Python 3 Web Development Beginner's Guide Table of Contents

Table of Contents

Preface
Chapter 1: Choosing Your Tools
Chapter 2: Creating a Simple Spreadsheet
Chapter 3: Tasklist I: Persistence
Chapter 4: Tasklist II: Databases and AJAX
Chapter 5: Entities and Relations
Chapter 6: Building a Wiki
Chapter 7: Refactoring Code for Reuse
Chapter 8: Managing Customer Relations
Chapter 9: Creating Full-Fledged Webapps: Implementing Instances
Chapter 10: Customizing the CRM Application
Appendix A: References to Resources
Appendix B: Pop Quiz Answers
Index

• Preface

• Chapter 1: Choosing Your Tools
• Identifying the components of a web application
• Time for action – getting an overview of a web application
• Choosing suitable tools
• Time for action – choosing a delivery framework, also known as web server
• Time for action – choosing a server-side scripting language
• Time for action – choosing a database engine
• Time for action – deciding on object relational mappers
• Time for action – choosing a presentation framework
• Designing for maintainability and usability
• Testing
• Time for action – choosing a test framework
• Version management
• Usability
• Good looking – adhering to common GUI paradigms
• Themable
• Cross-browser compatible
• Cross-platform compatible
• Maintainability
• Standards compliant
• Security
• Reliable
• Robust
• Access control and authentication
• Confidentiality
• Integrity
• A final word on security
• Help, I am confused!
• Time for action – maintaining overview
• Summary

• Chapter 2: Creating a Simple Spreadsheet
• Python 3
• Time for action – installing Python 3 CherryPy
• Time for action – installing CherryPy
• Installing jQuery and jQuery UI
• Serving an application
• Time for action – serving a dummy application
• Time for action – serving HTML as dynamic content
• Who serves what: an overview
• HTML: separating form and content
• Time for action – a unit convertor
• HTML: form-based interaction
• JavaScript: using jQuery UI widgets
• Time for action – conversion using unitconverter.js
• jQuery selectors
• CSS: applying a jQuery UI theme to other elements
• Time for action – converting a unit convertor into a plugin
• JavaScript: creating a jQuery UI plugin
• Designing a spreadsheet application
• Time for action – serving a spreadsheet application
• HTML: keeping it simple
• JavaScript: creating a spreadsheet plugin
• The missing parts
• Summary

• Chapter 3: Tasklist I: Persistence
• Designing a tasklist application
• Time for action – creating a logon screen
• Serving a logon screen
• Setting up a session
• Expiring a session
• Designing a task list
• Time for action – running tasklist.py
• Python: the task module
• Time for action – implementing the task module
• Adding new tasks
• Deleting a task
• JavaScript: tasklist.js
• Time for action – styling the buttons
• JavaScript: tooltip.js
• Time for action – implementing inline labels
• CSS: tasklist.css
• Summary

• Chapter 4: Tasklist II: Databases and AJAX
• The advantages of a database compared to a filesystem
• Choosing a database engine
• Database-driven authentication
• Time for action – authentication using a database
• Tasklist II – storing tasks in a database
• Improving interactivity with AJAX
• Time for action – getting the time with AJAX
• Redesigning the Tasklist application
• Database design
• Time for action – creating the task database
• Time for action – retrieving information with select statements
• TaskDB – interfacing with the database
• Time for action – connecting to the database
• Time for action – storing and retrieving information
• Time for action – updating and deleting information
• Testing
• Time for action – testing factorial.py
• Now what have we gained?
• Time for action – writing unit tests for tasklistdb.py
• Designing for AJAX
• Click handlers
• The application
• Time for action – putting it all together
• Have a go hero – refreshing the itemlist on a regular basis
• Summary

• Chapter 5: Entities and Relations
• Designing a book database
• The Entity class
• Time for action – using the Entity class
• Time for action – creating instances
• The Relation class
• Time for action – using the Relation class
• Relation instances
• Time for action – defining the Books database
• The delivery layer
• Time for action – designing the delivery layer
• Time for action – adding a new book
• Auto completion
• Time for action – using input fields with auto completion
• The presentation layer
• Time for action – using an enhanced presentation layer
• Summary

• Chapter 6: Building a Wiki
• The data layer
• Time for action – designing the wiki data model
• The delivery layer
• Time for action – implementing the opening screen
• The structural components
• The application methods
• Time for action – implementing a wiki topic screen
• Time for action – editing wiki topics
• Additional functionality
• Time for action – selecting an image
• Time for action – implementing a tag cloud
• Time for action – searching for words
• The importance of input validation
• Time for action – scrubbing your content
• Time for action – rendering content
• Summary

• Chapter 7: Refactoring Code for Reuse
• Time for action – taking a critical look
• Refactoring
• Time for action – defining new entities: how it should look
• Metaclasses
• Time for action – using metaclasses
• MetaEntity and AbstractEntity classes
• Time for action – implementing the MetaEntity and AbstractEntity classes
• Relations
• Time for action – defining new relations: how it should look
• Implementing the MetaRelation and AbstractRelation classes
• Adding new methods to existing classes
• Browsing lists of entities
• Time for action – using a table-based Entity browser
• Time for action – examining the HTML markup
• Caching
• The books application revisited
• Time for action – creating a books application, take two
• Summary

• Chapter 8: Managing Customer Relations
• A critical review
• Designing a Customer Relationship Management application
• Time for action – implementing a basic CRM
• Adding and editing values
• Time for action – adding an instance
• Time for action – editing an instance
• Adding relations
• Picklists
• Time for action – implementing picklists
• Summary

• Chapter 9: Creating Full-Fledged Webapps: Implementing Instances
• Even more relations
• Time for action – showing one-to-many relationships
• Time for action – adapting MetaRelation
• Time for action – enhancing Display
• Time for action – enhancing Browse
• Access control
• Time for action – implementing access control
• Role-based access control
• Time for action – implementing role-based access control
• Summary

• Chapter 10: Customizing the CRM Application
• Time for action – sorting
• Time for action – filtering
• Customization
• Time for action – customizing entity displays
• Time for action – customizing entity lists
• Time for action – adding a delete button
• Summary

• Appendix A: References to Resources
• Good old offline reference books
• Additional websites, wikis, and blogs

• Appendix B: Pop Quiz Answers
• Chapter 2, Creating a Simple Spreadsheet
• Chapter 3, Tasklist I: Persistence
• Chapter 4, Tasklist II: Databases and AJAX
• Chapter 5, Entities and Relations
• Chapter 6, Building a Wiki

• Index