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annotate orpg/tools/decorators.py @ 239:56c1f2729413 beta

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Traipse Beta 'OpenRPG' {100811-00} 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 (Closing/Closed) New Features: New to Map, can re-order Grid, Miniatures, and Whiteboard layer draw order New to Server GUI, can now clear log New Earthdawn Dieroller Updates: Update to Warhammer PC Sheet. Rollers set as macros. Should work with little maintanence. Update to Browser Server window. Display rooms with ' " & cleaner Update to Server. Handles ' " & cleaner. Update to Dieroller. Cleaner, more effecient expression system. Fixes: Fix to InterParse that was causing an Infernal Loop with Namespace Internal Fix to XML data, removed old Minidom and switched to Element Tree Fix to Server that was causing eternal attempt to find a Server ID, in Register Rooms thread Fix to metaservers.xml file not being created Fix to Single and Double quotes in Whiteboard text Fix to Background images not showing when using the Image Server Fix to Duplicate chat names appearing Fix to Server GUI's logging output Fix to FNB.COLORFUL_TABS bug Fix to Gametree for XSLT Sheets Fix to Gametree for locating gametree files
author sirebral
date Wed, 11 Aug 2010 13:52:30 -0500
parents 37a11fea3304
children
rev   line source
72
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1 import warnings
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2 import functools
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3
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4 from orpg.orpgCore import *
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5
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6 def deprecated(msg=None):
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7 """
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8 This is a decorator which can be used to mark functions
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9 as deprecated. It will result in a warning being emitted
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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10 when the function is used.
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11 """
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12 def wrap(func):
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13 @functools.wraps(func)
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14 def new_func(*args, **kwargs):
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15 out = msg
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16 if not out:
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17 out = "Call to deprecated function %s."
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18 else:
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19 out = "Call to deprecated function %s.\n" + out
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20
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21 warnings.warn_explicit(
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22 out % (func.__name__),
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23 category=DeprecationWarning,
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24 filename=func.func_code.co_filename,
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25 lineno=func.func_code.co_firstlineno + 1
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26 )
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27 return func(*args, **kwargs)
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28 return new_func
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29 return wrap
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30
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31 def pending_deprecation(msg=None):
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32 """
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33 This is a decorator which can be used to mark functions
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34 as deprecated. It will result in a warning being emitted
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35 when the function is used.
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36 """
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37 def wrap(func):
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38 @functools.wraps(func)
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39 def new_func(*args, **kwargs):
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40 out = msg
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41 if not out:
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42 out = "%s is Pending Deprecation."
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43 else:
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44 out = "%s is Pending Deprecation.\n" + out
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45
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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46 warnings.warn_explicit(
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47 out % (func.__name__),
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48 category=PendingDeprecationWarning,
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49 filename=func.func_code.co_filename,
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50 lineno=func.func_code.co_firstlineno + 1
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51 )
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52 return func(*args, **kwargs)
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53 return new_func
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54 return wrap
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55
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56 def synchronized(lock):
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57 """
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58 Synchronization decorator.
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59 """
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60
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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61 @functools.wraps(func)
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62 def new_func(*args, **kwargs):
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63 lock.acquire()
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64 try:
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65 return func(*args, **kwargs)
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66 finally:
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67 lock.release()
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68 return new_func
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69
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70 class memoized(object):
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71 """
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72 Decorator that caches a function's return value each time it is called.
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73 If called later with the same arguments, the cached value is returned, and
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74 not re-evaluated.
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75 """
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76 def __init__(self, func):
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77 self.func = func
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78 self.cache = {}
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79
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80 def __call__(self, *args, **kwargs):
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81 try:
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82 return self.cache[args + kwargs.values()]
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83 except KeyError:
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84 self.cache[args] = value = self.func(*args, **kwargs)
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85 return value
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86 except TypeError:
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87 # uncachable -- for instance, passing a list as an argument.
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88 # Better to not cache than to blow up entirely.
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89 return self.func(*args)
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90 def __repr__(self):
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91 """
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92 Return the function's docstring.
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93 """
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94 return self.func.__doc__
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95
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96 def debugging(func):
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97 """
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98 Decorator to print Enter/Exit debugging info
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99 """
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100
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101 @functools.wraps(func)
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102 def new_func(*args, **kwargs):
76
37a11fea3304 More clean up. Images now posts a Chat Info post if image doesn't load.
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103 from orpg_log import logger
72
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104
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105 if not ORPG_DEBUG & logger.log_level:
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106 return func(*args, **kwargs)
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107
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108 if str(args[0].__class__).startswith('<class'):
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109 cls = args[0].__class__.__name__
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110 args_s = "self"
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111 if len(args) > 1:
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112 args_s += ', ' + ', '.join([str(attr) for attr in args[1:]])
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113 kwargs_s = ""
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114 for k,v in kwargs.iteritems():
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115 kwargs_s += ', ' + k + '=' + str(v)
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116
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117 call_str = '%(cls)s->%(fnc)s(%(args)s%(kwargs)s)' % {
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118 'cls':cls,
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119 'fnc':func.__name__,
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120 'args':args_s,
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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121 'kwargs':kwargs_s}
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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122 try:
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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123 logger.debug("Enter " + call_str)
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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124 return func(*args, **kwargs)
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125 finally:
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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126 logger.debug("Exit " + call_str)
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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127 else:
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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128 try:
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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129 logger.debug("Enter " + func.__name__)
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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130 return func(*args, **kwargs)
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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131 finally:
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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132 logger.debug("Exit " + func.__name__)
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133 return new_func
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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134
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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135 """
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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136 Cannot use this decorator till we stop supporting py2.5
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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137 as class decorators did not land till py2.6 I am just adding it here
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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138 So when we do we can convert all singleton classes to use it
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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139 """
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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140 def singleton(cls):
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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141 instances = {}
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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142 def getinstance():
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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143 if cls not in instances:
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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144 instances[cls] = cls()
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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145 return instances[cls]
8bc955faf819 Fixing a few mistakes from the last update. When Controls is finished I will be happy because users won't miss an file change due to these small updates.
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146 return getinstance