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Learning Python Networking

You're reading from   Learning Python Networking Utilize Python 3 to get network applications up and running quickly and easily

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781784396008
Length 320 pages
Edition 1st Edition
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Concepts
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Toc

Table of Contents (12) Chapters Close

Preface 1. Network Programming and Python FREE CHAPTER 2. HTTP and Working with the Web 3. APIs in Action 4. Engaging with E-mails 5. Interacting with Remote Systems 6. IP and DNS 7. Programming with Sockets 8. Client and Server Applications 9. Applications for the Web A. Working with Wireshark Index

Requests with urllib

We have already seen some examples of HTTP exchanges while discussing the RFC downloaders in Chapter 1, Network Programming and Python. The urllib package is broken into several submodules for dealing with the different tasks that we may need to perform when working with HTTP. For making requests and receiving responses, we employ the urllib.request module.

Retrieving the contents of a URL is a straightforward process when done using urllib. Load your Python interpreter and do the following:

>>> from urllib.request import urlopen
>>> response = urlopen('http://www.debian.org')
>>> response
<http.client.HTTPResponse object at 0x7fa3c53059b0>
>>> response.readline()
b'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">\n'

We use the urllib.request.urlopen() function for sending a request and receiving a response for the resource at http://www.debian...

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