Table of Contents

Zope Document Template Markup Language User's Guide 1

• Contents v
• List of Tables vii
• Introduction 9
• General Information 11
• DTML Tag Syntax 11
• Alternate Python String Format Syntax 13
• Common Tag Attributes 15

The name attribute 15

The expr attribute 15

Expression syntax 15

Variable lookup 16

The special namespace variable, _ 16

• Access Control 21
• Name Lookup 21
• Using Document Templates from Python 27

Creating document templates 27

Using document templates 28

Using document templates with ZPublisher 28

• The var Tag 29
• Custom, Special, C, and Empty Formats 29
• Null Values 30
• Truncation 31
• A var Tag Example, the Default Document Source 31
• Conditional Insertion, the if and unless Tags 32
• Iterative Insertion, the in Tag 33
• The else Tag as an Intermediate Tag in the in Tag 33
• Variables Defined by the in Tag 35
• Summary Statistics 37
• Grouping Variables 37
• Batch Processing 37

Orphan rows 39

Overlapping batches 41

Showing row number and row data in previous and next batch hyperlinks. 41

Showing information about multiple batches 41

• Displaying Objects with the with Tag 43
• Using the only Attribute to Limit the Namespace 43
• Multiple assignments with the let Tag 44
• Evaluating Names or Expressions without Generating Text Using the call Tag 45
• Reporting Errors with the raise Tag 46
• Exception Handling with the try Tag 47
• Excluding Source Text with the comment Tag 48
• Displaying Information Hierarchically: the tree tag 49
• Sending Mail: the sendmail tag 53
• Sending Attachments with the mime Tag 55
• Appendix A, Date-time data 56
• INDEX 59

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