feat(batch_upload): 添加批量上传和处理文件功能,支持文件记录管理,优化API交互和错误处理逻辑(并发访问Milvus)

This commit is contained in:
Wenjie Zhang 2025-07-27 01:02:14 +08:00
parent 6e06102a12
commit 4f8e1e19e1
4 changed files with 389 additions and 73 deletions

316
scripts/batch_upload.py Normal file
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@ -0,0 +1,316 @@
import asyncio
import hashlib
import json
import pathlib
import httpx
import typer
from rich.console import Console
from rich.progress import Progress, SpinnerColumn, BarColumn, TextColumn, TimeElapsedColumn
app = typer.Typer()
console = Console()
async def login(client: httpx.AsyncClient, base_url: str, username: str, password: str) -> str | None:
"""Logs in to the API and returns the access token."""
try:
response = await client.post(
f"{base_url}/auth/token",
data={"username": username, "password": password},
)
response.raise_for_status()
return response.json().get("access_token")
except httpx.HTTPStatusError as e:
console.print(f"[bold red]Login failed: {e.response.status_code} - {e.response.text}[/bold red]")
return None
except httpx.RequestError as e:
console.print(f"[bold red]Login request failed: {e}[/bold red]")
return None
async def upload_file(
client: httpx.AsyncClient,
base_url: str,
db_id: str,
file_path: pathlib.Path,
) -> str | None:
"""Uploads a single file and returns its server-side path."""
try:
with open(file_path, "rb") as f:
files = {"file": (file_path.name, f, "application/octet-stream")}
response = await client.post(
f"{base_url}/knowledge/files/upload",
params={"db_id": db_id},
files=files,
timeout=300, # 5 minutes timeout for large files
)
response.raise_for_status()
return response.json().get("file_path")
except httpx.HTTPStatusError as e:
console.print(f"[bold red]Failed to upload {file_path.name}: {e.response.status_code} - {e.response.text}[/bold red]")
return None
except httpx.RequestError as e:
console.print(f"[bold red]Failed to upload {file_path.name}: {e}[/bold red]")
return None
async def process_document(
client: httpx.AsyncClient,
base_url: str,
db_id: str,
server_file_path: str,
) -> bool:
"""Triggers the processing of an uploaded file in the knowledge base."""
try:
response = await client.post(
f"{base_url}/knowledge/databases/{db_id}/documents",
json={"items": [server_file_path], "params": {"content_type": "file"}},
timeout=600, # 10 minutes timeout for processing
)
response.raise_for_status()
result = response.json()
# Check if the overall request was successful
if result.get("status") != "success":
console.print(f"[bold yellow]Processing warning for {server_file_path}: {result.get('message')}[/bold yellow]")
return False
# Check the specific file's processing status in the items array
items = result.get("items", [])
if not items:
console.print(f"[bold red]No processing result for {server_file_path}[/bold red]")
return False
# Since we only sent one file, check the first item
item = items[0]
# Check for both 'success' and 'done' status (different APIs might use different status values)
if item.get("status") in ["success", "done"]:
return True
else:
# Get more detailed error information
error_msg = item.get("message", "")
error_detail = item.get("detail", "")
error_reason = item.get("reason", "")
# Combine all available error information
error_info = []
if error_msg:
error_info.append(error_msg)
if error_detail:
error_info.append(error_detail)
if error_reason:
error_info.append(error_reason)
if not error_info:
error_info = ["Unknown error"]
full_error = " | ".join(error_info)
console.print(f"[bold red]Failed to process {server_file_path}: {full_error}[/bold red]")
# Also log the full item for debugging
console.print(f"[dim]Debug - Full item response: {item}[/dim]")
return False
except httpx.HTTPStatusError as e:
console.print(f"[bold red]Failed to process {server_file_path}: {e.response.status_code} - {e.response.text}[/bold red]")
return False
except httpx.RequestError as e:
console.print(f"[bold red]Failed to process {server_file_path}: {e}[/bold red]")
return False
async def worker(
semaphore: asyncio.Semaphore,
client: httpx.AsyncClient,
base_url: str,
db_id: str,
file_path: pathlib.Path,
file_hash: str,
progress: Progress,
upload_task_id: int,
process_task_id: int,
):
"""A worker task that uploads and then processes a single file."""
