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  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2007-01-17 14:52:35 UTC
  • mfrom: (1.1.5 upstream) (2.1.2 etch)
  • Revision ID: james.westby@ubuntu.com-20070117145235-btmig6qfmqfen0om
Tags: 2.5.0-0ubuntu1
New upstream version, compatible with python2.5.

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twisted/web/rewrite.py
 
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# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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#
 
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from twisted.web import resource
 
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class RewriterResource(resource.Resource):
 
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    def __init__(self, orig, *rewriteRules):
 
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        resource.Resource.__init__(self)
 
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        self.resource = orig
 
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        self.rewriteRules = list(rewriteRules)
 
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    def _rewrite(self, request):
 
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        for rewriteRule in self.rewriteRules:
 
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            rewriteRule(request)
 
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    def getChild(self, path, request):
 
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        request.postpath.insert(0, path)
 
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        request.prepath.pop()
 
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        self._rewrite(request)
 
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        path = request.postpath.pop(0)
 
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        request.prepath.append(path)
 
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        return self.resource.getChildWithDefault(path, request)
 
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    def render(self, request):
 
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        self._rewrite(request)
 
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        return self.resource.render(request)
 
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def tildeToUsers(request):
 
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    if request.postpath and request.postpath[0][:1]=='~':
 
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        request.postpath[:1] = ['users', request.postpath[0][1:]]
 
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        request.path = '/'+'/'.join(request.prepath+request.postpath)
 
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def alias(aliasPath, sourcePath):
 
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    """
 
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    I am not a very good aliaser. But I'm the best I can be. If I'm
 
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    aliasing to a Resource that generates links, and it uses any parts
 
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    of request.prepath to do so, the links will not be relative to the
 
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    aliased path, but rather to the aliased-to path. That I can't
 
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    alias static.File directory listings that nicely. However, I can
 
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    still be useful, as many resources will play nice.
 
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    """
 
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    sourcePath = sourcePath.split('/')
 
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    aliasPath = aliasPath.split('/')
 
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    def rewriter(request):
 
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        if request.postpath[:len(aliasPath)] == aliasPath:
 
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            after = request.postpath[len(aliasPath):]
 
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            request.postpath = sourcePath + after
 
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            request.path = '/'+'/'.join(request.prepath+request.postpath)
 
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    return rewriter