Mercurial > repos > bcclaywell > argo_navis

annotate venv/lib/python2.7/site-packages/pip/compat/dictconfig.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 # This is a copy of the Python logging.config.dictconfig module,
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2 # reproduced with permission. It is provided here for backwards
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3 # compatibility for Python versions prior to 2.7.
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4 #
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5 # Copyright 2009-2010 by Vinay Sajip. All Rights Reserved.
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6 #
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7 # Permission to use, copy, modify, and distribute this software and its
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8 # documentation for any purpose and without fee is hereby granted,
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9 # provided that the above copyright notice appear in all copies and that
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10 # both that copyright notice and this permission notice appear in
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11 # supporting documentation, and that the name of Vinay Sajip
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12 # not be used in advertising or publicity pertaining to distribution
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13 # of the software without specific, written prior permission.
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14 # VINAY SAJIP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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15 # ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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16 # VINAY SAJIP BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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17 # ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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18 # IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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19 # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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20 from __future__ import absolute_import
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21
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22 import logging.handlers
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23 import re
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24 import sys
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25 import types
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26
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27 from pip._vendor import six
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28
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29 # flake8: noqa
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30
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31 IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I)
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32
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33
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34 def valid_ident(s):
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35 m = IDENTIFIER.match(s)
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36 if not m:
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37 raise ValueError('Not a valid Python identifier: %r' % s)
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38 return True
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39
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40 #
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41 # This function is defined in logging only in recent versions of Python
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42 #
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43 try:
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44 from logging import _checkLevel
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45 except ImportError:
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46 def _checkLevel(level):
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47 if isinstance(level, int):
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48 rv = level
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49 elif str(level) == level:
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50 if level not in logging._levelNames:
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51 raise ValueError('Unknown level: %r' % level)
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52 rv = logging._levelNames[level]
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53 else:
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54 raise TypeError('Level not an integer or a '
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55 'valid string: %r' % level)
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56 return rv
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57
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58 # The ConvertingXXX classes are wrappers around standard Python containers,
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59 # and they serve to convert any suitable values in the container. The
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60 # conversion converts base dicts, lists and tuples to their wrapped
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61 # equivalents, whereas strings which match a conversion format are converted
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62 # appropriately.
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63 #
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64 # Each wrapper should have a configurator attribute holding the actual
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65 # configurator to use for conversion.
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66
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67
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68 class ConvertingDict(dict):
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69 """A converting dictionary wrapper."""
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70
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71 def __getitem__(self, key):
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72 value = dict.__getitem__(self, key)
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73 result = self.configurator.convert(value)
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74 # If the converted value is different, save for next time
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75 if value is not result:
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76 self[key] = result
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77 if type(result) in (ConvertingDict, ConvertingList,
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78 ConvertingTuple):
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79 result.parent = self
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80 result.key = key
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81 return result
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82
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83 def get(self, key, default=None):
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84 value = dict.get(self, key, default)
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85 result = self.configurator.convert(value)
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86 # If the converted value is different, save for next time
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87 if value is not result:
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88 self[key] = result
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89 if type(result) in (ConvertingDict, ConvertingList,
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90 ConvertingTuple):
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91 result.parent = self
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92 result.key = key
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93 return result
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94
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95 def pop(self, key, default=None):
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96 value = dict.pop(self, key, default)
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97 result = self.configurator.convert(value)
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98 if value is not result:
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99 if type(result) in (ConvertingDict, ConvertingList,
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100 ConvertingTuple):
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101 result.parent = self
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102 result.key = key
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103 return result
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104
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105
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106 class ConvertingList(list):
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107 """A converting list wrapper."""
