Source code for kombu.utils.text
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from difflib import SequenceMatcher
from kombu import version_info_t
from kombu.five import string_t
[docs]def fmatch_iter(needle, haystack, min_ratio=0.6):
for key in haystack:
ratio = SequenceMatcher(None, needle, key).ratio()
if ratio >= min_ratio:
yield ratio, key
[docs]def fmatch_best(needle, haystack, min_ratio=0.6):
try:
return sorted(
fmatch_iter(needle, haystack, min_ratio), reverse=True,
)[0][1]
except IndexError:
pass
[docs]def version_string_as_tuple(s):
v = _unpack_version(*s.split('.'))
# X.Y.3a1 -> (X, Y, 3, 'a1')
if isinstance(v.micro, string_t):
v = version_info_t(v.major, v.minor, *_splitmicro(*v[2:]))
# X.Y.3a1-40 -> (X, Y, 3, 'a1', '40')
if not v.serial and v.releaselevel and '-' in v.releaselevel:
v = version_info_t(*list(v[0:3]) + v.releaselevel.split('-'))
return v
def _unpack_version(major, minor=0, micro=0, releaselevel='', serial=''):
return version_info_t(int(major), int(minor), micro, releaselevel, serial)
def _splitmicro(micro, releaselevel='', serial=''):
for index, char in enumerate(micro):
if not char.isdigit():
break
else:
return int(micro or 0), releaselevel, serial
return int(micro[:index]), micro[index:], serial