click

Extra Credit builds an outline of click's docs the first time your work uses it. Until then, start at the official documentation.

• pyyaml YAML parser and emitter for Python
• python-dateutil Extensions to the standard Python datetime module
• six Python 2 and 3 compatibility utilities
• pluggy plugin and hook calling mechanisms for python
• botocore Low-level, data-driven core of boto 3.
• pycparser C parser in Python
• pydantic_core Core functionality for Pydantic validation and serialization
• anyio High-level concurrency and networking framework on top of asyncio or Trio
• iniconfig brain-dead simple config-ini parsing
• annotated-types Reusable constraint types to use with typing.Annotated
• h11 A pure-Python, bring-your-own-I/O implementation of HTTP/1.1
• typing-inspection Runtime typing introspection tools