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annotate env/lib/python3.9/site-packages/attrs-20.3.0.dist-info/METADATA @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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1 Metadata-Version: 2.1
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2 Name: attrs
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3 Version: 20.3.0
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4 Summary: Classes Without Boilerplate
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5 Home-page: https://www.attrs.org/
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6 Author: Hynek Schlawack
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7 Author-email: hs@ox.cx
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8 Maintainer: Hynek Schlawack
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9 Maintainer-email: hs@ox.cx
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10 License: MIT
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11 Project-URL: Documentation, https://www.attrs.org/
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12 Project-URL: Bug Tracker, https://github.com/python-attrs/attrs/issues
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13 Project-URL: Source Code, https://github.com/python-attrs/attrs
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14 Project-URL: Funding, https://github.com/sponsors/hynek
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15 Project-URL: Tidelift, https://tidelift.com/subscription/pkg/pypi-attrs?utm_source=pypi-attrs&utm_medium=pypi
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16 Keywords: class,attribute,boilerplate
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17 Platform: UNKNOWN
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18 Classifier: Development Status :: 5 - Production/Stable
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19 Classifier: Intended Audience :: Developers
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20 Classifier: Natural Language :: English
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21 Classifier: License :: OSI Approved :: MIT License
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22 Classifier: Operating System :: OS Independent
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23 Classifier: Programming Language :: Python
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24 Classifier: Programming Language :: Python :: 2
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25 Classifier: Programming Language :: Python :: 2.7
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26 Classifier: Programming Language :: Python :: 3
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27 Classifier: Programming Language :: Python :: 3.5
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28 Classifier: Programming Language :: Python :: 3.6
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29 Classifier: Programming Language :: Python :: 3.7
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30 Classifier: Programming Language :: Python :: 3.8
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31 Classifier: Programming Language :: Python :: 3.9
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32 Classifier: Programming Language :: Python :: Implementation :: CPython
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33 Classifier: Programming Language :: Python :: Implementation :: PyPy
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34 Classifier: Topic :: Software Development :: Libraries :: Python Modules
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35 Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
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36 Description-Content-Type: text/x-rst
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37 Provides-Extra: dev
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38 Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'dev'
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39 Requires-Dist: hypothesis ; extra == 'dev'
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40 Requires-Dist: pympler ; extra == 'dev'
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41 Requires-Dist: pytest (>=4.3.0) ; extra == 'dev'
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42 Requires-Dist: six ; extra == 'dev'
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43 Requires-Dist: zope.interface ; extra == 'dev'
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44 Requires-Dist: furo ; extra == 'dev'
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45 Requires-Dist: sphinx ; extra == 'dev'
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46 Requires-Dist: pre-commit ; extra == 'dev'
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47 Provides-Extra: docs
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48 Requires-Dist: furo ; extra == 'docs'
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49 Requires-Dist: sphinx ; extra == 'docs'
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50 Requires-Dist: zope.interface ; extra == 'docs'
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51 Provides-Extra: tests
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52 Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'tests'
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53 Requires-Dist: hypothesis ; extra == 'tests'
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54 Requires-Dist: pympler ; extra == 'tests'
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55 Requires-Dist: pytest (>=4.3.0) ; extra == 'tests'
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56 Requires-Dist: six ; extra == 'tests'
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57 Requires-Dist: zope.interface ; extra == 'tests'
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58 Provides-Extra: tests_no_zope
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59 Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'tests_no_zope'
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60 Requires-Dist: hypothesis ; extra == 'tests_no_zope'
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61 Requires-Dist: pympler ; extra == 'tests_no_zope'
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62 Requires-Dist: pytest (>=4.3.0) ; extra == 'tests_no_zope'
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63 Requires-Dist: six ; extra == 'tests_no_zope'
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64
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65 .. image:: https://www.attrs.org/en/latest/_static/attrs_logo.png
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66 :alt: attrs Logo
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67
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68 ======================================
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69 ``attrs``: Classes Without Boilerplate
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70 ======================================
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71
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72 .. image:: https://readthedocs.org/projects/attrs/badge/?version=stable
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73 :target: https://www.attrs.org/en/stable/?badge=stable
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74 :alt: Documentation Status
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75
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76 .. image:: https://github.com/python-attrs/attrs/workflows/CI/badge.svg?branch=master
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77 :target: https://github.com/python-attrs/attrs/actions?workflow=CI
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78 :alt: CI Status
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79
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80 .. image:: https://codecov.io/github/python-attrs/attrs/branch/master/graph/badge.svg
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81 :target: https://codecov.io/github/python-attrs/attrs
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82 :alt: Test Coverage
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83
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84 .. image:: https://img.shields.io/badge/code%20style-black-000000.svg
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85 :target: https://github.com/psf/black
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86 :alt: Code style: black
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87
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88 .. teaser-begin
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89
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90 ``attrs`` is the Python package that will bring back the **joy** of **writing classes** by relieving you from the drudgery of implementing object protocols (aka `dunder <https://nedbatchelder.com/blog/200605/dunder.html>`_ methods).
