From ce2b0900fb619c27c51b1495197e5a95bde5e3c6 Mon Sep 17 00:00:00 2001
From: Jiří Pinkava <j-pi@seznam.cz>
Date: Sun, 29 May 2016 12:57:37 +0200
Subject: examples: replace OptionParser by ArgumentParser
---
gr-audio/examples/python/dial_tone.py | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)
(limited to 'gr-audio/examples/python/dial_tone.py')
diff --git a/gr-audio/examples/python/dial_tone.py b/gr-audio/examples/python/dial_tone.py
index c55d0d38dd..ebef8c01cb 100755
--- a/gr-audio/examples/python/dial_tone.py
+++ b/gr-audio/examples/python/dial_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
@@ -36,22 +36,19 @@ 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)")
- (options, args) = parser.parse_args()
- if len(args) != 0:
- parser.print_help()
- raise SystemExit, 1
-
- sample_rate = int(options.sample_rate)
+ parser.add_argument("-r", "--sample-rate", type=eng_float, default=48000,
+ help="set sample rate, default=%(default)s")
+ args = parser.parse_args()
+
+ sample_rate = int(args.sample_rate)
ampl = 0.1
src0 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 350, ampl)
src1 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 440, ampl)
- dst = audio.sink(sample_rate, options.audio_output)
+ dst = audio.sink(sample_rate, args.audio_output)
self.connect(src0, (dst, 0))
self.connect(src1, (dst, 1))
--
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