diff options
| author | Jiří Pinkava <j-pi@seznam.cz> | 2016-06-26 13:04:37 +0200 |
|---|---|---|
| committer | Jiří Pinkava <j-pi@seznam.cz> | 2016-09-20 10:39:49 +0200 |
| commit | 48b155fcceffa20aec8c16d7227968e7ff126633 (patch) | |
| tree | acb5d319090857f8463dbde0c5e93c6b301b4495 /gr-audio/examples/python/mono_tone.py | |
| parent | f874d7767cc1d70eb13add441124c4da9d637b4d (diff) | |
examples: replace OptionParser by ArgumentParser
Diffstat (limited to 'gr-audio/examples/python/mono_tone.py')
| -rwxr-xr-x | gr-audio/examples/python/mono_tone.py | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/gr-audio/examples/python/mono_tone.py b/gr-audio/examples/python/mono_tone.py index ad73d62327..653fd575fc 100755 --- a/gr-audio/examples/python/mono_tone.py +++ b/gr-audio/examples/python/mono_tone.py @@ -22,8 +22,8 @@ from gnuradio import gr from gnuradio import audio -from gnuradio.eng_option import eng_option -from optparse import OptionParser +from gnuradio.eng_arg import eng_float +from argparse import ArgumentParser try: from gnuradio import analog @@ -40,27 +40,23 @@ class my_top_block(gr.top_block): def __init__(self): gr.top_block.__init__(self) - parser = OptionParser(option_class=eng_option) - parser.add_option("-O", "--audio-output", type="string", default="", + parser = ArgumentParser() + parser.add_argument("-O", "--audio-output", default="", help="pcm output device name. E.g., hw:0,0 or /dev/dsp") - parser.add_option("-r", "--sample-rate", type="eng_float", default=48000, - help="set sample rate to RATE (48000)") - parser.add_option("-D", "--dont-block", action="store_false", default=True, + parser.add_argument("-r", "--sample-rate", type=eng_float, default=48000, + help="set sample rate to RATE %(default)r)") + parser.add_argument("-D", "--dont-block", action="store_false", default=True, dest="ok_to_block") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - sample_rate = int(options.sample_rate) - ampl = 0.1 + args = parser.parse_args() + sample_rate = int(args.sample_rate) + ampl = 0.5 src0 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 650, ampl) dst = audio.sink(sample_rate, - options.audio_output, - options.ok_to_block) + args.audio_output, + args.ok_to_block) self.connect (src0, (dst, 0)) |