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import os
import shlex
import subprocess
from uuid import uuid4
from redis import Redis
def error_filename(job_id, error_dir):
return f"{error_dir}/job_{job_id}.error"
def launch_job(redis_conn: Redis, filepath, filetype, redisurl, error_dir):
"""Launch a job in the background"""
job_id = str(uuid4())
command = [
"python3", "-m" "scripts.worker", filetype, filepath, redisurl, job_id]
job = {
"job_id": job_id, "command": shlex.join(command), "status": "pending",
"filename": os.path.basename(filepath), "percent": 0
}
redis_conn.hset(name=job["job_id"], mapping=job)
if not os.path.exists(error_dir):
os.mkdir(error_dir)
with open(error_filename(job_id, error_dir), "w") as errorfile:
subprocess.Popen(command, stderr=errorfile)
return job
def job(redis_conn, job_id: str):
"Retrieve the job"
return redis_conn.hgetall(job_id)
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