glfw.py 文件源码

def _load_library(library_names, library_file_extensions,
                  library_search_paths, version_check_callback):
    '''
    Finds, loads and returns the most recent version of the library.
    '''
    candidates = _find_library_candidates(library_names,
                                          library_file_extensions,
                                          library_search_paths)
    library_versions = []
    for filename in candidates:
        version = version_check_callback(filename)
        if version is not None and version >= (3, 0, 0):
            library_versions.append((version, filename))

    if not library_versions:
        return None
    library_versions.sort()
    return ctypes.CDLL(library_versions[-1][1])