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fix multi thread app context (#868)

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Co-authored-by: jyong <jyong@dify.ai>
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Jyong 2023-08-16 15:39:31 +08:00 committed by GitHub
parent 948d64bbef
commit f207e180df
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1 changed files with 22 additions and 19 deletions
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41
api/core/indexing_runner.py
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@ -7,6 +7,7 @@ import time
import uuid
from typing import Optional, List, cast
from flask import current_app, Flask
from flask_login import current_user
from langchain.schema import Document
from langchain.text_splitter import RecursiveCharacterTextSplitter, TextSplitter
@ -522,7 +523,8 @@ class IndexingRunner:
sub_documents = all_documents[i:i + 10]
for doc in sub_documents:
document_format_thread = threading.Thread(target=self.format_qa_document, kwargs={
'tenant_id': tenant_id, 'document_node': doc, 'all_qa_documents': all_qa_documents})
'flask_app': current_app._get_current_object(), 'tenant_id': tenant_id, 'document_node': doc,
'all_qa_documents': all_qa_documents})
threads.append(document_format_thread)
document_format_thread.start()
for thread in threads:
@ -530,28 +532,29 @@ class IndexingRunner:
return all_qa_documents
return all_documents
def format_qa_document(self, tenant_id: str, document_node, all_qa_documents):
def format_qa_document(self, flask_app: Flask, tenant_id: str, document_node, all_qa_documents):
format_documents = []
if document_node.page_content is None or not document_node.page_content.strip():
return
try:
# qa model document
response = LLMGenerator.generate_qa_document(tenant_id, document_node.page_content)
document_qa_list = self.format_split_text(response)
qa_documents = []
for result in document_qa_list:
qa_document = Document(page_content=result['question'], metadata=document_node.metadata.copy())
doc_id = str(uuid.uuid4())
hash = helper.generate_text_hash(result['question'])
qa_document.metadata['answer'] = result['answer']
qa_document.metadata['doc_id'] = doc_id
qa_document.metadata['doc_hash'] = hash
qa_documents.append(qa_document)
format_documents.extend(qa_documents)
except Exception as e:
logging.exception(e)
with flask_app.app_context():
try:
# qa model document
response = LLMGenerator.generate_qa_document(tenant_id, document_node.page_content)
document_qa_list = self.format_split_text(response)
qa_documents = []
for result in document_qa_list:
qa_document = Document(page_content=result['question'], metadata=document_node.metadata.copy())
doc_id = str(uuid.uuid4())
hash = helper.generate_text_hash(result['question'])
qa_document.metadata['answer'] = result['answer']
qa_document.metadata['doc_id'] = doc_id
qa_document.metadata['doc_hash'] = hash
qa_documents.append(qa_document)
format_documents.extend(qa_documents)
except Exception as e:
logging.exception(e)
all_qa_documents.extend(format_documents)
all_qa_documents.extend(format_documents)
def _split_to_documents_for_estimate(self, text_docs: List[Document], splitter: TextSplitter,