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Viewing changes to softwarecenter/db/history_impl/apthistory.py

merged from lp:~alexeftimie/software-center/backend-refactor

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softwarecenter/db/history_impl/apthistory.py
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from gi.repository import GObject
 
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import apt_pkg
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import cPickle
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from gi.repository import GObject
 
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apt_pkg.init_config()
 
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import gio
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import glob
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import gzip
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import os.path
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import logging
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try:
 
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    import cPickle as pickle
 
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except ImportError:
 
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    import pickle
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LOG = logging.getLogger(__name__)
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        if os.path.exists(p) and use_cache:
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            with ExecutionTime("loading pickle cache"):
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                try:
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                    self._transactions = cPickle.load(open(p))
 
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                    self._transactions = pickle.load(open(p))
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                    cachetime = os.path.getmtime(p)
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                except:
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                    LOG.exception("failed to load cache")
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            self._scan(history_gz_file)
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        self._scan(self.history_file)
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        if use_cache:
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            cPickle.dump(self._transactions, open(p, "w"))
 
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            pickle.dump(self._transactions, open(p, "w"))
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        self._history_ready = True
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    def _scan(self, history_file, rescan = False):
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        LOG.debug("_scan: '%s' (%s)" % (history_file, rescan))
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        try:
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            tagfile = apt_pkg.TagFile(open(history_file))
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        except (IOError, SystemError), ioe:
 
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        except (IOError, SystemError) as ioe:
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            LOG.debug(ioe)
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            return
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        for stanza in tagfile: