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Python Pocket Reference 5th 原版PDF by Lutz.pdf

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    Table of Contents
    Introduction
    Book Conventions
    Python Command-Line Usage
    Python Command Options
    Command-Line Program Specification
    Python 2.X Command Options
    Python Environment Variables
    Operational Variables
    Python Command Option Variables
    Python Windows Launcher Usage
    Launcher File Directives
    Launcher Command Lines
    Launcher Environment Variables
    Built-in Types and Operators
    Operators and Precedence
    Operator Usage Notes
    Operations by Category
    Sequence Operation Notes
    Specific Built-in Types
    Numbers
    Strings
    Unicode Strings
    Lists
    Dictionaries
    Tuples
    Files
    Sets
    Other Types and Conversions
    Statements and Syntax
    Syntax Rules
    Name Rules
    Specific Statements
    The Assignment Statement
    The Expression Statement
    The print Statement
    The if Statement
    The while Statement
    The for Statement
    The pass Statement
    The break Statement
    The continue Statement
    The del Statement
    The def Statement
    The return Statement
    The yield Statement
    The global Statement
    The nonlocal Statement
    The import Statement
    The from Statement
    The class Statement
    The try Statement
    The raise Statement
    The assert Statement
    The with Statement
    Python 2.X Statements
    Namespace and Scope Rules
    Qualified Names: Object Namespaces
    Unqualified Names: Lexical Scopes
    Nested Scopes and Closures
    Object-Oriented Programming
    Classes and Instances
    Pseudoprivate Attributes
    New-Style Classes
    Formal Inheritance Rules
    Operator Overloading Methods
    Methods for All Types
    Methods for Collections (Sequences, Mappings)
    Methods for Numbers (Binary Operators)
    Methods for Numbers (Other Operations)
    Methods for Descriptors
    Methods for Context Managers
    Python 2.X Operator Overloading Methods
    Built-in Functions
    Python 2.X Built-in Functions
    Built-in Exceptions
    Superclasses: Categories
    Specific Exceptions
    Specific OSError Exceptions
    Warning Category Exceptions
    Warnings Framework
    Python 3.2 Built-in Exceptions
    Python 2.X Built-in Exceptions
    Built-in Attributes
    Standard Library Modules
    The sys Module
    The string Module
    Functions and Classes
    Constants
    The os System Module
    Administrative Tools
    Portability Constants
    Shell Commands
    Environment Tools
    File Descriptor Tools
    File Pathname Tools
    Process Control
    The os.path Module
    The re Pattern-Matching Module
    Module Functions
    Regular Expression Objects
    Match Objects
    Pattern Syntax
    Object Persistence Modules
    The shelve and dbm Modules
    The pickle Module
    The tkinter GUI Module and Tools
    tkinter Example
    tkinter Core Widgets
    Common Dialog Calls
    Additional tkinter Classes and Tools
    Tcl/Tk-to-Python/tkinter Mappings
    Internet Modules and Tools
    Other Standard Library Modules
    The math Module
    The time Module
    The timeit Module
    The datetime Module
    The random Module
    The json Module
    The subprocess Module
    The enum Module
    The struct Module
    Threading Modules
    Python SQL Database API
    API Usage Example
    Module Interface
    Connection Objects
    Cursor Objects
    Type Objects and Constructors
    More Hints and Idioms
    Core Language Hints
    Environment Hints
    Usage Hints
    Assorted Hints
    Index
    FIFTH EDITION Python Pocket Reference Mark Lutz
