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  • Committer: Bazaar Package Importer
  • Author(s): Clint Byrum
  • Date: 2011-10-09 09:50:34 UTC
  • mto: (10.1.1 precise)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20111009095034-wqzww7z4tx2n0x43
Tags: upstream-0.5+bzr398
Import upstream version 0.5+bzr398

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juju/charm/base.py
 
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from juju.errors import CharmError
 
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def get_revision(file_content, metadata, path):
 
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    if file_content is None:
 
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        return metadata.obsolete_revision
 
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    try:
 
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        result = int(file_content.strip())
 
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        if result >= 0:
 
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            return result
 
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    except (ValueError, TypeError):
 
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        pass
 
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    raise CharmError(path, "invalid charm revision %r" % file_content)
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class CharmBase(object):
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        raise NotImplementedError("%s.%s not supported" %
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                                  (self.__class__.__name__, attr))
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    def get_revision(self):
 
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        """Get the revision, preferably from the revision file.
 
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        Will fall back to metadata if not available.
 
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        """
 
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        self._unsupported("get_revision()")
 
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    def set_revision(self, revision):
 
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        """Update the revision file, if possible.
 
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        Some subclasses may not be able to do this.
 
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        """
 
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        self._unsupported("set_revision()")
 
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    def as_bundle(self):
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        """Transform this charm into a charm bundle, if possible.
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