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# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Browser views for packagesets."""
__metaclass__ = type
__all__ = [
'PackagesetSetNavigation',
]
from lp.services.webapp import GetitemNavigation
from lp.soyuz.interfaces.packageset import IPackagesetSet
class PackagesetSetNavigation(GetitemNavigation):
"""Navigation methods for PackagesetSet."""
usedfor = IPackagesetSet
def traverse(self, distroseries):
"""Traverse package sets in distro series context.
The URI fragment of interest is:
/package-sets/lucid/mozilla
where 'lucid' is the distro series and 'mozilla' is the package set
*name* respectively.
"""
if self.request.stepstogo:
# The package set name follows after the distro series.
ps_name = self.request.stepstogo.consume()
return self.context.getByName(ps_name, distroseries=distroseries)
# Otherwise return None (to trigger a NotFound error).
return None
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