Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/packaging/_compat.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 # This file is dual licensed under the terms of the Apache License, Version
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2 # 2.0, and the BSD License. See the LICENSE file in the root of this repository
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3 # for complete details.
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4 from __future__ import absolute_import, division, print_function
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5
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6 import sys
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7
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8 from ._typing import MYPY_CHECK_RUNNING
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9
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10 if MYPY_CHECK_RUNNING: # pragma: no cover
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11 from typing import Any, Dict, Tuple, Type
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12
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13
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14 PY2 = sys.version_info[0] == 2
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15 PY3 = sys.version_info[0] == 3
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16
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17 # flake8: noqa
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18
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19 if PY3:
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20 string_types = (str,)
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21 else:
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22 string_types = (basestring,)
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23
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24
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25 def with_metaclass(meta, *bases):
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26 # type: (Type[Any], Tuple[Type[Any], ...]) -> Any
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27 """
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28 Create a base class with a metaclass.
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29 """
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30 # This requires a bit of explanation: the basic idea is to make a dummy
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31 # metaclass for one level of class instantiation that replaces itself with
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32 # the actual metaclass.
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33 class metaclass(meta): # type: ignore
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34 def __new__(cls, name, this_bases, d):
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35 # type: (Type[Any], str, Tuple[Any], Dict[Any, Any]) -> Any
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36 return meta(name, bases, d)
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37
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38 return type.__new__(metaclass, "temporary_class", (), {})