610 lines
20 KiB
Python
610 lines
20 KiB
Python
"""
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Graph-related API routes
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Uses project context mechanism with server-side persistent state
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"""
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import os
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import traceback
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import threading
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from flask import request, jsonify
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from . import graph_bp
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from ..config import Config
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from ..services.ontology_generator import OntologyGenerator
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from ..services.graph_builder import GraphBuilderService
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from ..services.text_processor import TextProcessor
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from ..utils.file_parser import FileParser
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from ..utils.logger import get_logger
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from ..utils.locale import t, get_locale, set_locale
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from ..models.task import TaskManager, TaskStatus
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from ..models.project import ProjectManager, ProjectStatus
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# Get logger
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logger = get_logger('mirofish.api')
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def allowed_file(filename: str) -> bool:
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"""Check if the file extension is allowed"""
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if not filename or '.' not in filename:
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return False
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ext = os.path.splitext(filename)[1].lower().lstrip('.')
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return ext in Config.ALLOWED_EXTENSIONS
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# ============== Project management endpoints ==============
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@graph_bp.route('/project/<project_id>', methods=['GET'])
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def get_project(project_id: str):
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"""
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Get project details
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"""
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project = ProjectManager.get_project(project_id)
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if not project:
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return jsonify({
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"success": False,
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"error": t('api.projectNotFound', id=project_id)
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}), 404
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return jsonify({
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"success": True,
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"data": project.to_dict()
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})
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@graph_bp.route('/project/list', methods=['GET'])
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def list_projects():
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"""
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List all projects
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"""
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limit = request.args.get('limit', 50, type=int)
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projects = ProjectManager.list_projects(limit=limit)
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return jsonify({
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"success": True,
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"data": [p.to_dict() for p in projects],
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"count": len(projects)
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})
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@graph_bp.route('/project/<project_id>', methods=['DELETE'])
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def delete_project(project_id: str):
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"""
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Delete a project
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"""
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success = ProjectManager.delete_project(project_id)
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if not success:
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return jsonify({
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"success": False,
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"error": t('api.projectDeleteFailed', id=project_id)
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}), 404
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return jsonify({
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"success": True,
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"message": t('api.projectDeleted', id=project_id)
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})
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@graph_bp.route('/project/<project_id>/reset', methods=['POST'])
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def reset_project(project_id: str):
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"""
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Reset project status (used to rebuild the graph)
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"""
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project = ProjectManager.get_project(project_id)
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if not project:
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return jsonify({
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"success": False,
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"error": t('api.projectNotFound', id=project_id)
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}), 404
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# Reset to ontology-generated status
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if project.ontology:
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project.status = ProjectStatus.ONTOLOGY_GENERATED
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else:
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project.status = ProjectStatus.CREATED
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project.graph_id = None
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project.graph_build_task_id = None
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project.error = None
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ProjectManager.save_project(project)
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return jsonify({
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"success": True,
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"message": t('api.projectReset', id=project_id),
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"data": project.to_dict()
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})
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# ============== Endpoint 1: Upload files and generate ontology ==============
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@graph_bp.route('/ontology/generate', methods=['POST'])
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def generate_ontology():
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"""
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Endpoint 1: Upload files and generate ontology definition
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Request method: multipart/form-data
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Parameters:
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files: Uploaded files (PDF/MD/TXT), multiple allowed
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simulation_requirement: Simulation requirement description (required)
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project_name: Project name (optional)
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additional_context: Additional context (optional)
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Returns:
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{
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"success": true,
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"data": {
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"project_id": "proj_xxxx",
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"ontology": {
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"entity_types": [...],
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"edge_types": [...],
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"analysis_summary": "..."
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},
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"files": [...],
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"total_text_length": 12345
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}
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}
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"""
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try:
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logger.info("=== Starting ontology generation ===")
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# Get parameters
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simulation_requirement = request.form.get('simulation_requirement', '')
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project_name = request.form.get('project_name', 'Unnamed Project')
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additional_context = request.form.get('additional_context', '')
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logger.debug(f"Project name: {project_name}")
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logger.debug(f"Simulation requirement: {simulation_requirement[:100]}...")
