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Viewing changes to src/oopstools/oops/models.py

  • Committer: Robert Collins
  • Date: 2011-11-21 03:42:03 UTC
  • mto: This revision was merged to the branch mainline in revision 23.
  • Revision ID: robertc@robertcollins.net-20111121034203-ek437opa2fbjjloq
Implement crude pruning for the DB records. Currently untested.

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src/oopstools/oops/models.py
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        return unicode(self.value)
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class PruneInfo(models.Model):
 
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    """Information about oops pruning."""
 
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    pruned_until = models.DateTimeField()
 
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    @classmethod
 
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    def prune_unreferenced(klass, prune_from, prune_until, references):
 
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        # XXX: This trusts date more than we may want to - should consider
 
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        # having a date_received separate to the date generated.
 
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        to_delete = set(Oops.objects.filter(
 
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            date__gte=prune_from, date__lte=prune_until).exclude(
 
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            oopsid__in=references))
 
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        # deleting 1 at a time is a lot of commits, but leaves the DB lively
 
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        # for other transactions. May need to batch this in future if its
 
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        # too slow.
 
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        for oopsid in to_delete:
 
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            Oops.objects.filter(oopsid__exact=oopsid).delete()
 
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class Report(models.Model):
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    """A summary report for OOPSes of a set of prefixes."""
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