diff options
| -rw-r--r-- | gn3/commands.py | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gn3/commands.py b/gn3/commands.py index b873d4d..79e1e7e 100644 --- a/gn3/commands.py +++ b/gn3/commands.py @@ -18,6 +18,8 @@ from uuid import uuid4 from flask import current_app from redis.client import Redis # Used only in type hinting +from pymonad.either import Either, Left, Right + from gn3.chancy import random_string from gn3.exceptions import RedisConnectionError @@ -168,3 +170,24 @@ def run_async_cmd( cmd_id = queue_cmd(conn, job_queue, cmd, email, env) subprocess.Popen([f"{sys.executable}", "-m", "sheepdog.worker"]) # pylint: disable=[consider-using-with] return cmd_id + + +def monadic_run_cmd(cmd) -> Either: + """Run a given command and return it's results as an Either monad""" + result = "" + try: + result = subprocess.run(cmd, + capture_output=True, + check=True).stdout.decode() + # This command does not exist + except FileNotFoundError as excpt: + return Left({ + "command": cmd, + "error": str(excpt), + }) + except subprocess.CalledProcessError as excpt: + return Left({ + "command": cmd, + "error": str(excpt), + }) + return Right(result) |