Package translate :: Package storage :: Package versioncontrol :: Module git
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Source Code for Module translate.storage.versioncontrol.git

  1  #!/usr/bin/env python 
  2  # -*- coding: utf-8 -*- 
  3  #  
  4  # Copyright 2004-2007 Zuza Software Foundation 
  5  #  
  6  # This file is part of translate. 
  7  # 
  8  # translate is free software; you can redistribute it and/or modify 
  9  # it under the terms of the GNU General Public License as published by 
 10  # the Free Software Foundation; either version 2 of the License, or 
 11  # (at your option) any later version. 
 12  #  
 13  # translate is distributed in the hope that it will be useful, 
 14  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
 15  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 16  # GNU General Public License for more details. 
 17  # 
 18  # You should have received a copy of the GNU General Public License 
 19  # along with translate; if not, write to the Free Software 
 20  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 21  # 
 22  # 
 23  # Requires: git 
 24  # 
 25   
 26   
 27  from translate.storage.versioncontrol import run_command 
 28  from translate.storage.versioncontrol import GenericRevisionControlSystem 
 29  import os 
 30   
 31   
32 -def is_available():
33 """check if git is installed""" 34 exitcode, output, error = run_command(["git", "--version"]) 35 return exitcode == 0
36 37
38 -class git(GenericRevisionControlSystem):
39 """Class to manage items under revision control of git.""" 40 41 RCS_METADIR = ".git" 42 SCAN_PARENTS = True 43
44 - def _get_git_dir(self):
45 """git requires the git metadata directory for every operation 46 """ 47 return os.path.join(self.root_dir, self.RCS_METADIR)
48
49 - def _get_git_command(self, args):
50 """prepends generic git arguments to default ones 51 """ 52 command = ["git", "--git-dir", self._get_git_dir()] 53 command.extend(args) 54 return command
55
56 - def update(self, revision=None):
57 """Does a clean update of the given path""" 58 # git checkout 59 command = self._get_git_command(["checkout", self.location_rel]) 60 exitcode, output_checkout, error = run_command(command, self.root_dir) 61 if exitcode != 0: 62 raise IOError("[GIT] checkout failed (%s): %s" % (command, error)) 63 # pull changes 64 command = self._get_git_command(["pull"]) 65 exitcode, output_pull, error = run_command(command, self.root_dir) 66 if exitcode != 0: 67 raise IOError("[GIT] pull failed (%s): %s" % (command, error)) 68 return output_checkout + output_pull
69
70 - def commit(self, message=None, author=None):
71 """Commits the file and supplies the given commit message if present""" 72 # add the file 73 command = self._get_git_command(["add", self.location_rel]) 74 exitcode, output_add, error = run_command(command, self.root_dir) 75 if exitcode != 0: 76 raise IOError("[GIT] add of ('%s', '%s') failed: %s" \ 77 % (self.root_dir, self.location_rel, error)) 78 # commit file 79 command = self._get_git_command(["commit"]) 80 if message: 81 command.extend(["-m", message]) 82 if author: 83 command.extend(["--author", author]) 84 exitcode, output_commit, error = run_command(command, self.root_dir) 85 if exitcode != 0: 86 if len(error): 87 msg = error 88 else: 89 msg = output_commit 90 raise IOError("[GIT] commit of ('%s', '%s') failed: %s" \ 91 % (self.root_dir, self.location_rel, msg)) 92 # push changes 93 command = self._get_git_command(["push"]) 94 exitcode, output_push, error = run_command(command, self.root_dir) 95 if exitcode != 0: 96 raise IOError("[GIT] push of ('%s', '%s') failed: %s" \ 97 % (self.root_dir, self.location_rel, error)) 98 return output_add + output_commit + output_push
99
100 - def getcleanfile(self, revision=None):
101 """Get a clean version of a file from the git repository""" 102 # run git-show 103 command = self._get_git_command(["show", "HEAD:%s" % self.location_rel]) 104 exitcode, output, error = run_command(command, self.root_dir) 105 if exitcode != 0: 106 raise IOError("[GIT] 'show' failed for ('%s', %s): %s" \ 107 % (self.root_dir, self.location_rel, error)) 108 return output
109