database-win-pkg/src/install/Common.py

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import os
import subprocess
import sys
from loguru import logger
class MyCustomError(Exception):
"""自定义异常"""
def __init__(self, message="发生了一个错误"):
# 调用基类的构造函数
super().__init__(message)
def ensure_dir(directory):
if not os.path.exists(directory):
os.makedirs(directory)
logger.info(f"目录 {directory} 已创建")
else:
logger.info(f"目录 {directory} 已存在")
def get_resource_path(relative_path):
""" 获取资源绝对路径适用于开发环境和PyInstaller打包后 """
if hasattr(sys, '_MEIPASS'):
# 打包后的资源路径sys._MEIPASS + 相对路径
base_path = sys._MEIPASS
else:
# 开发环境的基础路径
base_path = os.path.dirname(os.path.abspath(".."))
return os.path.join(base_path, relative_path)
def check_service_exist(service_name):
result = subprocess.run(['sc', 'query', service_name],
capture_output=True, text=True)
if '1060' in result.stdout: # 服务不存在
return False
return True
def start_service(service_name):
result = subprocess.run(['sc', 'query', service_name],
capture_output=True, text=True)
if 'RUNNING' in result.stdout:
logger.info(f"服务 {service_name} 已经在运行")
return True
else:
logger.info(f"服务 {service_name} 当前未运行")
logger.info("尝试启动服务...")
# 尝试启动服务
start_result = subprocess.run(['sc', 'start', service_name],
capture_output=True, text=True)
if start_result.returncode == 0:
logger.info(f"服务 {service_name} 启动成功")
return True
else:
logger.info(f"启动服务 {service_name} 失败: {start_result.stderr}")
return False
def start_service_if_not_running(service_name):
result = subprocess.run(['sc', 'query', service_name],
capture_output=True, text=True)
if 'RUNNING' in result.stdout:
logger.info(f"服务 {service_name} 已经在运行")
else:
logger.info(f"服务 {service_name} 当前未运行")
logger.info("尝试启动服务...")
# 尝试启动服务
start_result = subprocess.run(['sc', 'start', service_name],
capture_output=True, text=True)
if start_result.returncode == 0:
logger.info(f"服务 {service_name} 启动成功")
else:
logger.info(f"启动服务 {service_name} 失败: {start_result.stderr}")
raise MyCustomError(rf"服务 {service_name} 启动失败")