__init__.py 文件源码

def _abs_import(module_name, full_path):
    import sys
    python_version = sys.version_info
    major = python_version[0]
    minor = python_version[1]
    if (major < 3) or (major == 3 and minor < 3):
        import imp
        return imp.load_source(module_name, full_path)
    elif (major == 3) and (minor < 5):
        from importlib.machinery import SourceFileLoader
        return SourceFileLoader(module_name, full_path).load_module()
    else:
        import importlib.util
        spec = importlib.util.spec_from_file_location(module_name, full_path)
        module = importlib.util.module_from_spec(spec)
        spec.loader.exec_module(module)
        return module
    pass