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clientserver_connection.py
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clientserver_connection.py
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from select import select
class ClientServerConnection:
def __init__(self, sock):
self.sock = sock
self.file = sock.makefile("rw")
def __enter__(self):
self.sock.__enter__()
def __exit__(self, *args):
self.sock.__exit__(*args)
def readline(self):
while not select([self.sock], [], [], 1)[0]:
pass
line = self.file.readline()
if not line:
raise EOFError()
return line.replace("\n", "")
def writeline(self, line):
self.file.write(line + "\n")
self.file.flush()
def read_as_enum(self, enum_class):
line = self.readline()
for name, value in enum_class.__members__.items():
if line == name:
return value
def write_as_enum(self, value):
self.writeline(value.name)
def send_and_recv(self, value, result_class):
self.write_as_enum(value)
return self.read_as_enum(result_class)
def send_and_wait(self, value, expected_result):
while True:
response = self.send_and_recv(value, type(expected_result))
if response == expected_result:
return