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#!/usr/bin/env python # # This is a module that gathers a list of serial ports on POSIXy systems. # For some specific implementations, see also list_ports_linux, list_ports_osx # # This file is part of pySerial. https://github.com/pyserial/pyserial # (C) 2011-2015 Chris Liechti <cliechti@gmx.net> # # SPDX-License-Identifier: BSD-3-Clause """\ The ``comports`` function is expected to return an iterable that yields tuples of 3 strings: port name, human readable description and a hardware ID. As currently no method is known to get the second two strings easily, they are currently just identical to the port name. """ from __future__ import absolute_import import glob import sys import os from serial.tools import list_ports_common # try to detect the OS so that a device can be selected... plat = sys.platform.lower() if plat[:5] == 'linux': # Linux (confirmed) # noqa from serial.tools.list_ports_linux import comports elif plat[:6] == 'darwin': # OS X (confirmed) from serial.tools.list_ports_osx import comports elif plat == 'cygwin': # cygwin/win32 # cygwin accepts /dev/com* in many contexts # (such as 'open' call, explicit 'ls'), but 'glob.glob' # and bare 'ls' do not; so use /dev/ttyS* instead def comports(include_links=False): devices = glob.glob('/dev/ttyS*') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:7] == 'openbsd': # OpenBSD def comports(include_links=False): devices = glob.glob('/dev/cua*') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:3] == 'bsd' or plat[:7] == 'freebsd': def comports(include_links=False): devices = glob.glob('/dev/cua*[!.init][!.lock]') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:6] == 'netbsd': # NetBSD def comports(include_links=False): """scan for available ports. return a list of device names.""" devices = glob.glob('/dev/dty*') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:4] == 'irix': # IRIX def comports(include_links=False): """scan for available ports. return a list of device names.""" devices = glob.glob('/dev/ttyf*') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:2] == 'hp': # HP-UX (not tested) def comports(include_links=False): """scan for available ports. return a list of device names.""" devices = glob.glob('/dev/tty*p0') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:5] == 'sunos': # Solaris/SunOS def comports(include_links=False): """scan for available ports. return a list of device names.""" devices = glob.glob('/dev/tty*c') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] elif plat[:3] == 'aix': # AIX def comports(include_links=False): """scan for available ports. return a list of device names.""" devices = glob.glob('/dev/tty*') if include_links: devices.extend(list_ports_common.list_links(devices)) return [list_ports_common.ListPortInfo(d) for d in devices] else: # platform detection has failed... import serial sys.stderr.write("""\ don't know how to enumerate ttys on this system. ! I you know how the serial ports are named send this information to ! the author of this module: sys.platform = {!r} os.name = {!r} pySerial version = {} also add the naming scheme of the serial ports and with a bit luck you can get this module running... """.format(sys.platform, os.name, serial.VERSION)) raise ImportError("Sorry: no implementation for your platform ('{}') available".format(os.name)) # test if __name__ == '__main__': for port, desc, hwid in sorted(comports()): print("{}: {} [{}]".format(port, desc, hwid))
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