30 lines
949 B
Python
30 lines
949 B
Python
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#! /usr/bin/env python
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#coding=utf-8
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from __future__ import print_function # python2 use print() function
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import pty
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import os
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import select
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def mkpty():
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# open pseudo terminal
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master1, slave = pty.openpty()
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slaveName1 = os.ttyname(slave)
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master2, slave = pty.openpty()
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slaveName2 = os.ttyname(slave)
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print('virtual serial port names: ', slaveName1, slaveName2)
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return master1, master2, slaveName1, slaveName2
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if __name__ == "__main__":
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master1, master2, slaveName1, slaveName2 = mkpty()
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while True:
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rl, wl, el = select.select([master1,master2], [], [], 1)
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for master in rl:
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data = os.read(master, 1024)
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if master==master1:
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print('from %s - [%d] %s' %(slaveName1, len(data), data))
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os.write(master2, data)
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else:
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print('from %s - [%d] %s' %(slaveName2, len(data), data))
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os.write(master1, data)
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