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Viewing changes to bzrlib/tests/features.py

  • Committer: Martin Pool
  • Date: 2005-07-28 11:56:24 UTC
  • Revision ID: mbp@sourcefrog.net-20050728115624-93c11c2b1e399023
- note changes to command line parsing

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bzrlib/tests/features.py
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# Copyright (C) 2009, 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import os
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import stat
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from bzrlib import tests
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from bzrlib.symbol_versioning import deprecated_in
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apport = tests.ModuleAvailableFeature('apport')
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paramiko = tests.ModuleAvailableFeature('paramiko')
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pycurl = tests.ModuleAvailableFeature('pycurl')
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subunit = tests.ModuleAvailableFeature('subunit')
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class _PosixPermissionsFeature(tests.Feature):
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    def _probe(self):
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        def has_perms():
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            # create temporary file and check if specified perms are maintained.
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            import tempfile
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            write_perms = stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR
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            f = tempfile.mkstemp(prefix='bzr_perms_chk_')
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            fd, name = f
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            os.close(fd)
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            os.chmod(name, write_perms)
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            read_perms = os.stat(name).st_mode & 0777
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            os.unlink(name)
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            return (write_perms == read_perms)
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        return (os.name == 'posix') and has_perms()
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    def feature_name(self):
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        return 'POSIX permissions support'
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posix_permissions_feature = _PosixPermissionsFeature()
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class _ChownFeature(tests.Feature):
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    """os.chown is supported"""
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    def _probe(self):
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        return os.name == 'posix' and hasattr(os, 'chown')
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chown_feature = _ChownFeature()
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