def __init__(self, start_index=None, atom_id=None, title=None, entry=None,
      category=None, link=None, updated=None,
      extension_elements=None, extension_attributes=None, text=None):

    self.start_index = start_index
    self.category = category or []
    self.id = atom_id
    self.link = link or []
    self.title = title
    self.updated = updated
    self.entry = entry or []
    self.text = text
    self.extension_elements = extension_elements or []
    self.extension_attributes = extension_attributes or {}
Constructor for Source
dataset/ETHPy150Open CollabQ/CollabQ/vendor/gdata/webmastertools/__init__.py/SitesFeed.__init__