Mercurial > repos > bcclaywell > argo_navis

annotate venv/lib/python2.7/site-packages/boto/vendored/six.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 """Utilities for writing code that runs on Python 2 and 3"""
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2
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3 # Copyright (c) 2010-2014 Benjamin Peterson
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4 #
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5 # Permission is hereby granted, free of charge, to any person obtaining a copy
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6 # of this software and associated documentation files (the "Software"), to deal
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7 # in the Software without restriction, including without limitation the rights
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8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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9 # copies of the Software, and to permit persons to whom the Software is
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10 # furnished to do so, subject to the following conditions:
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11 #
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12 # The above copyright notice and this permission notice shall be included in all
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13 # copies or substantial portions of the Software.
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14 #
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15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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21 # SOFTWARE.
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22
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23 import functools
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24 import operator
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25 import sys
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26 import types
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27
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28 __author__ = "Benjamin Peterson <benjamin@python.org>"
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29 __version__ = "1.7.2"
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30
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31
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32 # Useful for very coarse version differentiation.
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33 PY2 = sys.version_info[0] == 2
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34 PY3 = sys.version_info[0] == 3
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35
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36 if PY3:
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37 string_types = str,
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38 integer_types = int,
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39 class_types = type,
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40 text_type = str
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41 binary_type = bytes
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42
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43 MAXSIZE = sys.maxsize
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44 else:
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45 string_types = basestring,
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46 integer_types = (int, long)
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47 class_types = (type, types.ClassType)
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48 text_type = unicode
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49 binary_type = str
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50
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51 if sys.platform.startswith("java"):
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52 # Jython always uses 32 bits.
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53 MAXSIZE = int((1 << 31) - 1)
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54 else:
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55 # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
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56 class X(object):
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57 def __len__(self):
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58 return 1 << 31
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59 try:
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60 len(X())
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61 except OverflowError:
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62 # 32-bit
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63 MAXSIZE = int((1 << 31) - 1)
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64 else:
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65 # 64-bit
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66 MAXSIZE = int((1 << 63) - 1)
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67 del X
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68
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69
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70 def _add_doc(func, doc):
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71 """Add documentation to a function."""
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72 func.__doc__ = doc
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73
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74
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75 def _import_module(name):
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76 """Import module, returning the module after the last dot."""
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77 __import__(name)
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78 return sys.modules[name]
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79
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80
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81 class _LazyDescr(object):
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82
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83 def __init__(self, name):
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84 self.name = name
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85
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86 def __get__(self, obj, tp):
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87 result = self._resolve()
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88 setattr(obj, self.name, result) # Invokes __set__.
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89 # This is a bit ugly, but it avoids running this again.
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90 delattr(obj.__class__, self.name)
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91 return result
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92
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93
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94 class MovedModule(_LazyDescr):
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95
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96 def __init__(self, name, old, new=None):
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97 super(MovedModule, self).__init__(name)
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98 if PY3:
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99 if new is None:
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100 new = name
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101 self.mod = new
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102 else:
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103 self.mod = old
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104
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105 def _resolve(self):
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106 return _import_module(self.mod)
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107
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108 def __getattr__(self, attr):
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109 _module = self._resolve()
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110 value = getattr(_module, attr)
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111 setattr(self, attr, value)
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112 return value
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113
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114
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115 class _LazyModule(types.ModuleType):
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116
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117 def __init__(self, name):
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118 super(_LazyModule, self).__init__(name)
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119 self.__doc__ = self.__class__.__doc__
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120
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121 def __dir__(self):
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122 attrs = ["__doc__", "__name__"]
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123 attrs += [attr.name for attr in self._moved_attributes]
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124 return attrs
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125
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126 # Subclasses should override this
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127 _moved_attributes = []
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128
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129
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130 class MovedAttribute(_LazyDescr):
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131
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132 def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
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133 super(MovedAttribute, self).__init__(name)
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134 if PY3:
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135 if new_mod is None:
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136 new_mod = name
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137 self.mod = new_mod
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138 if new_attr is None:
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139 if old_attr is None:
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140 new_attr = name
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141 else:
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142 new_attr = old_attr
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143 self.attr = new_attr
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144 else:
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145 self.mod = old_mod
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146 if old_attr is None:
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147 old_attr = name
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148 self.attr = old_attr
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149
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150 def _resolve(self):
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151 module = _import_module(self.mod)
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152 return getattr(module, self.attr)
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153
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154
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155 class _SixMetaPathImporter(object):
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156 """
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157 A meta path importer to import six.moves and its submodules.
