An implementation of the TAL template language.
Project description
Overview
--------
The z3c.pt package provides an alternative implementation of the TAL
template language.
In a nutshell:
- Templates are bytecode-compiled
- Only Python-expressions are supported
- Depends only on lxml
The METAL macro language is not supported; i18n is on the to-do.
Template and expression language
--------------------------------
The template and expression language is based loosely on the TAL 1.4
specification*. Some notable changes:
1. Only Python-expressions are allowed. Expressions can have
try-except fallbacks using the vertical bar syntax:
tal:content="<expression> | <first fallback> | <second fallback> | ..."
2. Tuples are allowed in the tal:define statement:
tal:define="(a, b, c) [1, 2, 3]"
3. Generators are allowed in tal:repeat statements. Note that the
repeat variable is not available in this case.
tal:repeat="i <some generator>"
4. Attribute-access to dictionary entries is allowed, e.g.
dictionary.key
can be used instead of ``dictionary['key']``.
*) http://wiki.zope.org/ZPT/TALSpecification14
--------
The z3c.pt package provides an alternative implementation of the TAL
template language.
In a nutshell:
- Templates are bytecode-compiled
- Only Python-expressions are supported
- Depends only on lxml
The METAL macro language is not supported; i18n is on the to-do.
Template and expression language
--------------------------------
The template and expression language is based loosely on the TAL 1.4
specification*. Some notable changes:
1. Only Python-expressions are allowed. Expressions can have
try-except fallbacks using the vertical bar syntax:
tal:content="<expression> | <first fallback> | <second fallback> | ..."
2. Tuples are allowed in the tal:define statement:
tal:define="(a, b, c) [1, 2, 3]"
3. Generators are allowed in tal:repeat statements. Note that the
repeat variable is not available in this case.
tal:repeat="i <some generator>"
4. Attribute-access to dictionary entries is allowed, e.g.
dictionary.key
can be used instead of ``dictionary['key']``.
*) http://wiki.zope.org/ZPT/TALSpecification14
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