pathlib: why and how to use it
summary
Argues that pathlib.Path replaces stringly file handling with a concrete type, shows methods like read_text and mkdir(parents=True), demonstrates joining with the slash operator, and notes copy and copy_into land in Python 3.14 and PEP 519 makes open accept Path on 3.6. Shows interoperability with Django pandas pillow pytest click, warns against Path.open and unnecessary str conversions, and reports a search over 400,000 files where Path performance only degrades after converting all results back to Path objects.
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chapters (8)
- 0:00Introduction
- 1:54String-based path problems
- 6:54Why pathlib helps
- 10:05pathlib vs legacy modules
- 13:23How pathlib works
- 18:18Usage and best practices
- 22:19pathlib mistakes
- 24:46Performance and conclusion
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