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A server for the Deliverance/XSLT compiler

Project description

XDV has been renamed to Diazo. Equivalent WSGI middleware is part of the Diazo package. Visit the Diazo website or the Diazo PyPI page for further information.


dv.xdvserver is a simple piece of WSGI middleware that can execute the two step compile-and-run XSLT transforms of xdv.

It takes two required parameters:

  • rules: a path to a file containing Deliverance rules
  • theme: a URI or path to a theme HTML file

In addition, it can take several optional parameters:

  • absolute_prefix: if given, relative urls in the theme file will be made
    into absolute links with this prefix.
  • notheme: a set of regular expression patterns (or just simple names) that
    will be matched against the incoming path to allow the theme to be switched off for some paths. Multiple patterns should be separated by newlines.
  • live: set to True to recompile the theme on each request, rather than on
    startup only.
  • compiler: a path to the XSLT file that can turn theme+rules into a compiled
    theme. The default, bundled version will probably suffice in most cases.
  • boilerplate: a path to the XSLT file that contains boilerplate XSLT
    instructions. The default, bundled version will probably suffice in most cases.


You can use this middleware in a Paste Deploy pipeline. Here is an example configuration file of an application that themes a Plone site running on http://localhost:8080/demo. Static resources are served from /static:

use = egg:Paste#http
host =
port = 5000

use = egg:Paste#urlmap
/static = static
/ = default

use = egg:Paste#static
document_root = %(here)s/static

pipeline = egg:Paste#cgitb

use = egg:dv.xdvserver#xdv
theme = %(here)s/static/index.html
rules = %(here)s/static/rules/default.xml
notheme =

use = egg:Paste#proxy
address = http://localhost:8080/VirtualHostBase/http/localhost:5000/demo/VirtualHostRoot/


1.0b8 - 2010-08-22

  • use lxml.html.tostring instead of lxml.tostring for output to avoid empty tags like <script/>, which confuses browsers [tomster]

1.0b7 - 2010-08-19

  • Use lxml for web resolving. [elro]
  • Remove (this is now in xdv) [elro]
  • Apply patch from Lukas Zdych to fix absolute prefix. [optilude]
  • Added through the web resolving of the rules file. [Marshall Scorcio]

1.0b6 - 2009-10-27

  • Updated xdv compiler [lrowe]

1.0b5 - 2009-10-12

  • Re-licensed to the BSD license. [optilude]
  • Added support for the extrauri parameter. [Matous Hora]

1.0b4 - 2009-03-30

  • Renamed the ‘theme_uri’ parameter to just ‘theme’, since it also allows filenames. [optilude]
  • Added support for declaring some unthemed URLs via the ‘notheme’ option, based on pattern patching. [optilude]
  • Fixed various Windows related bugs. [optilude]

1.0b3 - 2009-03-26

  • We now allow local file paths as the theme uri, and let compiler.xsl pick its own boilerplate.xsl by default if none is given. [optilude]

1.0b2 - 2009-02-25

  • Added console script for compiling the theme offline [optilude]

1.0b1 - 2009-02-24

  • Initial release

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