macos AppleScript - 系统事件错误：辅助设备的访问被禁用
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AppleScript - System Events Error : Access for assistive devices is disabled
提问by Tokytok
I have a problem with AppleScript and System Events.
我有 AppleScript 和系统事件的问题。
I have check "Enable access for assistive devices" in the “Universal Access” preference pane in System Preferences.
我在“系统偏好设置”的“通用访问”偏好设置面板中勾选了“启用辅助设备访问”。
When I try :
当我尝试：
arch -i386 osascript -e 'tell application "System Events" to get the position of every window of every process'
arch -i386 osascript -e '告诉应用程序“系统事件”获取每个进程的每个窗口的位置'
I have this error :
我有这个错误：
System Events got an error: Access for assistive devices is disabled. (-25211)
系统事件出错：辅助设备的访问被禁用。(-25211)
Do you have any idea ?
你有什么主意吗 ？
Thanks a lot
非常感谢
采纳答案by fanaugen
The problem is not the assistive devices. AppleScript seems to incorrectly return that error code when it tries to access windows of a process that can never have any windows (in my case it was "Google Chrome Helper").
问题不在于辅助设备。当 AppleScript 尝试访问一个永远不会有任何窗口的进程的窗口时，它似乎错误地返回了该错误代码（在我的情况下它是“Google Chrome Helper”）。
You need to catch the errors. This works for me:
您需要捕获错误。这对我有用：
tell application "System Events"
set procs to processes
set windowPositions to {}
repeat with proc in procs
try
if exists (window 1 of proc) then
repeat with w in windows of proc
copy w's position to the end of windowPositions
end repeat
end if
end try -- ignore errors
end repeat
end tell
return windowPositions
returning a list of coordinate pairs, such as {{1067, 22}, {31, 466}, {27, 56}, {63, 22}, {987, 22}} – is that what you were trying to get?
返回坐标对列表，例如 {{1067, 22}, {31, 466}, {27, 56}, {63, 22}, {987, 22}} – 这就是您想要得到的吗？
回答by IluTov
On Mac OS X 10.9 you actually get the same error when the AppleScript Editoris not allowed to use Accessibility.
在 Mac OS X 10.9 上，当AppleScript 编辑器不允许使用辅助功能时，您实际上会遇到相同的错误。
Here's how you enable it:
以下是启用它的方法：
Go to System Preferences> Security & Privacy> Privacy> Accessibility.
转到系统偏好设置>安全和隐私>隐私>辅助功能。
Then, just check the checkbox left to the AppleScript Editorand the error should be gone.
然后，只需选中AppleScript 编辑器左侧的复选框，错误就会消失。
回答by bluebinary
Similar to the post on this page about Mac OS X 10.9 (Mavericks), to resolve this issue on Mac OS X 10.8 (and likely on earlier versions of OS X also), you need to ensure that the "Enable access for assistive devices" option has been enabled in the Accessibility pane of System Preferences.
类似于此页面上关于 Mac OS X 10.9 (Mavericks) 的帖子，要在 Mac OS X 10.8（也可能在早期版本的 OS X 上）解决此问题，您需要确保“启用辅助设备的访问”选项已在系统偏好设置的辅助功能面板中启用。
