main.py 文件源码

def install_and_import(package):
    """@brief     Imports modules and installs them if they are not."""
    import importlib
    try:
        importlib.import_module(package)
    except ImportError:
        try:
            import pip
        except ImportError:
            print "no pip"
            os.system('python get_pip.py')
        finally:
            import pip
        pip.main(['install', package])
    finally:
        globals()[package] = importlib.import_module(package)


# these other ones I a am not so sure of. Thus the install function.