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  • Committer: Michael Vogt
  • Date: 2012-03-27 08:34:36 UTC
  • mto: This revision was merged to the branch mainline in revision 2923.
  • Revision ID: michael.vogt@ubuntu.com-20120327083436-5b42yrasb4gha2im
add locking for expunge-cache.py to ensure that we don't run into races like bug #962580

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softwarecenter/utils.py
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    return str(uuid.uuid4())
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def get_lock(path):
 
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    """ return a lock that can be released with release_lock on success
 
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        and -1 on failure
 
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    """
 
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    try:
 
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        import apt_pkg
 
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        return apt_pkg.get_lock(path, False)
 
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    except ImportError:
 
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        # implement me on non-apt system, I wish python had this in the stdlib
 
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        pass
 
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def release_lock(lock):
 
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    """ release a lock acquired with get_lock """
 
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    os.close(lock)
 
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class SimpleFileDownloader(GObject.GObject):
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    LOG = logging.getLogger("softwarecenter.simplefiledownloader")