storage/versioncontrol/svn.py

   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 svn is installed"""
  29     exitcode, output, error = run_command(["svn", "--version"])
  30     return exitcode == 0
  31
  32
  33 class svn(GenericRevisionControlSystem):
  34     """Class to manage items under revision control of Subversion."""
  35
  36     RCS_METADIR = ".svn"
  37     SCAN_PARENTS = False
  38
  39     def update(self, revision=None):
  40         """update the working copy - remove local modifications if necessary"""
  41         # revert the local copy (remove local changes)
  42         command = ["svn", "revert", self.location_abs]
  43         exitcode, output_revert, error = run_command(command)
  44         # any errors?
  45         if exitcode != 0:
  46             raise IOError("[SVN] Subversion error running '%s': %s" \
  47                     % (command, error))
  48         # update the working copy to the given revision
  49         command = ["svn", "update"]
  50         if not revision is None:
  51             command.extend(["-r", revision])
  52         # the filename is the last argument
  53         command.append(self.location_abs)
  54         exitcode, output_update, error = run_command(command)
  55         if exitcode != 0:
  56             raise IOError("[SVN] Subversion error running '%s': %s" \
  57                     % (command, error))
  58         return output_revert + output_update
  59
  60     def commit(self, message=None):
  61         """commit the file and return the given message if present"""
  62         command = ["svn", "-q", "--non-interactive", "commit"]
  63         if message:
  64             command.extend(["-m", message])
  65         # the location is the last argument
  66         command.append(self.location_abs)
  67         exitcode, output, error = run_command(command)
  68         if exitcode != 0:
  69             raise IOError("[SVN] Error running SVN command '%s': %s" % (command, error))
  70         return output
  71
  72     def getcleanfile(self, revision=None):
  73         """return the content of the 'head' revision of the file"""
  74         command = ["svn", "cat"]
  75         if not revision is None:
  76             command.extend(["-r", revision])
  77         # the filename is the last argument
  78         command.append(self.location_abs)
  79         exitcode, output, error = run_command(command)
  80         if exitcode != 0:
  81             raise IOError("[SVN] Subversion error running '%s': %s" % (command, error))
  82         return output
  83