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if not simulation_requirement:
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return jsonify({
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"success": False,
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"error": t('api.requireSimulationRequirement')
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}), 400
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# Get uploaded files
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uploaded_files = request.files.getlist('files')
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if not uploaded_files or all(not f.filename for f in uploaded_files):
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return jsonify({
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"success": False,
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"error": t('api.requireFileUpload')
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}), 400
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# Create project
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project = ProjectManager.create_project(name=project_name)
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project.simulation_requirement = simulation_requirement
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logger.info(f"Project created: {project.project_id}")
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# Save files and extract text
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document_texts = []
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all_text = ""
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for file in uploaded_files:
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if file and file.filename and allowed_file(file.filename):
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# Save file to project directory
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file_info = ProjectManager.save_file_to_project(
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project.project_id,
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file,
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file.filename
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)
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project.files.append({
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"filename": file_info["original_filename"],
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"size": file_info["size"]
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})
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# Extract text
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text = FileParser.extract_text(file_info["path"])
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text = TextProcessor.preprocess_text(text)
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document_texts.append(text)
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all_text += f"\n\n=== {file_info['original_filename']} ===\n{text}"
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if not document_texts:
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ProjectManager.delete_project(project.project_id)
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return jsonify({
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"success": False,
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"error": t('api.noDocProcessed')
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}), 400
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# Save extracted text
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project.total_text_length = len(all_text)
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ProjectManager.save_extracted_text(project.project_id, all_text)
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logger.info(f"Text extraction complete, total {len(all_text)} characters")
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# Generate ontology
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logger.info("Calling LLM to generate ontology definition...")
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generator = OntologyGenerator()
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ontology = generator.generate(
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document_texts=document_texts,
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simulation_requirement=simulation_requirement,
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additional_context=additional_context if additional_context else None
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)
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# Save ontology to project
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entity_count = len(ontology.get("entity_types", []))
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edge_count = len(ontology.get("edge_types", []))
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logger.info(f"Ontology generation complete: {entity_count} entity types, {edge_count} relationship types")
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project.ontology = {
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"entity_types": ontology.get("entity_types", []),
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"edge_types": ontology.get("edge_types", [])
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}
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project.analysis_summary = ontology.get("analysis_summary", "")
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project.status = ProjectStatus.ONTOLOGY_GENERATED
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ProjectManager.save_project(project)
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logger.info(f"=== Ontology generation complete === Project ID: {project.project_id}")
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return jsonify({
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"success": True,
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"data": {
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"project_id": project.project_id,
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"project_name": project.name,
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"ontology": project.ontology,
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"analysis_summary": project.analysis_summary,
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"files": project.files,
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"total_text_length": project.total_text_length
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}
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})
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except Exception as e:
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return jsonify({
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"success": False,
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"error": str(e),
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"traceback": traceback.format_exc()
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}), 500
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# ============== Endpoint 2: Build graph ==============
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@graph_bp.route('/build', methods=['POST'])
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def build_graph():
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"""
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Endpoint 2: Build graph from project_id
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Request (JSON):
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{
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"project_id": "proj_xxxx", // required, from endpoint 1
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"graph_name": "Graph name", // optional
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"chunk_size": 500, // optional, default 500
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"chunk_overlap": 50 // optional, default 50
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}
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Returns:
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{
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"success": true,
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"data": {
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"project_id": "proj_xxxx",
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"task_id": "task_xxxx",
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"message": "Graph build task started"
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}
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}
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"""
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try:
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logger.info("=== Starting graph build ===")
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# Check configuration
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errors = Config.get_graph_config_errors()
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if errors:
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logger.error(f"Configuration error: {errors}")
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return jsonify({
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"success": False,
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"error": t('api.configError', details="; ".join(errors))
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}), 500
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# Parse request
