Agent skill · software engineering · sickn33
python-patterns
Python development principles and decision-making. Framework selection, async patterns, type hints, project structure. Teaches thinking, not copying.
Why this skill is useful
Provides decision-making frameworks and architecture patterns for Python that the AI wouldn't reliably generate on its own.
What it needs
About 6k tokens when loaded. Last updated 2026-08-07. 44,571 stars on the source repository.
What this skill does
Python Patterns Python development principles and decision-making for 2025. Learn to THINK, not memorize patterns. When to Use Use this skill when making Python architecture decisions, choosing frameworks, designing async patterns, or structuring Python projects. --- ⚠️ How to Use This Skill 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 --- 1. Framework Selection (2025) Decision Tree Comparison Principles 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 Selection Questions to Ask: 1. Is this API-only or full-stack? 2. Need admin interface? 3. Team familiar with async? 4. Existing infrastructure? --- 2. Async vs Sync Decision When to Use Async The Golden Rule Async Library Selection Need Async Library ------ --------------- HTTP client httpx PostgreSQL asyncpg Redis aioredis / redis-py async File I/O aiofiles Database ORM SQLAlchemy 2.0 async, Tortoise --- 3. Type Hints Strategy When to Type Common Type Patterns Pydantic for Validation --- 4. Project Structure Principles Structure Selection FastAPI Structure Principles --- 5. Django Principles (2025) Django Async (Django 5.0+) Django Best Practices --- 6. FastAPI Principles async def vs def in FastAPI Dependency Injection Pydantic v2 Integration --- 7. Background Tasks Selection Guide Solution Best For ---------- ---------- BackgroundTasks Simple, in-process tasks Celery Distributed, complex workflows ARQ Async, Redis-based RQ Simple Redis queue Dramatiq Actor-based, simpler than Celery When to Use Each --- 8. Error Handling Principles Exception Strategy Error Response Philosophy --- 9. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sickn33/python-patterns--2118e1