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REFERENCEpython

python Documentation

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Context Managers (@contextmanager)

PYTHON REFERENCE // context-managers-contextmanager

Allows you to allocate and release resources precisely

Syntax

from contextlib import contextmanager
@contextmanager
def open_file(name):
    f = open(name, 'w')
    yield f
    f.close()

Examples

Example 01Basic Usage
from contextlib import contextmanager
@contextmanager
def open_file(name):
    f = open(name, 'w')
    yield f
    f.close()

Best Practices

  • Consult official Python documentation for advanced usage.
  • Ensure proper indentation and Pythonic style (PEP 8).