def _buildid_for_type(self, buildtype):
"""
Gets a buildid for a given type of build
"""
KNOWNBUILDTYPES = [
"lastStableBuild", "lastSuccessfulBuild", "lastBuild",
"lastCompletedBuild", "firstBuild", "lastFailedBuild"
]
assert buildtype in KNOWNBUILDTYPES, ('Unknown build info type: %s' %
buildtype)
data = self.poll(tree='%s[number]' % buildtype)
if not data.get(buildtype):
raise NoBuildData(buildtype)
return data[buildtype]["number"]
