Category: decorators

Problem

Log function entry and exit.

Solution 

  def logged(fn):
    @wraps(fn)
    def wrapper(*a, **k):
        logger.info('call %s', fn.__name__)
        return fn(*a, **k)
    return wrapper

Notes

  • Adapt variable names and paths to your project
  • Add error handling for production use
  • See related chapters in the Learning Path