Python SQLModel: Typed CRUD with FastAPI
Model a table, run CRUD in short sessions, and separate persisted data from your API public contracts.
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12 articles on this pagePython Tenacity: Retries with Backoff and Limits
Retry transient failures with explicit limits, randomized waits, observability, and fast deterministic tests.
Python Typer: Build a Typed Command-Line Interface
Turn annotated functions into a maintainable CLI with generated help, validation, subcommands, and focused tests.
pre-commit for Python: Practical Quality Hooks
Automate fast checks before each commit with pinned pre-commit hooks and the same validation in CI.
Pydantic Settings: Typed Configuration in Python
Centralize application configuration with pydantic-settings and fail early when required environment values are missing.
typing.Protocol in Python: Structural Typing
Define lightweight contracts with typing.Protocol and accept compatible objects without requiring explicit inheritance.
asyncio.TaskGroup in Python: Structured Concurrency
Coordinate related tasks with asyncio.TaskGroup while understanding results, failures, cancellation, and gather.
Dependency Injection in FastAPI with Depends
Organize shared API logic with FastAPI Depends, Annotated, sub-dependencies, yield, and test overrides.
pytest Fixtures, Mocks, and monkeypatch in Python
Build clearer tests with fixtures, temporary files, and monkeypatch without testing mocks instead of behavior.
Streamlit with Python: Build a Data Dashboard
Turn a DataFrame into an interactive Streamlit dashboard with filters, metrics, charts, and deliberate caching.
Alembic with Python: Database Migrations
Version schema changes with Alembic and SQLAlchemy, reviewing generated migrations before applying them safely.
Ruff for Python: Linting and Formatting in Practice
Use Ruff for linting, import sorting, and formatting with a small configuration and predictable CI checks.