Mercurial > hgsubversion

annotate hgsubversion/svnwrap/common.py @ 1509:8c7dae2e0f54

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svnwrap: don't add paths to revision outside of subdir It prevents from closing the default branch on some occasional removal of directory from outside of subdir in a single layout.
author Ivan Lezhankin <ilezhankin@yandex-team.ru>
date Tue, 23 May 2017 15:09:02 +0300
parents 04f15d38a500
children c5de1adc3092
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 import cStringIO
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2 import getpass
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3 import errno
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4 import os
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5 import shutil
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6 import sys
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7 import tempfile
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8 import urlparse
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9 import urllib
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10 import collections
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11 import fnmatch
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12 import ConfigParser
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13 import sys
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14
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15 class SubversionRepoCanNotReplay(Exception):
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16 """Exception raised when the svn server is too old to have replay.
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17 """
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18
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19 class SubversionRepoCanNotDiff(Exception):
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20 """Exception raised when the svn API diff3() command cannot be used
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21 """
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22
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23 class SubversionConnectionException(Exception):
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24 """Exception raised when a generic error occurs when connecting to a
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25 repository.
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26 """
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27
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28 # Default chunk size used in fetch_history_at_paths() and revisions().
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29 chunk_size = 1000
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30
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31 def parse_url(url, user=None, passwd=None):
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32 """Parse a URL and return a tuple (username, password, url)
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33 """
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34 scheme, netloc, path, params, query, fragment = urlparse.urlparse(url)
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35 if '@' in netloc:
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36 userpass, netloc = netloc.split('@')
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37 if not user and not passwd:
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38 if ':' in userpass:
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39 user, passwd = userpass.split(':')
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40 else:
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41 user, passwd = userpass, ''
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42 user, passwd = urllib.unquote(user), urllib.unquote(passwd)
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43 if user and scheme == 'svn+ssh':
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44 netloc = '@'.join((user, netloc,))
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45 url = urlparse.urlunparse((scheme, netloc, path, params, query, fragment))
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46 return (user or None, passwd or None, url)
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47
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48
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49 class Revision(tuple):
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50 """Wrapper for a Subversion revision.
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51
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52 Derives from tuple in an attempt to minimise the memory footprint.
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53 """
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54 def __new__(self, revnum, author, message, date, paths=None, strip_path=''):
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55 _paths = {}
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56 if paths:
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57 for p in paths:
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58 if p.startswith(strip_path):
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59 _paths[p[len(strip_path):]] = paths[p]
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60 return tuple.__new__(self,
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61 (revnum, author, message, date, _paths))
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62
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63 @property
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64 def revnum(self):
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65 return self[0]
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66
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67 @property
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68 def author(self):
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69 return self[1]
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70
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71 @property
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72 def message(self):
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73 return self[2]
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74
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75 @property
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76 def date(self):
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77 return self[3]
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79 @property
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80 def paths(self):
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81 return self[4]
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82
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83 def __str__(self):
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84 return 'r%d by %s' % (self.revnum, self.author)
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86
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87 _svn_config_dir = None
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88
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89
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90 class AutoPropsConfig(object):
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91 """Provides the subversion auto-props functionality
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92 when pushing new files.
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93 """
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94 def __init__(self, config_dir=None):
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95 config_file = config_file_path(config_dir)
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96 self.config = ConfigParser.RawConfigParser()
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97 self.config.read([config_file])
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98
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99 def properties(self, file):
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100 """Returns a dictionary of the auto-props applicable for file.
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101 Takes enable-auto-props into account.
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102 """
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103 properties = {}
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104 if self.autoprops_enabled():
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105 for pattern,prop_list in self.config.items('auto-props'):
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106 if fnmatch.fnmatchcase(os.path.basename(file), pattern):
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107 properties.update(parse_autoprops(prop_list))
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108 return properties
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109
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110 def autoprops_enabled(self):
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111 return (self.config.has_option('miscellany', 'enable-auto-props')
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112 and self.config.getboolean( 'miscellany', 'enable-auto-props')
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113 and self.config.has_section('auto-props'))
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114
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115
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116 def config_file_path(config_dir):
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117 if config_dir == None:
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118 global _svn_config_dir
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119 config_dir = _svn_config_dir
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120 if config_dir == None:
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121 if sys.platform == 'win32':
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122 config_dir = os.path.join(os.environ['APPDATA'], 'Subversion')
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123 else:
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124 config_dir = os.path.join(os.environ['HOME'], '.subversion')
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125 return os.path.join(config_dir, 'config')
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126
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127
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128 def parse_autoprops(prop_list):
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129 """Parses a string of autoprops and returns a dictionary of
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130 the results.
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131 Emulates the parsing of core.auto_props_enumerator.
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132 """
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133 def unquote(s):
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134 if len(s)>1 and s[0] in ['"', "'"] and s[0]==s[-1]:
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135 return s[1:-1]
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136 return s
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137
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138 properties = {}
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139 for prop in prop_list.split(';'):
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140 if '=' in prop:
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141 prop, value = prop.split('=',1)
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142 value = unquote(value.strip())
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143 else:
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144 value = ''
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145 properties[prop.strip()] = value
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146 return properties
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147
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148 class SimpleStringIO(object):
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149 """SimpleStringIO can replace a StringIO in write mode.
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150
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151 cStringIO reallocates and doubles the size of its internal buffer
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152 when it needs to append new data which requires two large blocks for
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153 large inputs. SimpleStringIO stores each individual blocks and joins
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154 them once done. This might cause more memory fragmentation but
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155 requires only one large block. In practice, ra.get_file() seems to
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156 write in 16kB blocks (svn 1.7.5) which should be friendly to memory
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157 allocators.
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158 """
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159 def __init__(self, closing=True):
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160 self._blocks = []
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161 self._closing = closing
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162
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163 def write(self, s):
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164 self._blocks.append(s)
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165
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166 def getvalue(self):
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167 return ''.join(self._blocks)
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168
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169 def close(self):
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170 if self._closing:
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171 del self._blocks
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172