async with semaphore:
# 1. Upload file
server_file_path = await upload_file(client, base_url, db_id, file_path)
progress.update(upload_task_id, advance=1, postfix=f"Uploaded {file_path.name}")
if not server_file_path:
progress.update(process_task_id, advance=1) # Mark as processed to not hang the progress bar
return file_path, file_hash, "upload_failed"
# 2. Process file
success = await process_document(client, base_url, db_id, server_file_path)
progress.update(process_task_id, advance=1, postfix=f"Processed {file_path.name}")
return file_path, file_hash, "success" if success else "processing_failed"
def get_file_hash(file_path: pathlib.Path) -> str:
"""Calculate SHA256 hash of a file."""
hash_sha256 = hashlib.sha256()
with open(file_path, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_sha256.update(chunk)
return hash_sha256.hexdigest()
def load_processed_files(record_file: pathlib.Path) -> set[str]:
"""Load the set of processed file hashes from the record file."""
if not record_file.exists():
return set()
try:
with open(record_file) as f:
data = json.load(f)
return set(data.get('processed_files', []))
except (OSError, json.JSONDecodeError) as e:
console.print(f"[bold yellow]Warning: Could not load processed files record: {e}[/bold yellow]")
return set()
def save_processed_files(record_file: pathlib.Path, processed_files: set[str]):
"""Save the set of processed file hashes to the record file."""
# Ensure the directory exists
record_file.parent.mkdir(parents=True, exist_ok=True)
try:
with open(record_file, 'w') as f:
json.dump({'processed_files': list(processed_files)}, f, indent=2)
except OSError as e:
console.print(f"[bold red]Error: Could not save processed files record: {e}[/bold red]")
@app.command()
def main(
db_id: str = typer.Option(..., help="The ID of the knowledge base."),
directory: pathlib.Path = typer.Option(..., help="The directory containing files to upload.", exists=True, file_okay=False),
pattern: str = typer.Option("*.md", help="The glob pattern for files to upload (e.g., '*.pdf', '**/*.txt')."),
base_url: str = typer.Option("http://127.0.0.1:5050", help="The base URL of the API server."),
username: str = typer.Option(..., help="Admin username for login."),
password: str = typer.Option(..., help="Admin password for login."),
concurrency: int = typer.Option(4, help="The number of concurrent upload/process tasks."),
recursive: bool = typer.Option(False, "--recursive", "-r", help="Search for files recursively in subdirectories."),
record_file: pathlib.Path = typer.Option("scripts/tmp/batch_processed_files.txt", help="File to store processed files record."),
):
"""
Batch upload and process files into a Yuxi-Know knowledge base.
"""
console.print(f"[bold green]Starting batch upload for knowledge base: {db_id}[/bold green]")
# Load previously processed files
processed_files = load_processed_files(record_file)
console.print(f"Loaded {len(processed_files)} previously processed files from record.")
