50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import hashlib
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class BaseChunker:
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def __init__(self, text_splitter):
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"""Initialize the chunker."""
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self.text_splitter = text_splitter
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def create_chunks(self, loader, src):
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"""
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Loads data and chunks it.
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:param loader: The loader which's `load_data` method is used to create
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the raw data.
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:param src: The data to be handled by the loader. Can be a URL for
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remote sources or local content for local loaders.
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"""
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documents = []
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ids = []
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idMap = {}
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datas = loader.load_data(src)
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metadatas = []
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for data in datas:
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content = data["content"]
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meta_data = data["meta_data"]
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url = meta_data["url"]
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chunks = self.get_chunks(content)
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for chunk in chunks:
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chunk_id = hashlib.sha256((chunk + url).encode()).hexdigest()
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if idMap.get(chunk_id) is None:
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idMap[chunk_id] = True
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ids.append(chunk_id)
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documents.append(chunk)
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metadatas.append(meta_data)
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return {
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"documents": documents,
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"ids": ids,
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"metadatas": metadatas,
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}
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def get_chunks(self, content):
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"""
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Returns chunks using text splitter instance.
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Override in child class if custom logic.
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"""
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return self.text_splitter.split_text(content)
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