python-patterns

Topics in the source

• Python Patterns
• ⚠️ How to Use This Skill
• 1. Framework Selection (2025)
• Decision Tree
• Comparison Principles
• Selection Questions to Ask:
• 2. Async vs Sync Decision
• When to Use Async

Python development principles and decision-making for 2025. Learn to THINK, not memorize patterns. -- This skill teaches decision-making principles, not fixed code to copy. ASK user for framework preference when unclear Choose async vs sync based on CONTEXT Don't default to same framework every time -- | Factor | FastAPI | Django | Flask | |--------|---------|--------|-------| | Best for | APIs, microservices | Full-stack, CMS | Simple, learning | | Async | Native | Django 5.0+ | Via extensions | | Admin | Manual | Built-in | Via extensions | | ORM | Choose your own | Django ORM | Choose your own | | Learning curve | Low | Medium | Low | 1. Is this API-only or full-stack? 2. Need admin interface? 3. Team familiar with async? 4. Existing infrastructure? -- | Need | Async Library | |------|---------------| | HTTP client | httpx | | PostgreSQL | asyncpg | | Redis | aioredis / redis-py async | | File I/O | aiofiles | | Database ORM | SQLAlchemy 2.0 async, Tortoise | -- -- -- -- -- | Solution | Best For | |----------|----------| | BackgroundTasks | Simple, in-process tasks | | Celery | Distributed, complex workflows | | ARQ | Async, Redis-based | | RQ | Simple Redis queue | | Dramatiq |

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