# Discover files
glob_method = directory.rglob if recursive else directory.glob
all_files = list(glob_method(pattern))
if not all_files:
console.print(f"[bold yellow]No files found in '{directory}' matching '{pattern}'. Aborting.[/bold yellow]")
raise typer.Exit()
# Filter out already processed files
files_to_upload = []
skipped_files = []
for file_path in all_files:
file_hash = get_file_hash(file_path)
if file_hash in processed_files:
skipped_files.append(file_path)
else:
files_to_upload.append((file_path, file_hash))
if not files_to_upload:
console.print(f"[bold green]All {len(all_files)} files have already been processed. Nothing to do.[/bold green]")
raise typer.Exit()
console.print(f"Found {len(all_files)} total files:")
console.print(f" - [green]New files to process:[/green] {len(files_to_upload)}")
console.print(f" - [blue]Already processed (skipped):[/blue] {len(skipped_files)}")
async def run():
async with httpx.AsyncClient() as client:
# Login
token = await login(client, base_url, username, password)
if not token:
raise typer.Exit(code=1)
client.headers = {"Authorization": f"Bearer {token}"}
# Setup concurrency and tasks
semaphore = asyncio.Semaphore(concurrency)
tasks = []
with Progress(
SpinnerColumn(),
TextColumn("[progress.description]{task.description}"),
BarColumn(),
TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
TimeElapsedColumn(),
TextColumn("{task.fields[postfix]}"),
console=console,
transient=True,
) as progress:
upload_task_id = progress.add_task("[bold blue]Uploading...", total=len(files_to_upload), postfix="")
process_task_id = progress.add_task("[bold cyan]Processing...", total=len(files_to_upload), postfix="")
for file_path, file_hash in files_to_upload:
task = asyncio.create_task(
worker(semaphore, client, base_url, db_id, file_path, file_hash, progress, upload_task_id, process_task_id)
)
tasks.append(task)
results = await asyncio.gather(*tasks)
# Summarize results and update processed files record
successful_files = []
upload_failures = []
processing_failures = []
newly_processed_hashes = set()
for file_path, file_hash, status in results:
if status == 'success':
successful_files.append(file_path)
newly_processed_hashes.add(file_hash)
elif status == 'upload_failed':
upload_failures.append(file_path)
elif status == 'processing_failed':
processing_failures.append(file_path)
# Don't add to processed files if processing failed
# Save newly processed files to record
if newly_processed_hashes:
all_processed_files = processed_files | newly_processed_hashes
save_processed_files(record_file, all_processed_files)
console.print(f"[bold green]Updated processed files record with {len(newly_processed_hashes)} new entries.[/bold green]")
console.print("[bold green]Batch operation complete.[/bold green]")
console.print(f" - [green]Successful:[/green] {len(successful_files)}")
console.print(f" - [red]Upload Failed:[/red] {len(upload_failures)}")
if upload_failures:
for f in upload_failures:
console.print(f" - {f}")
console.print(f" - [yellow]Processing Failed:[/yellow] {len(processing_failures)}")
if processing_failures:
for f in processing_failures:
console.print(f" - {f}")
asyncio.run(run())
"""
uv run scripts/batch_upload.py \
--db-id kb_845a9eedb211b349ddb3127ae9be2bfa \
--directory data.local/XXXX/ \
--pattern "*.html" \
--base-url http://172.19.13.5:5050/api \
--username zwj \
--password zwj12138 \
--concurrency 4 \
--recursive \
--record-file scripts/tmp/batch_processed_files.txt
"""
if __name__ == "__main__":
app()

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@ -72,7 +72,7 @@ async def update_database_info(
"""更新知识库信息"""
logger.debug(f"Update database {db_id} info: {name}, {description}")
try:
database = knowledge_base.update_database(db_id, name, description)
database = await knowledge_base.update_database(db_id, name, description)
return {"message": "更新成功", "database": database}
except Exception as e:
logger.error(f"更新数据库失败 {e}, {traceback.format_exc()}")
@ -83,7 +83,7 @@ async def delete_database(db_id: str, current_user: User = Depends(get_admin_use
