为什么我突然有了弹跳的Python火箭? [英] Why do I suddenly have a bouncing Python rocket?

问题描述

最近，我对在OS X(10.10; Python 2.7.6)上运行的一些matplotlib代码进行了简单的更改，注释掉了一行设置我使用的后端

Recently, I made a simple change to some matplotlib code I run on OS X (10.10; Python 2.7.6), commenting out a single line that set the backend I use

#matplotlib.use('agg')

现在，只要我的代码正在运行，我就会在停靠栏中看到一个可弹跳的Python图标，该图标不显示UI，仅提供 Force Quit ... 作为命令:

Now, as long as my code is running, I get a bouncing Python icon in my dock, that presents no UI and only offers Force Quit... as an command:

通常，在没有任何用户界面的情况下继续弹跳的停靠图标是一件坏事".为什么我要得到它，这是我应该关注的事情吗?

Generally dock icons that continue bouncing without any UI are a "bad thing". Why am I getting this and is it something I should be concerned about?

推荐答案

不是坏事".当Python与GUI交互时，该图标出现在底座中. Agg 是非交互式的后端.使用agg时，您没有看到该图标，因为没有Python UI交互.

Not a "bad thing". The icon appears in the dock when Python interacts with the GUI. Agg is a non-interactive backend. With agg you did not see the icon since there was no Python UI interaction.

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