1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
import doctest
import re
import unittest
from distutils.version import StrictVersion
from ..compat import (
HAS_BABEL,
HAS_NUMPY,
HAS_NUMPY_ARRAY_FUNCTION,
HAS_UNCERTAINTIES,
NUMPY_VER,
)
def requires_array_function_protocol():
if not HAS_NUMPY:
return unittest.skip("Requires NumPy")
return unittest.skipUnless(
HAS_NUMPY_ARRAY_FUNCTION, "Requires __array_function__ protocol to be enabled"
)
def requires_not_array_function_protocol():
if not HAS_NUMPY:
return unittest.skip("Requires NumPy")
return unittest.skipIf(
HAS_NUMPY_ARRAY_FUNCTION,
"Requires __array_function__ protocol to be unavailable or disabled",
)
def requires_numpy_previous_than(version):
if not HAS_NUMPY:
return unittest.skip("Requires NumPy")
return unittest.skipUnless(
StrictVersion(NUMPY_VER) < StrictVersion(version),
"Requires NumPy < %s" % version,
)
def requires_numpy_at_least(version):
if not HAS_NUMPY:
return unittest.skip("Requires NumPy")
return unittest.skipUnless(
StrictVersion(NUMPY_VER) >= StrictVersion(version),
"Requires NumPy >= %s" % version,
)
def requires_numpy():
return unittest.skipUnless(HAS_NUMPY, "Requires NumPy")
def requires_not_numpy():
return unittest.skipIf(HAS_NUMPY, "Requires NumPy not to be installed.")
def requires_babel():
return unittest.skipUnless(HAS_BABEL, "Requires Babel with units support")
def requires_not_babel():
return unittest.skipIf(HAS_BABEL, "Requires Babel not to be installed")
def requires_uncertainties():
return unittest.skipUnless(HAS_UNCERTAINTIES, "Requires Uncertainties")
def requires_not_uncertainties():
return unittest.skipIf(
HAS_UNCERTAINTIES, "Requires Uncertainties not to be installed."
)
_number_re = r"([-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)"
_q_re = re.compile(
r"<Quantity\("
+ r"\s*"
+ r"(?P<magnitude>%s)" % _number_re
+ r"\s*,\s*"
+ r"'(?P<unit>.*)'"
+ r"\s*"
+ r"\)>"
)
_sq_re = re.compile(
r"\s*" + r"(?P<magnitude>%s)" % _number_re + r"\s" + r"(?P<unit>.*)"
)
_unit_re = re.compile(r"<Unit\((.*)\)>")
class PintOutputChecker(doctest.OutputChecker):
def check_output(self, want, got, optionflags):
check = super().check_output(want, got, optionflags)
if check:
return check
try:
if eval(want) == eval(got):
return True
except Exception:
pass
for regex in (_q_re, _sq_re):
try:
parsed_got = regex.match(got.replace(r"\\", "")).groupdict()
parsed_want = regex.match(want.replace(r"\\", "")).groupdict()
v1 = float(parsed_got["magnitude"])
v2 = float(parsed_want["magnitude"])
if abs(v1 - v2) > abs(v1) / 1000:
return False
if parsed_got["unit"] != parsed_want["unit"]:
return False
return True
except Exception:
pass
cnt = 0
for regex in (_unit_re,):
try:
parsed_got, tmp = regex.subn("\1", got)
cnt += tmp
parsed_want, temp = regex.subn("\1", want)
cnt += tmp
if parsed_got == parsed_want:
return True
except Exception:
pass
if cnt:
# If there was any replacement, we try again the previous methods.
return self.check_output(parsed_want, parsed_got, optionflags)
return False
|
