def __new__(cls, trackName):
if trackName == [] or trackName is None:
return None
else:
if ExternalTrackManager.isVirtualTrack(trackName):
return VirtualMinimalTrack.__new__(VirtualMinimalTrack)
else:
return object.__new__(cls)
def __new__(cls, trackName):
if len(trackName) == 0 or trackName is None:
return None
else:
if ExternalTrackManager.isVirtualTrack(trackName):
return VirtualMinimalPlainTrack.__new__(VirtualMinimalPlainTrack)
else:
return object.__new__(cls)
def _getBoundingRegionShelve(self, trackName):
if trackName in [None, []] or ExternalTrackManager.isVirtualTrack(trackName):
brShelve = None
else:
brShelve = BoundingRegionShelve(self.genome, trackName, allowOverlaps=False)
if not brShelve.fileExists():
raise BoundingRegionsNotAvailableError('Bounding regions not available for track: ' + \
prettyPrintTrackName(trackName))
return brShelve