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158
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159 This class implements a PEP302 finder and loader. It should be compatible
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160 with Python 2.5 and all existing versions of Python3
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161 """
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162 def __init__(self, six_module_name):
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163 self.name = six_module_name
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164 self.known_modules = {}
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165
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166 def _add_module(self, mod, *fullnames):
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167 for fullname in fullnames:
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168 self.known_modules[self.name + "." + fullname] = mod
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169
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170 def _get_module(self, fullname):
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171 return self.known_modules[self.name + "." + fullname]
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172
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173 def find_module(self, fullname, path=None):
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174 if fullname in self.known_modules:
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175 return self
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176 return None
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177
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178 def __get_module(self, fullname):
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179 try:
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180 return self.known_modules[fullname]
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181 except KeyError:
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182 raise ImportError("This loader does not know module " + fullname)
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183
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184 def load_module(self, fullname):
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185 try:
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186 # in case of a reload
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187 return sys.modules[fullname]
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188 except KeyError:
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189 pass
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190 mod = self.__get_module(fullname)
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191 if isinstance(mod, MovedModule):
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192 mod = mod._resolve()
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193 else:
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194 mod.__loader__ = self
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195 sys.modules[fullname] = mod
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196 return mod
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197
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198 def is_package(self, fullname):
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199 """
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200 Return true, if the named module is a package.
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201
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202 We need this method to get correct spec objects with
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203 Python 3.4 (see PEP451)
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204 """
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205 return hasattr(self.__get_module(fullname), "__path__")
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206
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207 def get_code(self, fullname):
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208 """Return None
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209
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210 Required, if is_package is implemented"""
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211 self.__get_module(fullname) # eventually raises ImportError
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212 return None
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213 get_source = get_code # same as get_code
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214
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215 _importer = _SixMetaPathImporter(__name__)
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216
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217
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218 class _MovedItems(_LazyModule):
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219 """Lazy loading of moved objects"""
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220 __path__ = [] # mark as package
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221
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222
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223 _moved_attributes = [
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224 MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
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225 MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
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226 MovedAttribute("filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"),
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227 MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
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228 MovedAttribute("map", "itertools", "builtins", "imap", "map"),
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229 MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"),
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230 MovedAttribute("reload_module", "__builtin__", "imp", "reload"),
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231 MovedAttribute("reduce", "__builtin__", "functools"),
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232 MovedAttribute("StringIO", "StringIO", "io"),
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233 MovedAttribute("UserDict", "UserDict", "collections"),
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234 MovedAttribute("UserList", "UserList", "collections"),
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235 MovedAttribute("UserString", "UserString", "collections"),
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236 MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
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237 MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
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238 MovedAttribute("zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"),
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239
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240 MovedModule("builtins", "__builtin__"),
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241 MovedModule("configparser", "ConfigParser"),
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242 MovedModule("copyreg", "copy_reg"),
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243 MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
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244 MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"),
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245 MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
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246 MovedModule("http_cookies", "Cookie", "http.cookies"),
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247 MovedModule("html_entities", "htmlentitydefs", "html.entities"),
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248 MovedModule("html_parser", "HTMLParser", "html.parser"),
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249 MovedModule("http_client", "httplib", "http.client"),
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250 MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"),
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251 MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"),
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252 MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"),
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253 MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
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254 MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
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255 MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
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256 MovedModule("cPickle", "cPickle", "pickle"),
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257 MovedModule("queue", "Queue"),
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258 MovedModule("reprlib", "repr"),
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259 MovedModule("socketserver", "SocketServer"),
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260 MovedModule("_thread", "thread", "_thread"),
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261 MovedModule("tkinter", "Tkinter"),
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262 MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
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263 MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
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264 MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
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265 MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
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266 MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
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267 MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"),
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268 MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
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269 MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
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270 MovedModule("tkinter_colorchooser", "tkColorChooser",
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271 "tkinter.colorchooser"),
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272 MovedModule("tkinter_commondialog", "tkCommonDialog",
