All 15 Logging questions
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Why is it recommended to use logging.getLogger(__name__) instead of the root logger in library and module code?

Intermediate

Answer

Using __name__ creates a logger named after the module's dotted path, forming a hierarchy that mirrors your package structure. This lets consumers of your code configure logging per-module (e.g., silence a noisy submodule while keeping others verbose) and makes log output traceable to its source without every module competing for the single root logger's configuration.
# in mypackage/database.py
import logging
logger = logging.getLogger(__name__)  # 'mypackage.database'

def connect():
    logger.debug('Connecting to database...')
Real-world example A library author uses getLogger(__name__) throughout so downstream applications can selectively enable DEBUG logging just for 'mylib.network' while keeping 'mylib.parsing' at WARNING.

Common follow-ups: How does logger hierarchy and propagation work with dotted names?;Why shouldn't libraries call basicConfig()?

Modules & Packaging;Logging
All 15 Logging questions