374 lines
14 KiB
Python
374 lines
14 KiB
Python
import logging
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import shutil
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import sys
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import time
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import uuid
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from datetime import datetime, timedelta
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from flask import Flask, request, jsonify, Response, stream_with_context, g
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import json
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import os
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from flask_app.main.download import download_file
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from flask_app.main.招标文件解析 import main_processing
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app = Flask(__name__)
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class CSTFormatter(logging.Formatter):
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"""自定义的 Formatter，将日志的时间戳调整为中国标准时间（UTC+8）"""
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def formatTime(self, record, datefmt=None):
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ct = datetime.fromtimestamp(record.created) + timedelta(hours=8)
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if datefmt:
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s = ct.strftime(datefmt)
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else:
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try:
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s = ct.strftime("%Y-%m-%d %H:%M:%S")
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if self.usesTime():
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s = f"{s},{record.msecs:03d}"
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except ValueError:
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s = ct.strftime("%Y-%m-%d %H:%M:%S")
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return s
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@app.before_request
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def before_request():
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# 每个请求开始前初始化 logger
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create_logger() # 确保这个函数中设置了 g.logger
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def create_logger():
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unique_id = str(uuid.uuid4())
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g.unique_id = unique_id
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output_folder = f"flask_app/static/output/{unique_id}"
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os.makedirs(output_folder, exist_ok=True)
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log_filename = "log.txt"
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log_path = os.path.join(output_folder, log_filename)
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logger = logging.getLogger(unique_id)
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if not logger.handlers:
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file_handler = logging.FileHandler(log_path)
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file_formatter = CSTFormatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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file_handler.setFormatter(file_formatter)
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logger.addHandler(file_handler)
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stream_handler = logging.StreamHandler()
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stream_handler.setFormatter(logging.Formatter('%(message)s'))
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logger.addHandler(stream_handler)
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logger.setLevel(logging.INFO)
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g.logger = logger
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# @app.route('/upload', methods=['POST'])
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# def zbparse():
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# logger=g.logger
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# file_url = validate_request()
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# if isinstance(file_url, tuple): # Check if the returned value is an error response
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# return file_url
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# try:
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# logger.info("starting parsing url:" + file_url)
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# final_json_path, output_folder= download_and_process_file(file_url)
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# if not final_json_path:
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# return jsonify({'error': 'File processing failed'}), 500
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# response = generate_response(final_json_path) # 先获取响应内容
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# # remove_directory(output_folder) # 然后删除文件夹
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# return response # 最后返回获取的响应
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# except Exception as e:
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# logger.error('Exception occurred: ' + str(e)) # 使用全局 logger 记录
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# return jsonify({'error': str(e)}), 500
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# 流式
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@app.route('/upload', methods=['POST'])
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def zbparse():
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logger = g.logger
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logger.info("start!!!")
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# 获取并显示接收到的 JSON 数据
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received_data = request.get_json()
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logger.info("Received JSON data: " + str(received_data))
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file_url = validate_request()
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if isinstance(file_url, tuple): # Check if the returned value is an error response
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return file_url
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try:
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logger.info("starting parsing url:" + file_url)
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return Response(stream_with_context(process_and_stream(file_url)), content_type='text/event-stream')
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except Exception as e:
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logger.error('Exception occurred: ' + str(e))
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return jsonify({'error': str(e)}), 500
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# 分段返回
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def process_and_stream(file_url):
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logger = g.logger
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unique_id = g.unique_id
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output_folder = f"flask_app/static/output/{unique_id}"
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filename = "ztbfile"
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downloaded_filename = os.path.join(output_folder, filename)
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downloaded_filepath, file_type = download_file(file_url, downloaded_filename)
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if downloaded_filepath is None or file_type == 3:
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logger.error("Unsupported file type or failed to download file")
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error_response = {
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'message': 'File processing failed',
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'filename': None,
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'data': json.dumps({'error': 'File processing failed'})
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}
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yield f"data: {json.dumps(error_response)}\n\n"
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return
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logger.info("Local file path: " + downloaded_filepath)
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combined_data = {}
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# 从 main_processing 获取数据
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for data in main_processing(output_folder, downloaded_filepath, file_type, unique_id):
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response = {
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'message': 'Processing',
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'filename': os.path.basename(downloaded_filepath),
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'data': data
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}
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# 日志记录和流式响应
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yield f"data: {json.dumps(response, ensure_ascii=False)}\n\n"
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if not data:
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logger.error(f"Empty data received: {data}")
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continue
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# 解析 data 作为 JSON 格式数据
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if not data.strip():
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logger.error("Received empty data, skipping JSON parsing.")