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273 "tkinter.commondialog"),
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274 MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
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275 MovedModule("tkinter_font", "tkFont", "tkinter.font"),
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276 MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
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277 MovedModule("tkinter_tksimpledialog", "tkSimpleDialog",
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278 "tkinter.simpledialog"),
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279 MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"),
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280 MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"),
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281 MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"),
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282 MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
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283 MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"),
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284 MovedModule("xmlrpc_server", "xmlrpclib", "xmlrpc.server"),
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285 MovedModule("winreg", "_winreg"),
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286 ]
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287 for attr in _moved_attributes:
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288 setattr(_MovedItems, attr.name, attr)
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289 if isinstance(attr, MovedModule):
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290 _importer._add_module(attr, "moves." + attr.name)
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291 del attr
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292
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293 _MovedItems._moved_attributes = _moved_attributes
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294
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295 moves = _MovedItems(__name__ + ".moves")
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296 _importer._add_module(moves, "moves")
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297
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298
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299 class Module_six_moves_urllib_parse(_LazyModule):
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300 """Lazy loading of moved objects in six.moves.urllib_parse"""
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301
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302
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303 _urllib_parse_moved_attributes = [
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304 MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
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305 MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
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306 MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
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307 MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
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308 MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
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309 MovedAttribute("urljoin", "urlparse", "urllib.parse"),
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310 MovedAttribute("urlparse", "urlparse", "urllib.parse"),
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311 MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
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312 MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
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313 MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
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314 MovedAttribute("quote", "urllib", "urllib.parse"),
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315 MovedAttribute("quote_plus", "urllib", "urllib.parse"),
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316 MovedAttribute("unquote", "urllib", "urllib.parse"),
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317 MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
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318 MovedAttribute("urlencode", "urllib", "urllib.parse"),
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319 MovedAttribute("splitquery", "urllib", "urllib.parse"),
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320 ]
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321 for attr in _urllib_parse_moved_attributes:
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322 setattr(Module_six_moves_urllib_parse, attr.name, attr)
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323 del attr
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324
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325 Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
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326
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327 _importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
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328 "moves.urllib_parse", "moves.urllib.parse")
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329
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330
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331 class Module_six_moves_urllib_error(_LazyModule):
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332 """Lazy loading of moved objects in six.moves.urllib_error"""
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333
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334
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335 _urllib_error_moved_attributes = [
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336 MovedAttribute("URLError", "urllib2", "urllib.error"),
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337 MovedAttribute("HTTPError", "urllib2", "urllib.error"),
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338 MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
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339 ]
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340 for attr in _urllib_error_moved_attributes:
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341 setattr(Module_six_moves_urllib_error, attr.name, attr)
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342 del attr
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343
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344 Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
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345
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346 _importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
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347 "moves.urllib_error", "moves.urllib.error")
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348
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349
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350 class Module_six_moves_urllib_request(_LazyModule):
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351 """Lazy loading of moved objects in six.moves.urllib_request"""
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352
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353
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354 _urllib_request_moved_attributes = [
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355 MovedAttribute("urlopen", "urllib2", "urllib.request"),
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356 MovedAttribute("install_opener", "urllib2", "urllib.request"),
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357 MovedAttribute("build_opener", "urllib2", "urllib.request"),
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358 MovedAttribute("pathname2url", "urllib", "urllib.request"),
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359 MovedAttribute("url2pathname", "urllib", "urllib.request"),
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360 MovedAttribute("getproxies", "urllib", "urllib.request"),
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361 MovedAttribute("Request", "urllib2", "urllib.request"),
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362 MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
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363 MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
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364 MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
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365 MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
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366 MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
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367 MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
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368 MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
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parents:
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369 MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
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parents:
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370 MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
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parents:
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371 MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
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372 MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
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373 MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
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374 MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
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375 MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
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parents:
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376 MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
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377 MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
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parents:
