1 # Copyright (C) 2006-2007 Jelmer Vernooij <jelmer@samba.org>
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 """Subversion cache directory access."""
19 from bzrlib.config import config_dir, ensure_config_dir_exists
20 from bzrlib.trace import warning
24 def create_cache_dir():
25 """Create the top-level bzr-svn cache directory.
27 :return: Path to cache directory.
29 ensure_config_dir_exists()
30 cache_dir = os.path.join(config_dir(), 'svn-cache')
32 if not os.path.exists(cache_dir):
35 open(os.path.join(cache_dir, "README"), 'w').write(
36 """This directory contains information cached by the bzr-svn plugin.
38 It is used for performance reasons only and can be removed
41 See http://bazaar-vcs.org/BzrForeignBranches/Subversion for details.
45 def check_pysqlite_version(sqlite3):
46 """Check that sqlite library is compatible.
49 if (sqlite3.sqlite_version_info[0] < 3 or
50 (sqlite3.sqlite_version_info[0] == 3 and
51 sqlite3.sqlite_version_info[1] < 3)):
52 warning('Needs at least sqlite 3.3.x')
53 raise bzrlib.errors.BzrError("incompatible sqlite library")
58 check_pysqlite_version(sqlite3)
59 except (ImportError, bzrlib.errors.BzrError), e:
60 from pysqlite2 import dbapi2 as sqlite3
61 check_pysqlite_version(sqlite3)
63 warning('Needs at least Python2.5 or Python2.4 with the pysqlite2 '
65 raise bzrlib.errors.BzrError("missing sqlite library")