |
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if create: |
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cmd = '%s %s "%s init %s"' |
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cmd = cmd % (sshcmd, args, remotecmd, self.path) |
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ui.note(_('running %s\n') % cmd) |
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res = util.system(cmd) |
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if res != 0: |
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self._abort(error.RepoError(_("could not create remote repo"))) |
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self.validate_repo(ui, sshcmd, args, remotecmd) |
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|
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def url(self): |
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return self._url |
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def validate_repo(self, ui, sshcmd, args, remotecmd): |
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# cleanup up previous run |
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self.cleanup() |
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cmd = '%s %s "%s -R %s serve --stdio"' |
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cmd = cmd % (sshcmd, args, remotecmd, self.path) |
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cmd = util.quotecommand(cmd) |
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ui.note(_('running %s\n') % cmd) |
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self.pipeo, self.pipei, self.pipee = util.popen3(cmd) |
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|
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# skip any noise generated by remote shell |
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self._callstream("hello") |
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r = self._callstream("between", pairs=("%s-%s" % ("0"*40, "0"*40))) |
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lines = ["", "dummy"] |
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max_noise = 500 |
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while lines[-1] and max_noise: |
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l = r.readline() |
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self.readerr() |
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if lines[-1] == "1\n" and l == "\n": |
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break |
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if l: |
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ui.debug("remote: ", l) |
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lines.append(l) |
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max_noise -= 1 |
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else: |
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self._abort(error.RepoError(_("no suitable response from remote hg"))) |
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83 |
self.capabilities = set() |
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84 |
for l in reversed(lines): |
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85 |
if l.startswith("capabilities:"): |
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self.capabilities.update(l[:-1].split(":")[1].split()) |
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87 |
break |
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88 |
|
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def readerr(self): |
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while 1: |
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size = util.fstat(self.pipee).st_size |
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if size == 0: |
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93 |
break |
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l = self.pipee.readline() |
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95 |
if not l: |
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96 |
break |
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97 |
self.ui.status(_("remote: "), l) |
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98 |
|
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99 |
def _abort(self, exception): |
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100 |
self.cleanup() |
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101 |
raise exception |
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102 |
|
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103 |
def cleanup(self): |
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104 |
try: |
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105 |
self.pipeo.close() |
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106 |
self.pipei.close() |
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107 |
# read the error descriptor until EOF |
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108 |
for l in self.pipee: |
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109 |
self.ui.status(_("remote: "), l) |
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110 |
self.pipee.close() |
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111 |
except: |
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112 |
pass |
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113 |
|
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114 |
__del__ = cleanup |
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115 |
|
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116 |
def _callstream(self, cmd, **args): |
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117 |
self.ui.debug("sending %s command\n" % cmd) |
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118 |
self.pipeo.write("%s\n" % cmd) |
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119 |
for k, v in sorted(args.iteritems()): |
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120 |
self.pipeo.write("%s %d\n" % (k, len(v))) |
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121 |
self.pipeo.write(v) |
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122 |
self.pipeo.flush() |
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123 |
|
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124 |
return self.pipei |
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125 |
|
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126 |
def _call(self, cmd, **args): |
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127 |
self._callstream(cmd, **args) |
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128 |
return self._recv() |
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129 |
|
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130 |
def _callpush(self, cmd, fp, **args): |
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131 |
r = self._call(cmd, **args) |
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132 |
if r: |
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133 |
return '', r |
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134 |
while 1: |
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135 |
d = fp.read(4096) |
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136 |
if not d: |
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137 |
break |
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138 |
self._send(d) |
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139 |
self._send("", flush=True) |
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140 |
r = self._recv() |
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141 |
if r: |
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142 |
return '', r |
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143 |
return self._recv(), '' |
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144 |
|
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145 |
def _decompress(self, stream): |
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146 |
return stream |
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147 |
|
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148 |
def _recv(self): |
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149 |
l = self.pipei.readline() |
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150 |
self.readerr() |
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151 |
try: |
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152 |
l = int(l) |
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153 |
except: |
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154 |
self._abort(error.ResponseError(_("unexpected response:"), l)) |
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155 |
return self.pipei.read(l) |
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|
156 |
|
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|
157 |
def _send(self, data, flush=False): |
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|
158 |
self.pipeo.write("%d\n" % len(data)) |
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|
159 |
if data: |
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|
160 |
self.pipeo.write(data) |
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|
161 |
if flush: |
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|
162 |
self.pipeo.flush() |
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|
163 |
self.readerr() |
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|
164 |
|
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|
165 |
def lock(self): |
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|
166 |
self._call("lock") |
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|
167 |
return remotelock(self) |
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|
168 |
|
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|
169 |
def unlock(self): |
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|
170 |
self._call("unlock") |
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|
171 |
|
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|
172 |
def addchangegroup(self, cg, source, url): |
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|
173 |
'''Send a changegroup to the remote server. Return an integer |
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|
174 |
similar to unbundle(). DEPRECATED, since it requires locking the |
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|
175 |
remote.''' |
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|
176 |
d = self._call("addchangegroup") |
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|
177 |
if d: |
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|
178 |
self._abort(error.RepoError(_("push refused: %s") % d)) |
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changeset
|
179 |
while 1: |
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|
180 |
d = cg.read(4096) |
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|
181 |
if not d: |
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|
182 |
break |
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changeset
|
183 |
self.pipeo.write(d) |
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Added buildout stuff and made changes accordingly
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changeset
|
184 |
self.readerr() |
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changeset
|
185 |
|
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changeset
|
186 |
self.pipeo.flush() |
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Added buildout stuff and made changes accordingly
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changeset
|
187 |
|
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changeset
|
188 |
self.readerr() |
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parents:
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|
189 |
r = self._recv() |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
190 |
if not r: |
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|
191 |
return 1 |
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|
192 |
try: |
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|
193 |
return int(r) |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
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changeset
|
194 |
except: |
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|
195 |
self._abort(error.ResponseError(_("unexpected response:"), r)) |
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Added buildout stuff and made changes accordingly
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changeset
|
196 |
|
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|
197 |
instance = sshrepository |