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occurred Aug 19, 2017 at 17:48

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occurred Aug 19, 2017 at 17:48

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edited Aug 13, 2017 at 20:35

Ishan Khare

1.8k
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I'm trying to create an execution environment/shell that will remotely execute on a server, which streams the stdout,err,in over the socket to be rendered in a browser. I currently have tried the approach of using subprocess.run with a PIPE. The Problem is that I get the stdout after the process has completed. What i want to achieve is to get a line-by-line, pseudo-terminal sort of implementation.

My current implementation

test.py

def greeter(): for _ in range(10): print('hello world') greeter()

and in the shell

>>> import subprocess >>> result = subprocess.run(['python3', 'test.py'], stdout=subprocess.PIPE) >>> print(result.stdout.decode('utf-8')) hello world hello world hello world hello world hello world hello world hello world hello world hello world hello world

If i try to attempt even this simple implementation with pty, how does one do it?

I'm trying to create an execution environment/shell that will remotely execute on a server, which streams the stdout,err,in over the socket to be rendered in a browser. I currently have tried the approach of using subprocess.run with a PIPE. The Problem is that I get the stdout after the process has completed. What i want to achieve is to get a line-by-line, pseudo-terminal sort of implementation.

My current implementation

test.py

def greeter(): for _ in range(10): print('hello world') greeter()

and in the shell

>>> import subprocess >>> result = subprocess.run(['python3', 'test.py'], stdout=subprocess.PIPE) >>> print(result.stdout.decode('utf-8'))

If i try to attempt even this simple implementation with pty, how does one do it?

I'm trying to create an execution environment/shell that will remotely execute on a server, which streams the stdout,err,in over the socket to be rendered in a browser. I currently have tried the approach of using subprocess.run with a PIPE. The Problem is that I get the stdout after the process has completed. What i want to achieve is to get a line-by-line, pseudo-terminal sort of implementation.

My current implementation

test.py

def greeter(): for _ in range(10): print('hello world') greeter()

and in the shell

>>> import subprocess >>> result = subprocess.run(['python3', 'test.py'], stdout=subprocess.PIPE) >>> print(result.stdout.decode('utf-8')) hello world hello world hello world hello world hello world hello world hello world hello world hello world hello world

If i try to attempt even this simple implementation with pty, how does one do it?

Source Link

asked Aug 13, 2017 at 20:27

Ishan Khare

1.8k
4
31
63

Use python's pty to create a live console

I'm trying to create an execution environment/shell that will remotely execute on a server, which streams the stdout,err,in over the socket to be rendered in a browser. I currently have tried the approach of using subprocess.run with a PIPE. The Problem is that I get the stdout after the process has completed. What i want to achieve is to get a line-by-line, pseudo-terminal sort of implementation.

My current implementation

test.py

def greeter(): for _ in range(10): print('hello world') greeter()

and in the shell

>>> import subprocess >>> result = subprocess.run(['python3', 'test.py'], stdout=subprocess.PIPE) >>> print(result.stdout.decode('utf-8'))

If i try to attempt even this simple implementation with pty, how does one do it?

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Use python's pty to create a live console