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378 MovedAttribute("FileHandler", "urllib2", "urllib.request"),
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379 MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
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parents:
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380 MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
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381 MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
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382 MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
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parents:
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383 MovedAttribute("urlretrieve", "urllib", "urllib.request"),
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parents:
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384 MovedAttribute("urlcleanup", "urllib", "urllib.request"),
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parents:
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385 MovedAttribute("URLopener", "urllib", "urllib.request"),
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parents:
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386 MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
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parents:
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387 MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
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388 ]
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389 for attr in _urllib_request_moved_attributes:
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parents:
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390 setattr(Module_six_moves_urllib_request, attr.name, attr)
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391 del attr
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392
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393 Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
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394
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395 _importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
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396 "moves.urllib_request", "moves.urllib.request")
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397
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parents:
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398
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399 class Module_six_moves_urllib_response(_LazyModule):
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400 """Lazy loading of moved objects in six.moves.urllib_response"""
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parents:
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401
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parents:
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402
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parents:
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403 _urllib_response_moved_attributes = [
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parents:
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404 MovedAttribute("addbase", "urllib", "urllib.response"),
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parents:
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405 MovedAttribute("addclosehook", "urllib", "urllib.response"),
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parents:
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406 MovedAttribute("addinfo", "urllib", "urllib.response"),
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parents:
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407 MovedAttribute("addinfourl", "urllib", "urllib.response"),
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parents:
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408 ]
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409 for attr in _urllib_response_moved_attributes:
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410 setattr(Module_six_moves_urllib_response, attr.name, attr)
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411 del attr
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parents:
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412
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parents:
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413 Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes
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bcclaywell
parents:
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414
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parents:
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415 _importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
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416 "moves.urllib_response", "moves.urllib.response")
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417
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418
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419 class Module_six_moves_urllib_robotparser(_LazyModule):
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420 """Lazy loading of moved objects in six.moves.urllib_robotparser"""
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parents:
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421
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parents:
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422
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423 _urllib_robotparser_moved_attributes = [
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parents:
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424 MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"),
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parents:
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425 ]
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parents:
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426 for attr in _urllib_robotparser_moved_attributes:
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parents:
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427 setattr(Module_six_moves_urllib_robotparser, attr.name, attr)
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bcclaywell
parents:
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428 del attr
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bcclaywell
parents:
diff changeset
429
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parents:
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430 Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes
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bcclaywell
parents:
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431
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parents:
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432 _importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
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parents:
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433 "moves.urllib_robotparser", "moves.urllib.robotparser")
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bcclaywell
parents:
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434
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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435
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bcclaywell
parents:
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436 class Module_six_moves_urllib(types.ModuleType):
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bcclaywell
parents:
diff changeset
437 """Create a six.moves.urllib namespace that resembles the Python 3 namespace"""
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parents:
diff changeset
438 __path__ = [] # mark as package
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parents:
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439 parse = _importer._get_module("moves.urllib_parse")
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parents:
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440 error = _importer._get_module("moves.urllib_error")
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parents:
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441 request = _importer._get_module("moves.urllib_request")
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parents:
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442 response = _importer._get_module("moves.urllib_response")
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parents:
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443 robotparser = _importer._get_module("moves.urllib_robotparser")
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parents:
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444
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bcclaywell
parents:
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445 def __dir__(self):
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parents:
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446 return ['parse', 'error', 'request', 'response', 'robotparser']
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bcclaywell
parents:
diff changeset
447
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bcclaywell
parents:
diff changeset
448 _importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"),
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
449 "moves.urllib")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
450
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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451
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bcclaywell
parents:
diff changeset
452 def add_move(move):
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parents:
diff changeset
453 """Add an item to six.moves."""
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parents:
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454 setattr(_MovedItems, move.name, move)
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bcclaywell
parents:
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455
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bcclaywell
parents:
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456
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bcclaywell
parents:
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457 def remove_move(name):
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parents:
diff changeset
458 """Remove item from six.moves."""
