What is object in python package?

user_16101004 0
Viewed 67

I am learning python and I came across with package in python. I made a directory containing __init__.py and shipping.py. In shipping.py the code is

def calc_shipping():
    print("calculating shipping cost")

I made another python file called app.py outside this directory to import this package

from package import shipping
#package.shipping.calc_shipping()
shipping.calc_shipping()

I want to know that when we called shipping.calc_shipping() it prints the message.The shipping in this is an object ? if it is then we should have class, we didn't declare any classes in our package. Somebody please clarify me with this concept

object python-3.x python
1 Answers

In Python everything is an object. classes, functions, methods, even modules, operators and etc. (except for language tokens and keywords which make statements like if-statement , try-except... )

Every class in Python inherits from a base object class.

Functions are not exceptions, They are from type function:

def fn():
    pass

print(type(fn))

output:

<class 'function'>

You don't need to define it in your module. def keyword will create an instance of this class for you.

It is available through types module:

from types import FunctionType

def fn():
    pass

t = type(fn)
print(t is FunctionType)  # True
user_139445240
Related