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 GenericRevisionControlSystem 
 25  from translate.storage.versioncontrol import run_command 
 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
34 -def get_version():
35 """return a tuple of (major, minor) for the installed bazaar client""" 36 import re 37 command = ["bzr", "--version"] 38 exitcode, output, error = run_command(command) 39 if exitcode == 0: 40 version_line = output.splitlines()[0] 41 version_match = re.search(r"\d+\.\d+", version_line) 42 if version_match: 43 major, minor = version_match.group().split(".") 44 if (major.isdigit() and minor.isdigit()): 45 return (int(major), int(minor)) 46 # if anything broke before, then we return the invalid version number 47 return (0, 0)
48 49
50 -class bzr(GenericRevisionControlSystem):
51 """Class to manage items under revision control of bzr.""" 52 53 RCS_METADIR = ".bzr" 54 SCAN_PARENTS = True 55
56 - def update(self, revision=None):
57 """Does a clean update of the given path""" 58 # bzr revert 59 command = ["bzr", "revert", self.location_abs] 60 exitcode, output_revert, error = run_command(command) 61 if exitcode != 0: 62 raise IOError("[BZR] revert of '%s' failed: %s" \ 63 % (self.location_abs, error)) 64 # bzr pull 65 command = ["bzr", "pull"] 66 exitcode, output_pull, error = run_command(command) 67 if exitcode != 0: 68 raise IOError("[BZR] pull of '%s' failed: %s" \ 69 % (self.location_abs, error)) 70 return output_revert + output_pull
71
72 - def commit(self, message=None, author=None):
73 """Commits the file and supplies the given commit message if present""" 74 # bzr commit 75 command = ["bzr", "commit"] 76 if message: 77 command.extend(["-m", message]) 78 # the "--author" argument is supported since bzr v0.91rc1 79 if author and (get_version() >= (0, 91)): 80 command.extend(["--author", author]) 81 # the filename is the last argument 82 command.append(self.location_abs) 83 exitcode, output_commit, error = run_command(command) 84 if exitcode != 0: 85 raise IOError("[BZR] commit of '%s' failed: %s" \ 86 % (self.location_abs, error)) 87 # bzr push 88 command = ["bzr", "push"] 89 exitcode, output_push, error = run_command(command) 90 if exitcode != 0: 91 raise IOError("[BZR] push of '%s' failed: %s" \ 92 % (self.location_abs, error)) 93 return output_commit + output_push
94
95 - def getcleanfile(self, revision=None):
96 """Get a clean version of a file from the bzr repository""" 97 # bzr cat 98 command = ["bzr", "cat", self.location_abs] 99 exitcode, output, error = run_command(command) 100 if exitcode != 0: 101 raise IOError("[BZR] cat failed for '%s': %s" \ 102 % (self.location_abs, error)) 103 return output
104