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else:
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try:
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parsed_data = json.loads(data)
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except json.JSONDecodeError as e:
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logger.error(f"Failed to decode JSON: {e}")
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logger.error(f"Data received: {data}")
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continue # 跳过该数据处理
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# 遍历 parsed_data 只提取内层内容进行合并
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for outer_key, inner_dict in parsed_data.items():
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if isinstance(inner_dict, dict):
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combined_data.update(inner_dict)
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# 等待所有数据都处理完后，发送整合后的完整数据
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complete_response = {
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'message': 'Combined data',
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'filename': os.path.basename(downloaded_filepath),
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'data': json.dumps(combined_data, ensure_ascii=False)
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}
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yield f"data: {json.dumps(complete_response, ensure_ascii=False)}\n\n"
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# 发送最终响应
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final_response = {
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'message': 'File uploaded and processed successfully',
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'filename': os.path.basename(downloaded_filepath),
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'data': 'END'
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}
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yield f"data: {json.dumps(final_response, ensure_ascii=False)}\n\n"
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def validate_request():
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if not request.is_json:
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return jsonify({'error': 'Missing JSON in request'}), 400
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file_url = request.json.get('file_url')
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if not file_url:
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return jsonify({'error': 'No file URL provided'}), 400
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return file_url
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def download_and_process_file(file_url):
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logger = g.logger
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unique_id = g.unique_id
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output_folder = f"flask_app/static/output/{unique_id}" # 直接使用全局 unique_id 构建路径
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filename = "ztbfile"
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downloaded_filename = os.path.join(output_folder, filename)
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# 下载文件，假设 download_file 函数已正确处理异常并返回文件路径
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downloaded_filepath, file_type = download_file(file_url, downloaded_filename)
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if downloaded_filepath is None or file_type == 3:
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logger.error("Unsupported file type or failed to download file")
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return None, output_folder
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logger.info("Local file path: " + downloaded_filepath)
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processed_file_path = main_processing(output_folder, downloaded_filepath, file_type, unique_id)
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return processed_file_path, output_folder
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@app.route('/api/test_zbparse', methods=['POST'])
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def test_zbparse():
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try:
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return Response(stream_with_context(test_process_and_stream()), content_type='text/event-stream')
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except Exception as e:
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app.logger.error('Exception occurred: ' + str(e))
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return jsonify({'error': str(e)}), 500
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def test_process_and_stream():
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# 模拟七段数据，每段包含指定的中文键名和更多详细数据
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data_segments = [
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{
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"base_info": {
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"基础信息": {
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"project_name": "测试项目1",
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"project_code": "TP001",
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"project_manager": "张三",
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"start_date": "2024-01-10",
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"end_date": "2024-12-31"
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}
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}
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},
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{
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"qualification_review": {
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"资格审查": {
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"review_criteria": ["公司资质", "过往业绩", "财务报表"],
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"required_documents": ["营业执照", "资质证书", "近三年财务报告"],
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"minimum_requirements": {
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"company_age": "至少5年",
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"past_projects": "至少3个大型项目"
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}
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}
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}
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},
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{
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"technical_standards": {
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"技术标": {
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"technical_requirements": ["设备质量要求", "施工工艺", "安全标准"],
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"materials_list": ["钢筋", "水泥", "电缆"],
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"equipment_specs": {
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"excavator": "型号X123",
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"concrete_mixer": "型号Y456"
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}
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}
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}
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},
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{
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"commercial_standards": {
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"商务标": {
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"pricing_method": "固定总价",
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"payment_schedule": ["30%合同签订", "40%中期支付", "30%项目完成支付"],
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"contract_conditions": {
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"warranty_period": "2年",
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"penalty_clauses": "延期每周罚款5%"
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}
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}
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}
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},
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{
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"invalid_requirements": {
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"无效标与废标项": {
