dist_test.py

#!/usr/bin/env python3

from pip._vendor import packaging
from packaging.specifiers import SpecifierSet

tests_good = [
    '0.99999999',
    '0.999999999',
    '1.0b9',
    '1.0b10',
    '1.0',
]
tests_bad = [
    '0.9999999',
    '1.0b8',
]
def test_ver(spec, ver):
    ss = SpecifierSet(spec)
    return ver in ss
def test_versions(spec, versions):
    for v in versions:
        print ('%r: %r' % (v, test_ver(spec, v)))

test_versions('>=0.99999999pre,!=1.0b1,!=1.0b2,!=1.0b3,!=1.0b4,!=1.0b5,!=1.0b6,!=1.0b7,!=1.0b8', tests_good + tests_bad)

print ()

test_versions('>=0.99999999,!=1.0b1,!=1.0b2,!=1.0b3,!=1.0b4,!=1.0b5,!=1.0b6,!=1.0b7,!=1.0b8', tests_good + tests_bad)

output.txt

'0.99999999': True
'0.999999999': True
'1.0b9': True
'1.0b10': True
'1.0': True
'0.9999999': False
'1.0b8': False

'0.99999999': True
'0.999999999': True
'1.0b9': False
'1.0b10': False
'1.0': True
'0.9999999': False
'1.0b8': False