mirror of
https://github.com/libguestfs/libguestfs.git
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3b7dd43d78
The initial proposal was suggested by Matt Booth and discussed on the
mailing list here:
https://www.redhat.com/archives/libguestfs/2013-April/msg00007.html
(cherry picked from commit ba0199c487)
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
# libguestfs Python bindings
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# Copyright (C) 2011 Red Hat Inc.
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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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# Test implicit vs explicit closes of the handle (RHBZ#717786).
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import os
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import guestfs
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g = guestfs.GuestFS (python_return_dict=True)
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g.close () # explicit close
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del g # implicit close - should be no error/warning
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# Expect an exception if we call a method on a closed handle.
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g = guestfs.GuestFS (python_return_dict=True)
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g.close ()
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try:
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g.set_memsize (512)
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raise Exception("expected an exception from previous statement")
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except guestfs.ClosedHandle:
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pass
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del g
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# Verify that the handle is really being closed by g.close, by setting
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# up a close event and testing that it happened.
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g = guestfs.GuestFS (python_return_dict=True)
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close_invoked = 0
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def close_callback (ev, eh, buf, array):
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global close_invoked
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close_invoked += 1
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g.set_event_callback (close_callback, guestfs.EVENT_CLOSE)
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if close_invoked != 0:
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raise Exception("close_invoked should be 0")
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g.close ()
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if close_invoked != 1:
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raise Exception("close_invoked should be 1")
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del g
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if close_invoked != 1:
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raise Exception("close_invoked should be 1")
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