def get_page(self, wikipedia_url):
    """Get the proto for the wikipedia page by url.

    Args:
      wikipedia_url: Url to lookup

    Returns:
      Returns proto of page if it exists, otherwise None
    """
    page = (
        self.session
        .query(WikiPage)
        .filter_by(wikipedia_url=wikipedia_url)
        .first()
    )
    if page is None:
      return None
    else:
      return fever_pb2.WikipediaDump.FromString(page.proto)
Get the proto for the wikipedia page by url.

    Args:
      wikipedia_url: Url to lookup

    Returns:
      Returns proto of page if it exists, otherwise None
    
language/serene/wiki_db.py