version_info.py 文件源码

def get_lib_versions():
    versions = {}
    #PIL
    try:
        from PIL import Image
        versions["PIL"] = Image.VERSION
    except ImportError:
        try:
            import Image
            versions["PIL"] = Image.VERSION
        except ImportError:
            versions["PIL"] = "Not found!"

    #PLY
    try:
        from ply import lex
        versions["PLY"] = lex.__version__
    except ImportError:
        versions["PLY"] = "Not found!"

    return versions