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Core Python Applications Programming, 3rd Edition

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Core Python Applications Programming, 3rd Edition

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  • Copyright 2012
  • Dimensions: 7" x 9-1/8"
  • Pages: 888
  • Edition: 3rd
  • eBook (Watermarked)
  • ISBN-10: 0-13-285001-X
  • ISBN-13: 978-0-13-285001-8

  • Already know Python but want to learn more? A lot more? Dive into a variety of topics used in practice for real-world applications.
  • Covers regular expressions, Internet/network programming, GUIs, SQL/databases/ORMs, threading, and Web development.
  • Learn about contemporary development trends such as Google+, Twitter, MongoDB, OAuth, Python 3 migration, and Java/Jython. Presents brand new material on Django, Google App Engine, CSV/JSON/XML, and Microsoft Office. Includes Python 2 and 3 code samples to get you started right away!
  • Provides code snippets, interactive examples, and practical exercises to help build your Python skills.

The Complete Developer’s Guide to Python

Python is an agile, robust, and expressive programming language that continues to build momentum. It combines the power of compiled languages with the simplicity and rapid development of scripting languages. In Core Python Applications Programming, Third Edition, leading Python developer and corporate trainer Wesley Chun helps you take your Python knowledge to the next level.

This book has everything you need to become a versatile Python developer. You will be introduced to multiple areas of application development and gain knowledge that can be immediately applied to projects, and you will find code samples in both Python 2 and 3, including migration tips if that’s on your roadmap too. Some snippets will even run unmodified on 2.x or 3.x.

  • Learn professional Python style, best practices, and good programming habits
  • Build clients and servers using TCP, UDP, XML-RPC, and be exposed to higher-level libraries like SocketServer and Twisted
  • Develop GUI applications using Tkinter and other available toolkits
  • Improve application performance by writing extensions in C/C++, or enhance I/O-bound code with multithreading
  • Discover SQL and relational databases, ORMs, and even non-relational (NonSQL) databases like MongoDB
  • Learn the basics of Web programming, including Web clients and servers, plus CGI and WSGI
  • Expose yourself to regular expressions and powerful text processing tools for creating and parsing CSV, JSON, and XML data
  • Interface with popular Microsoft Office applications such as Excel, PowerPoint, and Outlook using COM client programming
  • Dive deeper into Web development with the Django framework and cloud computing with Google App Engine
  • Explore Java programming with Jython, the way to run Python code on the JVM
  • Connect to Web services Yahoo! Finance to get stock quotes, or Yahoo! Mail, Gmail, and others to download or send e-mail
  • Jump into the social media craze by learning how to connect to the Twitter and Google+ networks

Core Python Applications Programming, Third Edition, delivers

  • Broad coverage of a variety of areas of development used in real-world applications today
  • Powerful insights into current and best practices for the intermediate Python programmer
  • Dozens of code examples, from quick snippets to full-fledged applications
  • A variety of exercises at the end of every chapter to help hammer the concepts home

