python-background-jobs

Python background job patterns including task queues, workers, and event-driven architecture. Use when implementing async task processing, job queues, long-running operations, or decoupling work from request/response cycles.

1.32x

Quality

77%

Does it follow best practices?

Impact

99%

1.32x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

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npx tessl skill review --optimize ./plugins/python-development/skills/python-background-jobs/SKILL.md

Evaluation results

100%

31%

CSV Data Export Service

Async job submission and status polling API

Criteria

Without context

With context

Immediate return with job ID

100%

poll_url in response

100%

Job status enum

62%

100%

Job model timestamp fields

100%

Job model result and error fields

100%

Status polling endpoint

100%

404 on missing job

100%

Result only when succeeded

37%

100%

Error only when failed

37%

100%

is_terminal flag

100%

UUID for job IDs

100%

23%

Outbound Webhook Delivery System

Celery task config, retry, and dead letter queue

Criteria

Without context

With context

task_acks_late=True

100%

task_reject_on_worker_lost

100%

worker_prefetch_multiplier=1

100%

Both time limits set

100%

bind=True on task

100%

max_retries on task

100%

Exponential backoff

100%

Permanent failure not retried

100%

DLQ on max retries exhausted

100%

DLQ message content

75%

100%

autoretry_for or explicit retry

100%

98%

17%

Subscription Renewal Background Processor

Idempotent task design and job state tracking

Criteria

Without context

With context

Check-before-write idempotency

100%

Idempotency key for payment

100%

Job state: pending → running → succeeded/failed

100%

started_at timestamp on running

100%

completed_at timestamp on completion

100%

Structured logging on state change

91%

100%

job_id in log

100%

status in log

100%

upsert or dedup pattern

100%

75%

No double-charge risk

60%

100%

Repository: wshobson/agents
Commit: 27a7ed9

Evaluated: about 2 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

CSV Data Export Service Outbound Webhook Delivery System Subscription Renewal Background Processor

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