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data = request.get_json() or {}
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project_id = data.get('project_id')
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logger.debug(f"Request parameters: project_id={project_id}")
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if not project_id:
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return jsonify({
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"success": False,
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"error": t('api.requireProjectId')
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}), 400
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# Get project
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project = ProjectManager.get_project(project_id)
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if not project:
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return jsonify({
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"success": False,
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"error": t('api.projectNotFound', id=project_id)
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}), 404
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# Check project status
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force = data.get('force', False) # Force rebuild
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if project.status == ProjectStatus.CREATED:
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return jsonify({
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"success": False,
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"error": t('api.ontologyNotGenerated')
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}), 400
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if project.status == ProjectStatus.GRAPH_BUILDING and not force:
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return jsonify({
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"success": False,
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"error": t('api.graphBuilding'),
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"task_id": project.graph_build_task_id
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}), 400
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# If force rebuild, reset status
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if force and project.status in [ProjectStatus.GRAPH_BUILDING, ProjectStatus.FAILED, ProjectStatus.GRAPH_COMPLETED]:
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project.status = ProjectStatus.ONTOLOGY_GENERATED
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project.graph_id = None
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project.graph_build_task_id = None
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project.error = None
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# Get configuration
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graph_name = data.get('graph_name', project.name or 'MiroFish Graph')
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chunk_size = data.get('chunk_size', project.chunk_size or Config.DEFAULT_CHUNK_SIZE)
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chunk_overlap = data.get('chunk_overlap', project.chunk_overlap or Config.DEFAULT_CHUNK_OVERLAP)
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# Update project configuration
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project.chunk_size = chunk_size
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project.chunk_overlap = chunk_overlap
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# Get extracted text
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text = ProjectManager.get_extracted_text(project_id)
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if not text:
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return jsonify({
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"success": False,
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"error": t('api.textNotFound')
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}), 400
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# Get ontology
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ontology = project.ontology
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if not ontology:
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return jsonify({
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"success": False,
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"error": t('api.ontologyNotFound')
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}), 400
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# Create async task
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task_manager = TaskManager()
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task_id = task_manager.create_task(f"Build graph: {graph_name}")
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logger.info(f"Graph build task created: task_id={task_id}, project_id={project_id}")
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# Update project status
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project.status = ProjectStatus.GRAPH_BUILDING
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project.graph_build_task_id = task_id
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ProjectManager.save_project(project)
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# Capture locale before spawning background thread
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current_locale = get_locale()
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# Start background task
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def build_task():
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set_locale(current_locale)
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build_logger = get_logger('mirofish.build')
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try:
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build_logger.info(f"[{task_id}] Starting graph build...")
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task_manager.update_task(
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task_id,
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status=TaskStatus.PROCESSING,
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message=t('progress.initGraphService')
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)
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# Create graph builder service
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builder = GraphBuilderService()
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# Split into chunks
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task_manager.update_task(
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task_id,
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message=t('progress.textChunking'),
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progress=5
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)
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chunks = TextProcessor.split_text(
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text,
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chunk_size=chunk_size,
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overlap=chunk_overlap
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)
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total_chunks = len(chunks)
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# Create graph
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task_manager.update_task(
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task_id,
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message=t('progress.creatingZepGraph'),
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progress=10
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)
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graph_id = builder.create_graph(name=graph_name)
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# Update project graph_id
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project.graph_id = graph_id
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ProjectManager.save_project(project)
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# Set ontology
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task_manager.update_task(
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task_id,
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message=t('progress.settingOntology'),
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progress=15
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)
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builder.set_ontology(graph_id, ontology)
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# Add text (progress_callback signature: (msg, progress_ratio))
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def add_progress_callback(msg, progress_ratio):
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progress = 15 + int(progress_ratio * 40) # 15% - 55%
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task_manager.update_task(
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task_id,
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message=msg,
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progress=progress
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)
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task_manager.update_task(
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task_id,
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message=t('progress.addingChunks', count=total_chunks),
