From 5ede29efd4a00a9af2eb17cc536fbad739091ca7 Mon Sep 17 00:00:00 2001
From: DingZQ <zqding@hotmail.com>
Date: Mon, 2 Jun 2025 19:02:13 +0800
Subject: [PATCH] Add simulation informaiton to log

---
 epanet/epanet.py | 69 +++++++++---------------------------------------
 1 file changed, 12 insertions(+), 57 deletions(-)

diff --git a/epanet/epanet.py b/epanet/epanet.py
index acf42cd..8d67e59 100644
--- a/epanet/epanet.py
+++ b/epanet/epanet.py
@@ -4,6 +4,7 @@ import os
 import sys
 import json
 import base64
+from datetime import datetime
 import subprocess
 import logging
 from typing import Any
@@ -288,79 +289,33 @@ def run_project(name: str, readable_output: bool = False) -> str:
     inp = os.path.join(os.path.join(dir, 'db_inp'), input + '.inp')
     rpt = os.path.join(os.path.join(dir, 'temp'), input + '.rpt')
     opt = os.path.join(os.path.join(dir, 'temp'), input + '.opt')
+
     command = f'{exe} {inp} {rpt} {opt}'
-    print(command)
+    logging.info(f"Run simulation at {datetime.now()}")
+    logging.info(command)
 
     data = {}
 
     # DingZQ, 2025-06-02, 使用subprocess.Popen捕获输出到全局日志, 原来的代码是这么写的
-    # result = os.system(command)
-
-    """
-    执行带参数的外部exe并捕获输出到全局日志
-    
-    :param exe_path: exe文件路径
-    :param arguments: 命令行参数列表
-    :param timeout: 执行超时时间（秒）
-    :return: 进程退出状态码
-    """
-    result = -1
-    try:
-        # 启动子进程
-        with subprocess.Popen(
-            command,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.STDOUT, # 合并错误输出和标准输出
-            text=True,                # 文本模式（Python 3.7+）
-            bufsize=1,                # 行缓冲
-            encoding='utf-8',         # 编码设置
-            errors='replace'          # 编码错误处理方式
-        ) as process:
-            
-            # 实时读取输出流
-            while True:
-                output_line = process.stdout.readline()
-                error_line = process.stderr.readline()
-                if output_line == '' and process.poll() is not None:
-                    break
-
-                if error_line == '' and process.poll() is not None:
-                    break
-
-                if output_line:  
-                    stripped_line = output_line.rstrip()
-                    logging.info(f"EXE_OUTPUT: {stripped_line}")
-
-                if error_line:
-                    stripped_line = error_line.rstrip()
-                    logging.error(f"EXE_ERROR: {stripped_line}")
-            
-            # 获取退出状态码
-            returncode = process.poll()
-            
-            # 记录结束状态
-            logging.info("-" * 60)
-            if returncode == 0:
-                logging.info(f"成功结束! 退出码: {returncode}")
-            else:
-                logging.error(f"异常结束! 退出码: {returncode}")
-            
-            result = returncode
-        
-    except Exception as e:
-        logging.exception(f"执行过程中出错: {str(e)}")
-        result = -1  # 自定义错误码
+    result = os.system(command)
+    logging.info(f"Simulation result: {result}")
 
     if result != 0:
         data['simulation_result'] = 'failed'
+
+        logging.error('simulation failed')
+
     else:
         data['simulation_result'] = 'successful'
+        logging.info('simulation successful')
+
         if readable_output:
             data |= _dump_output(opt)
         else:
             data['output'] = dump_output_binary(opt)
 
     data['report'] = dump_report(rpt)
+    logging.info(f"Report: {data['report']}")
 
     return json.dumps(data)