def _check_extension()

in optional-kubernetes-engine/bookshelf/storage.py [0:0]

• 5 lines of code
• 3 McCabe index (conditional complexity)

def _check_extension(filename, allowed_extensions):
    if ('.' not in filename or
            filename.split('.').pop().lower() not in allowed_extensions):
        raise BadRequest(
            "{0} has an invalid name or extension".format(filename))