~ntt-pf-lab/nova/monkey_patch_notification

« back to all changes in this revision

Viewing changes to vendor/Twisted-10.0.0/twisted/web/rewrite.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
initial commit

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
 
2
# See LICENSE for details.
 
3
 
 
4
#
 
5
from twisted.web import resource
 
6
 
 
7
class RewriterResource(resource.Resource):
 
8
 
 
9
    def __init__(self, orig, *rewriteRules):
 
10
        resource.Resource.__init__(self)
 
11
        self.resource = orig
 
12
        self.rewriteRules = list(rewriteRules)
 
13
 
 
14
    def _rewrite(self, request):
 
15
        for rewriteRule in self.rewriteRules:
 
16
            rewriteRule(request)
 
17
 
 
18
    def getChild(self, path, request):
 
19
        request.postpath.insert(0, path)
 
20
        request.prepath.pop()
 
21
        self._rewrite(request)
 
22
        path = request.postpath.pop(0)
 
23
        request.prepath.append(path)
 
24
        return self.resource.getChildWithDefault(path, request)
 
25
 
 
26
    def render(self, request):
 
27
        self._rewrite(request)
 
28
        return self.resource.render(request)
 
29
 
 
30
 
 
31
def tildeToUsers(request):
 
32
    if request.postpath and request.postpath[0][:1]=='~':
 
33
        request.postpath[:1] = ['users', request.postpath[0][1:]]
 
34
        request.path = '/'+'/'.join(request.prepath+request.postpath)
 
35
 
 
36
def alias(aliasPath, sourcePath):
 
37
    """
 
38
    I am not a very good aliaser. But I'm the best I can be. If I'm
 
39
    aliasing to a Resource that generates links, and it uses any parts
 
40
    of request.prepath to do so, the links will not be relative to the
 
41
    aliased path, but rather to the aliased-to path. That I can't
 
42
    alias static.File directory listings that nicely. However, I can
 
43
    still be useful, as many resources will play nice.
 
44
    """
 
45
    sourcePath = sourcePath.split('/')
 
46
    aliasPath = aliasPath.split('/')
 
47
    def rewriter(request):
 
48
        if request.postpath[:len(aliasPath)] == aliasPath:
 
49
            after = request.postpath[len(aliasPath):]
 
50
            request.postpath = sourcePath + after
 
51
            request.path = '/'+'/'.join(request.prepath+request.postpath)
 
52
    return rewriter