regsetup.py 文件源码

def FindHelpPath(helpFile, helpDesc, searchPaths):
    # See if the current registry entry is OK
    import os, win32api, win32con
    try:
        key = win32api.RegOpenKey(win32con.HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\Help", 0, win32con.KEY_ALL_ACCESS)
        try:
            try:
                path = win32api.RegQueryValueEx(key, helpDesc)[0]
                if FileExists(os.path.join(path, helpFile)):
                    return os.path.abspath(path)
            except win32api.error:
                pass # no registry entry.
        finally:
            key.Close()
    except win32api.error:
        pass
    for pathLook in searchPaths:
        if FileExists(os.path.join(pathLook, helpFile)):
            return os.path.abspath(pathLook)
        pathLook = os.path.join(pathLook, "Help")
        if FileExists(os.path.join( pathLook, helpFile)):
            return os.path.abspath(pathLook)
    raise error("The help file %s can not be located" % helpFile)