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Type Hints for Your Public APIs
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Classroom Contents
How You Can Benefit from Type Hints
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- 1 Intro
- 2 What This Talk is About
- 3 Quick Poll
- 4 Type Hints Used to Be Informal • An example from the standard library
- 5 PEP 484: Type Hints . Based on function annotations, Python 3.5 - Explicit is better than implicit
- 6 The Main Benefit • Improved readability for both humans and tools • Documentation - More compact and easier to grasp than lengthy native
- 7 The Tools
- 8 The Example: ElementTree
- 9 Exceptions
- 10 Add Type Hints • Start with a few function annotations
- 11 Type Checking
- 12 Let's Annotate ElementTree's API - Most type hints are simple
- 13 Type Inference • Tools can infer types in some cases Follow assignments to variables Return types of local functions
- 14 Code Completion • Context-sensitive code completion
- 15 Docs with Type Hints • From the docstring using the Sphinx autodoc extension
- 16 Type Hints for Your Public APIs
- 17 From Simple to Complex
- 18 Liberal vs Conservative
- 19 Type Hints in Your Code • Type hints in Python 3 function annotations It's enough to pip install a library • Compatible with Python 3.5
- 20 Python Stubs
- 21 Available Type Hints
- 22 Try Type Hints!
