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XML-based template compiler.

Project description

Overview

Chameleon compiles templates to Python byte-code. It includes a complete implementation of the Zope Page Templates (ZPT) language.

The engine itself performs 10-15 times better than the reference implementation and real-world benchmarks show an overall performance improvement in complex applications of 30-50%.

Compatibility

Works on Python 2.4, 2.5 and 2.6, including Google App Engine.

Development

The code is maintained in a subversion repository:

svn://svn.repoze.org/svn/chameleon/trunk

If you want to contribute or need support, join #repoze on freenode irc or write the mailinglist.

Changes

1.1.2 (released 2010-02-24)

  • Avoid printing document header strings (XML header and DOCTYPE) twice; this would previously happen if a template would define these and use a macro on the top level which also provided them.

  • The repeat variable attributes (odd, even etc.) are now callable strings, e.g. legacy users may still call these attributes, but it is no longer required.

  • The odd and even attributes now return the English strings "odd" and "even" in place of True and the empty string "" instead of False.

1.1.1 (released 2010-01-26)

  • Python 2.5 compatibility fixes (symptom: TypeError: default __new__ takes no parameters with the statement generating the error something like ast.Name("econtext", ast.Load())).

1.1 (released 2010-01-26)

  • Made all tests compatible with Python 2.4.

  • Use the 2.5 AST for code transformation for compatibility with Google App Engine. The AST utilities required were copied from Genshi (license document included).

1.0.8 (released 2010-01-12)

1.0.7 (released 2010-01-07)

  • Fixed encoding issue of translated attributes. [kobold]

  • Fixed translation issue, that would prevent translation of tag contents with both named and unnamed subtags. [kobold]

  • Fixed issue where messages could contain a double space. [kobold]

1.0.6 (released 2009-12-14)

  • Fixed white space issue.

  • Fixed character encoding issue.

  • Fixed issue where macro extension would fail.

1.0.5 (released 2009-12-08)

  • Fixed issue where the translation compiler would break on messages that contained the formatting character ‘%’.

  • Fixed white space issue.

1.0.4 (released 2009-11-15)

  • Fixed issue where the file-based template constructor did not accept the encoding parameter.

  • Use more caution when falling back to dictionary lookup.

1.0.3 (released 2009-11-12)

  • Fixed issue where traceback would contain erroneous debugging information. The source code is now taken directly from the traceback object.

  • Include Python expression in syntax error exception message.

1.0.2 (released 2009-11-10)

  • Really fixed ZCA import fallbacks.

1.0.1 (released 2009-11-04)

  • Fixed ZCA import fallbacks.

1.0 (released 2009-11-01)

Features:

  • HTML5 doctype is now supported.

Project details


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