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db704cb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | # Copyright 2025 the LlamaFactory team.
#
# 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.
from ...utils.objects import StatefulBuffer
from ...utils.plugin import BasePlugin
from ...utils.types import BatchInfo, BatchInput, DataLoader
class BatchingPlugin(BasePlugin):
def compute_length(self, data_provider: DataLoader) -> int:
"""Compute the length of the batch generator.
The approximate length is used to calculate the lr schedule.
"""
raise NotImplementedError()
def fill_buffer(self, buffer: StatefulBuffer, batch_info: BatchInfo) -> None:
"""Fill the buffer with data."""
raise NotImplementedError()
def generate_batch(self, buffer: StatefulBuffer, batch_info: BatchInfo) -> list[BatchInput] | None:
"""Generate a batch from the buffer."""
raise NotImplementedError()
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