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bcclaywell
parents:
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459 try:
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bcclaywell
parents:
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460 delattr(_MovedItems, name)
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parents:
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461 except AttributeError:
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parents:
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462 try:
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bcclaywell
parents:
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463 del moves.__dict__[name]
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parents:
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464 except KeyError:
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parents:
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465 raise AttributeError("no such move, %r" % (name,))
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bcclaywell
parents:
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466
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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467
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bcclaywell
parents:
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468 if PY3:
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parents:
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469 _meth_func = "__func__"
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parents:
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470 _meth_self = "__self__"
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parents:
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471
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parents:
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472 _func_closure = "__closure__"
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parents:
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473 _func_code = "__code__"
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parents:
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474 _func_defaults = "__defaults__"
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parents:
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475 _func_globals = "__globals__"
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parents:
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476 else:
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parents:
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477 _meth_func = "im_func"
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parents:
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478 _meth_self = "im_self"
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parents:
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479
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bcclaywell
parents:
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480 _func_closure = "func_closure"
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parents:
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481 _func_code = "func_code"
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parents:
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482 _func_defaults = "func_defaults"
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parents:
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483 _func_globals = "func_globals"
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bcclaywell
parents:
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484
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bcclaywell
parents:
diff changeset
485
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parents:
diff changeset
486 try:
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487 advance_iterator = next
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parents:
diff changeset
488 except NameError:
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parents:
diff changeset
489 def advance_iterator(it):
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parents:
diff changeset
490 return it.next()
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parents:
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491 next = advance_iterator
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parents:
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492
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bcclaywell
parents:
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493
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494 try:
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diff changeset
495 callable = callable
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496 except NameError:
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parents:
diff changeset
497 def callable(obj):
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parents:
diff changeset
498 return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
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bcclaywell
parents:
diff changeset
499
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bcclaywell
parents:
diff changeset
500
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parents:
diff changeset
501 if PY3:
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parents:
diff changeset
502 def get_unbound_function(unbound):
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parents:
diff changeset
503 return unbound
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bcclaywell
parents:
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504
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parents:
diff changeset
505 create_bound_method = types.MethodType
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bcclaywell
parents:
diff changeset
506
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parents:
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507 Iterator = object
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parents:
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508 else:
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parents:
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509 def get_unbound_function(unbound):
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parents:
diff changeset
510 return unbound.im_func
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parents:
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511
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parents:
diff changeset
512 def create_bound_method(func, obj):
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parents:
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513 return types.MethodType(func, obj, obj.__class__)
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parents:
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514
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parents:
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515 class Iterator(object):
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parents:
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516
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517 def next(self):
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parents:
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518 return type(self).__next__(self)
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parents:
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519
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bcclaywell
parents:
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520 callable = callable
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parents:
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521 _add_doc(get_unbound_function,
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522 """Get the function out of a possibly unbound function""")
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parents:
diff changeset
523
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bcclaywell
parents:
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524
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parents:
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525 get_method_function = operator.attrgetter(_meth_func)
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parents:
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526 get_method_self = operator.attrgetter(_meth_self)
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parents:
diff changeset
527 get_function_closure = operator.attrgetter(_func_closure)
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bcclaywell
parents:
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528 get_function_code = operator.attrgetter(_func_code)
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bcclaywell
parents:
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529 get_function_defaults = operator.attrgetter(_func_defaults)
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bcclaywell
parents:
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530 get_function_globals = operator.attrgetter(_func_globals)
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bcclaywell
parents:
diff changeset
531
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
532
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
533 if PY3:
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parents:
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534 def iterkeys(d, **kw):
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parents:
diff changeset
535 return iter(d.keys(**kw))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
536
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
537 def itervalues(d, **kw):
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bcclaywell
parents:
diff changeset
538 return iter(d.values(**kw))
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bcclaywell
parents:
diff changeset
539
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bcclaywell
parents:
diff changeset
540 def iteritems(d, **kw):
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bcclaywell
parents:
diff changeset
541 return iter(d.items(**kw))
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bcclaywell
parents:
diff changeset
542
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bcclaywell
parents:
diff changeset
543 def iterlists(d, **kw):
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bcclaywell
parents:
diff changeset
544 return iter(d.lists(**kw))
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parents:
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545 else:
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bcclaywell
parents:
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546 def iterkeys(d, **kw):
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parents:
diff changeset
547 return iter(d.iterkeys(**kw))
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parents:
diff changeset
548
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parents:
diff changeset
549 def itervalues(d, **kw):
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parents:
diff changeset
550 return iter(d.itervalues(**kw))
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parents:
diff changeset
551
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parents:
diff changeset
552 def iteritems(d, **kw):
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parents:
diff changeset
553 return iter(d.iteritems(**kw))
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bcclaywell
parents:
diff changeset
554
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parents:
diff changeset
555 def iterlists(d, **kw):
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bcclaywell
parents:
diff changeset
556 return iter(d.iterlists(**kw))
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bcclaywell
parents:
diff changeset
557
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bcclaywell
parents:
diff changeset
558 _add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
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parents:
diff changeset
559 _add_doc(itervalues, "Return an iterator over the values of a dictionary.")