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108 def __getitem__(self, key):
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109 value = list.__getitem__(self, key)
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110 result = self.configurator.convert(value)
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111 # If the converted value is different, save for next time
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112 if value is not result:
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113 self[key] = result
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114 if type(result) in (ConvertingDict, ConvertingList,
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115 ConvertingTuple):
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116 result.parent = self
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117 result.key = key
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118 return result
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119
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120 def pop(self, idx=-1):
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121 value = list.pop(self, idx)
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122 result = self.configurator.convert(value)
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123 if value is not result:
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124 if type(result) in (ConvertingDict, ConvertingList,
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125 ConvertingTuple):
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126 result.parent = self
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127 return result
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128
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129
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130 class ConvertingTuple(tuple):
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131 """A converting tuple wrapper."""
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132 def __getitem__(self, key):
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133 value = tuple.__getitem__(self, key)
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134 result = self.configurator.convert(value)
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135 if value is not result:
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136 if type(result) in (ConvertingDict, ConvertingList,
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137 ConvertingTuple):
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138 result.parent = self
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139 result.key = key
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140 return result
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141
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142
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143 class BaseConfigurator(object):
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144 """
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145 The configurator base class which defines some useful defaults.
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146 """
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147
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148 CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$')
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149
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150 WORD_PATTERN = re.compile(r'^\s*(\w+)\s*')
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151 DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*')
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152 INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*')
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153 DIGIT_PATTERN = re.compile(r'^\d+$')
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154
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155 value_converters = {
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156 'ext' : 'ext_convert',
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157 'cfg' : 'cfg_convert',
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158 }
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159
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160 # We might want to use a different one, e.g. importlib
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161 importer = __import__
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162
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163 def __init__(self, config):
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164 self.config = ConvertingDict(config)
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165 self.config.configurator = self
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166
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167 def resolve(self, s):
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168 """
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169 Resolve strings to objects using standard import and attribute
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170 syntax.
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171 """
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172 name = s.split('.')
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173 used = name.pop(0)
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174 try:
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175 found = self.importer(used)
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176 for frag in name:
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177 used += '.' + frag
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178 try:
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179 found = getattr(found, frag)
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180 except AttributeError:
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181 self.importer(used)
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182 found = getattr(found, frag)
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183 return found
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184 except ImportError:
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185 e, tb = sys.exc_info()[1:]
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186 v = ValueError('Cannot resolve %r: %s' % (s, e))
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187 v.__cause__, v.__traceback__ = e, tb
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188 raise v
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189
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190 def ext_convert(self, value):
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191 """Default converter for the ext:// protocol."""
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192 return self.resolve(value)
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193
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194 def cfg_convert(self, value):
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195 """Default converter for the cfg:// protocol."""
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196 rest = value
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197 m = self.WORD_PATTERN.match(rest)
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198 if m is None:
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199 raise ValueError("Unable to convert %r" % value)
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200 else:
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201 rest = rest[m.end():]
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202 d = self.config[m.groups()[0]]
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203 # print d, rest
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204 while rest:
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205 m = self.DOT_PATTERN.match(rest)
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206 if m:
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207 d = d[m.groups()[0]]
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208 else:
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209 m = self.INDEX_PATTERN.match(rest)
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210 if m:
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211 idx = m.groups()[0]
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212 if not self.DIGIT_PATTERN.match(idx):
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213 d = d[idx]
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214 else:
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215 try:
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216 n = int(idx) # try as number first (most likely)
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217 d = d[n]
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218 except TypeError:
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219 d = d[idx]
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220 if m:
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221 rest = rest[m.end():]
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222 else:
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223 raise ValueError('Unable to convert '
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224 '%r at %r' % (value, rest))
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225 # rest should be empty
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226 return d
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227
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228 def convert(self, value):
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229 """
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230 Convert values to an appropriate type. dicts, lists and tuples are
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231 replaced by their converting alternatives. Strings are checked to
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232 see if they have a conversion format and are converted if they do.
