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2: Getting Started with Grok in Software Creation barcode standards 128 in Software 2: Getting Started with Grok

2: Getting Started with Grok using barcode implementation for software control to generate, create uss code 128 image in software applications. iPhone Table of Contents 3: Views Virtualenv Installing Grok Software Code128 using grokproject Creating our first project Running the default application What"s inside a Grok project Overview of the application structure Creating our first template The Grok admin UI Applications Server control Documentation Summary Grok views Zope Page Templates (ZPT) The Template Attribute Language (TAL) Expression types Inserting text Repeating tags Conditional elements Variables Special variables Modifying HTML tag attributes Inserting structure Multiple statements in one tag Macros and slots Going beyond ZPT basics The to-do list application Handling form data Adding static resources Putting in some JavaScript flourish Summary Models and applications Storing model data The ZODB Changing the title dynamically The rules of persistence Display logic and application logic Separating display and application logic. [ ii ]. 31 33 33 34 35 36 36 38 40 code128b for None 40 40 41 42 45 45 47 52 56 59 61 62 62 63 64 65 66. 21 22 23 23 26 26 27 28 28 29 30 30. 4: Models Table of Contents 5: Forms Using containers and multip le models Adding containers to our application Adding behavior to the models The TodoList model Reorganizing the views Introducing class annotations Setting view names explicitly Redirecting views The Grok introspector Summary A quick demonstration of automatic forms Interfaces Example of an interface Interfaces in Grok Schemas Available schema attributes and field types Form fields and widgets Form components Adding a project container at the root of the site Form actions Trying out the application Filtering fields Using grok.EditForm Modifying individual form fields Form validation Customizing the form template Summary. 80 81 81 82 83 83 86 86 86 Code 128 Code Set B for None 89 89 90 91 92 93 94 95. 67 67 68 69 70 71 71 72 77 78. 6: The Catalog: An Object-Oriented Search Engine Catalogs and indexes Adding a simple search function to the application Defining a simple index Creating the search view Creating a template to display the search results A brief diversion: Structuring our application for search Back to search: Using multiple indexes Indexing different kinds of objects The catalog admin UI Types of indexes Summary. [ iii ]. 97 98 98 99 100 102 108 110 112 113 115. Table of Contents 7: Security Authentication and authoriz Software Code 128C ation Principals, permissions, and roles Security policies Default Grok security policy definition Modifying the security policy. Modifying the default view permissions Adding a new user Protecting a view 118 118 119 119 121. Setting up a custom securit y policy Creating permissions Roles Adding authentication The Pluggable Authentication Utility Registering PAU with our application Adding a credentials plugin The UserAuthenticator plugin Summary. Adding users Basic user management The login form The logout view 123 123 124 125 125 125 127 130. 121 122 122. 127 129 133 134. 8: Application Presentation and Page Layout Viewlets and viewlet manage rs Viewlets Viewlet managers Understanding how the pieces fit together View methods and attributes Viewlet methods and attributes Viewlet manager methods and attributes To-do list manager layout Defining viewlet managers in application code Registering viewlets Modifying existing views to use the master template Inserting forms into viewlets Using viewlets to insert different static resources Layers and skins Skins in Grok Adding themes to our application Overriding a viewlet Using the new skins Summary. [ iv ]. 139 140 140 141 142 143 144 144 145 146 149 151 153 153 154 154 155 156 157. Table of Contents 9: Grok and the ZODB How the ZODB works Transpar Software Code 128 Code Set C ency ACID properties Other ZODB features ZEO Using the ZODB The rules of persistence Traversal How Grok uses the ZODB Adding Blob support to our application Adding messages to projects. The megrok.form package Add ing an external package to our project How blob support is configured in Grok The messaging class and schema The message viewlet The message list template Downloading an attachment Testing the Blob support. 159 160 160 161 162 162 163 Software code-128c 163 163 164 164. 10: Grok and Relational Databases Object Relational Mappers SQLAlchemy Including SQLAlchemy in our Grok project Using SQLAlchemy Taking advantage of transac Software barcode standards 128 tions Using zope.app.undo Testing the undo functionality ZODB maintenance File storage Automatic packing Backing up Using the ZODB without Grok Summary.

180 180 181 185 188 190 191 191 193 194. 171 172 172 173 173 174 175 Software Code-128 176 178. 165 165 166 166 168 169 170 171. Using a relational database Software Code 128B for authentication Handling database transactions securely Creating database-backed models and containers The megrok.rdb package Making an application database backed When to use the ZODB versus a relational database Summary.
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