help.py 文件源码

def _ListAllHelpFilesInRoot(root):
    """Returns a list of (helpDesc, helpFname) for all registered help files
    """
    import regutil
    retList = []
    try:
        key = win32api.RegOpenKey(root, regutil.BuildDefaultPythonKey() + "\\Help", 0, win32con.KEY_READ)
    except win32api.error as exc:
        import winerror
        if exc.winerror!=winerror.ERROR_FILE_NOT_FOUND:
            raise
        return retList
    try:
        keyNo = 0
        while 1:
            try:
                helpDesc = win32api.RegEnumKey(key, keyNo)
                helpFile = win32api.RegQueryValue(key, helpDesc)
                retList.append((helpDesc, helpFile))
                keyNo = keyNo + 1
            except win32api.error as exc:
                import winerror
                if exc.winerror!=winerror.ERROR_NO_MORE_ITEMS:
                    raise
                break
    finally:
        win32api.RegCloseKey(key)
    return retList