Функция вызова Python из строки
result = getattr(model_or_object, 'function')('arguments')
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result = getattr(model_or_object, 'function')('arguments')
import foo
method_to_call = getattr(foo, 'bar')
result = method_to_call()
module = __import__('foo')
func = getattr(module, 'bar')
func()
getattr(obj, 'func')('foo', 'bar', 'args')