#!/usr/bin/env python3 """Display terminal output from NXT program.""" # # Copyright (C) 2024 Nicolas Schodet # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. # import argparse import nxt.locator import nxt.error import os.path import time p = argparse.ArgumentParser(description=__doc__) p.add_argument("-s", "--start", metavar="PROGRAM", help="start program (with .rxe extension if not given") p.add_argument("-q", "--quiet", action="store_true", help="output nothing while waiting") p.add_argument("-o", "--once", action="store_true", help="exit after program end") nxt.locator.add_arguments(p) options = p.parse_args() spinner = "-\\|/" spinning = False seen = False def out(message): print(message.rstrip(b"\0").decode("windows-1252")) with nxt.locator.find_with_options(options) as b: try: if options.start: prog = options.start if not os.path.splitext(prog)[1]: prog = prog + ".rxe" b.start_program(prog) while True: try: (inbox, message) = b.message_read(10, 0, True) if spinning: print("\b", end="") out(message) seen = True except nxt.error.EmptyMailboxError as e: if spinning: print("\b", end="") if not options.quiet: print("_", end="", flush=True) spinning = True time.sleep(0.05) seen = True except nxt.error.NoActiveProgramError: if spinning: print("\b", end="") if seen and options.once: break if not options.quiet: print(spinner[0], end="", flush=True) spinner = spinner[1:] + spinner[0] spinning = True time.sleep(0.2) except KeyboardInterrupt: pass