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91
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92 Its main goal is to help you to write **concise** and **correct** software without slowing down your code.
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93
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94 .. teaser-end
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95
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96 For that, it gives you a class decorator and a way to declaratively define the attributes on that class:
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97
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98 .. -code-begin-
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99
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100 .. code-block:: pycon
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101
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102 >>> import attr
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103
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104 >>> @attr.s
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105 ... class SomeClass(object):
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106 ... a_number = attr.ib(default=42)
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107 ... list_of_numbers = attr.ib(factory=list)
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108 ...
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109 ... def hard_math(self, another_number):
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110 ... return self.a_number + sum(self.list_of_numbers) * another_number
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111
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112
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113 >>> sc = SomeClass(1, [1, 2, 3])
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114 >>> sc
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115 SomeClass(a_number=1, list_of_numbers=[1, 2, 3])
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116
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117 >>> sc.hard_math(3)
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118 19
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119 >>> sc == SomeClass(1, [1, 2, 3])
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120 True
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121 >>> sc != SomeClass(2, [3, 2, 1])
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122 True
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123
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124 >>> attr.asdict(sc)
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125 {'a_number': 1, 'list_of_numbers': [1, 2, 3]}
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126
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127 >>> SomeClass()
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128 SomeClass(a_number=42, list_of_numbers=[])
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129
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130 >>> C = attr.make_class("C", ["a", "b"])
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131 >>> C("foo", "bar")
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132 C(a='foo', b='bar')
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133
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134
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135 After *declaring* your attributes ``attrs`` gives you:
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136
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137 - a concise and explicit overview of the class's attributes,
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138 - a nice human-readable ``__repr__``,
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139 - a complete set of comparison methods (equality and ordering),
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140 - an initializer,
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141 - and much more,
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142
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143 *without* writing dull boilerplate code again and again and *without* runtime performance penalties.
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144
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145 On Python 3.6 and later, you can often even drop the calls to ``attr.ib()`` by using `type annotations <https://www.attrs.org/en/latest/types.html>`_.
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146
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147 This gives you the power to use actual classes with actual types in your code instead of confusing ``tuple``\ s or `confusingly behaving <https://www.attrs.org/en/stable/why.html#namedtuples>`_ ``namedtuple``\ s.
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148 Which in turn encourages you to write *small classes* that do `one thing well <https://www.destroyallsoftware.com/talks/boundaries>`_.
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149 Never again violate the `single responsibility principle <https://en.wikipedia.org/wiki/Single_responsibility_principle>`_ just because implementing ``__init__`` et al is a painful drag.
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150
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151
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152 .. -getting-help-
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153
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154 Getting Help
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155 ============
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156
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157 Please use the ``python-attrs`` tag on `StackOverflow <https://stackoverflow.com/questions/tagged/python-attrs>`_ to get help.
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158
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159 Answering questions of your fellow developers is also a great way to help the project!
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160
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161
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162 .. -project-information-
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163
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164 Project Information
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165 ===================
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166
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167 ``attrs`` is released under the `MIT <https://choosealicense.com/licenses/mit/>`_ license,
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168 its documentation lives at `Read the Docs <https://www.attrs.org/>`_,
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169 the code on `GitHub <https://github.com/python-attrs/attrs>`_,
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170 and the latest release on `PyPI <https://pypi.org/project/attrs/>`_.