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progress=15
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)
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batch_size = Config.GRAPHITI_BATCH_SIZE if Config.GRAPH_BACKEND == 'graphiti' else 3
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episode_uuids = builder.add_text_batches(
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graph_id,
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chunks,
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batch_size=batch_size,
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progress_callback=add_progress_callback
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)
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# Wait for Zep processing to complete (poll each episode's processed status)
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task_manager.update_task(
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task_id,
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message=t('progress.waitingZepProcess'),
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progress=55
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)
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def wait_progress_callback(msg, progress_ratio):
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progress = 55 + int(progress_ratio * 35) # 55% - 90%
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task_manager.update_task(
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task_id,
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message=msg,
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progress=progress
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)
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builder._wait_for_episodes(episode_uuids, wait_progress_callback)
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# Fetch graph data
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task_manager.update_task(
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task_id,
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message=t('progress.fetchingGraphData'),
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progress=95
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)
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graph_data = builder.get_graph_data(graph_id)
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# Update project status
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project.status = ProjectStatus.GRAPH_COMPLETED
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ProjectManager.save_project(project)
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node_count = graph_data.get("node_count", 0)
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edge_count = graph_data.get("edge_count", 0)
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build_logger.info(f"[{task_id}] Graph build complete: graph_id={graph_id}, nodes={node_count}, edges={edge_count}")
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# Complete
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task_manager.update_task(
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task_id,
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status=TaskStatus.COMPLETED,
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message=t('progress.graphBuildComplete'),
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progress=100,
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result={
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"project_id": project_id,
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"graph_id": graph_id,
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"node_count": node_count,
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"edge_count": edge_count,
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"chunk_count": total_chunks
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}
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)
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except Exception as e:
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# Update project status to failed
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build_logger.error(f"[{task_id}] Graph build failed: {str(e)}")
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build_logger.debug(traceback.format_exc())
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project.status = ProjectStatus.FAILED
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project.error = str(e)
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ProjectManager.save_project(project)
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task_manager.update_task(
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task_id,
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status=TaskStatus.FAILED,
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message=t('progress.buildFailed', error=str(e)),
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error=traceback.format_exc()
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)
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# Start background thread
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thread = threading.Thread(target=build_task, daemon=True)
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thread.start()
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return jsonify({
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"success": True,
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"data": {
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"project_id": project_id,
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"task_id": task_id,
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"message": t('api.graphBuildStarted', taskId=task_id)
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}
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})
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except Exception as e:
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return jsonify({
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"success": False,
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"error": str(e),
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"traceback": traceback.format_exc()
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}), 500
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# ============== Task query endpoints ==============
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@graph_bp.route('/task/<task_id>', methods=['GET'])
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def get_task(task_id: str):
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"""
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Query task status
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"""
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task = TaskManager().get_task(task_id)
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if not task:
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return jsonify({
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"success": False,
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"error": t('api.taskNotFound', id=task_id)
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}), 404
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return jsonify({
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"success": True,
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"data": task.to_dict()
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})
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@graph_bp.route('/tasks', methods=['GET'])
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def list_tasks():
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"""
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List all tasks
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"""
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tasks = TaskManager().list_tasks()
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return jsonify({
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"success": True,
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"data": [t.to_dict() for t in tasks],
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"count": len(tasks)
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})
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# ============== Graph data endpoints ==============
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@graph_bp.route('/data/<graph_id>', methods=['GET'])
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def get_graph_data(graph_id: str):
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"""
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|
Get graph data (nodes and edges)
|
|
"""
|
|
try:
|
|
builder = GraphBuilderService()
|
|
graph_data = builder.get_graph_data(graph_id)
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"data": graph_data
|
|
})
|
|
|
|
except Exception as e:
|
|
return jsonify({
|
|
"success": False,
|
|
"error": str(e),
|
|
"traceback": traceback.format_exc()
|
|
}), 500
|
|
|
|
|
|
@graph_bp.route('/delete/<graph_id>', methods=['DELETE'])
|
|
def delete_graph(graph_id: str):
|
|
"""
|
|
Delete a Zep graph
|
|
"""
|
|
try:
|
|
builder = GraphBuilderService()
|
|
builder.delete_graph(graph_id)
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"message": t('api.graphDeleted', id=graph_id)
|
|
})
|
|
|
|
except Exception as e:
|
|
return jsonify({
|
|
"success": False,
|
|
"error": str(e),
|
|
"traceback": traceback.format_exc()
|
|
}), 500
|