openrag/src/models/processors.py
2025-08-21 02:32:14 -04:00

202 lines
8.2 KiB
Python

from abc import ABC, abstractmethod
from typing import Any, Dict
from .tasks import UploadTask, FileTask
class TaskProcessor(ABC):
"""Abstract base class for task processors"""
@abstractmethod
async def process_item(self, upload_task: UploadTask, item: Any, file_task: FileTask) -> None:
"""
Process a single item in the task.
Args:
upload_task: The overall upload task
item: The item to process (could be file path, file info, etc.)
file_task: The specific file task to update
"""
pass
class DocumentFileProcessor(TaskProcessor):
"""Default processor for regular file uploads"""
def __init__(self, document_service, owner_user_id: str = None, jwt_token: str = None, owner_name: str = None, owner_email: str = None):
self.document_service = document_service
self.owner_user_id = owner_user_id
self.jwt_token = jwt_token
self.owner_name = owner_name
self.owner_email = owner_email
async def process_item(self, upload_task: UploadTask, item: str, file_task: FileTask) -> None:
"""Process a regular file path using DocumentService"""
# This calls the existing logic with user context
await self.document_service.process_single_file_task(
upload_task, item,
owner_user_id=self.owner_user_id,
jwt_token=self.jwt_token,
owner_name=self.owner_name,
owner_email=self.owner_email
)
class ConnectorFileProcessor(TaskProcessor):
"""Processor for connector file uploads"""
def __init__(self, connector_service, connection_id: str, files_to_process: list, user_id: str = None, owner_name: str = None, owner_email: str = None):
self.connector_service = connector_service
self.connection_id = connection_id
self.files_to_process = files_to_process
self.user_id = user_id
self.owner_name = owner_name
self.owner_email = owner_email
# Create lookup map for file info - handle both file objects and file IDs
self.file_info_map = {}
for f in files_to_process:
if isinstance(f, dict):
# Full file info objects
self.file_info_map[f['id']] = f
else:
# Just file IDs - will need to fetch metadata during processing
self.file_info_map[f] = None
async def process_item(self, upload_task: UploadTask, item: str, file_task: FileTask) -> None:
"""Process a connector file using ConnectorService"""
from models.tasks import TaskStatus
import time
file_id = item # item is the connector file ID
file_info = self.file_info_map.get(file_id)
# Get the connector and connection info
connector = await self.connector_service.get_connector(self.connection_id)
connection = await self.connector_service.connection_manager.get_connection(self.connection_id)
if not connector or not connection:
raise ValueError(f"Connection '{self.connection_id}' not found")
# Get file content from connector (the connector will fetch metadata if needed)
document = await connector.get_file_content(file_id)
# Use the user_id passed during initialization
if not self.user_id:
raise ValueError("user_id not provided to ConnectorFileProcessor")
# Process using existing pipeline
result = await self.connector_service.process_connector_document(document, self.user_id, connection.connector_type, owner_name=self.owner_name, owner_email=self.owner_email)
file_task.status = TaskStatus.COMPLETED
file_task.result = result
upload_task.successful_files += 1
class S3FileProcessor(TaskProcessor):
"""Processor for files stored in S3 buckets"""
def __init__(
self,
document_service,
bucket: str,
s3_client=None,
owner_user_id: str = None,
jwt_token: str = None,
owner_name: str = None,
owner_email: str = None,
):
import boto3
self.document_service = document_service
self.bucket = bucket
self.s3_client = s3_client or boto3.client("s3")
self.owner_user_id = owner_user_id
self.jwt_token = jwt_token
self.owner_name = owner_name
self.owner_email = owner_email
async def process_item(self, upload_task: UploadTask, item: str, file_task: FileTask) -> None:
"""Download an S3 object and process it using DocumentService"""
from models.tasks import TaskStatus
import tempfile
import os
import time
import asyncio
import datetime
from config.settings import INDEX_NAME, EMBED_MODEL, clients
from services.document_service import chunk_texts_for_embeddings
from utils.document_processing import process_document_sync
file_task.status = TaskStatus.RUNNING
file_task.updated_at = time.time()
tmp = tempfile.NamedTemporaryFile(delete=False)
try:
# Download object to temporary file
self.s3_client.download_fileobj(self.bucket, item, tmp)
tmp.flush()
loop = asyncio.get_event_loop()
slim_doc = await loop.run_in_executor(
self.document_service.process_pool, process_document_sync, tmp.name
)
opensearch_client = self.document_service.session_manager.get_user_opensearch_client(
self.owner_user_id, self.jwt_token
)
exists = await opensearch_client.exists(index=INDEX_NAME, id=slim_doc["id"])
if exists:
result = {"status": "unchanged", "id": slim_doc["id"]}
else:
texts = [c["text"] for c in slim_doc["chunks"]]
text_batches = chunk_texts_for_embeddings(texts, max_tokens=8000)
embeddings = []
for batch in text_batches:
resp = await clients.patched_async_client.embeddings.create(
model=EMBED_MODEL, input=batch
)
embeddings.extend([d.embedding for d in resp.data])
# Get object size
try:
obj_info = self.s3_client.head_object(Bucket=self.bucket, Key=item)
file_size = obj_info.get('ContentLength', 0)
except Exception:
file_size = 0
for i, (chunk, vect) in enumerate(zip(slim_doc["chunks"], embeddings)):
chunk_doc = {
"document_id": slim_doc["id"],
"filename": slim_doc["filename"],
"mimetype": slim_doc["mimetype"],
"page": chunk["page"],
"text": chunk["text"],
"chunk_embedding": vect,
"owner": self.owner_user_id,
"owner_name": self.owner_name,
"owner_email": self.owner_email,
"file_size": file_size,
"connector_type": "s3", # S3 uploads
"indexed_time": datetime.datetime.now().isoformat(),
}
chunk_id = f"{slim_doc['id']}_{i}"
try:
await opensearch_client.index(index=INDEX_NAME, id=chunk_id, body=chunk_doc)
except Exception as e:
print(f"[ERROR] OpenSearch indexing failed for S3 chunk {chunk_id}: {e}")
print(f"[ERROR] Chunk document: {chunk_doc}")
raise
result = {"status": "indexed", "id": slim_doc["id"]}
result["path"] = f"s3://{self.bucket}/{item}"
file_task.status = TaskStatus.COMPLETED
file_task.result = result
upload_task.successful_files += 1
except Exception as e:
file_task.status = TaskStatus.FAILED
file_task.error = str(e)
upload_task.failed_files += 1
finally:
tmp.close()
os.remove(tmp.name)
file_task.updated_at = time.time()