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comparison plugins/cherrypy/_cputil.py @ 0:4385a7d0efd1 grumpy-goblin

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Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
author sirebral
date Tue, 14 Jul 2009 16:41:58 -0500
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-1:000000000000 0:4385a7d0efd1
1 """
2 Copyright (c) 2004, CherryPy Team (team@cherrypy.org)
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without modification,
6 are permitted provided that the following conditions are met:
7
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright notice,
11 this list of conditions and the following disclaimer in the documentation
12 and/or other materials provided with the distribution.
13 * Neither the name of the CherryPy Team nor the names of its contributors
14 may be used to endorse or promote products derived from this software
15 without specific prior written permission.
16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
18 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
21 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 """
28
29
30 """
31 A module containing a few utility classes/functions used by CherryPy
32 """
33
34 import time, thread, cpg, _cpdefaults, cperror
35
36 try: import zlib
37 except ImportError: pass
38
39 class EmptyClass:
40 """ An empty class """
41 pass
42
43 def getSpecialFunction(name):
44 """ Return the special function """
45
46 # First, we look in the right-most object if this special function is implemented.
47 # If not, then we try the previous object and so on until we reach cpg.root
48 # If it's still not there, we use the implementation from the
49 # "_cpdefaults.py" module
50
51
52 moduleList = [_cpdefaults]
53 root = getattr(cpg, 'root', None)
54 if root:
55 moduleList.append(root)
56 # Try object path
57 try:
58 path = cpg.request.objectPath or cpg.request.path
59 except:
60 path = '/'
61 if path:
62 pathList = path.split('/')[1:]
63
64 obj = cpg.root
65 previousObj = None
66 # Successively get objects from the path
67 for newObj in pathList:
68 previousObj = obj
69 try:
70 obj = getattr(obj, newObj)
71 moduleList.append(obj)
72 except AttributeError:
73 break
74
75 moduleList.reverse()
76 for module in moduleList:
77 func = getattr(module, name, None)
78 if func != None:
79 return func
80
81 raise cperror.InternalError, "Special function %s could not be found" % repr(name)
82