diff options
Diffstat (limited to 'gr-utils/python/utils/gr_read_file_metadata')
| -rw-r--r-- | gr-utils/python/utils/gr_read_file_metadata | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/gr-utils/python/utils/gr_read_file_metadata b/gr-utils/python/utils/gr_read_file_metadata index 429b38310f..1a94560ad2 100644 --- a/gr-utils/python/utils/gr_read_file_metadata +++ b/gr-utils/python/utils/gr_read_file_metadata @@ -20,8 +20,10 @@ # Boston, MA 02110-1301, USA. # +from __future__ import print_function + import sys -from optparse import OptionParser +from argparse import ArgumentParser import pmt from gnuradio.blocks import parse_file_metadata @@ -45,7 +47,7 @@ def main(filename, detached=False): sys.stderr.write("Could not deserialize header: invalid or corrupt data file.\n") sys.exit(1) - print "HEADER {0}".format(nheaders) + print("HEADER {0}".format(nheaders)) info = parse_file_metadata.parse_header(header, True) if(info["extra_len"] > 0): @@ -59,7 +61,7 @@ def main(filename, detached=False): sys.stderr.write("Could not deserialize extras: invalid or corrupt data file.\n") sys.exit(1) - print "\nExtra Header:" + print("\nExtra Header:") extra_info = parse_file_metadata.parse_extra_dict(extra, info, True) nheaders += 1 @@ -67,21 +69,17 @@ def main(filename, detached=False): if(not detached): nread += info['nbytes'] handle.seek(nread, 0) - print "\n\n" + print("\n\n") + if __name__ == "__main__": - usage="%prog: [options] filename" description = "Read in a GNU Radio file with meta data, extracts the header and prints it." - parser = OptionParser(conflict_handler="resolve", - usage=usage, description=description) - parser.add_option("-D", "--detached", action="store_true", default=False, + parser = ArgumentParser(conflict_handler="resolve", description=description) + parser.add_argument("-D", "--detached", action="store_true", help="Used if header is detached.") - (options, args) = parser.parse_args () - - if(len(args) < 1): - sys.stderr.write("No filename given\n") - sys.exit(1) + parser.add_argument("file", metavar="FILE", + help="Input file"); + args = parser.parse_args() - filename = args[0] - main(filename, options.detached) + main(args.file, args.detached) |