英文:
Google Colab: CalledProcessError with %%python after %%shell
问题
我在Google Colab中使用%shell启动了一个单元格来运行一些Shell代码，然后尝试通过%%python切换回来运行Python代码，但无论我尝试运行什么代码，我总是在%%python之前的最后一个Shell命令处收到CalledProcessError错误，如何解决这个问题？我需要它们在同一个单元格中。
英文:
I started a Google Colab cell with %shell to run some shell code, then tried to run python code by switching back with %%python, but no matter what code I tried, I always get CalledProcessError for the last shell command before %%python, how to solve this? I need them to be in the same cell.
答案1
得分: 1
%%python 这一行被执行为一个 shell 命令，并导致初始错误。需要的是一种方法来退出 shell 并返回控制给单元格。使用 exit 会导致单元格完全退出。也许你可以像下面这样直接调用 python。
%%shell
echo "hello from shell"
python -c 'print("hello from Python")'
这将产生以下输出：
hello from shell
hello from Python
英文:
The %%python line is being executed as a shell command and leads to the initial error. What's needed is a way of logging out of the shell and returning control to the cell. Using exit causes the cell to exit completely. Perhaps you could call python directly as shown below.
%%shell
echo "hello from shell"
python -c 'print("hello from Python")'
This gives the following.
hello from shell
hello from Python
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