ref: a5004903baa9425da41248927668bbf6f35975a8
parent: 2bf530e070a005629fe0985a4945c491c4c8889a
author: Paul Brossier <piem@piem.org>
date: Sun Apr 16 07:38:10 EDT 2017
python/lib/aubio/cut.py: upgrade to argparse
--- a/python/lib/aubio/cut.py
+++ b/python/lib/aubio/cut.py
@@ -5,77 +5,79 @@
"""
import sys
+import argparse
def parse_args():
- from optparse import OptionParser
usage = "usage: %s [options] -i soundfile" % sys.argv[0]
usage += "\n help: %s -h" % sys.argv[0]
- parser = OptionParser(usage=usage)
- parser.add_option("-i", "--input", action = "store", dest = "source_file",+ parser = argparse.ArgumentParser()
+ parser.add_argument("source_file", default=None, nargs='?',help="input sound file to analyse", metavar = "<source_file>")
- parser.add_option("-O","--onset-method",+ parser.add_argument("-i", "--input", action = "store", dest = "source_file2",+ help="input sound file to analyse", metavar = "<source_file>")
+ parser.add_argument("-O","--onset-method",action="store", dest="onset_method", default='default',
metavar = "<onset_method>",
help="onset detection method [default=default] \
complexdomain|hfc|phase|specdiff|energy|kl|mkl")
# cutting methods
- parser.add_option("-b","--beat",+ parser.add_argument("-b","--beat",action="store_true", dest="beat", default=False,
help="use beat locations")
"""
- parser.add_option("-S","--silencecut",+ parser.add_argument("-S","--silencecut",action="store_true", dest="silencecut", default=False,
help="use silence locations")
- parser.add_option("-s","--silence",+ parser.add_argument("-s","--silence",metavar = "<value>",
action="store", dest="silence", default=-70,
help="silence threshold [default=-70]")
"""
# algorithm parameters
- parser.add_option("-r", "--samplerate",- metavar = "<freq>", type='int',
+ parser.add_argument("-r", "--samplerate",+ metavar = "<freq>", type=int,
action="store", dest="samplerate", default=0,
help="samplerate at which the file should be represented")
- parser.add_option("-B","--bufsize",+ parser.add_argument("-B","--bufsize",action="store", dest="bufsize", default=512,
- metavar = "<size>", type='int',
+ metavar = "<size>", type=int,
help="buffer size [default=512]")
- parser.add_option("-H","--hopsize",- metavar = "<size>", type='int',
+ parser.add_argument("-H","--hopsize",+ metavar = "<size>", type=int,
action="store", dest="hopsize", default=256,
help="overlap size [default=256]")
- parser.add_option("-t","--onset-threshold",- metavar = "<value>", type="float",
+ parser.add_argument("-t","--onset-threshold",+ metavar = "<value>", type=float,
action="store", dest="threshold", default=0.3,
help="onset peak picking threshold [default=0.3]")
- parser.add_option("-c","--cut",+ parser.add_argument("-c","--cut",action="store_true", dest="cut", default=False,
help="cut input sound file at detected labels \
best used with option -L")
# minioi
- parser.add_option("-M","--minioi",- metavar = "<value>", type='string',
+ parser.add_argument("-M","--minioi",+ metavar = "<value>", type=str,
action="store", dest="minioi", default="12ms",
help="minimum inter onset interval [default=12ms]")
"""
- parser.add_option("-D","--delay",- action = "store", dest = "delay", type = "float",
+ parser.add_argument("-D","--delay",+ action = "store", dest = "delay", type = float,
metavar = "<seconds>", default=0,
help="number of seconds to take back [default=system]\
default system delay is 3*hopsize/samplerate")
- parser.add_option("-C","--dcthreshold",+ parser.add_argument("-C","--dcthreshold",metavar = "<value>",
action="store", dest="dcthreshold", default=1.,
help="onset peak picking DC component [default=1.]")
