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import sys
import io
import json
from rmq.consumer import consume
from rmq.publisher import publish
from config import HOST
from config import EXCHANGE_TYPE
from config import QUEUE
def execute(snippet):
old_stdout = sys.stdout
redirected_output = sys.stdout = io.StringIO()
failed = False
try:
exec(snippet)
except Exception as e:
failed = str(e)
finally:
sys.stdout = old_stdout
if failed:
return failed.strip()
return redirected_output.getvalue().strip()
def message_handler(ch, method, properties, body):
msg = body.decode('utf-8')
print(f"incoming: {msg}", flush=True)
snek_msg = json.loads(msg)
for snekid, snekcode in snek_msg.items():
result = execute(snekcode)
print(f"outgoing: {result}", flush=True)
publish(result,
host=HOST,
queue=snekid,
routingkey=snekid,
exchange=snekid,
exchange_type=EXCHANGE_TYPE)
ch.basic_ack(delivery_tag=method.delivery_tag)
if __name__ == '__main__':
consume(host=HOST, queue=QUEUE, callback=message_handler)
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