1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
#
from twisted.web import resource
class RewriterResource(resource.Resource):
def __init__(self, orig, *rewriteRules):
resource.Resource.__init__(self)
self.resource = orig
self.rewriteRules = list(rewriteRules)
def _rewrite(self, request):
for rewriteRule in self.rewriteRules:
rewriteRule(request)
def getChild(self, path, request):
request.postpath.insert(0, path)
request.prepath.pop()
self._rewrite(request)
path = request.postpath.pop(0)
request.prepath.append(path)
return self.resource.getChildWithDefault(path, request)
def render(self, request):
self._rewrite(request)
return self.resource.render(request)
def tildeToUsers(request):
if request.postpath and request.postpath[0][:1] == "~":
request.postpath[:1] = ["users", request.postpath[0][1:]]
request.path = "/" + "/".join(request.prepath + request.postpath)
def alias(aliasPath, sourcePath):
"""
I am not a very good aliaser. But I'm the best I can be. If I'm
aliasing to a Resource that generates links, and it uses any parts
of request.prepath to do so, the links will not be relative to the
aliased path, but rather to the aliased-to path. That I can't
alias static.File directory listings that nicely. However, I can
still be useful, as many resources will play nice.
"""
sourcePath = sourcePath.split("/")
aliasPath = aliasPath.split("/")
def rewriter(request):
if request.postpath[: len(aliasPath)] == aliasPath:
after = request.postpath[len(aliasPath) :]
request.postpath = sourcePath + after
request.path = "/" + "/".join(request.prepath + request.postpath)
return rewriter
|
