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annotate env/lib/python3.7/site-packages/ruamel/yaml/scalarbool.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # coding: utf-8
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2
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3 from __future__ import print_function, absolute_import, division, unicode_literals
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4
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5 """
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6 You cannot subclass bool, and this is necessary for round-tripping anchored
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7 bool values (and also if you want to preserve the original way of writing)
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8
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9 bool.__bases__ is type 'int', so that is what is used as the basis for ScalarBoolean as well.
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10
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11 You can use these in an if statement, but not when testing equivalence
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12 """
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13
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14 from ruamel.yaml.anchor import Anchor
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15
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16 if False: # MYPY
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17 from typing import Text, Any, Dict, List # NOQA
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18
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19 __all__ = ['ScalarBoolean']
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20
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21 # no need for no_limit_int -> int
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22
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23
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24 class ScalarBoolean(int):
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25 def __new__(cls, *args, **kw):
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26 # type: (Any, Any, Any) -> Any
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27 anchor = kw.pop('anchor', None) # type: ignore
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28 b = int.__new__(cls, *args, **kw) # type: ignore
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29 if anchor is not None:
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30 b.yaml_set_anchor(anchor, always_dump=True)
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31 return b
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32
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33 @property
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34 def anchor(self):
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35 # type: () -> Any
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36 if not hasattr(self, Anchor.attrib):
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37 setattr(self, Anchor.attrib, Anchor())
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38 return getattr(self, Anchor.attrib)
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39
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40 def yaml_anchor(self, any=False):
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41 # type: (bool) -> Any
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42 if not hasattr(self, Anchor.attrib):
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43 return None
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44 if any or self.anchor.always_dump:
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45 return self.anchor
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46 return None
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47
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48 def yaml_set_anchor(self, value, always_dump=False):
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49 # type: (Any, bool) -> None
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50 self.anchor.value = value
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51 self.anchor.always_dump = always_dump