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

  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  import translate.storage.versioncontrol 
 24  from translate.storage.versioncontrol import run_command 
 25  from translate.storage.versioncontrol import GenericRevisionControlSystem 
 26   
 27   
28 -def is_available():
29 """check if bzr is installed""" 30 exitcode, output, error = run_command(["bzr", "version"]) 31 return exitcode == 0
32
33 -def get_version():
34 """return a tuple of (major, minor) for the installed bazaar client""" 35 import re 36 command = ["bzr", "--version"] 37 exitcode, output, error = run_command(command) 38 if exitcode == 0: 39 version_line = output.splitlines()[0] 40 version_match = re.search(r"\d+\.\d+", version_line) 41 if version_match: 42 major, minor = version_match.group().split(".") 43 if (major.isdigit() and minor.isdigit()): 44 return (int(major), int(minor)) 45 # if anything broke before, then we return the invalid version number 46 return (0, 0)
47 48
49 -class bzr(GenericRevisionControlSystem):
50 """Class to manage items under revision control of bzr.""" 51 52 RCS_METADIR = ".bzr" 53 SCAN_PARENTS = True 54
55 - def update(self, revision=None):
56 """Does a clean update of the given path""" 57 # bzr revert 58 command = ["bzr", "revert", self.location_abs] 59 exitcode, output_revert, error = run_command(command) 60 if exitcode != 0: 61 raise IOError("[BZR] revert of '%s' failed: %s" \ 62 % (self.location_abs, error)) 63 # bzr pull 64 command = ["bzr", "pull"] 65 exitcode, output_pull, error = run_command(command) 66 if exitcode != 0: 67 raise IOError("[BZR] pull of '%s' failed: %s" \ 68 % (self.location_abs, error)) 69 return output_revert + output_pull
70
71 - def commit(self, message=None, author=None):
72 """Commits the file and supplies the given commit message if present""" 73 # bzr commit 74 command = ["bzr", "commit"] 75 if message: 76 command.extend(["-m", message]) 77 # the "--author" argument is supported since bzr v0.91rc1 78 if author and (get_version() >= (0, 91)): 79 command.extend(["--author", author]) 80 # the filename is the last argument 81 command.append(self.location_abs) 82 exitcode, output_commit, error = run_command(command) 83 if exitcode != 0: 84 raise IOError("[BZR] commit of '%s' failed: %s" \ 85 % (self.location_abs, error)) 86 # bzr push 87 command = ["bzr", "push"] 88 exitcode, output_push, error = run_command(command) 89 if exitcode != 0: 90 raise IOError("[BZR] push of '%s' failed: %s" \ 91 % (self.location_abs, error)) 92 return output_commit + output_push
93
94 - def getcleanfile(self, revision=None):
95 """Get a clean version of a file from the bzr repository""" 96 # bzr cat 97 command = ["bzr", "cat", self.location_abs] 98 exitcode, output, error = run_command(command) 99 if exitcode != 0: 100 raise IOError("[BZR] cat failed for '%s': %s" \ 101 % (self.location_abs, error)) 102 return output
103