52 lines
1.5 KiB
Python
Executable File
52 lines
1.5 KiB
Python
Executable File
#!/usr/bin/python
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#
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# ./term.py term.rom /bin/bash
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from select import select
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from subprocess import Popen, PIPE, STDOUT
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import sys
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# currently unbuffered
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#
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# TODO: figure out a more reasonable buffering strategy
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def run(args):
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return Popen(args, stdin=PIPE, stdout=PIPE, stderr=STDOUT, bufsize=0)
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def main():
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args = sys.argv[1:]
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if len(args) < 2:
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print('usage: %s ROM SHELL [ ARGS... ]')
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print('')
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print('execute the given uxn terminal program (ROM)')
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print('and start a shell process (SHELL + ARGS).')
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print('')
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print('example: %s term.rom /bin/bash -i' % sys.argv[0])
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sys.exit(1)
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term = run(['uxnemu', args[0]])
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term_out = term.stdout.fileno()
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shell = run(args[1:])
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shell_out = shell.stdout.fileno()
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while shell.poll() is None and term.poll() is None:
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# wait 100ms to see if anything is ready to write
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ns, _, _ = select([term_out, shell_out], [], [], 0.1)
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for n in ns:
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if n == term_out:
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shell.stdin.write(term.stdout.read(1))
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shell.stdin.flush()
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elif n == shell_out:
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term.stdin.write(shell.stdout.read(1))
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term.stdin.flush()
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else:
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raise Exception('unexpected fileno: %d (expected %d or %d)' % (n, term_out, shell_out))
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if shell.poll() is None:
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shell.kill()
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if term.poll() is None:
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term.kill()
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if __name__ == "__main__":
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main()
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