def escape_silent(s):
    if s is None:
        return Markup()
    return escape(s)
Return an attachment from the specified doc id and filename.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/_markupsafe/_native.py/escape_silent--crossover with--dataset/ETHPy150Open djc/couchdb-python/couchdb/client.py/Database.get_attachment