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1 | # -*- coding: utf-8 -*- | |
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2 | ||
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3 | # Copyright (C) 2007 Daniel Holth <dholth@fastmail.fm> | |
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4 | # This is a stripped-down version of the original bzr-svn transport.py, | |
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5 | # Copyright (C) 2006 Jelmer Vernooij <jelmer@samba.org> | |
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6 | ||
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7 | # This program is free software; you can redistribute it and/or modify | |
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8 | # it under the terms of the GNU General Public License as published by | |
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9 | # the Free Software Foundation; either version 2 of the License, or | |
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10 | # (at your option) any later version. | |
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11 | ||
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12 | # This program is distributed in the hope that it will be useful, | |
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13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
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14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
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15 | # GNU General Public License for more details. | |
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16 | ||
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17 | # You should have received a copy of the GNU General Public License | |
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18 | # along with this program; if not, write to the Free Software | |
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19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
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20 | ||
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21 | from cStringIO import StringIO | |
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22 | import os | |
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23 | from tempfile import mktemp | |
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24 | ||
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25 | from svn.core import SubversionException, Pool | |
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26 | import svn.ra | |
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27 | import svn.core | |
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28 | ||
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29 | # Some older versions of the Python bindings need to be | |
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30 | # explicitly initialized. But what we want to do probably | |
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31 | # won't work worth a darn against those libraries anyway! | |
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32 | svn.ra.initialize() | |
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33 | ||
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34 | svn_config = svn.core.svn_config_get_config(None) | |
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35 | ||
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36 | ||
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37 | def _create_auth_baton(pool): | |
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38 | """Create a Subversion authentication baton. """ | |
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39 | import svn.client | |
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40 | # Give the client context baton a suite of authentication | |
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41 | # providers.h | |
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42 | providers = [ | |
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43 | svn.client.get_simple_provider(pool), | |
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44 | svn.client.get_username_provider(pool), | |
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45 | svn.client.get_ssl_client_cert_file_provider(pool), | |
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46 | svn.client.get_ssl_client_cert_pw_file_provider(pool), | |
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47 | svn.client.get_ssl_server_trust_file_provider(pool), | |
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48 | ] | |
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49 | return svn.core.svn_auth_open(providers, pool) | |
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50 | ||
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51 | ||
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52 | # # The SVN libraries don't like trailing slashes... | |
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53 | # return url.rstrip('/') | |
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54 | ||
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55 | ||
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56 | class SvnRaCallbacks(svn.ra.callbacks2_t): | |
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57 | """Remote access callbacks implementation for bzr-svn.""" | |
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58 | def __init__(self, pool): | |
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59 | svn.ra.callbacks2_t.__init__(self) | |
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60 | self.auth_baton = _create_auth_baton(pool) | |
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61 | self.pool = pool | |
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62 | ||
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63 | def open_tmp_file(self, pool): | |
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64 | return mktemp(prefix='tailor-svn') | |
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65 | ||
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66 | class NotBranchError(SubversionException): | |
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67 | pass | |
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68 | ||
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69 | class SvnRaTransport(object): | |
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70 | """ | |
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71 | Open an ra connection to a Subversion repository. | |
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72 | """ | |
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73 | def __init__(self, url="", ra=None): | |
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74 | self.pool = Pool() | |
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75 | self.svn_url = url | |
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76 | ||
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77 | # Only Subversion 1.4 has reparent() | |
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78 | if ra is None or not hasattr(svn.ra, 'reparent'): | |
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79 | self.callbacks = SvnRaCallbacks(self.pool) | |
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80 | try: | |
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81 | ver = svn.ra.version() | |
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82 | try: # Older SVN bindings | |
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83 | self.ra = svn.ra.open2(self.svn_url.encode('utf8'), self.callbacks, None, svn_config, None) | |
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84 | except TypeError, e: | |
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85 | self.ra = svn.ra.open2(self.svn_url.encode('utf8'), self.callbacks, svn_config, None) | |
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86 | except SubversionException, (_, num): | |
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87 | if num == svn.core.SVN_ERR_RA_ILLEGAL_URL: | |
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88 | raise NotBranchError(url) | |
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89 | if num == svn.core.SVN_ERR_RA_LOCAL_REPOS_OPEN_FAILED: | |
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90 | raise NotBranchError(url) | |
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91 | if num == svn.core.SVN_ERR_BAD_URL: | |
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92 | raise NotBranchError(url) | |
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93 | raise | |
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94 | ||
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95 | else: | |
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96 | self.ra = ra | |
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97 | svn.ra.reparent(self.ra, self.svn_url.encode('utf8')) | |
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98 | ||
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99 | class Reporter: | |
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100 | def __init__(self, (reporter, report_baton)): | |
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101 | self._reporter = reporter | |
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102 | self._baton = report_baton | |
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103 | ||
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104 | def set_path(self, path, revnum, start_empty, lock_token, pool=None): | |
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105 | svn.ra.reporter2_invoke_set_path(self._reporter, self._baton, | |
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106 | path, revnum, start_empty, lock_token, pool) | |
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107 | ||
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108 | def delete_path(self, path, pool=None): | |
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109 | svn.ra.reporter2_invoke_delete_path(self._reporter, self._baton, | |
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110 | path, pool) | |
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111 | ||
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112 | def link_path(self, path, url, revision, start_empty, lock_token, | |
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113 | pool=None): | |
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114 | svn.ra.reporter2_invoke_link_path(self._reporter, self._baton, | |
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115 | path, url, revision, start_empty, lock_token, | |
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116 | pool) | |
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117 | ||
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118 | def finish_report(self, pool=None): | |
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119 | svn.ra.reporter2_invoke_finish_report(self._reporter, | |
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120 | self._baton, pool) | |
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121 | ||
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122 | def abort_report(self, pool=None): | |
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123 | svn.ra.reporter2_invoke_abort_report(self._reporter, | |
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124 | self._baton, pool) | |
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125 | ||
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126 | def do_update(self, revnum, path, *args, **kwargs): | |
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127 | return self.Reporter(svn.ra.do_update(self.ra, revnum, path, *args, **kwargs)) | |
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128 | ||
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129 | def clone(self, offset=None): | |
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130 | """See Transport.clone().""" | |
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131 | if offset is None: | |
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132 | return self.__class__(self.base) | |
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133 | ||
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134 | return SvnRaTransport(urlutils.join(self.base, offset), ra=self.ra) |
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