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/audio_to_file.py | |
| parent | f874d7767cc1d70eb13add441124c4da9d637b4d (diff) | |
examples: replace OptionParser by ArgumentParser
Diffstat (limited to 'gr-audio/examples/python/audio_to_file.py')
| -rwxr-xr-x | gr-audio/examples/python/audio_to_file.py | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/gr-audio/examples/python/audio_to_file.py b/gr-audio/examples/python/audio_to_file.py index 6a2cbcb12e..b385abf925 100755 --- a/gr-audio/examples/python/audio_to_file.py +++ b/gr-audio/examples/python/audio_to_file.py @@ -23,37 +23,34 @@ from gnuradio import gr from gnuradio import audio from gnuradio import blocks -from gnuradio.eng_option import eng_option -from optparse import OptionParser +from gnuradio.eng_arg import eng_float +from argparse import ArgumentParser class my_top_block(gr.top_block): def __init__(self): gr.top_block.__init__(self) - usage="%prog: [options] output_filename" - parser = OptionParser(option_class=eng_option, usage=usage) - parser.add_option("-I", "--audio-input", type="string", default="", + parser = ArgumentParser() + parser.add_argument("-I", "--audio-input", default="", help="pcm input 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("-N", "--nsamples", type="eng_float", default=None, + parser.add_argument("-r", "--sample-rate", type=eng_float, default=48000, + help="set sample rate to RATE (%(default)r)") + parser.add_argument("-N", "--nsamples", type=eng_float, help="number of samples to collect [default=+inf]") + parser.add_argument('file_name', metavar='FILE-NAME', + help="Output file path") - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - raise SystemExit, 1 - filename = args[0] + args = parser.parse_args() - sample_rate = int(options.sample_rate) - src = audio.source (sample_rate, options.audio_input) - dst = blocks.file_sink (gr.sizeof_float, filename) + sample_rate = int(args.sample_rate) + src = audio.source(sample_rate, args.audio_input) + dst = blocks.file_sink(gr.sizeof_float, args.file_name) - if options.nsamples is None: + if args.nsamples is None: self.connect((src, 0), dst) else: - head = blocks.head(gr.sizeof_float, int(options.nsamples)) + head = blocks.head(gr.sizeof_float, int(args.nsamples)) self.connect((src, 0), head, dst) |