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Viewing changes to lib/lp/services/features/rulesource.py

  • Committer: Curtis Hovey
  • Date: 2011-08-12 14:39:51 UTC
  • mto: This revision was merged to the branch mainline in revision 13685.
  • Revision ID: curtis.hovey@canonical.com-20110812143951-74vfvrt37gtt4fz2
Sorted imports.

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lib/lp/services/features/rulesource.py
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__metaclass__ = type
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import re
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from collections import (
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    defaultdict,
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    namedtuple,
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    )
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import re
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from storm.locals import Desc
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from canonical.launchpad.webapp import adapter
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from lp.services.features.model import (
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    FeatureFlag,
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    getFeatureStore,
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    )
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from lp.services.webapp import adapter
 
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# A convenient mapping for a feature flag rule in the database.
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Rule = namedtuple("Rule", "flag scope priority value")
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    def parseRules(self, text_form):
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        """Return a list of tuples for the parsed form of the text input.
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        For each non-blank line gives back a tuple of
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        (flag, scope, priority, value).
 
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        For each non-blank line gives back a tuple of (flag, scope, priority, value).
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        Returns a list rather than a generator so that you see any syntax
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        errors immediately.
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        :param new_rules: List of (name, scope, priority, value) tuples.
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        """
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        # XXX: would be slightly better to only update rules as necessary so
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        # we keep timestamps, and to avoid the direct sql etc -- mbp 20100924
 
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        # XXX: would be slightly better to only update rules as necessary so we keep
 
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        # timestamps, and to avoid the direct sql etc -- mbp 20100924
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        store = getFeatureStore()
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        store.execute('DELETE FROM FeatureFlag')
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        for (flag, scope, priority, value) in new_rules:
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                flag=unicode(flag),
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                value=value,
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                priority=priority))
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        store.flush()
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class NullFeatureRuleSource(FeatureRuleSource):