annotate treepkg/subversion.py @ 266:e201ea1f6d0e

Add revision and recurse parameters to treepkg.subversion.export
author Bernhard Herzog <bh@intevation.de>
date Thu, 30 Apr 2009 10:21:01 +0000
parents 81ba86662cbd
children 97fd2584df5f
rev   line source
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1 # Copyright (C) 2007, 2008, 2009 by Intevation GmbH
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2 # Authors:
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3 # Bernhard Herzog <bh@intevation.de>
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4 #
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5 # This program is free software under the GPL (>=v2)
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6 # Read the file COPYING coming with the software for details.
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7
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8 """Collection of subversion utility code"""
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9
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10 import os
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11 import shutil
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12
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13 import run
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14 from cmdexpand import cmdexpand
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15 from util import extract_value_for_key
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16
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18 def list_url(url):
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19 """Runs svn list with the given url and returns files listed as a list"""
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20 output = run.capture_output(cmdexpand("svn list $url", **locals()))
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21 return output.splitlines()
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22
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23 def checkout(url, localdir, revision=None, recurse=True):
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24 """Runs svn to checkout the repository at url into the localdir"""
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25 args = []
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26 if revision:
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27 args.extend(["--revision", revision])
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28 if not recurse:
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29 args.append("-N")
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30 run.call(cmdexpand("svn checkout -q @args $url $localdir", **locals()))
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32 def update(localdir, revision=None, recurse=True):
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33 """Runs svn update on the localdir.
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34 The parameter revision, if given, is passed to svn as the value of
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35 the --revision option.
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36 """
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37 args = []
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38 if revision:
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39 args.extend(["--revision", revision])
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40 if not recurse:
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41 args.append("-N")
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42 run.call(cmdexpand("svn update -q @args $localdir", **locals()))
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44 def export(src, dest, revision=None, recurse=True):
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45 """Runs svn export src dest"""
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46 args = []
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47 if revision:
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48 args.extend(["--revision", revision])
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49 if not recurse:
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50 args.append("-N")
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51 run.call(cmdexpand("svn export -q @args $src $dest", **locals()))
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52
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53 def last_changed_revision(svn_working_copy):
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54 """return the last changed revision of an SVN working copy as an int"""
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55 # Make sure we run svn under the C locale to avoid localized
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56 # messages
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57 env = os.environ.copy()
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58 env["LANG"] = "C"
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59
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60 output = run.capture_output(cmdexpand("svn info $svn_working_copy",
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61 **locals()),
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62 env=env)
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63 return int(extract_value_for_key(output.splitlines(),
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64 "Last Changed Rev:"))
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66
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67 class SvnRepository(object):
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68
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69 """Describes a subversion repository"""
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70
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71 def __init__(self, url, external_subdirs=()):
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72 """Initialize the subversion repository description
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73 Parameters:
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74 url -- The url of the repository
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75 external_subdirs -- A list of subdirectories which are managed
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76 by svn externals definitions
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77 """
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78 self.url = url
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79 self.external_subdirs = external_subdirs
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80
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81 def checkout(self, localdir, revision=None):
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82 """Checks out the repository into localdir. The revision
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83 parameter should be an and indicates the revision to check out.
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84 """
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85 checkout(self.url, localdir, revision=revision)
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86
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87 def export(self, localdir, destdir):
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88 """Exports the working copy in localdir to destdir"""
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89 export(localdir, destdir)
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90 for subdir in self.external_subdirs:
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91 absdir = os.path.join(destdir, subdir)
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92 if not os.path.isdir(absdir):
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93 export(os.path.join(localdir, subdir), absdir)
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94
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95 def last_changed_revision(self, localdir):
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96 """Returns the last changed revision of the working copy in localdir"""
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97 return max([last_changed_revision(os.path.join(localdir, d))
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98 for d in [localdir] + list(self.external_subdirs)])
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100
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101 class SvnWorkingCopy(object):
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102
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103 """Represents a checkout of a subversion repository"""
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104
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105 def __init__(self, repository, localdir, logger=None):
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106 """
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107 Initialize the working copy.
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108 Parameters:
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109 repository -- The SvnRepository instance describing the
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110 repository
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111 localdir -- The directory for the working copy
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112 logger -- logging object to use for some info/debug messages
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113 """
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114 self.repository = repository
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115 self.localdir = localdir
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116 self.logger = logger
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117
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118 def log_info(self, *args):
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119 if self.logger is not None:
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120 self.logger.info(*args)
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121
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122 def update_or_checkout(self, revision=None):
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123 """Updates the working copy or creates by checking out the repository"""
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124 if os.path.exists(self.localdir):
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125 self.log_info("Updating the working copy in %r", self.localdir)
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126 update(self.localdir, revision=revision)
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127 else:
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128 self.log_info("The working copy in %r doesn't exist yet."
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129 " Checking out from %r",
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130 self.localdir, self.repository.url)
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131 self.repository.checkout(self.localdir, revision=revision)
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132
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133 def export(self, destdir):
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134 """Exports the working copy to destdir"""
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135 self.repository.export(self.localdir, destdir)
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136
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137 def last_changed_revision(self):
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138 """Returns the last changed rev of the working copy"""
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139 return self.repository.last_changed_revision(self.localdir)
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141
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142 class ManualWorkingCopy(object):
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143
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144 """A manually managed working copy"""
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145
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146 def __init__(self, directory):
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147 self.directory = directory
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148
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149 def update_or_checkout(self, revision=None, recurse=True):
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150 """This method does nothing"""
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151 pass
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152
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153 def export(self, destdir):
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154 """Copies the entire working copy to destdir"""
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155 shutil.copytree(self.directory, destdir)
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156
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157 def last_changed_revision(self):
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158 """Always returns 0"""
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159 return 0
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