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171 It’s rigorously tested on Python 2.7, 3.5+, and PyPy.
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172
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173 We collect information on **third-party extensions** in our `wiki <https://github.com/python-attrs/attrs/wiki/Extensions-to-attrs>`_.
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174 Feel free to browse and add your own!
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175
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176 If you'd like to contribute to ``attrs`` you're most welcome and we've written `a little guide <https://www.attrs.org/en/latest/contributing.html>`_ to get you started!
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177
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178
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179 ``attrs`` for Enterprise
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180 ------------------------
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181
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182 Available as part of the Tidelift Subscription.
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183
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184 The maintainers of ``attrs`` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source packages you use to build your applications.
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185 Save time, reduce risk, and improve code health, while paying the maintainers of the exact packages you use.
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186 `Learn more. <https://tidelift.com/subscription/pkg/pypi-attrs?utm_source=pypi-attrs&utm_medium=referral&utm_campaign=enterprise&utm_term=repo>`_
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187
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188
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189 Release Information
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190 ===================
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191
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192 20.3.0 (2020-11-05)
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193 -------------------
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194
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195 Backward-incompatible Changes
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196 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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197
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198 - ``attr.define()``, ``attr.frozen()``, ``attr.mutable()``, and ``attr.field()`` remain **provisional**.
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199
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200 This release does **not** change change anything about them and they are already used widely in production though.
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201
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202 If you wish to use them together with mypy, you can simply drop `this plugin <https://gist.github.com/hynek/1e3844d0c99e479e716169034b5fa963#file-attrs_ng_plugin-py>`_ into your project.
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203
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204 Feel free to provide feedback to them in the linked issue #668.
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205
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206 We will release the ``attrs`` namespace once we have the feeling that the APIs have properly settled.
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207 `#668 <https://github.com/python-attrs/attrs/issues/668>`_
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208
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209
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210 Changes
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211 ^^^^^^^
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212
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213 - ``attr.s()`` now has a *field_transformer* hook that is called for all ``Attribute``\ s and returns a (modified or updated) list of ``Attribute`` instances.
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214 ``attr.asdict()`` has a *value_serializer* hook that can change the way values are converted.
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215 Both hooks are meant to help with data (de-)serialization workflows.
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216 `#653 <https://github.com/python-attrs/attrs/issues/653>`_
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217 - ``kw_only=True`` now works on Python 2.
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218 `#700 <https://github.com/python-attrs/attrs/issues/700>`_
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219 - ``raise from`` now works on frozen classes on PyPy.
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220 `#703 <https://github.com/python-attrs/attrs/issues/703>`_,
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221 `#712 <https://github.com/python-attrs/attrs/issues/712>`_
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222 - ``attr.asdict()`` and ``attr.astuple()`` now treat ``frozenset``\ s like ``set``\ s with regards to the *retain_collection_types* argument.
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223 `#704 <https://github.com/python-attrs/attrs/issues/704>`_
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224 - The type stubs for ``attr.s()`` and ``attr.make_class()`` are not missing the *collect_by_mro* argument anymore.
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225 `#711 <https://github.com/python-attrs/attrs/issues/711>`_
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226
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227 `Full changelog <https://www.attrs.org/en/stable/changelog.html>`_.
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228
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229 Credits
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230 =======
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231
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232 ``attrs`` is written and maintained by `Hynek Schlawack <https://hynek.me/>`_.
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233
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234 The development is kindly supported by `Variomedia AG <https://www.variomedia.de/>`_.
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235
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236 A full list of contributors can be found in `GitHub's overview <https://github.com/python-attrs/attrs/graphs/contributors>`_.
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237
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238 It’s the spiritual successor of `characteristic <https://characteristic.readthedocs.io/>`_ and aspires to fix some of it clunkiness and unfortunate decisions.
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239 Both were inspired by Twisted’s `FancyEqMixin <https://twistedmatrix.com/documents/current/api/twisted.python.util.FancyEqMixin.html>`_ but both are implemented using class decorators because `subclassing is bad for you <https://www.youtube.com/watch?v=3MNVP9-hglc>`_, m’kay?
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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240
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
241