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"""Endpoints and functions concerning commands run in external processes."""
import redis
from flask import jsonify, Blueprint
async_commands = Blueprint("async_commands", __name__)
@async_commands.route("/state/<command_id>")
def command_state(command_id):
"""Respond with the current state of command identified by `command_id`."""
with redis.Redis(decode_responses=True) as rconn:
state = rconn.hgetall(name=command_id)
if not state:
return jsonify(
error="The command id provided does not exist.",
status="error"), 404
return jsonify(dict(state.items()))
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