pywinpty

import os import time from winpty import PtyProcess # Spawn a Python interpreter in a pseudo-terminal # For demonstration, we use 'python', but it could be 'cmd.exe' or 'powershell.exe' proc = PtyProcess.spawn('python') # Write some commands to the pseudo-terminal proc.write('import sys\r\n') proc.write('print("Hello from pywinpty!")\r\n') proc.write('print(sys.version)\r\n') proc.write('exit()\r\n') # Read output until the process exits output = [] while proc.isalive(): try: # read() in v3.0.0+ does not accept num_bytes; reads all available. chunk = proc.read().decode('utf-8', errors='ignore') if chunk: output.append(chunk) # Give the process a moment to produce more output, prevent busy-waiting time.sleep(0.01) except EOFError: break # Ensure all remaining output is read after process might have died but before stream closes # (though read() should ideally handle this) try: final_chunk = proc.read().decode('utf-8', errors='ignore') if final_chunk: output.append(final_chunk) except EOFError: pass proc.close() print("\n--- Captured Output ---") print(''.join(output)) # Example of sending a control character (e.g., Ctrl+C) # Uncomment to test, but will interrupt the spawned process # proc = PtyProcess.spawn('cmd.exe') # or 'python' # proc.sendcontrol('c') # Sends Ctrl+C # proc.close()