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"common_issues": ["未按要求提交保证金", "技术标不达标"],
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"invalidation_reasons": {
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"missing_documents": "缺少必要文件",
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"unqualified_technical_specs": "技术规格不合要求"
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}
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}
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}
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},
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{
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"bidding_documents_requirements": {
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"投标文件要求": {
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"file_format": "PDF",
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"submission_deadline": "2024-08-01 17:00",
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"submission_location": "北京市某某大厦5楼",
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"required_sections": ["公司简介", "技术方案", "商务报价"]
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}
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}
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},
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{
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"opening_bid": {
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"开评定标流程": {
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"bid_opening_time": "2024-09-01 10:00",
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"location": "会议室A",
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"evaluation_criteria": ["价格", "技术能力", "项目经验"],
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"evaluation_process": {
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"first_round": "资格审查",
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"second_round": "技术评分",
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"final_round": "商务报价评定"
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}
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}
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}
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}
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]
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filename = "test_file.pdf"
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for i, data in enumerate(data_segments, 1):
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response = {
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'message': f'Processing segment {i}',
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'filename': filename,
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'data': data
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}
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yield f"data: {json.dumps(response, ensure_ascii=False)}\n\n"
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time.sleep(3) # 每隔5秒发送一段数据
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# 在结束信号之前发送完整的数据
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combined_data = {}
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for segment in data_segments:
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for outer_key, inner_dict in segment.items():
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# 获取内层字典的第一个（也是唯一的）键值对
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inner_key, inner_value = next(iter(inner_dict.items()))
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combined_data[inner_key] = inner_value
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# 发送完整的大字典
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complete_response = {
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'message': 'Combined data',
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'filename': filename,
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'data': combined_data
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}
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yield f"data: {json.dumps(complete_response, ensure_ascii=False)}\n\n"
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# 发送结束信号
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final_response = {
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'message': 'File processed successfully',
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'filename': filename,
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'data': 'END'
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}
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yield f"data: {json.dumps(final_response, ensure_ascii=False)}\n\n"
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def generate_response(final_json_path):
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logger = g.logger
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# 检查final_json_path是否为空或None
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if not final_json_path:
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logger.error('Empty or None path provided for final_json.')
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return jsonify({'error': 'No path provided for final_json.'}), 400
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if not os.path.exists(final_json_path):
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logger.error('final_json not found at path: ' + final_json_path)
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return jsonify({'error': 'final_json not found'}), 404
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with open(final_json_path, 'r', encoding='utf-8') as f:
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logger.info('final_json_path:' + final_json_path)
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zbparse_data = json.load(f)
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json_str = json.dumps(zbparse_data, ensure_ascii=False)
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return jsonify({
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'message': 'File uploaded and processed successfully',
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'filename': os.path.basename(final_json_path),
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'data': json_str
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})
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# @app.route('/get_json', methods=['POST'])
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# def testjson():
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# final_json_path="C:\\Users\\Administrator\\Desktop\\fsdownload\\temp4\\fd55f067-2cf6-475c-b7ce-4498f6606bf6\\final_result.json"
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# with open(final_json_path, 'r', encoding='utf-8') as f:
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# print('final_json_path:'+final_json_path)
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# zbparse_data = json.load(f)
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# json_str = json.dumps(zbparse_data, ensure_ascii=False)
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# print(json_str)
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# return jsonify({
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# 'message': 'File uploaded and processed successfully',
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# 'filename': os.path.basename(final_json_path),
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# 'data': json_str
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# })
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def remove_directory(path):
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logger = g.logger
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try:
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shutil.rmtree(path)
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logger.info(f"Successfully removed directory: {path}") # 使用全局 logger 记录
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except Exception as e:
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logger.error(f"Failed to remove directory {path}: {str(e)}") # 使用全局 logger 记录
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if __name__ == '__main__':
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app.run(debug=True, host='0.0.0.0', port=5000)
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