from datetime import datetime, timedelta class MTProtoRequest: def __init__(self): self.sent = False self.msg_id = 0 # Long self.sequence = 0 self.dirty = False self.send_time = None self.confirm_received = False # These should be overrode self.constructor_id = 0 self.confirmed = False self.responded = False # These should not be overrode def on_send_success(self): self.send_time = datetime.now() self.sent = True def on_confirm(self): self.confirm_received = True def need_resend(self): return self.dirty or (self.confirmed and not self.confirm_received and datetime.now() - self.send_time > timedelta(seconds=3)) # These should be overrode def on_send(self, writer): pass def on_response(self, reader): pass def on_exception(self, exception): pass