Mercurial > traipse_dev
annotate plugins/cherrypy/lib/aspect.py @ 64:5a3f8d9181eb ornery-dev
Traipse Dev 'OpenRPG' {090817-01}
Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc''s main goal is to offer more advanced features and enhance the productivity of the user.
Update Summary:
Added a more aesthetically pleasing border to the die images.
author | sirebral |
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date | Mon, 17 Aug 2009 04:49:17 -0500 |
parents | 4385a7d0efd1 |
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0
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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 # return codes for _before and _after aspect methods |
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30 STOP = 0 |
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31 CONTINUE = 1 |
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32 |
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33 class Aspect(object): |
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34 """ |
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35 Base class for aspects. Derive new aspect classes from this, then |
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36 override one or both of _before and _after. |
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37 """ |
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38 |
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39 def __getattribute__(self, methodName): |
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40 |
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41 # find method specified by methodName |
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42 try: |
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43 method = object.__getattribute__(self, methodName) |
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44 except: |
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45 raise |
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46 |
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47 # if requested attribute is not a method, simply return it |
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48 if not callable(method): |
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49 return method |
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50 |
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51 # define wrapper function |
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52 def _wrapper(*k, **kw): |
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53 # call _before method |
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54 status, value = object.__getattribute__(self, '_before')(methodName, method) |
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55 if status == STOP: |
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56 return value |
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57 |
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58 # call wrapped method and append results |
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59 result = method(*k, **kw) |
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60 if value: |
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61 result = value + result |
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62 |
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63 # call _after method |
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64 status, value = object.__getattribute__(self, '_after')(methodName, method) |
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65 if status == STOP: |
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66 return value |
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67 if value: |
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68 result += value |
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69 |
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70 # done! |
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71 return result |
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72 |
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73 # expose wrapper function if wrapped method is exposed |
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74 if getattr(method, 'exposed', None): |
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75 _wrapper.exposed = True |
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76 |
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77 # return wrapper function. It'll get called instead of the |
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78 # requested method. |
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79 return _wrapper |
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80 |
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81 |
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82 def _before(self, methodName, method): |
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83 return CONTINUE, None |
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84 |
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85 |
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86 def _after(self, methodName, method): |
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87 return CONTINUE, None |