Private Constructor in Python

Question

How do I create a private constructor which should be called only by the static function of the class and not from else where?

Answer 1

Fist of all, the term "constructor" does not apply to Python, because, although __init__() method plays a role of one, it is just a method which is called when an object has already been created and requires initialization.

Every method of a class in Python is public. Generally programmers mark "private" methods with _ or __ in the name of a method, e.g.:

# inheriting from object is relevant for Python 2.x only
class MyClass(object): 
    # kinda "constructor"
    def __init__(self):
        pass

    # here is a "private" method
    def _some_method(self):
        pass

    # ... and a public one
    def another_method(self):
        pass