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Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

Project description

lxml is a Pythonic, mature binding for the libxml2 and libxslt libraries. It provides safe and convenient access to these libraries using the ElementTree API.

It extends the ElementTree API significantly to offer support for XPath, RelaxNG, XML Schema, XSLT, C14N and much more.

To contact the project, go to the project home page or see our bug tracker at

In case you want to use the current in-development version of lxml, you can get it from the subversion repository at . Running easy_install lxml==dev will install it from

After an official release of a new stable series, current bug fixes become available at . Running easy_install lxml==2.0bugfix will install this version from

2.0.1 (2008-02-13)

Features added

  • Child iteration in lxml.pyclasslookup.

  • Loads of new docstrings reflect the signature of functions and methods to make them visible in API docs and help()

Bugs fixed

  • The module lxml.html.builder was duplicated as lxml.htmlbuilder

  • Form elements would return None for form.fields.keys() if there was an unnamed input field. Now unnamed input fields are completely ignored.

  • Setting an element slice in objectify could insert slice-overlapping elements at the wrong position.

Other changes

  • The generated API documentation was cleaned up and disburdened from non-public classes etc.

  • The previously public module lxml.html.setmixin was renamed to lxml.html._setmixin as it is not an official part of lxml. If you want to use it, feel free to copy it over to your own source base.

  • Passing --with-xslt-config=/path/to/xslt-config to will override the xslt-config script that is used to determine the C compiler options.

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