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bcclaywell
parents:
diff changeset
560 _add_doc(iteritems,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
561 "Return an iterator over the (key, value) pairs of a dictionary.")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
562 _add_doc(iterlists,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
563 "Return an iterator over the (key, [values]) pairs of a dictionary.")
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bcclaywell
parents:
diff changeset
564
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
565
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
566 if PY3:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
567 def b(s):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
568 return s.encode("latin-1")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
569 def u(s):
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bcclaywell
parents:
diff changeset
570 return s
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bcclaywell
parents:
diff changeset
571 unichr = chr
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
572 if sys.version_info[1] <= 1:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
573 def int2byte(i):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
574 return bytes((i,))
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
575 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
576 # This is about 2x faster than the implementation above on 3.2+
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
577 int2byte = operator.methodcaller("to_bytes", 1, "big")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
578 byte2int = operator.itemgetter(0)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
579 indexbytes = operator.getitem
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
580 iterbytes = iter
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
581 import io
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
582 StringIO = io.StringIO
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
583 BytesIO = io.BytesIO
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bcclaywell
parents:
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584 else:
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bcclaywell
parents:
diff changeset
585 def b(s):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
586 return s
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
587 # Workaround for standalone backslash
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bcclaywell
parents:
diff changeset
588 def u(s):
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bcclaywell
parents:
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589 return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
590 unichr = unichr
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
591 int2byte = chr
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
592 def byte2int(bs):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
593 return ord(bs[0])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
594 def indexbytes(buf, i):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
595 return ord(buf[i])
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
596 def iterbytes(buf):
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bcclaywell
parents:
diff changeset
597 return (ord(byte) for byte in buf)
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bcclaywell
parents:
diff changeset
598 import StringIO
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
599 StringIO = BytesIO = StringIO.StringIO
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
600 _add_doc(b, """Byte literal""")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
601 _add_doc(u, """Text literal""")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
602
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
603
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
604 if PY3:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
605 exec_ = getattr(moves.builtins, "exec")
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
606
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
607
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
608 def reraise(tp, value, tb=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
609 if value.__traceback__ is not tb:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
610 raise value.with_traceback(tb)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
611 raise value
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
612
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
613 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
614 def exec_(_code_, _globs_=None, _locs_=None):
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bcclaywell
parents:
diff changeset
615 """Execute code in a namespace."""
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616 if _globs_ is None:
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617 frame = sys._getframe(1)
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618 _globs_ = frame.f_globals
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619 if _locs_ is None:
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620 _locs_ = frame.f_locals
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621 del frame
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622 elif _locs_ is None:
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623 _locs_ = _globs_
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624 exec("""exec _code_ in _globs_, _locs_""")
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625
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626
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627 exec_("""def reraise(tp, value, tb=None):
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628 raise tp, value, tb
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629 """)
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630
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631
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632 print_ = getattr(moves.builtins, "print", None)
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633 if print_ is None:
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634 def print_(*args, **kwargs):
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635 """The new-style print function for Python 2.4 and 2.5."""
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636 fp = kwargs.pop("file", sys.stdout)
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637 if fp is None:
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638 return
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639 def write(data):
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640 if not isinstance(data, basestring):
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641 data = str(data)
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642 # If the file has an encoding, encode unicode with it.
