Drain is locked while reading an output of python (or other program) REPL about reproc HOT 4 CLOSED

Python needs stdin to be closed before it starts executing commands, just add process.close(reproc::stream::in); after you've finished writing all the input and it'll work.

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I added process.close as you told me, and it exits after the write, but my output string is empty... Furthermore, what if I wanted to keep sending input to the process, could I do it later?

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I guess this means sending a newline just isn't sufficient to make the repl interpret the written input from stdin. We would need the correct character sequence to make the python repl progress further to make this work. I'm a bit sceptical whether this is a reproc specific problem. If this is something generic and the solution can be applied to more than just python, I'd be happy to include some helper function to 'flush' the output to the subprocess so it gets interpreted. I checked and we do write all the input correctly to the pipe so that shouldn't be a problem I think.

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Closing this one as it's pretty old, feel free to comment if you're still having issues with this

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