    Python Pocket Reference, Fifth Edition by Mark Lutz Copyright © 2014 Mark Lutz. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebasto‐ pol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (http://my.safaribookson line.com). For more information, contact our corporate/institutional sales de‐ partment: 800-998-9938 or corporate@oreilly.com. Editor: Rachel Roumeliotis Production Editor: Kristen Brown Copyeditor: Richard Carey Proofreader: Amanda Kersey Indexer: Lucie Haskins Cover Designer: Randy Comer Interior Designer: David Futato October 1998: January 2002: February 2005: October 2009: February 2014: Revision History for the Fifth Edition: First Edition Second Edition Third Edition Fourth Edition Fifth Edition 2014-01-17: First release See http://oreilly.com/catalog/errata.csp?isbn=9781449357016 for release de‐ tails. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Python Pocket Reference, the im‐ age of a rock python, and related trade dress are trademarks of O’Reilly Media, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. ISBN: 978-1-449-35701-6 [M]
    Table of Contents Introduction Book Conventions Python Command-Line Usage Python Command Options Command-Line Program Specification Python 2.X Command Options Python Environment Variables Operational Variables Python Command Option Variables Python Windows Launcher Usage Launcher File Directives Launcher Command Lines Launcher Environment Variables Built-in Types and Operators Operators and Precedence Operator Usage Notes Operations by Category Sequence Operation Notes Specific Built-in Types Numbers 1 2 3 4 5 7 7 8 9 10 10 11 11 12 12 14 16 20 21 22 iii
    Strings Unicode Strings Lists Dictionaries Tuples Files Sets Other Types and Conversions Statements and Syntax Syntax Rules Name Rules Specific Statements The Assignment Statement The Expression Statement The print Statement The if Statement The while Statement The for Statement The pass Statement The break Statement The continue Statement The del Statement The def Statement The return Statement The yield Statement The global Statement The nonlocal Statement The import Statement The from Statement The class Statement The try Statement The raise Statement iv | Table of Contents 24 42 46 53 57 58 63 65 67 67 69 71 72 76 77 80 80 80 81 81 81 81 82 86 87 88 89 89 93 95 97 99
    The assert Statement The with Statement Python 2.X Statements Namespace and Scope Rules Qualified Names: Object Namespaces Unqualified Names: Lexical Scopes Nested Scopes and Closures Object-Oriented Programming Classes and Instances Pseudoprivate Attributes New-Style Classes Formal Inheritance Rules Operator Overloading Methods Methods for All Types Methods for Collections (Sequences, Mappings) Methods for Numbers (Binary Operators) Methods for Numbers (Other Operations) Methods for Descriptors Methods for Context Managers Python 2.X Operator Overloading Methods Built-in Functions Python 2.X Built-in Functions Built-in Exceptions Superclasses: Categories Specific Exceptions Specific OSError Exceptions Warning Category Exceptions Warnings Framework Python 3.2 Built-in Exceptions Python 2.X Built-in Exceptions Built-in Attributes Standard Library Modules 101 102 104 105 105 105 107 108 109 110 111 112 117 118 123 125 128 129 130 131 134 155 161 162 163 167 169 170 171 172 172 173 Table of Contents | v
    The sys Module The string Module Functions and Classes Constants The os System Module Administrative Tools Portability Constants Shell Commands Environment Tools File Descriptor Tools File Pathname Tools Process Control The os.path Module The re Pattern-Matching Module Module Functions Regular Expression Objects Match Objects Pattern Syntax Object Persistence Modules The shelve and dbm Modules The pickle Module The tkinter GUI Module and Tools tkinter Example tkinter Core Widgets Common Dialog Calls Additional tkinter Classes and Tools Tcl/Tk-to-Python/tkinter Mappings Internet Modules and Tools Other Standard Library Modules The math Module The time Module The timeit Module vi | Table of Contents 174 182 182 183 184 185 186 187 189 190 193 197 200 202 202 205 205 207 210 211 213 216 216 217 218 219 220 221 224 224 225 226
    The datetime Module The random Module The json Module The subprocess Module The enum Module The struct Module Threading Modules Python SQL Database API API Usage Example Module Interface Connection Objects Cursor Objects Type Objects and Constructors More Hints and Idioms Core Language Hints Environment Hints Usage Hints Assorted Hints Index 227 228 228 229 229 230 231 232 233 234 234 235 236 236 237 238 240 242 243 Table of Contents | vii
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