/usr/share/pyshared/gnuradio/eng_option.py is in gnuradio 3.5.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2004 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
'''Add support for engineering notation to optparse.OptionParser'''
from copy import copy
from optparse import Option, OptionValueError
import eng_notation
def check_eng_float (option, opt, value):
try:
return eng_notation.str_to_num(value)
except:
raise OptionValueError (
"option %s: invalid engineering notation value: %r" % (opt, value))
def check_intx (option, opt, value):
try:
return int (value, 0)
except:
raise OptionValueError (
"option %s: invalid integer value: %r" % (opt, value))
def check_subdev (option, opt, value):
"""
Value has the form: (A|B)(:0|1)?
@returns a 2-tuple (0|1, 0|1)
"""
d = { 'A' : (0, 0), 'A:0' : (0, 0), 'A:1' : (0, 1), 'A:2' : (0, 2),
'B' : (1, 0), 'B:0' : (1, 0), 'B:1' : (1, 1), 'B:2' : (1, 2) }
try:
return d[value.upper()]
except:
raise OptionValueError(
"option %s: invalid subdev: '%r', must be one of %s" % (opt, value, ', '.join(sorted(d.keys()))))
class eng_option (Option):
TYPES = Option.TYPES + ("eng_float", "intx", "subdev")
TYPE_CHECKER = copy (Option.TYPE_CHECKER)
TYPE_CHECKER["eng_float"] = check_eng_float
TYPE_CHECKER["intx"] = check_intx
TYPE_CHECKER["subdev"] = check_subdev
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