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lib/lp/soyuz/adapters/copypolicy.py
 
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# Copyright 2011 Canonical Ltd.  This software is licensed under the
 
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# GNU Affero General Public License version 3 (see the file LICENSE).
 
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"""Copy Policy Classes.
 
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The classes contain various policies about copying packages that can be
 
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decided at runtime, such as whether to auto-accept a package or not.
 
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"""
 
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__metaclass__ = type
 
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__all__ = [
 
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    "InsecureCopyPolicy",
 
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    ]
 
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from lp.registry.interfaces.pocket import PackagePublishingPocket
 
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from lp.registry.interfaces.series import SeriesStatus
 
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class BaseCopyPolicy:
 
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    """Encapsulation of the policies for copying a package in Launchpad."""
 
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    def autoApprove(self, packageupload):
 
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        """Decide if the packageupload can be approved automatically or
 
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        should be held in the queue.
 
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        """
 
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        raise AssertionError("Subclass must provide autoApprove")
 
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    def autoApproveNew(self, packageupload):
 
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        """Decide if a previously unknown package is approved automatically
 
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        or should be held in the queue.
 
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        """
 
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        raise AssertionError("Subclass must provide autoApproveNew")
 
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class InsecureCopyPolicy(BaseCopyPolicy):
 
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    """A policy for copying from insecure sources."""
 
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    def autoApproveNew(self, packageupload):
 
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        if packageupload.isPPA():
 
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            return True
 
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        return False
 
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    def autoApprove(self, packageupload):
 
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        if packageupload.isPPA():
 
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            return True
 
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        # This check is orthogonal to the
 
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        # IDistroSeries.canUploadToPocket check.
 
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        if (packageupload.pocket == PackagePublishingPocket.RELEASE and
 
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            packageupload.distroseries.status != SeriesStatus.FROZEN):
 
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            return True
 
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        return False