import logging
from pip import main as pip_main

class PipInstaller():
    def __init__(self, pip_install_arg: str):
        self.pip_install_arg = pip_install_arg
        
    def install(self, package_name: str = None, requirements_path: str = None, mirror: str = None):
        args = ['install']
        if package_name:
            args.append(package_name)
        elif requirements_path:
            args.extend(['-r', requirements_path])
            
        if not mirror:
            mirror = 'https://mirrors.aliyun.com/pypi/simple/'
            
        args.extend(['--trusted-host', 'mirrors.aliyun.com', '-i', mirror])
        
        if self.pip_install_arg:
            args.extend(self.pip_install_arg.split())
            
        print(f"Pip 包管理器: {' '.join(args)}")
        
        result_code = pip_main(args)
        
        # 清除 pip.main 导致的多余的 logging handlers
        for handler in logging.root.handlers[:]:
            logging.root.removeHandler(handler)
        
        if result_code != 0:
            raise Exception(f"安装失败，错误码：{result_code}")