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Deliverance transforms HTML to theme pages

Project description

Deliverance does transformations of HTML to ‘theme’ pages, similar in function to XSLT but using a simpler XML-based language to express the transformation.

New in this release:

  • Added a response-status matcher, for matching against the status code of the response. Use like <match response-status=”404” class=”notfounds” /> (esanchez)

  • Added a ReverseMatcher, which allows you to prefix a match statement with not: to reverse the result. Use like <match path=”not:/bad-path” /> (esanchez)

  • Added a boolean collapse-sources attribute on TransformActions (append, prepend, replace) which can signal that elements moved from the content to the theme should be “fully collapsed” into the theme immediately, allowing subsequent actions to act on those elements within the theme.

  • Added support for mounting WSGI applications directly in the proxy, as an alternative to HTTP proxy endpoints.

  • Fixed error when trying to move or copy HTML comment nodes (#69)

  • Fixed error in deliverance-proxy when proxying HEAD requests (#66)

  • Factored out method DeliveranceMiddleware.default_theme(self, environ) so that subclasses can implement custom logic for calculating the global default theme per request based on the WSGI environment and the value of self._default_theme which is set by the theme_uri parameter in the paste.deploy configuration.

    The default implementation returns the raw string self._default_theme directly.

  • Factored out method DeliveranceMiddleware.build_external_subrequest which is called when Deliverance is getting a resource via an external subrequest (as opposed to a file:// URL or an internal subrequest to the application being wrapped by Deliverance)

    The method returns a webob.Request object; the default implementation returns a blank Request with only the header x-deliverance-theme-subrequest set. Subclasses can override this behavior, e.g. to preserve certain headers from the original request into subrequests.

  • Factored out method DeliveranceMiddleware.notheme_request(self, request) so that subclasses can customize the logic to determine which requests should never be themed by Deliverance.

    The default implementation checks for “deliv_notheme” in the querystring.

  • Moved tests from test_middleware.txt to test_middleware.py, and converted to WebTest, to improve clarity of tests and ease of adding new tests.

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