Xterm and node-pty input problem

[erhalv]

Environment details

• OS: Windows
• OS version: 10
• node-pty version: 0.9.0

Issue description

I'm not able to send data to the process that only listens for input (does not send data).
Spawning a python file with this code creates the issue:
input("")
With a python file like this it works:
input("Hello")

I'm spawning the python file like this:
const ptyProcess = pty.spawn(path.join(process.cwd(), "./python/python.exe"),["./test.py"]
The same issue occur when spawning a similar program written in C#.

I'm using the electron example provided in this repository (if you want to replicate this issue).

[Tyriar]

Not sure I'm understanding the problem? Maybe a screenshot would help?

[erhalv]

The issue seems to be that I'm not able to write to the pty process if it hasn't sent any data.
This is the changes i made to the electron example:

ptyProcess.write works when test.py contains:

input("test")

or

print("test")
input()

but does not work if test.py contains

input("")

[jerch]

Cannot repro this under linux. Is this a windows only issue by any chance?

[Tyriar]

@jerch it's Windows, I see python.exe

[bryphe]

It's possible this is the same issue @Eugeny encountered in #457 and fixed in #460 , if using node version 14+