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comparison env/lib/python3.7/site-packages/ruamel/yaml/scalarbool.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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-1:000000000000 0:26e78fe6e8c4
1 # coding: utf-8
2
3 from __future__ import print_function, absolute_import, division, unicode_literals
4
5 """
6 You cannot subclass bool, and this is necessary for round-tripping anchored
7 bool values (and also if you want to preserve the original way of writing)
8
9 bool.__bases__ is type 'int', so that is what is used as the basis for ScalarBoolean as well.
10
11 You can use these in an if statement, but not when testing equivalence
12 """
13
14 from ruamel.yaml.anchor import Anchor
15
16 if False: # MYPY
17 from typing import Text, Any, Dict, List # NOQA
18
19 __all__ = ['ScalarBoolean']
20
21 # no need for no_limit_int -> int
22
23
24 class ScalarBoolean(int):
25 def __new__(cls, *args, **kw):
26 # type: (Any, Any, Any) -> Any
27 anchor = kw.pop('anchor', None) # type: ignore
28 b = int.__new__(cls, *args, **kw) # type: ignore
29 if anchor is not None:
30 b.yaml_set_anchor(anchor, always_dump=True)
31 return b
32
33 @property
34 def anchor(self):
35 # type: () -> Any
36 if not hasattr(self, Anchor.attrib):
37 setattr(self, Anchor.attrib, Anchor())
38 return getattr(self, Anchor.attrib)
39
40 def yaml_anchor(self, any=False):
41 # type: (bool) -> Any
42 if not hasattr(self, Anchor.attrib):
43 return None
44 if any or self.anchor.always_dump:
45 return self.anchor
46 return None
47
48 def yaml_set_anchor(self, value, always_dump=False):
49 # type: (Any, bool) -> None
50 self.anchor.value = value
51 self.anchor.always_dump = always_dump