From ad9b171dc72179bf67c909b475cc277855677efa Mon Sep 17 00:00:00 2001 From: Benjamin Barenblat Date: Wed, 26 Jul 2017 14:04:29 -0400 Subject: Initial commit --- convert_base.py | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 convert_base.py (limited to 'convert_base.py') diff --git a/convert_base.py b/convert_base.py new file mode 100644 index 0000000..a74f672 --- /dev/null +++ b/convert_base.py @@ -0,0 +1,55 @@ +# Copyright 2017 Google Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +import argparse +import sys + + +def _convert(to_base, num): + return to_base(int(num, 0))[2:] + + +def _prettify(bits, options): + result = [options.prefix] + if options.width: + result.append('0' * max(0, options.width - len(bits))) + result.append(bits) + return ''.join(result) + + +def main(to_base, prefix, unit_name): + parser = argparse.ArgumentParser() + parser.add_argument('number', nargs='*', default=None) + parser.add_argument( + '-w', + type=int, + help=unit_name+' width to format as', + metavar='WIDTH', + dest='width') + parser.add_argument( + '-P', + action='store_const', + const='', + default=prefix, + help='disable `'+prefix+'` prefix', + dest='prefix') + options = parser.parse_args() + + if options.number: + for number in options.number: + print(_prettify(_convert(to_base, number), options)) + else: + for line in sys.stdin: + print(_prettify(_convert(to_base, line.strip()), options)) -- cgit v1.2.3