"""删除知识库"""
logger.debug(f"Delete database {db_id}")
try:
knowledge_base.delete_database(db_id)
await knowledge_base.delete_database(db_id)
# 需要重新加载所有智能体,因为工具刷新了
from src.agents import agent_manager

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@ -1,6 +1,7 @@
import os
import json
import time
import asyncio
from typing import Any
from datetime import datetime
@ -32,6 +33,9 @@ class KnowledgeBaseManager:
# 全局数据库元信息 {db_id: metadata_with_kb_type}
self.global_databases_meta: dict[str, dict] = {}
# 元数据锁
self._metadata_lock = asyncio.Lock()
# 加载全局元数据
self._load_global_metadata()
@ -55,16 +59,13 @@ class KnowledgeBaseManager:
def _save_global_metadata(self):
"""保存全局元数据"""
meta_file = os.path.join(self.work_dir, "global_metadata.json")
try:
data = {
"databases": self.global_databases_meta,
"updated_at": datetime.now().isoformat(),
"version": "2.0" # 标识新版本
}
with open(meta_file, 'w', encoding='utf-8') as f:
json.dump(data, f, ensure_ascii=False, indent=2)
except Exception as e:
logger.error(f"Failed to save global metadata: {e}")
data = {
"databases": self.global_databases_meta,
"updated_at": datetime.now().isoformat(),
"version": "2.0"
}
with open(meta_file, 'w', encoding='utf-8') as f:
json.dump(data, f, ensure_ascii=False, indent=2)
def _initialize_existing_kbs(self):
"""初始化已存在的知识库实例"""
@ -139,7 +140,7 @@ class KnowledgeBaseManager:
return {"databases": all_databases}
def create_database(self, database_name: str, description: str, kb_type: str, embed_info: dict | None = None, **kwargs) -> dict:
async def create_database(self, database_name: str, description: str, kb_type: str, embed_info: dict | None = None, **kwargs) -> dict:
"""
创建数据库
@ -153,48 +154,44 @@ class KnowledgeBaseManager:
Returns:
数据库信息字典
"""
# 验证知识库类型
if not KnowledgeBaseFactory.is_type_supported(kb_type):
available_types = list(KnowledgeBaseFactory.get_available_types().keys())
raise ValueError(f"Unsupported knowledge base type: {kb_type}. Available types: {available_types}")
# 获取或创建对应类型的知识库实例
kb_instance = self._get_or_create_kb_instance(kb_type)
# 在知识库实例中创建数据库
db_info = kb_instance.create_database(database_name, description,
embed_info, **kwargs)
db_id = db_info["db_id"]
# 在全局元数据中记录
self.global_databases_meta[db_id] = {
"name": database_name,
"description": description,
"kb_type": kb_type,
"created_at": datetime.now().isoformat(),
"additional_params": kwargs.copy() # 将所有额外参数存储在additional_params中
}
self._save_global_metadata()
async with self._metadata_lock:
self.global_databases_meta[db_id] = {
"name": database_name,
"description": description,
"kb_type": kb_type,
"created_at": datetime.now().isoformat(),
"additional_params": kwargs.copy()
}
self._save_global_metadata()
logger.info(f"Created {kb_type} database: {database_name} ({db_id}) with {kwargs}")
return db_info
def delete_database(self, db_id: str) -> dict:
async def delete_database(self, db_id: str) -> dict:
"""删除数据库"""
try:
kb_instance = self._get_kb_for_database(db_id)
result = kb_instance.delete_database(db_id)
# 从全局元数据中删除
if db_id in self.global_databases_meta:
del self.global_databases_meta[db_id]
self._save_global_metadata()
async with self._metadata_lock:
if db_id in self.global_databases_meta:
del self.global_databases_meta[db_id]
self._save_global_metadata()
return result
except KBNotFoundError as e:
logger.warning(f"Database {db_id} not found during deletion: {e}")
return {"message": "删除成功"} # 兼容性:即使不存在也返回成功
return {"message": "删除成功"}
async def add_content(self, db_id: str, items: list[str], params: dict | None = None) -> list[dict]:
"""添加内容(文件/URL"""
@ -253,16 +250,16 @@ class KnowledgeBaseManager:
os.makedirs(general_uploads, exist_ok=True)
return general_uploads
def update_database(self, db_id: str, name: str, description: str) -> dict:
async def update_database(self, db_id: str, name: str, description: str) -> dict:
"""更新数据库"""
kb_instance = self._get_kb_for_database(db_id)
result = kb_instance.update_database(db_id, name, description)
# 同时更新全局元数据
if db_id in self.global_databases_meta:
self.global_databases_meta[db_id]["name"] = name
