Pro Python best practices : debugging, testing and maintenance /: debugging, testing and maintenance. (2017)

• Record Type: Book
• Further Information: Note: Kristian Rother.
• Authors: Rother, Kristian
• Contents: At a Glance; Contents; About the Author; About the Technical Reviewer; Acknowledgments; Preface; Chapter 1: Introduction; A Lesson in Humility; The Case for Best Practices in Python; The Origin of Best Practices; Hacking; Software Engineering; Agile; Software Craftsmanship; Who This Book Is For; What This Book Is About; Part 1: Debugging; Part 2: Automated Testing; Part 3: Maintenance; Further Benefits; The MazeRun Game; How to Use This Book?; Install Python 3; Install the Pygame Library; Install a Text Editor; Download the Source Code Examples; Part I: Debugging. Chapter 2: Exceptions in PythonExceptions Are Defects We Know About; Reading the Code; SyntaxError; Best Practices for Debugging SyntaxErrors; Examining the Error Message; The Error Type; The Error Description; The Traceback; Deduction; Catching Exceptions; Best Practices for Debugging IOErrors; Errors and Defects; Where Do Defects Come From?; The Correct Code; Best Practices; Chapter 3: Semantic Errors in Python; Comparing Expected and Factual Output; Defects; Defects in Variable Assignments; Multiple Initialization; Accidental Assignment; Accidental Comparison. Wrong Variables in an ExpressionSwapped Literals in Expression; Defects in Indexing; Creating Wrong Indices; Using Wrong Indices; Defects in Control Flow Statements; Defects in Boolean Expressions; Defects with Indentation; Defects in Using Functions; Omitting a Function Call; Missing Return Statement; Not Storing the Return Value; Error Propagation; Best Practices; Chapter 4: Debugging with the Scientific Method; Applying the Scientific Method; Reproducing the Error; Automating the Error; Isolating the Defect; The Strip-Down Strategy; The Binary Search Strategy; Getting Help; Taking a Break. Explain the Problem to Someone ElsePair Programming; Code Reviews; Reading; Cleaning Up; The Scientific Method and Other Best Practices; Best Practices; Chapter 5: Debugging with print Statements; Diagnose Whether Code Was Executed; Print the Content of Variables; Pretty-Printing Data Structures; Simplify Input Data; Start with Minimal Input; Gradually Add More Input Data; Switching print Output On and Off; Complete Code; Pros and Cons of Using print Statements; Best Practices; Chapter 6: Debugging with Introspection Functions; Explorative Coding in IPython; Exploring Files and Directories. Overview of IPython CommandsExploring Namespaces; Exploring Namespaces with dir(); Exploring Namespaces of Objects; Exploring Attributes in a Python Program; Alternatives to dir in IPython; Namespace Mechanics; Python Uses Namespaces for Its Own Functions; Modifying a Namespace; Namespaces and Local Scope; Namespaces Are a Core Feature of Python; Using Self-Documenting Objects; Accessing Docstrings with help(); Object Summaries in IPython; Analyzing Object Types; Checking Object Identity; Checking Instances and Subclasses; Practical Use of Introspection; Finding Typos with Introspection.
• Publisher Details: United States : Apress
• Publication Date: 2017
• Copyright Date: 2017
• Extent: 1 online resource (xxvii, 264 pages), illustrations (some color)
• Subjects: 005.13/3; 004; Computer science; Python (Computer program language); Debugging in computer science; COMPUTERS -- Programming Languages -- Python; Debugging in computer science; Python (Computer program language); Computers -- Programming -- General; Computers -- Programming Languages -- General; Computer programming / software development; Programming & scripting languages: general; Python (Computer program language); Electronic books
• Languages: English
• ISBNs: 9781484222416; 1484222415
• Related ISBNs: 9781484222409; 1484222407
• Notes: Note: Online resource; title from PDF title page (SpringerLink, viewed March 29, 2017).
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.