Answers for "python import __init__.py"

__init__.py file in python

# __init__.py
# you can comment here about your package.
# you can also add external libraries to your package.
# for example:
import numpy
import pandas

# you can also add your package information in this file.
__version__ = '2.1.1'
__author__ = 'Depressed Dingo'

# __all__ make others able to access to this datas by importing our package.
__all__ = ['numpy', 'pandas', '__version__', '__author__']


# -----------------------------------------
# main.py
# example of using this.

from test_package import *
# or
from test_package import numpy

print(__auther__) # --> Depressed Dingo

__init__ python

class A(object):
    def __init__(self):
        self.x = 'Hello'

    def method_a(self, foo):
        print self.x + ' ' + foo