Donato Capitella
15 lines
553 B
Python
15 lines
553 B
Python
import subprocess
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import tempfile
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def run_dialog(args):
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"""Runs dialog and returns stderr (selection line). Returns None if user cancelled."""
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with tempfile.NamedTemporaryFile(mode="w+") as tf:
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cmd = ["dialog"] + args
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try:
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# We don't trap stdout since dialog renders to TTY and writes choice to stderr
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subprocess.run(cmd, stderr=tf, check=True)
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tf.seek(0)
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return tf.read().strip()
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except subprocess.CalledProcessError:
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return None # User cancelled/pressed ESC
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