Source code for gluonts.nursery.glide._partition

# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License").
# You may not use this file except in compliance with the License.
# A copy of the License is located at
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#     http://www.apache.org/licenses/LICENSE-2.0
#
# or in the "license" file accompanying this file. This file is distributed
# on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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from collections.abc import Sequence
from functools import singledispatch


def divide_into(length, n):
    base_size, r = divmod(length, n)

    partition_length = [base_size] * n

    for idx in range(r):
        partition_length[idx] += 1

    return partition_length


[docs]@singledispatch def partition(xs, n): raise NotImplementedError( f"Type {type(xs)} has not implemeted `partition`." )
@partition.register def partition_sequence(xs: Sequence, n): slices = divide_into(len(xs), n) start = 0 partitions = [] for slice_length in slices: partitions.append(xs[start : start + slice_length]) start += slice_length return partitions