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# -*- coding: utf-8 -*-
"""
Interface for natsort to access fastnumbers functions without
having to worry if it is actually installed.
"""
from __future__ import absolute_import, division, print_function, unicode_literals
from distutils.version import StrictVersion
# If the user has fastnumbers installed, they will get great speed
# benefits. If not, we use the simulated functions that come with natsort.
try:
# noinspection PyPackageRequirements
from fastnumbers import fast_float, fast_int, __version__ as fn_ver
# Require >= version 2.0.0.
if StrictVersion(fn_ver) < StrictVersion("2.0.0"):
raise ImportError # pragma: no cover
except ImportError:
from natsort.compat.fake_fastnumbers import fast_float, fast_int # noqa: F401
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