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#!/usr/bin/env python3
""" Entry point to play the game. """
import argparse
import asyncio
import contextlib
import json
import logging
import websockets.server
import websockets.exceptions
import swiftstory.game_manager
from swiftstory.exception import WrongAction, JoinError
from swiftstory.client import Client
from swiftstory.status import error
game_manager = swiftstory.game_manager.GameManager()
def message_received_handler(client, message):
def join_game():
try:
game_name = json_msg['game_name']
except KeyError:
return error('field `game_name\' is required')
else:
lang = json_msg.get('lang')
return client.join_game(game_name, lang)
def designate_card():
card_id = None
try:
card_id = int(json_msg['card_id'])
except (KeyError, TypeError):
pass
finally:
return client.designate_card(card_id)
def play_white_card():
try:
card_id = int(json_msg['card_id'])
except KeyError:
return error('field `card_id\' is required')
else:
return client.play_white_card(card_id)
opcodes_map = {
"join_game": join_game,
"view_player_cards": lambda: client.view_player_cards(),
"view_black_card": lambda: client.view_black_card(),
"view_played_cards": lambda: client.view_played_cards(),
"pick_black_card": lambda: client.pick_black_card(),
"collect_cards": lambda: client.collect_cards(),
"designate_card": designate_card,
"play_white_card": play_white_card,
}
try:
json_msg = json.loads(message)
except json.JSONDecodeError:
return error('badly formatted json')
try:
return opcodes_map[json_msg["op"]]()
except (KeyError, TypeError):
return error('invalid command')
except WrongAction as e:
return error(str(e))
except JoinError as e:
logging.warning("player could not join game: %s", e.__repr__())
return error(str(e))
async def connection_handler(websocket, path):
client = Client(websocket, game_manager)
with contextlib.suppress(websockets.exceptions.ConnectionClosed):
async for message in client.socket:
await client.socket.send(message_received_handler(client, message))
client.disconnect()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--listen', type=str, default='0.0.0.0')
parser.add_argument('--port', type=int, default=1236)
args = vars(parser.parse_args())
logging.basicConfig(level=logging.INFO)
start_server = websockets.server.serve(connection_handler, args['listen'], args['port'])
asyncio.get_event_loop().run_until_complete(start_server)
asyncio.get_event_loop().run_forever()
if __name__ == '__main__':
main()
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