self.global_databases_meta[db_id]["description"] = description
self._save_global_metadata()
async with self._metadata_lock:
if db_id in self.global_databases_meta:
self.global_databases_meta[db_id]["name"] = name
self.global_databases_meta[db_id]["description"] = description
self._save_global_metadata()
return result

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@ -2,6 +2,7 @@ import os
import time
import traceback
import json
import asyncio
from pathlib import Path
from typing import Any
from datetime import datetime
@ -54,6 +55,9 @@ class MilvusKB(KnowledgeBase):
self.chunk_size = kwargs.get('chunk_size', 1000)
self.chunk_overlap = kwargs.get('chunk_overlap', 200)
# 元数据锁
self._metadata_lock = asyncio.Lock()
# 初始化连接
self._init_connection()
@ -240,64 +244,59 @@ class MilvusKB(KnowledgeBase):
processed_items_info = []
for item in items:
# 准备文件元数据
metadata = prepare_item_metadata(item, content_type, db_id)
file_id = metadata["file_id"]
filename = metadata["filename"]
# 添加文件记录
file_record = metadata.copy()
del file_record["file_id"] # 从记录中移除file_id因为它是key
self.files_meta[file_id] = file_record
self._save_metadata()
del file_record["file_id"]
async with self._metadata_lock:
self.files_meta[file_id] = file_record
self._save_metadata()
# 添加 file_id 到返回数据
file_record = file_record.copy()
file_record["file_id"] = file_id
try:
# 根据内容类型处理内容
if content_type == "file":
markdown_content = await self._process_file_to_markdown(item, params=params)
else: # URL
else:
markdown_content = await self._process_url_to_markdown(item, params=params)
# 分割文本成块
chunks = self._split_text_into_chunks(markdown_content, file_id, filename, params)
logger.info(f"Split {filename} into {len(chunks)} chunks")
# 准备 Milvus 插入的数据
if chunks:
# 生成嵌入向量
texts = [chunk["content"] for chunk in chunks]
embeddings = await embedding_function(texts)
# 准备插入数据
entities = [
[chunk["id"] for chunk in chunks], # id
[chunk["content"] for chunk in chunks], # content
[chunk["source"] for chunk in chunks], # source
[chunk["chunk_id"] for chunk in chunks], # chunk_id
[chunk["file_id"] for chunk in chunks], # file_id
[chunk["chunk_index"] for chunk in chunks], # chunk_index
embeddings # embedding
[chunk["id"] for chunk in chunks],
[chunk["content"] for chunk in chunks],
[chunk["source"] for chunk in chunks],
[chunk["chunk_id"] for chunk in chunks],
[chunk["file_id"] for chunk in chunks],
[chunk["chunk_index"] for chunk in chunks],
embeddings
]
# 插入到 Milvus
collection.insert(entities)
collection.flush()
def _insert_and_flush():
collection.insert(entities)
collection.flush()
await asyncio.to_thread(_insert_and_flush)
logger.info(f"Inserted {content_type} {item} into Milvus. Done.")
# 更新状态为完成
self.files_meta[file_id]["status"] = "done"
self._save_metadata()
async with self._metadata_lock:
self.files_meta[file_id]["status"] = "done"
self._save_metadata()
file_record['status'] = "done"
except Exception as e:
logger.error(f"处理{content_type} {item} 失败: {e}, {traceback.format_exc()}")
self.files_meta[file_id]["status"] = "failed"
self._save_metadata()
async with self._metadata_lock:
self.files_meta[file_id]["status"] = "failed"
self._save_metadata()
file_record['status'] = "failed"
processed_items_info.append(file_record)
@ -367,21 +366,25 @@ class MilvusKB(KnowledgeBase):
async def delete_file(self, db_id: str, file_id: str) -> None:
"""删除文件"""
collection = await self._get_milvus_collection(db_id)
if collection:
def _delete_from_milvus():
"""同步执行 Milvus 删除操作的辅助函数"""
try:
# 删除所有相关chunks
expr = f'file_id == "{file_id}"'
collection.delete(expr)
collection.flush()
logger.info(f"Deleted chunks for file {file_id} from Milvus")
except Exception as e:
logger.error(f"Error deleting file {file_id} from Milvus: {e}")
# 删除文件记录
if file_id in self.files_meta:
del self.files_meta[file_id]
self._save_metadata()
if collection:
await asyncio.to_thread(_delete_from_milvus)
# 使用锁确保元数据操作的原子性
async with self._metadata_lock:
if file_id in self.files_meta:
del self.files_meta[file_id]
self._save_metadata()
async def get_file_info(self, db_id: str, file_id: str) -> dict:
"""获取文件信息和chunks"""