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Run a python function (e.g., a test) in it's own process

Project description




  • You're developing a python extension OR
  • You're writing some C or C++ code, but decided to add some python bindings because you're more familiar with python unit testing libraries

Now this C/C++ code can fail in ways which Python code cannot. It can cause a segfault and take your whole Python process down. That means, that your testing library doesn't get to display it's results - you don't get told which tests fail.

The solution

decoupled runs your code in a separate process. If it crashes, this doesn't take down the parent process. Instead, a ChildCrashedError is raised in your parent process.

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