def random_card(self) -> str:
return "E004" + random_hex_string(12, caps=True)
def call_node(self) -> Node:
call = Node.void('call')
call.set_attribute('model', self.config['model'])
call.set_attribute('srcid', self.pcbid)
call.set_attribute('tag', random_hex_string(8))
return call
def exchange(self,
uri: str,
tree: Node,
text_encoding: str = "shift-jis",
packet_encoding: str = "binary") -> Node:
headers = {}
if self.__verbose:
print('Outgoing request:')
print(tree)
# Handle encoding
if packet_encoding == "xml":
_packet_encoding = EAmuseProtocol.XML
elif packet_encoding == "binary":
_packet_encoding = EAmuseProtocol.BINARY
else:
raise Exception(
"Unknown packet encoding {}".format(packet_encoding))
# Handle encryption
if self.__encryption:
encryption = '1-{}-{}'.format(
random_hex_string(8),
random_hex_string(4),
)
headers['X-Eamuse-Info'] = encryption
else:
encryption = None
# Handle compression
if self.__compression:
compression = 'lz77'
else:
compression = None
headers['X-Compress'] = compression
# Convert it
proto = EAmuseProtocol()
req = proto.encode(
compression,
encryption,
tree,
text_encoding=text_encoding,
packet_encoding=_packet_encoding,
)
# Send the request, get the response
r = requests.post(
'http://{}:{}/{}'.format(
self.__address,
self.__port,
uri,
),
headers=headers,
data=req,
)
# Get the compression and encryption
encryption = headers.get('X-Eamuse-Info')
compression = headers.get('X-Compress')
# Decode it
packet = proto.decode(
compression,
encryption,
r.content,
)
if self.__verbose:
print('Incoming response:')
print(packet)
return packet