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643 if (isinstance(fp, file) and
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644 isinstance(data, unicode) and
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645 fp.encoding is not None):
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646 errors = getattr(fp, "errors", None)
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647 if errors is None:
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648 errors = "strict"
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649 data = data.encode(fp.encoding, errors)
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650 fp.write(data)
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651 want_unicode = False
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652 sep = kwargs.pop("sep", None)
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653 if sep is not None:
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654 if isinstance(sep, unicode):
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655 want_unicode = True
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656 elif not isinstance(sep, str):
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657 raise TypeError("sep must be None or a string")
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658 end = kwargs.pop("end", None)
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659 if end is not None:
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660 if isinstance(end, unicode):
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661 want_unicode = True
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662 elif not isinstance(end, str):
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663 raise TypeError("end must be None or a string")
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664 if kwargs:
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665 raise TypeError("invalid keyword arguments to print()")
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666 if not want_unicode:
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667 for arg in args:
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668 if isinstance(arg, unicode):
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669 want_unicode = True
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670 break
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671 if want_unicode:
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672 newline = unicode("\n")
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673 space = unicode(" ")
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674 else:
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675 newline = "\n"
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676 space = " "
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677 if sep is None:
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678 sep = space
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679 if end is None:
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680 end = newline
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681 for i, arg in enumerate(args):
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682 if i:
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683 write(sep)
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684 write(arg)
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685 write(end)
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686
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687 _add_doc(reraise, """Reraise an exception.""")
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688
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689 if sys.version_info[0:2] < (3, 4):
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690 def wraps(wrapped):
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691 def wrapper(f):
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692 f = functools.wraps(wrapped)(f)
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693 f.__wrapped__ = wrapped
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694 return f
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695 return wrapper
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696 else:
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697 wraps = functools.wraps
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698
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699 def with_metaclass(meta, *bases):
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700 """Create a base class with a metaclass."""
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701 # This requires a bit of explanation: the basic idea is to make a
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702 # dummy metaclass for one level of class instantiation that replaces
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703 # itself with the actual metaclass. Because of internal type checks
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704 # we also need to make sure that we downgrade the custom metaclass
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705 # for one level to something closer to type (that's why __call__ and
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706 # __init__ comes back from type etc.).
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707 class metaclass(meta):
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708 __call__ = type.__call__
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709 __init__ = type.__init__
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710 def __new__(cls, name, this_bases, d):
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711 if this_bases is None:
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parents:
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712 return type.__new__(cls, name, (), d)
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713 return meta(name, bases, d)
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parents:
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714 return metaclass('temporary_class', None, {})
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parents:
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715
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parents:
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716
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717 def add_metaclass(metaclass):
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718 """Class decorator for creating a class with a metaclass."""
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719 def wrapper(cls):
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720 orig_vars = cls.__dict__.copy()
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721 orig_vars.pop('__dict__', None)
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722 orig_vars.pop('__weakref__', None)
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parents:
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723 slots = orig_vars.get('__slots__')
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parents:
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724 if slots is not None:
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parents:
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725 if isinstance(slots, str):
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parents:
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726 slots = [slots]
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727 for slots_var in slots:
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728 orig_vars.pop(slots_var)
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parents:
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729 return metaclass(cls.__name__, cls.__bases__, orig_vars)
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parents:
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730 return wrapper
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parents:
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731
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parents:
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732 # Complete the moves implementation.
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parents:
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733 # This code is at the end of this module to speed up module loading.
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parents:
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734 # Turn this module into a package.
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parents:
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735 __path__ = [] # required for PEP 302 and PEP 451
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736 __package__ = __name__ # see PEP 366 @ReservedAssignment
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parents:
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737 try:
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738 __spec__.submodule_search_locations = [] # PEP 451 @UndefinedVariable
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parents:
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739 except NameError:
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parents:
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740 pass
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741 # Remove other six meta path importers, since they cause problems. This can
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parents:
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742 # happen if six is removed from sys.modules and then reloaded. (Setuptools does
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743 # this for some reason.)
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744 if sys.meta_path:
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745 for i, importer in enumerate(sys.meta_path):
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746 # Here's some real nastiness: Another "instance" of the six module might
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747 # be floating around. Therefore, we can't use isinstance() to check for
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748 # the six meta path importer, since the other six instance will have
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749 # inserted an importer with different class.
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750 if (type(importer).__name__ == "_SixMetaPathImporter" and
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751 importer.name == __name__):
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752 del sys.meta_path[i]
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753 break
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754 del i, importer
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755 # Finally, add the importer to the meta path import hook.
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756 sys.meta_path.append(_importer)