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21ed72b5a2
Usually, devtest is run via make (or ninja), and will use the correct Python interpreter. When running directly on the command line, it is important to pick the right Python interpreter so it will work with the Python API. Here, we change the default interpreter from Python 2 to 3, because that's the more common version, and will be the only option for upcoming UHD 4.0 anyway.
43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright 2015-2016 Ettus Research LLC
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# Copyright 2018 Ettus Research, a National Instruments Company
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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#
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""" Run uhd_find_devices and parse the output. """
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from __future__ import print_function
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import re
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import subprocess
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def get_usrp_list(device_filter=None, env=None):
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""" Returns a list of dicts that contain USRP info """
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try:
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cmd = ['uhd_find_devices']
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if device_filter is not None:
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cmd += ['--args', device_filter]
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output = subprocess.check_output(cmd, env=env, universal_newlines=True)
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except subprocess.CalledProcessError:
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return []
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split_re = "\n*-+\n-- .*\n-+\n"
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uhd_strings = re.split(split_re, output)
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result = []
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for uhd_string in uhd_strings:
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if not re.match("Device Address", uhd_string):
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continue
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this_result = {k: v for k, v in re.findall(" ([a-z]+): (.*)", uhd_string)}
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if this_result.get('reachable') == "No":
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continue
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args_string = ""
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try:
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args_string = "type={},serial={}".format(this_result['type'], this_result['serial'])
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except KeyError:
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continue
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this_result['args'] = args_string
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result.append(this_result)
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return result
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if __name__ == "__main__":
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print(get_usrp_list())
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print(get_usrp_list('type=x300'))
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