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233 """
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234 if not isinstance(value, ConvertingDict) and isinstance(value, dict):
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235 value = ConvertingDict(value)
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236 value.configurator = self
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237 elif not isinstance(value, ConvertingList) and isinstance(value, list):
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238 value = ConvertingList(value)
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239 value.configurator = self
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240 elif not isinstance(value, ConvertingTuple) and\
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241 isinstance(value, tuple):
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242 value = ConvertingTuple(value)
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243 value.configurator = self
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244 elif isinstance(value, six.string_types): # str for py3k
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245 m = self.CONVERT_PATTERN.match(value)
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246 if m:
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247 d = m.groupdict()
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248 prefix = d['prefix']
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249 converter = self.value_converters.get(prefix, None)
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250 if converter:
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251 suffix = d['suffix']
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252 converter = getattr(self, converter)
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253 value = converter(suffix)
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254 return value
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255
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256 def configure_custom(self, config):
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257 """Configure an object with a user-supplied factory."""
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258 c = config.pop('()')
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259 if not hasattr(c, '__call__') and hasattr(types, 'ClassType') and type(c) != types.ClassType:
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260 c = self.resolve(c)
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261 props = config.pop('.', None)
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262 # Check for valid identifiers
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263 kwargs = dict((k, config[k]) for k in config if valid_ident(k))
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264 result = c(**kwargs)
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265 if props:
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266 for name, value in props.items():
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267 setattr(result, name, value)
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268 return result
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269
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270 def as_tuple(self, value):
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271 """Utility function which converts lists to tuples."""
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272 if isinstance(value, list):
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273 value = tuple(value)
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274 return value
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275
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276
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277 class DictConfigurator(BaseConfigurator):
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278 """
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279 Configure logging using a dictionary-like object to describe the
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280 configuration.
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281 """
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282
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283 def configure(self):
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284 """Do the configuration."""
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285
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286 config = self.config
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287 if 'version' not in config:
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288 raise ValueError("dictionary doesn't specify a version")
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289 if config['version'] != 1:
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290 raise ValueError("Unsupported version: %s" % config['version'])
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291 incremental = config.pop('incremental', False)
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292 EMPTY_DICT = {}
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293 logging._acquireLock()
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294 try:
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295 if incremental:
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296 handlers = config.get('handlers', EMPTY_DICT)
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297 # incremental handler config only if handler name
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298 # ties in to logging._handlers (Python 2.7)
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299 if sys.version_info[:2] == (2, 7):
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300 for name in handlers:
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301 if name not in logging._handlers:
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302 raise ValueError('No handler found with '
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303 'name %r' % name)
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304 else:
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305 try:
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306 handler = logging._handlers[name]
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307 handler_config = handlers[name]
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308 level = handler_config.get('level', None)
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309 if level:
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310 handler.setLevel(_checkLevel(level))
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311 except StandardError as e:
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312 raise ValueError('Unable to configure handler '
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313 '%r: %s' % (name, e))
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314 loggers = config.get('loggers', EMPTY_DICT)
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315 for name in loggers:
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316 try:
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317 self.configure_logger(name, loggers[name], True)
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318 except StandardError as e:
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319 raise ValueError('Unable to configure logger '
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320 '%r: %s' % (name, e))
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321 root = config.get('root', None)
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322 if root:
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323 try:
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324 self.configure_root(root, True)
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325 except StandardError as e:
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326 raise ValueError('Unable to configure root '
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327 'logger: %s' % e)
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328 else:
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329 disable_existing = config.pop('disable_existing_loggers', True)
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330
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331 logging._handlers.clear()
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332 del logging._handlerList[:]
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333
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334 # Do formatters first - they don't refer to anything else
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335 formatters = config.get('formatters', EMPTY_DICT)
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336 for name in formatters:
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337 try:
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338 formatters[name] = self.configure_formatter(
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339 formatters[name])
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340 except StandardError as e:
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341 raise ValueError('Unable to configure '
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342 'formatter %r: %s' % (name, e))
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343 # Next, do filters - they don't refer to anything else, either
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344 filters = config.get('filters', EMPTY_DICT)
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345 for name in filters:
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346 try:
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347 filters[name] = self.configure_filter(filters[name])
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348 except StandardError as e:
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349 raise ValueError('Unable to configure '
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350 'filter %r: %s' % (name, e))
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351
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352 # Next, do handlers - they refer to formatters and filters
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353 # As handlers can refer to other handlers, sort the keys
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354 # to allow a deterministic order of configuration
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355 handlers = config.get('handlers', EMPTY_DICT)
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356 for name in sorted(handlers):
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357 try:
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358 handler = self.configure_handler(handlers[name])
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359 handler.name = name
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360 handlers[name] = handler
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361 except StandardError as e:
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362 raise ValueError('Unable to configure handler '
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363 '%r: %s' % (name, e))
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364 # Next, do loggers - they refer to handlers and filters
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365
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366 # we don't want to lose the existing loggers,
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367 # since other threads may have pointers to them.
