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comparison planemo/lib/python3.7/site-packages/virtualenv/config/convert.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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0:d30785e31577 1:56ad4e20f292
1 from __future__ import absolute_import, unicode_literals
2
3 import logging
4 import os
5
6
7 class TypeData(object):
8 def __init__(self, default_type, as_type):
9 self.default_type = default_type
10 self.as_type = as_type
11
12 def __repr__(self):
13 return "{}(base={}, as={})".format(self.__class__.__name__, self.default_type, self.as_type)
14
15 def convert(self, value):
16 return self.default_type(value)
17
18
19 class BoolType(TypeData):
20 BOOLEAN_STATES = {
21 "1": True,
22 "yes": True,
23 "true": True,
24 "on": True,
25 "0": False,
26 "no": False,
27 "false": False,
28 "off": False,
29 }
30
31 def convert(self, value):
32 if value.lower() not in self.BOOLEAN_STATES:
33 raise ValueError("Not a boolean: %s" % value)
34 return self.BOOLEAN_STATES[value.lower()]
35
36
37 class NoneType(TypeData):
38 def convert(self, value):
39 if not value:
40 return None
41 return str(value)
42
43
44 class ListType(TypeData):
45 def _validate(self):
46 """"""
47
48 def convert(self, value, flatten=True):
49 if isinstance(value, (str, bytes)):
50 value = filter(None, [x.strip() for x in value.splitlines()])
51 values = list(value)
52 result = []
53 for value in values:
54 sub_values = value.split(os.pathsep)
55 result.extend(sub_values)
56 converted = [self.as_type(i) for i in result]
57 return converted
58
59
60 def convert(value, as_type, source):
61 """Convert the value as a given type where the value comes from the given source"""
62 try:
63 return as_type.convert(value)
64 except Exception as exception:
65 logging.warning("%s failed to convert %r as %r because %r", source, value, as_type, exception)
66 raise
67
68
69 _CONVERT = {bool: BoolType, type(None): NoneType, list: ListType}
70
71
72 def get_type(action):
73 default_type = type(action.default)
74 as_type = default_type if action.type is None else action.type
75 return _CONVERT.get(default_type, TypeData)(default_type, as_type)
76
77
78 __all__ = (
79 "convert",
80 "get_type",
81 )