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 https://launchpad.net/lxml

In case you want to use the current in-development version of lxml, you can get it from the subversion repository at http://codespeak.net/svn/lxml/trunk . Running easy_install lxml==dev will install it from http://codespeak.net/svn/lxml/trunk#egg=lxml-dev

## 2.1beta2 (2008-05-02)

• All parse functions in lxml.html take a parser keyword argument.

• lxml.html has a new parser class XHTMLParser and a module attribute xhtml_parser that provide XML parsers that are pre-configured for the lxml.html package.

### Bugs fixed

• Moving a subtree from a document created in one thread into a document of another thread could crash when the rest of the source document is deleted while the subtree is still in use.

• Passing an nsmap when creating an Element will no longer strip redundantly defined namespace URIs. This prevented the definition of more than one prefix for a namespace on the same Element.

### Other changes

• If the default namespace is redundantly defined with a prefix on the same Element, the prefix will now be preferred for subelements and attributes. This allows users to work around a problem in libxml2 where attributes from the default namespace could serialise without a prefix even when they appear on an Element with a different namespace (i.e. they would end up in the wrong namespace).

## Project details

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