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

 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  from translate.storage.versioncontrol import run_command 
24  from translate.storage.versioncontrol import GenericRevisionControlSystem 
25   
26   
27 -def is_available():
28 """check if darcs is installed""" 29 exitcode, output, error = run_command(["darcs", "--version"]) 30 return exitcode == 0
31 32
33 -class darcs(GenericRevisionControlSystem):
34 """Class to manage items under revision control of darcs.""" 35 36 RCS_METADIR = "_darcs" 37 SCAN_PARENTS = True 38
39 - def update(self, revision=None):
40 """Does a clean update of the given path 41 42 @param revision: ignored for darcs 43 """ 44 # revert local changes (avoids conflicts) 45 command = ["darcs", "revert", "--repodir", self.root_dir, 46 "-a", self.location_rel] 47 exitcode, output_revert, error = run_command(command) 48 if exitcode != 0: 49 raise IOError("[Darcs] error running '%s': %s" % (command, error)) 50 # pull new patches 51 command = ["darcs", "pull", "--repodir", self.root_dir, "-a"] 52 exitcode, output_pull, error = run_command(command) 53 if exitcode != 0: 54 raise IOError("[Darcs] error running '%s': %s" % (command, error)) 55 return output_revert + output_pull
56
57 - def commit(self, message=None, author=None):
58 """Commits the file and supplies the given commit message if present""" 59 if message is None: 60 message = "" 61 # set change message 62 command = ["darcs", "record", "-a", "--repodir", self.root_dir, 63 "--skip-long-comment", "-m", message] 64 # add the 'author' to the list of arguments if it was given 65 if author: 66 command.extend(["--author", author]) 67 # the location of the file is the last argument 68 command.append(self.location_rel) 69 exitcode, output_record, error = run_command(command) 70 if exitcode != 0: 71 raise IOError("[Darcs] Error running darcs command '%s': %s" \ 72 % (command, error)) 73 # push changes 74 command = ["darcs", "push", "-a", "--repodir", self.root_dir] 75 exitcode, output_push, error = run_command(command) 76 if exitcode != 0: 77 raise IOError("[Darcs] Error running darcs command '%s': %s" \ 78 % (command, error)) 79 return output_record + output_push
80
81 - def getcleanfile(self, revision=None):
82 """Get a clean version of a file from the darcs repository 83 84 @param revision: ignored for darcs 85 """ 86 import os 87 filename = os.path.join(self.root_dir, self.RCS_METADIR, 'pristine', 88 self.location_rel) 89 try: 90 darcs_file = open(filename) 91 output = darcs_file.read() 92 darcs_file.close() 93 except IOError, error: 94 raise IOError("[Darcs] error reading original file '%s': %s" % \ 95 (filename, error)) 96 return output
97