def __init__()

in src/key_server_common.py [0:0]


    def __init__(self, request_body, cache, generator):
        self.error_message = ""
        self.cache = cache
        self.generator = generator
        self.root = element_tree.fromstring(request_body)
        self.document_key = None
        self.hmac_key = None
        self.public_key = None
        self.use_playready_content_key = False
        element_tree.register_namespace("cpix", "urn:dashif:org:cpix")
        element_tree.register_namespace("pskc", "urn:ietf:params:xml:ns:keyprov:pskc")
        element_tree.register_namespace("speke", "urn:aws:amazon:com:speke")
        element_tree.register_namespace("ds", "http://www.w3.org/2000/09/xmldsig#")
        element_tree.register_namespace("enc", "http://www.w3.org/2001/04/xmlenc#")