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Table of Contents
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Part I. Getting Started with Python
1. Introduction to Python. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
The Python Language 3
The Python Standard Library and Extension Modules 5
Python Implementations 5
Python Development and Versions 12
Python Resources 14
Installation 17
Installing Python from Binaries 18
Installing Python from Source Code 19
Installing Jython 21
Installing IronPython 22
Installing PyPy 22
2. The Python Interpreter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
The python Program 23
Python Development Environments 28
Running Python Programs 30
The jython Interpreter 31
The IronPython Interpreter 31
The PyPy Interpreter 32
II. Core Python Language and Built-ins
3. The Python Language. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Lexical Structure 35
Data Types 41
Variables and Other References 50
Expressions and Operators 55
Numeric Operations 57
Sequence Operations 59
Set Operations 65
Dictionary Operations 67
Control Flow Statements 70
Functions 80
4. Object-Oriented Python. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Classes and Instances 99
Special Methods 123
Decorators 138
Metaclasses 140
5. Exceptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
The try Statement 147
The with Statement and Context Managers 151
Exception Propagation 153
The raise Statement 155
Exception Objects 156
Custom Exception Classes 161
Error-Checking Strategies 163
The assert Statement 168
6. Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Module Objects 172
Module Loading 176
Packages 182
Distribution Utilities (distutils) and setuptools 184
Python Environments 186
7. Core Built-ins and Standard Library Modules. . . . . . . . . . . . . . . . . . . . . . . . . 195
Built-in Types 196
Built-in Functions 199
The sys Module 210
The collections Module 215
The functools Module 220
The heapq Module 222
The argparse Module 225
The itertools Module 226
8. Strings and Things. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Methods of String and Bytes Objects 231
The string Module 237
String Formatting 238
Text Wrapping and Filling 247
The pprint Module 247
The reprlib Module 248
Unicode 248
9. Regular Expressions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Regular Expressions and the re Module 251
Part III. Python Library and Extension Modules
10. File and Text Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Other Chapters That Also Deal with Files 269
Organization of This Chapter 269
The io Module 271
Auxiliary Modules for File I/O 279
In-Memory “Files”: io.StringIO and io.BytesIO 284
Compressed Files 285
The os Module 295
Filesystem Operations 297
Text Input and Output 315
Richer-Text I/O 317
Interactive Command Sessions 323
Internationalization 327
11. Persistence and Databases. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Serialization 336
DBM Modules 346
Berkeley DB Interfacing 349
The Python Database API (DBAPI) 2.0 349
12. Time Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
The time Module 361
The datetime Module 366
The pytz Module 372
The dateutil Module 373
The sched Module 375
The calendar Module 377
13. Controlling Execution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
14. Threads and Processes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
15. Numeric Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
16. Testing, Debugging, and Optimizing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453
IV. Network and Web Programming
17. Networking Basics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495
18. Asynchronous Alternatives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515
19. Client-Side Network Protocol Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547
20. Serving HTTP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567
21. Email, MIME, and Other Network Encodings. . . . . . . . . . . . . . . . . . . . . . . . . . 591
22. Structured Text: HTML. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605
23. Structured Text: XML. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625
Part V. Extending, Distributing, v2/v3 Migration
24. Extending and Embedding Classic Python. . . . . . . . . . . . . . . . . . . . . . . . . . . . 641
25. Distributing Extensions and Programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 687
26. v2/v3 Migration and Coexistence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 723
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