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class Message:
"""
The headset detect new command with the following schema:
\x00<(message size + 3) in hex>\x80<message in hex>
It must be keeped in bytes because \x80 is not in the ASCII table.
"""
def __init__(self, resource, method, arg=None):
self.method = method
self.resource = resource
self.arg = arg
def __str__(self):
return str(self.request)
@property
def request(self):
message = bytearray()
message.extend(self.header)
message.extend(bytearray(self.request_string, 'utf-8'))
return message
@property
def header(self):
header = bytearray([0])
header.append(len(self.request_string) + 3)
header.append(0x80)
return header
@property
def request_string(self):
if self.method == 'set':
return 'SET {}/{}?arg={}'.format(self.resource, self.method,
str(self.arg).lower())
else:
return 'GET {}/{}'.format(self.resource, self.method)
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