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368 # existing is set to contain all existing loggers,
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369 # and as we go through the new configuration we
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370 # remove any which are configured. At the end,
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371 # what's left in existing is the set of loggers
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372 # which were in the previous configuration but
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373 # which are not in the new configuration.
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374 root = logging.root
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375 existing = list(root.manager.loggerDict)
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376 # The list needs to be sorted so that we can
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377 # avoid disabling child loggers of explicitly
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378 # named loggers. With a sorted list it is easier
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379 # to find the child loggers.
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380 existing.sort()
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381 # We'll keep the list of existing loggers
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382 # which are children of named loggers here...
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
383 child_loggers = []
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
384 # now set up the new ones...
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
385 loggers = config.get('loggers', EMPTY_DICT)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
386 for name in loggers:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
387 if name in existing:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
388 i = existing.index(name)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
389 prefixed = name + "."
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
390 pflen = len(prefixed)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
391 num_existing = len(existing)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
392 i = i + 1 # look at the entry after name
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
393 while (i < num_existing) and\
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
394 (existing[i][:pflen] == prefixed):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
395 child_loggers.append(existing[i])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
396 i = i + 1
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
397 existing.remove(name)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
398 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
399 self.configure_logger(name, loggers[name])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
400 except StandardError as e:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
401 raise ValueError('Unable to configure logger '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
402 '%r: %s' % (name, e))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
403
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
404 # Disable any old loggers. There's no point deleting
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
405 # them as other threads may continue to hold references
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
406 # and by disabling them, you stop them doing any logging.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
407 # However, don't disable children of named loggers, as that's
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
408 # probably not what was intended by the user.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
409 for log in existing:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
410 logger = root.manager.loggerDict[log]
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
411 if log in child_loggers:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
412 logger.level = logging.NOTSET
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
413 logger.handlers = []
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
414 logger.propagate = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
415 elif disable_existing:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
416 logger.disabled = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
417
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
418 # And finally, do the root logger
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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419 root = config.get('root', None)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
420 if root:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
421 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
422 self.configure_root(root)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
423 except StandardError as e:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
424 raise ValueError('Unable to configure root '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
425 'logger: %s' % e)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
426 finally:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
427 logging._releaseLock()
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
428
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
429 def configure_formatter(self, config):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
430 """Configure a formatter from a dictionary."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
431 if '()' in config:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
432 factory = config['()'] # for use in exception handler
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
433 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
434 result = self.configure_custom(config)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
435 except TypeError as te:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
436 if "'format'" not in str(te):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
437 raise
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
438 # Name of parameter changed from fmt to format.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
439 # Retry with old name.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
440 # This is so that code can be used with older Python versions
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
441 #(e.g. by Django)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
442 config['fmt'] = config.pop('format')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
443 config['()'] = factory
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
444 result = self.configure_custom(config)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
445 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
446 fmt = config.get('format', None)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
447 dfmt = config.get('datefmt', None)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
448 result = logging.Formatter(fmt, dfmt)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
449 return result
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
450
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
451 def configure_filter(self, config):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
452 """Configure a filter from a dictionary."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
453 if '()' in config:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
454 result = self.configure_custom(config)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
455 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
456 name = config.get('name', '')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
457 result = logging.Filter(name)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
458 return result
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
459
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
460 def add_filters(self, filterer, filters):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
461 """Add filters to a filterer from a list of names."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
462 for f in filters:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
463 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
464 filterer.addFilter(self.config['filters'][f])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
465 except StandardError as e:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
466 raise ValueError('Unable to add filter %r: %s' % (f, e))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
467
