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3894de895b
### What problem does this PR solve? Add license statement. ### Type of change - [x] Refactoring Signed-off-by: Jin Hai <haijin.chn@gmail.com>
49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
#
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# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import re
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from graphrag.index import build_knowledge_graph_chunks
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from rag.app import naive
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from rag.nlp import rag_tokenizer, tokenize_chunks
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def chunk(filename, binary, tenant_id, from_page=0, to_page=100000,
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lang="Chinese", callback=None, **kwargs):
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parser_config = kwargs.get(
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"parser_config", {
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"chunk_token_num": 512, "delimiter": "\n!?;。；！？", "layout_recognize": True})
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eng = lang.lower() == "english"
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parser_config["layout_recognize"] = True
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sections = naive.chunk(filename, binary, from_page=from_page, to_page=to_page, section_only=True,
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parser_config=parser_config, callback=callback)
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chunks = build_knowledge_graph_chunks(tenant_id, sections, callback,
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parser_config.get("entity_types", ["organization", "person", "location", "event", "time"])
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)
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for c in chunks:
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c["docnm_kwd"] = filename
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doc = {
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"docnm_kwd": filename,
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"title_tks": rag_tokenizer.tokenize(re.sub(r"\.[a-zA-Z]+$", "", filename)),
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"knowledge_graph_kwd": "text"
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}
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doc["title_sm_tks"] = rag_tokenizer.fine_grained_tokenize(doc["title_tks"])
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chunks.extend(tokenize_chunks(sections, doc, eng))
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return chunks
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