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