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Viewing changes to bzrlib/tests/features.py

  • Committer: Jelmer Vernooij
  • Date: 2010-03-21 21:39:33 UTC
  • mfrom: (5102 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5143.
  • Revision ID: jelmer@samba.org-20100321213933-fexeh9zcoz8oaju2
merge bzr.dev.

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bzrlib/tests/features.py
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# Copyright (C) 2009 Canonical Ltd
 
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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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# 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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from bzrlib.tests import Feature
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class _ApportFeature(Feature):
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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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        try:
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            import apport
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        except ImportError, e:
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            return False
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        else:
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            return True
 
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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 'apport'
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ApportFeature = _ApportFeature()
 
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        return 'POSIX permissions support'
 
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PosixPermissionsFeature = _PosixPermissionsFeature()