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#!/usr/bin/env python
from __future__ import annotations
import os
import subprocess
import sys
import urwid
factor_me = 362923067964327863989661926737477737673859044111968554257667
run_me = os.path.join(os.path.dirname(sys.argv[0]), "subproc2.py")
output_widget = urwid.Text(f"Factors of {factor_me:d}:\n")
edit_widget = urwid.Edit("Type anything or press enter to exit:")
frame_widget = urwid.Frame(
header=edit_widget,
body=urwid.Filler(output_widget, valign=urwid.BOTTOM),
focus_part="header",
)
def exit_on_enter(key: str | tuple[str, int, int, int]) -> None:
if key == "enter":
raise urwid.ExitMainLoop()
loop = urwid.MainLoop(frame_widget, unhandled_input=exit_on_enter)
def received_output(data: bytes) -> bool:
output_widget.set_text(output_widget.text + data.decode("utf8"))
return True
write_fd = loop.watch_pipe(received_output)
with subprocess.Popen( # noqa: S603
["python", "-u", run_me, str(factor_me)], # noqa: S607 # Example can be insecure
stdout=write_fd,
close_fds=True,
) as proc:
loop.run()
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