Packages in Python

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Products containing a domain name are the same timetable for the module. They have only calls, but they have a light. Each package in Python. This guide must contain a separate file called __init__.py.

What is the package?

We do not typically store all the files in our city computer. We use well-designed class sizes that are easy to access calls.
Introduce the same address, for example, we can keep all the music songs. Analog and this, Python has a package for modules and modules.

As our program increases in many parts, we put it in the same package in different parts of the package. This creates a project that is easy to manage and understand.
Also, a booklet can be found on the files and folders, the Python package can have a lower module and modules.
The registry should include a file named __init__.py for Python and consider it as a packaging. This folder can be empty, but in general, enter the opening number of this package.
Below is an example. Tell us that we are developing the game, the organization can be grouped in the module as it is shown in the next picture.

Appendix of the package:

We can forward it to the link system using a point (.)

For example, if you want to download the old program, it is done in the following format.

import Game.Level.start

Introduction:

I learned that analysis is a file that contains Python evidence and definitions, such as assignments and class definitions. We will learn about this unit so we can combine several teams together to make a package.

The packaging is a way to configure the Python part of the system using the "titles of grades". A.b refers to the supply of B in a packet A. Two different rollers, such as P1 and P2, can have the same two identical names, with A, for example. Pods and P2 'submodule One packet tags may be completely different.

One of the packages has been exported as a "normal system".
We can start with this example for example.

A simple example:

Let's introduce you, for example, to create a very simple package with several Python components.
First, we need a book. This will be the name of the directory in the package we want to do. Let's call our "simple_package" envelope. This folder should contain a file named "__init__.py". This file can be empty, or it may contain the correct Python number. This law will be implemented when a package is issued so it can be used to launch a package, for example, to ensure that several other types of imports or parts of the plan are imported. Now we can put everything in the Python file folder in the module.

For Example:

def bar():
 print("Hello, function 'bar' from module 'a' calling")
We make two simple files called b.py only for the purpose of filling in the module.
A.py:

For Example:

def foo():
    print("Hello, function 'foo' from module 'b' calling")

 More complicated maps:

We will introduce the following example of how we can make a lot of hard packets. We use a hearing aids module for formal education.
sound
|-- effects
|   |-- echo.py
|   |-- __init__.py
|   |-- reverse.py
|   `-- surround.py
|-- filters
|   |-- equalizer.py
|   |-- __init__.py
|   |-- karaoke.py
|   `-- vocoder.py
|-- formats
|   |-- aiffread.py
|   |-- aiffwrite.py
|   |-- auread.py
|   |-- auwrite.py
|   |-- __init__.py
|   |-- wavread.py
|   `-- wavwrite.py
`-- __init__.py

Downloading a complete package:

For the first computer, we want to be an example of the principle of early training. We want to add a file (file) Function (file name: Fox) in the sound file. Information about the new package can be printed on a ZIP file. We want to present now what's going on if we download the sounds and star boats, that is, * Sound of imports. What I can expect to do is produce all the elements of the envelopes and pads. Let's see what's happening:

For Example:

>>> from sound import *
sound package is getting imported!



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