Python Pocket Reference by Lutz, Mark -- Read -- Imperial Library of Trantor

Index

Python Pocket Reference SPECIAL OFFER: Upgrade this ebook with O’Reilly 1. Python Pocket Reference

Introduction Conventions Using Code Examples Safari® Books Online Command-Line Options

Python Options Program Specification

Environment Variables

Operational Variables Command-Line Option Variables

Built-in Types and Operators

Operators and Precedence Operator Usage Notes Operations by Category Sequence Operation Notes

Indexing: S[i] Slicing: S[i:j] Slicing: S[i:j:k] Other

Specific Built-in Types

Numbers

Literals and creation Operations Decimal and fraction Other numeric types

Strings

Literals and creation Operations String formatting String formatting expression String formatting method Template string substitution String methods byte and bytearray methods Searching Splitting and joining Formatting Content tests The original string module

Unicode Strings

Unicode support in Python 3.0 byte and bytearray strings Unicode support in Python 2.X

Lists

Literals and creation Operations List comprehension expressions Generator expressions Other generators and comprehensions

Dictionaries

Literals and creation Operations

Tuples

Literals Operations

Files

Input files Output files Any files Attributes (all read-only) File context managers Notes

Sets

Literals and creation Operations

Other Common Types

Boolean

Type Conversions

Statements and Syntax

Syntax Rules Name Rules

Name format Name conventions

Specific Statements

The Assignment Statement

Augmented assignment Normal and extended sequence assignment

The Expression Statement

Call syntax Arbitrary arguments call syntax

The print Statement

Python 2.X print statements

The if Statement The while Statement The for Statement The pass Statement The break Statement The continue Statement The del Statement The def Statement

Python 3.0 keyword-only arguments Python 3.0 function annotations lambda expressions Defaults and attributes Function and method decorators

The return Statement The yield Statement

Generators and iterators

The global Statement The nonlocal Statement The import Statement

Package imports

The from Statement

Package relative import syntax

The class Statement

Class decorators in Python 2.6 and 3.0 Metaclasses

The try Statement

Python 2.X try statement forms

The raise Statement

Class exceptions Python 2.X raise statement forms

The assert Statement The with Statement

Multiple context managers in Python 3.1

Python 2.X Statements

Namespace and Scope Rules

Qualified Names: Object Namespaces Unqualified Names: Lexical Scopes Statically Nested Scopes

Object-Oriented Programming

Classes and Instances

Class objects provide default behavior Instance objects are generated from classes Inheritance rules

Pseudoprivate Attributes

Module privates Class privates

New Style Classes

Operator Overloading Methods

For All Types For Collections (Sequences, Mappings) For Numbers (Binary Operators)

Basic binary methods Right-side binary methods Augmented binary methods

For Numbers (Other Operations) For Descriptors For Context Managers Python 2.X Operator Overloading Methods

Methods in Python 3.0 only Methods in Python 2.X only

Built-in Functions

Python 2.X Built-in Functions

Python 3.0 built-ins not supported by Python 2.6 Python 2.6 built-ins not supported by Python 3.0

Built-in Exceptions

Superclasses (Categories) Specific Exceptions Raised Warning Category Exceptions Warnings Framework Python 2.X Built-in Exceptions

Built-in Attributes Standard Library Modules The sys Module The string Module

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

dbm and shelve Modules pickle Module

Pickling interfaces Unpickling interfaces Usage notes

The tkinter GUI Module and Tools

tkinter Example tkinter Core Widgets Common Dialog Calls

Module tkinter.messagebox (tkMessageBox in Python 2.X) Module tkinter.simpledialog (tkSimpleDialog in Python 2.X) Module tkinter.colorchooser (tkColorChooser in Python 2.X) Module tkinter.filedialog (tkFileDialog in Python 2.X)

Additional tkinter Classes and Tools Tcl/Tk-to-Python/tkinter Mappings

Internet Modules and Tools

Commonly Used Library Modules

Other Standard Library Modules

The math Module The time Module The datetime Module Threading Modules Binary Data Parsing

Python Portable SQL Database API

API Usage Example Module Interface Connection Objects Cursor Objects Type Objects and Constructors

Python Idioms and Hints

Core Language Hints Environment Hints Usage Hints Assorted Hints

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