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- # -*- coding: utf-8 -*-
- from __future__ import absolute_import
-
- from difflib import SequenceMatcher
-
- from kombu import version_info_t
- from kombu.five import string_t
-
-
- 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
-
-
- 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
-
-
- 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
|
