Pro Python
You?ve learned the basics of Python, but how do you take your skills to the next stage? Even if you know enough to be productive, there are a number of features that can take you to the next level in Python. Pro Python, Second Edition explores concepts and features normally left to experimentation,...
| Main Authors: | , |
|---|---|
| Format: | eBook |
| Language: | English |
| Published: |
[New York]
Apress
2014
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| Edition: | Second edition |
| Series: | The expert's voice in Python
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| Subjects: | |
| Online Access: | |
| Collection: | O'Reilly - Collection details see MPG.ReNa |
Table of Contents:
- Using __all __ to Customize Imports
- Relative Imports
- The __import__() function
- The importlib module
- Taking It With You
- Chapter 3: Functions
- Arguments
- Planning for Flexibility
- Variable Positional Arguments
- Variable Keyword Arguments
- Combining Different Kinds of Arguments
- Invoking Functions with Variable Arguments
- Preloading Arguments
- Introspection
- Example: Identifying Argument Values
- Example: A More Concise Version
- Example: Validating Arguments
- Decorators
- Closures
- Wrappers
- Decorators with Arguments
- Decorators with-or without-Arguments
- Example: Memoization
- Example: A Decorator to Create Decorators
- Function Annotations
- Example: Type Safety
- Factoring Out the Boilerplate
- Example: Type Coercion
- Annotating with Decorators
- Example: Type Safety as a Decorator
- Generators
- Lambdas
- Introspection
- Identifying Object Types
- Modules and Packages
- Docstrings
- Taking It with You
- Chapter 4: Classes
- Inheritance
- Multiple Inheritance
- Method Resolution Order
- Example: C3 Algorithm
- Using super() to Pass Control to Other Classes
- Introspection
- How Classes Are Created
- Creating Classes at Runtime
- Metaclasses
- Example: Plugin Framework
- Controlling the Namespace
- Attributes
- Properties
- Descriptors
- Methods
- Unbound Methods
- Bound Methods
- Class Methods
- Static Methods
- Assigning Functions to Classes and Instances
- Magic Methods
- Creating Instances
- Example: Automatic Subclasses
- Dealing with Attributes
- String Representations
- Taking It With You
- Chapter 5: Common Protocols
- Basic Operations
- Mathematical Operations
- Bitwise Operations
- Variations
- Numbers
- Sign Operations
- Comparison Operations
- Iterables
- Example: Repeatable Generators
- Sequences
- Mappings
- Callables
- Includes bibliographical references and index
- Making Incompatible Changes
- Copyright
- Appendix F: Python 3000
- Abstract
- Naming
- PEP Numbering
- Timeline
- Compatibility and Transition
- Implementation Language
- Meta-Contributions
- Copyright
- Appendix G: Python Language Moratorium
- Abstract
- Rationale
- Details
- Cannot Change
- Case-by-Case Exemptions
- Allowed to Change
- Retroactive
- Extensions
- Copyright
- Index
- At a Glance
- Contents
- About the Authors
- About the Technical Reviewer
- Acknowledgments
- Introduction
- Chapter 1: Principles and Philosophy
- The Zen of Python
- Beautiful Is Better Than Ugly
- Explicit Is Better Than Implicit
- Simple Is Better Than Complex
- Complex Is Better Than Complicated
- Flat Is Better Than Nested
- Sparse Is Better Than Dense
- Readability Counts
- Special Cases Aren't Special Enough to Break the Rules
- Although Practicality Beats Purity
- Errors Should Never Pass Silently
- Unless Explicitly Silenced
- In the Face of Ambiguity, Refuse the Temptation to Guess
- There Should Be One-and Preferably Only One-Obvious Way to Do It
- Although That Way May Not Be Obvious at First Unless You're Dutch
- Now Is Better Than Never
- Although Never Is Often Better Than Right Now
- If the Implementation Is Hard to Explain, It's a Bad Idea
- If the Implementation Is Easy to Explain, It May Be a Good Idea
- Namespaces Are One Honking Great Idea-Let's Do More of Those!
