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# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
# This file is licensed under the terms of the MIT License.
# See LICENSE.txt for details.
from importlib import import_module
import os.path
from pkgutil import iter_modules
from .. import algorithm
_ALGORITHMS_NAME = '_ALGORITHMS'
def refresh_algorithms():
all_algorithms = {}
for _, module_name, is_pkg in iter_modules([os.path.dirname(__file__)]):
if is_pkg:
continue
module = import_module('.' + module_name, __package__)
if hasattr(module, _ALGORITHMS_NAME):
module_algorithms = getattr(module, _ALGORITHMS_NAME)
for descr in module_algorithms:
assert isinstance(descr, algorithm.Algorithm)
assert descr.codename not in all_algorithms
all_algorithms[descr.codename] = descr
return all_algorithms
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