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Daniel Arbuckle???s Mastering Python

By : Daniel Arbuckle

5 (1)

Buy this Book

Daniel Arbuckle???s Mastering Python

5 (1)

By: Daniel Arbuckle

Buy this Book

Overview of this book

Daniel Arbuckle's Mastering Python covers the basics of operating in a Python development environment, before moving on to more advanced topics. Daniel presents you with real-world solutions to Python 3.6 and advanced-level concepts, such as reactive programming, microservices, ctypes, and Cython tools. You don't need to be familiar with the Python language to use this book, as Daniel starts with a Python primer. Throughout, Daniel highlights the major aspects of managing your Python development environment, shows you how to handle parallel computation, and helps you to master asynchronous I/O with Python 3.6 to improve performance. Finally, Daniel will teach you the secrets of metaprogramming and unit testing in Python, helping you acquire the perfect skillset to be a Python expert. Daniel will get you up to speed on everything from basic programming practices to high-end tools and techniques, things that will help set you apart as a successful Python programmer.

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Python Primer

Python basic syntax and block structure

Python's built-in data structures and comprehensions

First-class functions and classes

The standard library

What's new in modern Python

Summary

Setting Up

Downloading and installing Python

Using the command line and the interactive shell

Installing packages with pip

Finding packages in the Python Package Index

Summary

Making a Package

Creating an empty package

Adding modules to the package

Accessing code from other modules

Adding static data files to the package

Summary

Basic Best Practices

PEP 8 and writing readable code

Using version control

Using venv to create a stable and isolated work area

Getting the most out of docstrings

Summary

Making a Command-Line Utility

Making a package executable via Python -m

Handling command-line arguments with argparse

Python tools to interact with the user

Executing other programs with subprocess

Setting up a shell script or batch file to launch the program

Summary

Parallel Processing

Using the concurrent.futures package

Using the multiprocessing packages

Summary

Coroutines and Asynchronous I/O

The difference between asynchronous processing and parallel processing

Using the asyncio event loop and coroutine scheduler

Awaiting data availability

Synchronizing multiple tasks

Communicating across the network

Summary

Metaprogramming

Using function decorators

Function annotations

Class decorators

Metaclasses

Context managers

Descriptors

Summary

Unit Testing

Understanding the principle of unit testing

Using the unittest package

Using unittest.mock

Using unittest's test discovery

Using nose for unified test discovery and reporting

Summary

Reactive Programming

The concept of reactive programming

Building a simple reactive programming framework

Using the reactive extensions for Python (RxPY)

Summary

Microservices

Microservices and the advantages of process isolation

Building high-level microservices with Flask

Building high-level microservices with nameko

Summary

Extension Modules and Compiled Code

Advantages and disadvantages of compiled code

Accessing a dynamic library using ctypes

Interfacing with C code using Cython

Summary

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Parallel Processing

In the previous chapter, we created a text mode utility program and you learned about several of Python's built-in packages. In this chapter, we're going to see how to use both the high-level concurrent.futures package and the lower-level multiprocessing package to help us write parallel programs. Both are part of the Python standard library.

We will cover the following two topics in detail: