def __init__(self, uri=None, version=None, text=None,
      extension_elements=None, extension_attributes=None):

    self.uri = uri
    self.version = version
    self.text = text
    self.extension_elements = extension_elements or []
    self.extension_attributes = extension_attributes or {}
Return the short option letter or None
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/atom/__init__.py/Generator.__init__--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/zshcomp.py/ArgumentsGenerator.getShortOption