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# Copyright 2021 DeepMind Technologies Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Convenience functions for reading data."""
import io
import os
from typing import List
from alphafold.model import utils
import haiku as hk
import numpy as np
# Internal import (7716).
def casp_model_names(data_dir: str) -> List[str]:
params = os.listdir(os.path.join(data_dir, 'params'))
return [os.path.splitext(filename)[0] for filename in params]
def get_model_haiku_params(model_name: str, data_dir: str) -> hk.Params:
"""Get the Haiku parameters from a model name."""
path = os.path.join(data_dir, 'params', f'params_{model_name}.npz')
with open(path, 'rb') as f:
params = np.load(io.BytesIO(f.read()), allow_pickle=False)
return utils.flat_params_to_haiku(params)
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