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1import math
2from typing import Union
4INF = float("inf")
5MINUS_INF = float("-inf")
6NaN = float("NaN")
9def floatToGoString(d):
10 d = float(d)
11 if d == INF:
12 return '+Inf'
13 elif d == MINUS_INF:
14 return '-Inf'
15 elif math.isnan(d):
16 return 'NaN'
17 else:
18 s = repr(d)
19 dot = s.find('.')
20 # Go switches to exponents sooner than Python.
21 # We only need to care about positive values for le/quantile.
22 if d > 0 and dot > 6:
23 mantissa = f'{s[0]}.{s[1:dot]}{s[dot + 1:]}'.rstrip('0.')
24 return f'{mantissa}e+0{dot - 1}'
25 return s
28def parse_version(version_str: str) -> tuple[Union[int, str], ...]:
29 version: list[Union[int, str]] = []
30 for part in version_str.split('.'):
31 try:
32 version.append(int(part))
33 except ValueError:
34 version.append(part)
36 return tuple(version)