- parser.add_option("-L","--localmin",+ parser.add_argument("-L","--localmin",action="store_true", dest="localmin", default=False,
help="use local minima after peak detection")
- parser.add_option("-d","--derivate",+ parser.add_argument("-d","--derivate",action="store_true", dest="derivate", default=False,
help="derivate onset detection function")
- parser.add_option("-z","--zerocross",+ parser.add_argument("-z","--zerocross",metavar = "<value>",
action="store", dest="zerothres", default=0.008,
help="zero-crossing threshold for slicing [default=0.00008]")
@@ -82,66 +84,67 @@
"""
# plotting functions
"""
- parser.add_option("-p","--plot",+ parser.add_argument("-p","--plot",action="store_true", dest="plot", default=False,
help="draw plot")
- parser.add_option("-x","--xsize",+ parser.add_argument("-x","--xsize",metavar = "<size>",
action="store", dest="xsize", default=1.,
- type='float', help="define xsize for plot")
- parser.add_option("-y","--ysize",+ type=float, help="define xsize for plot")
+ parser.add_argument("-y","--ysize",metavar = "<size>",
action="store", dest="ysize", default=1.,
- type='float', help="define ysize for plot")
- parser.add_option("-f","--function",+ type=float, help="define ysize for plot")
+ parser.add_argument("-f","--function",action="store_true", dest="func", default=False,
help="print detection function")
- parser.add_option("-n","--no-onsets",+ parser.add_argument("-n","--no-onsets",action="store_true", dest="nplot", default=False,
help="do not plot detected onsets")
- parser.add_option("-O","--outplot",+ parser.add_argument("-O","--outplot",metavar = "<output_image>",
action="store", dest="outplot", default=None,
help="save plot to output.{ps,png}")- parser.add_option("-F","--spectrogram",+ parser.add_argument("-F","--spectrogram",action="store_true", dest="spectro", default=False,
help="add spectrogram to the plot")
"""
- parser.add_option("-o","--output", type = str,+ parser.add_argument("-o","--output", type = str,metavar = "<outputdir>",
action="store", dest="output_directory", default=None,
help="specify path where slices of the original file should be created")
- parser.add_option("--cut-until-nsamples", type = int,+ parser.add_argument("--cut-until-nsamples", type = int,metavar = "<samples>",
action = "store", dest = "cut_until_nsamples", default = None,
help="how many extra samples should be added at the end of each slice")
- parser.add_option("--cut-every-nslices", type = int,+ parser.add_argument("--cut-every-nslices", type = int,metavar = "<samples>",
action = "store", dest = "cut_every_nslices", default = None,
help="how many slices should be groupped together at each cut")
- parser.add_option("--cut-until-nslices", type = int,+ parser.add_argument("--cut-until-nslices", type = int,metavar = "<slices>",
action = "store", dest = "cut_until_nslices", default = None,
help="how many extra slices should be added at the end of each slice")
- parser.add_option("-v","--verbose",+ parser.add_argument("-v","--verbose",action="store_true", dest="verbose", default=True,
help="make lots of noise [default]")
- parser.add_option("-q","--quiet",+ parser.add_argument("-q","--quiet",action="store_false", dest="verbose", default=True,
help="be quiet")
- (options, args) = parser.parse_args()
- if not options.source_file:
- if len(args) == 1:
- options.source_file = args[0]
- else:
- print ("no file name given\n" + usage)- sys.exit(1)
- return options, args
+ args = parser.parse_args()
+ if not args.source_file and not args.source_file2:
+ sys.stderr.write("Error: no file name given\n")+ parser.print_help()
+ sys.exit(1)
+ elif args.source_file2 is not None:
+ args.source_file = args.source_file2
+ return args
def main():
- options, args = parse_args()
+ options = parse_args()
+ source_file = options.source_file
hopsize = options.hopsize
bufsize = options.bufsize
samplerate = options.samplerate