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annotate orpg/tools/decorators.py @ 216:a00b40ee92fc beta

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Traipse Beta 'OpenRPG' {100430-00} 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 (Patch-2) New Features: New Namespace method with two new syntaxes New Namespace Internal is context sensitive, always! New Namespace External is 'as narrow as you make it' New Namespace FutureCheck helps ensure you don't receive an incorrect node New PluginDB access for URL2Link plugin New to Forms, they now show their content in Design Mode New to Update Manager, checks Repo for updates on software start New to Mini Lin node, change title in design mode Fixes: Fix to Server GUI startup errors Fix to Server GUI Rooms tab updating Fix to Chat and Settings if non existant die roller is picked Fix to Dieroller and .open() used with .vs(). Successes are correctly calculated Fix to Alias Lib's Export to Tree, Open, Save features Fix to alias node, now works properly Fix to Splitter node, minor GUI cleanup Fix to Backgrounds not loading through remote loader Fix to Node name errors Fix to rolling dice in chat Whispers Fix to Splitters Sizing issues Fix to URL2Link plugin, modified regex compilation should remove memory leak Fix to mapy.py, a roll back due to zoomed grid issues Fix to whiteboard_handler, Circles work by you clicking the center of the circle Fix to Servers parse_incoming_dom which was outdated and did not respect XML Fix to a broken link in the server welcome message Fix to InterParse and logger requiring traceback Fix to Update Manager Status Bar Fix to failed image and erroneous pop up Fix to Mini Lib node that was preventing use Fix to plugins that parce dice but did not call InterParse Fix to nodes for name changing by double click Fix to Game Tree, node ordering on drag and drop corrected
author sirebral
date Fri, 30 Apr 2010 05:40:52 -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
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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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'):
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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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,
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121 'kwargs':kwargs_s}
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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)
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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
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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
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139 """
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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:
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144 instances[cls] = cls()
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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