Sample Content

Table of Contents

Preface           xv

Acknowledgments          xxvii

About the Author         xxxi

Part I: General Application Topics         1

Chapter 1: Regular Expressions          2

1.1 Introduction/Motivation   3

1.2 Special Symbols and Characters   6

1.3 Regexes and Python   16

1.4 Some Regex Examples   36

1.5 A Longer Regex Example   41

1.6 Exercises   48

Chapter 2: Network Programming         53

2.1 Introduction   54

2.2 What Is Client/Server Architecture?   54

2.3 Sockets: Communication Endpoints   58

2.4 Network Programming in Python   61

2.5 The SocketServer Module   79

2.6 Introduction to the Twisted Framework   84

2.7 Related Modules   88

2.8 Exercises   89

Chapter 3: Internet Client Programming         94

3.1 What Are Internet Clients? 95

3.2 Transferring Files 96

3.3 Network News 104

3.4 E-Mail 114

3.5 Related Modules 146

3.6 Exercises 148

Chapter 4: Multithreaded Programming         156

4.1 Introduction/Motivation   157

4.2 Threads and Processes   158

4.3 Threads and Python   160

4.4 The thread Module   164

4.5 The threading Module   169

4.6 Comparing Single vs. Multithreaded Execution   180

4.7 Multithreading in Practice   182

4.8 Producer-Consumer Problem and the Queue/queue Module   202

4.9 Alternative Considerations to Threads   206

4.10 Related Modules   209

4.11 Exercises   210

Chapter 5: GUI Programming           213

5.1 Introduction   214

5.2 Tkinter and Python Programming   216

5.3 Tkinter Examples   221

5.4 A Brief Tour of Other GUIs   236

5.5 Related Modules and Other GUIs   247

5.6 Exercises   250

Chapter 6: Database Programming         253

6.1 Introduction   254

6.2 The Python DB-API   259

6.3 ORMs   289

6.4 Non-Relational Databases   309

6.5 Related References   316

6.6 Exercises   319

Chapter 7: Programming Microsoft Office         324

7.1 Introduction   325

7.2 COM Client Programming with Python   326

7.3 Introductory Examples   328

7.4 Intermediate Examples   338

7.5 Related Modules/Packages   357

7.6 Exercises   357

Chapter 8: Extending Python         364

8.1 Introduction/Motivation   365

8.2 Extending Python by Writing Extensions   368

8.3 Related Topics   384

8.4 Exercises   388

Part II: Web Development          389

Chapter 9: Web Clients and Servers          390

9.1 Introduction   391

9.2 Python Web Client Tools   396

9.3 Web Clients   410

9.4 Web (HTTP) Servers   428

9.5 Related Modules   433

9.6 Exercises   436

Chapter 10: Web Programming: CGI and WSGI          441

10.1 Introduction   442

10.2 Helping Web Servers Process Client Data   442

10.3 Building CGI Applications   446

10.4 Using Unicode with CGI   464

10.5 Advanced CGI   466

10.6 Introduction to WSGI   478

10.7 Real-World Web Development   487

10.8 Related Modules   488

10.9 Exercises   490

Chapter 11: Web Frameworks: Django         493

11.1   Introduction   494

11.2   Web Frameworks   494

11.3   Introduction to Django   496

11.4   Projects and Apps   501

11.5   Your “Hello World” Application (A Blog)   507

11.6   Creating a Model to Add Database Service   509

11.7   The Python Application Shell   514

11.8   The Django Administration App   518

11.9   Creating the Blog’s User Interface   527

11.10 Improving the Output   537

11.11 Working with User Input   542

11.12 Forms and Model Forms   546

11.13 More About Views   551

11.14 Look-and-Feel Improvements   553

11.15 Unit Testing   554

11.16 An Intermediate Django App: The TweetApprover   564

11.17 Resources   597

11.18 Conclusion  597

11.19 Exercises   598

Chapter 12: Cloud Computing: Google App Engine          604

12.1   Introduction   605

12.2   What Is Cloud Computing?   605

12.3   The Sandbox and the App Engine SDK   612

12.4   Choosing an App Engine Framework   617

12.5   Python 2.7 Support   626

12.6   Comparisons to Django   628

12.7   Morphing “Hello World” into a Simple Blog   631

12.8   Adding Memcache Service   647

12.9   Static Files   651

12.10 Adding Users Service   652

12.11 Remote API Shell   654

12.12 Lightning Round (with Python Code)   656

12.13 Sending Instant Messages by Using XMPP   660

12.14 Processing Images   662

12.15 Task Queues (Unscheduled Tasks)   663

12.16 Profiling with Appstats   670

12.17 The URLfetch Service   672

12.18 Lightning Round (without Python Code)   673

12.19 Vendor Lock-In   675

12.20 Resources   676

12.21 Conclusion   679

12.22 Exercises   680

Chapter 13: Web Services         684

13.1 Introduction   685

13.2 The Yahoo! Finance Stock Quote Server   685

13.3 Microblogging with Twitter   690

13.4 Exercises   707

Part III: Supplemental/Experimental         713

Chapter 14: Text Processing         714

14.1 Comma-Separated Values   715

14.2 JavaScript Object Notation   719

14.3 Extensible Markup Language   724

14.4 References   738

14.5 Related Modules   740

14.6 Exercises   740

Chapter 15: Miscellaneous          743

15.1 Jython   744

15.2 Google+   748

15.3 Exercises   759

Appendix A: Answers to Selected Exercises          763

Appendix B: Reference Tables           768

Appendix C: Python 3: The Evolution of a Programming Language          798

C.1 Why Is Python Changing?   799

C.2 What Has Changed?   799

C.3 Migration Tools   805

C.4 Conclusion   806

C.5 References   806

Appendix D: Python 3 Migration with 2.6+            807

D.1 Python 3: The Next Generation   807

D.2 Integers   809

D.3 Built-In Functions   812

D.4 Object-Oriented Programming: Two Different Class Objects   814

D.5 Strings   815

D.6 Exceptions   816

D.7 Other Transition Tools and Tips   817

D.8 Writing Code That is Compatible in Both Versions 2.x and 3.x   818

D.9 Conclusion   822

Index                823


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