防止django runserver崩溃或在保存修复程序上重新加载

问题描述

当我运行 ./manage.py runserver 时，它经常因我犯的错误而崩溃，例如复制/粘贴代码并保存，然后再进行修改或出现语法错误.然后，我必须重新运行服务器.

When I run ./manage.py runserver, it often crashes because of mistakes I make, e.g. copy/paste code and save before modifying it or having a syntax error. Then I have to rerun the server.

是否有可能使服务器仍在运行，然后在随后的保存中重新加载，这样我就不必再次手动运行服务器了?

Is it possible to somehow have the server still running and then reload on my subsequent save so I don't have to run the server manually again?

推荐答案

为此，我使用了一个简单的bash脚本.这是您可以使用的单线纸:

I use a simple bash script for this. Here's a one-liner you can use:

$ while true; do python manage.py runserver; sleep 2; done

这将等待2秒钟，然后尝试重新启动服务器.插入任何您认为合理的值.

That will wait 2 seconds before attempting to restart the server. Insert whatever you think is a sane value.

我通常将此脚本编写为名为 runserver.sh 的shell脚本，将其放在我的项目根目录(其中包含manage.py的同一目录)中，并将其添加到gitignore中.

I usually write this as a shell script named runserver.sh, put it in my project root (the same directory with manage.py in it) and add it to the gitignore.

while true; do
  echo "Re-starting Django runserver"
  python manage.py runserver
  sleep 2
done

如果执行此操作，请记住要 chmod + x runserver.sh ，然后可以使用以下命令执行它:

If you do this, remember to chmod +x runserver.sh, then you can execute it with:

./runserver.sh

使用 Ctrl-c Ctrl-c 退出.

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