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31 lines
723 B
31 lines
723 B
"""Call external commands."""
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import curses
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import logging
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import subprocess
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def open_external_program(command):
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"""Call command as a subprocess, suspending curses rendering.
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The caller has to refresh whatever windows it manages after calling this
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method or garbage may be left on the screen.
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Returns:
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True if no exception occured.
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"""
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curses.nocbreak()
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curses.echo()
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curses.curs_set(1)
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result = True
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try:
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subprocess.run(command)
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except OSError as exc:
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logging.error(f"Failed to run '{command}': {exc}")
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result = False
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curses.mousemask(curses.ALL_MOUSE_EVENTS)
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curses.curs_set(0)
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curses.noecho()
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curses.cbreak()
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return result
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