80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
import builtins
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import logging
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from collections.abc import Callable
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from importlib import import_module
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from typing import Optional
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from embedchain.config.base_config import BaseConfig
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from embedchain.helpers.json_serializable import register_deserializable
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@register_deserializable
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class ChunkerConfig(BaseConfig):
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"""
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Config for the chunker used in `add` method
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"""
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def __init__(
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self,
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chunk_size: Optional[int] = 2000,
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chunk_overlap: Optional[int] = 0,
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length_function: Optional[Callable[[str], int]] = None,
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min_chunk_size: Optional[int] = 0,
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):
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self.chunk_size = chunk_size
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self.chunk_overlap = chunk_overlap
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self.min_chunk_size = min_chunk_size
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if self.min_chunk_size >= self.chunk_size:
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raise ValueError(f"min_chunk_size {min_chunk_size} should be less than chunk_size {chunk_size}")
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if self.min_chunk_size < self.chunk_overlap:
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logging.warning(
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f"min_chunk_size {min_chunk_size} should be greater than chunk_overlap {chunk_overlap}, otherwise it is redundant." # noqa:E501
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)
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if isinstance(length_function, str):
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self.length_function = self.load_func(length_function)
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else:
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self.length_function = length_function if length_function else len
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@staticmethod
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def load_func(dotpath: str):
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if "." not in dotpath:
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return getattr(builtins, dotpath)
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else:
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module_, func = dotpath.rsplit(".", maxsplit=1)
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m = import_module(module_)
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return getattr(m, func)
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@register_deserializable
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class LoaderConfig(BaseConfig):
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"""
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Config for the loader used in `add` method
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"""
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def __init__(self):
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pass
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@register_deserializable
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class AddConfig(BaseConfig):
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"""
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Config for the `add` method.
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"""
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def __init__(
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self,
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chunker: Optional[ChunkerConfig] = None,
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loader: Optional[LoaderConfig] = None,
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):
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"""
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Initializes a configuration class instance for the `add` method.
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:param chunker: Chunker config, defaults to None
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:type chunker: Optional[ChunkerConfig], optional
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:param loader: Loader config, defaults to None
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:type loader: Optional[LoaderConfig], optional
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"""
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self.loader = loader
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self.chunker = chunker
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