- Don't Repeat Yourself
- Loose Coupling
- The Samurai Principle
- The Pareto Principle
- The Robustness Principle
- Backward Compatibility
- The Road to Python 3.0
- Taking It With You
- Chapter 2: Advanced Basics
- General Concepts
- Iteration
- Caching
- Transparency
- Control Flow
- Catching Exceptions
- Exception Chains
- When Everything Goes Right
- Proceeding Regardless of Exceptions
- Optimizing Loops
- The with Statement
- Conditional Expressions
- Iteration
- Sequence Unpacking
- List Comprehensions
- Generator Expressions
- Set Comprehensions
- Dictionary Comprehensions
- Chaining Iterables Together
- Zipping Iterables Together
- Collections
- Sets
- Named Tuples
- Ordered Dictionaries
- Dictionaries with Defaults
- Importing Code
- Fallback Imports
- Importing from the Future
- Introducing Declarative Programming
- To Build or Not to Build?
- Building the Framework
- Managing Options
- Defining Fields
- Attaching a Field to a Class
- Adding a Metaclass
- Bringing It Together
- Ordering Fields
- DeclarativeMeta.__prepare__()
- Column.__init__()
- Column.__new__()
- CounterMeta.__call__()
- Choosing an Option
- Building a Field Library
- StringField
- IntegerColumn
- FloatColumn
- DecimalColumn
- DateColumn
- Getting Back to CSV
- Checking Arguments
- Populating Values
- The Reader
- The Writer
- Taking It With You
- Appendix A: Style Guide for Python
- Introduction
- A Foolish Consistency Is the Hobgoblin of Little Minds
- Code Layout
- Indentation
- Tabs or Spaces?
- Maximum Line Length
- Blank Lines
- Encodings (PEP 263)
- Imports
- Whitespace in Expressions and Statements
- Pet Peeves
- Other Recommendations
- Comments
- Block Comments
- Inline Comments
- Documentation Strings
- Version Bookkeeping
- Naming Conventions
- Descriptive: Naming Styles
- Prescriptive: Naming Conventions
- Names to Avoid
- Package and Module Names
- Class Names
- Exception Names
- Global Variable Names
- Function Names
- Function and Method Arguments
- Method Names and Instance Variables
- Constants
- Designing for Inheritance
- Programming Recommendations
- Copyright
- Appendix B: Voting Guidelines
- Abstract
- Rationale
- Voting Scores
- Copyright
- Appendix C: The Zen of Python
- Abstract
- The Zen of Python
- Easter Egg
- Copyright
- Appendix D: Docstring Conventions
- Abstract
- Rationale
- Specification
- What Is a Docstring?
- One-Line Docstrings
- Multiline Docstrings
- Handling Docstring Indentation
- Copyright
- Acknowledgments
- Appendix E: Backward Compatibility Policy
- Abstract
- Rationale
- Backward Compatibility Rules
- Context Managers
- Taking It With You
- Chapter 6: Object Management
- Namespace Dictionary
- Example: Borg Pattern
- Example: Self-Caching Properties
- Garbage Collection
- Reference Counting
- Cyclical References
- Weak References
- Pickling
- Copying
- Shallow Copies
- Deep Copies
- Taking It With You
- Chapter 7: Strings
- Bytes
- Simple Conversion: chr() and ord()
- Complex Conversion: The Struct Module
- Text
- Unicode
- Encodings
- Simple Substitution
- Formatting
- Looking Up Values Within Objects
- Distinguishing Types of Strings
- Standard Format Specification
- Example: Plain Text Table of Contents
- Custom Format Specification
- Taking It With You
- Chapter 8: Documentation
- Proper Naming
- Comments
- Docstrings
- Describe What the Function Does
- Explain the Arguments
- Don't Forget the Return Value
- Include Any Expected Exceptions
- Documentation Outside the Code
- Installation and Configuration
- Tutorials
- Reference Documents
- Documentation Utilities
- Formatting
- Links
- Sphinx
- Taking It With You
- Chapter 9: Testing
- Test-Driven Development
- Doctests
- Formatting Code
- Representing Output
- Integrating With Documentation
- Running Tests
- The unittest Module
- Setting Up
- Writing Tests
- Other Comparisons
- Testing Strings and Other Sequence Content
- Testing Exceptions
- Testing Identity
- Tearing Down
- Providing a Custom Test Class
- Changing Test Behavior
- Taking It With You
- Chapter 10: Distribution
- Licensing
- GNU General Public License
- Affero General Public License
- GNU Lesser General Public License
- Berkeley Software Distribution License
- Other Licenses
- Packaging
- setup.py
- MANIFEST.in
- The sdist Command
- Distribution
- Taking It With You
- Chapter 11: Sheets: A CSV Framework
- Building a Declarative Framework