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
468 def configure_handler(self, config):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
469 """Configure a handler from a dictionary."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
470 formatter = config.pop('formatter', None)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
471 if formatter:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
472 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
473 formatter = self.config['formatters'][formatter]
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
474 except StandardError as e:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
475 raise ValueError('Unable to set formatter '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
476 '%r: %s' % (formatter, e))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
477 level = config.pop('level', None)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
478 filters = config.pop('filters', None)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
479 if '()' in config:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
480 c = config.pop('()')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
481 if not hasattr(c, '__call__') and hasattr(types, 'ClassType') and type(c) != types.ClassType:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
482 c = self.resolve(c)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
483 factory = c
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
484 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
485 klass = self.resolve(config.pop('class'))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
486 # Special case for handler which refers to another handler
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
487 if issubclass(klass, logging.handlers.MemoryHandler) and\
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
488 'target' in config:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
489 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
490 config['target'] = self.config['handlers'][config['target']]
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
491 except StandardError as e:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
492 raise ValueError('Unable to set target handler '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
493 '%r: %s' % (config['target'], e))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
494 elif issubclass(klass, logging.handlers.SMTPHandler) and\
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
495 'mailhost' in config:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
496 config['mailhost'] = self.as_tuple(config['mailhost'])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
497 elif issubclass(klass, logging.handlers.SysLogHandler) and\
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
498 'address' in config:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
499 config['address'] = self.as_tuple(config['address'])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
500 factory = klass
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
501 kwargs = dict((k, config[k]) for k in config if valid_ident(k))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
502 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
503 result = factory(**kwargs)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
504 except TypeError as te:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
505 if "'stream'" not in str(te):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
506 raise
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
507 # The argument name changed from strm to stream
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
508 # Retry with old name.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
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509 # This is so that code can be used with older Python versions
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510 #(e.g. by Django)
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511 kwargs['strm'] = kwargs.pop('stream')
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512 result = factory(**kwargs)
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513 if formatter:
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514 result.setFormatter(formatter)
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515 if level is not None:
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516 result.setLevel(_checkLevel(level))
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517 if filters:
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518 self.add_filters(result, filters)
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519 return result
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520
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521 def add_handlers(self, logger, handlers):
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522 """Add handlers to a logger from a list of names."""
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523 for h in handlers:
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524 try:
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525 logger.addHandler(self.config['handlers'][h])
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526 except StandardError as e:
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527 raise ValueError('Unable to add handler %r: %s' % (h, e))
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528
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529 def common_logger_config(self, logger, config, incremental=False):
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530 """
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531 Perform configuration which is common to root and non-root loggers.
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532 """
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533 level = config.get('level', None)
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534 if level is not None:
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535 logger.setLevel(_checkLevel(level))
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536 if not incremental:
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537 # Remove any existing handlers
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538 for h in logger.handlers[:]:
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539 logger.removeHandler(h)
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540 handlers = config.get('handlers', None)
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541 if handlers:
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542 self.add_handlers(logger, handlers)
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543 filters = config.get('filters', None)
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544 if filters:
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545 self.add_filters(logger, filters)
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546
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547 def configure_logger(self, name, config, incremental=False):
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548 """Configure a non-root logger from a dictionary."""
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549 logger = logging.getLogger(name)
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550 self.common_logger_config(logger, config, incremental)
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551 propagate = config.get('propagate', None)
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552 if propagate is not None:
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553 logger.propagate = propagate
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554
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555 def configure_root(self, config, incremental=False):
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556 """Configure a root logger from a dictionary."""
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557 root = logging.getLogger()
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558 self.common_logger_config(root, config, incremental)
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559
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560 dictConfigClass = DictConfigurator
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561
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562
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563 def dictConfig(config):
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564 """Configure logging using a dictionary."""
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565 dictConfigClass(config).configure()