def test_positional_args(self):
parser = Parser('', '',
Arg(('-a', '--arg'), 'arg'))
_, args = parser.parse_args('-a asdf'.split())
self.assertEqual(args.ns.arg, 'asdf')
_, args = parser.parse_args('--arg asdf'.split())
self.assertEqual(args.ns.arg, 'asdf')
def test_argparse_example(self):
p = Parser(
'cmd', 'Process some integers',
Arg('integers', 'an integer for the accumulator',
metavar='N', type=int, nargs='+'),
Arg('--sum', 'sum the integers (default: find the max)',
dest='accumulate', action='store_const',
const=sum, default=max))
parser, args = p.parse_args('1 2 3 4'.split())
self.assertEqual(args.ns.accumulate(args.ns.integers), 4)
parser, args = p.parse_args('1 2 3 4 --sum'.split())
self.assertEqual(args.ns.accumulate(args.ns.integers), 10)
def test_lazy(self):
p = Parser('p', 'description',
Arg('--b', 'description', types.Int.positive,
Lazy(lambda ns: ns.a)),
Arg('a', 'description', types.Int.positive))
parser, args = p.parse_args('1234'.split())
self.assertEqual(args.ns.a, 1234)
self.assertEqual(args.ns.b, 1234)
parser, args = p.parse_args('--b 4321 1234'.split())
self.assertEqual(args.ns.a, 1234)
self.assertEqual(args.ns.b, 4321)
def test_group(self):
p = Parser('p', 'p-description',
Group('grp', 'grp-description',
Arg('a'),
Arg('b')))
parse, args = p.parse_args('a b'.split())
self.assertEqual(args.ns.a, 'a')
self.assertEqual(args.ns.b, 'b')
def test_to_named_params(self):
parser = Parser('name', 'description',
Arg('a', 'arg a'),
Arg('b', 'arg b'),
Arg('c', 'arg c'))
_, args = parser.parse_args('a b c'.split())
self.assertEqual(args.ns.a, 'a')
self.assertEqual(args.ns.b, 'b')
self.assertEqual(args.ns.c, 'c')
def test_subparser_common_args(self):
p = Parser(
'cmd', 'cmd-description',
SubParsers('sp', 'sp-description', KW(dest='sp'),
Arg('arg0', 'arg0-description'),
Parser('p0', 'p0-description'),
Parser('p1', 'p0-description',
Arg('p1-arg0', 'p1-arg0-description')),
Arg('arg1', 'arg0-description')))
parser, args = p.parse_args('p0 1 2'.split())
self.assertEqual(args.ns.sp, 'p0')
self.assertEqual(args.ns.arg0, '1')
self.assertEqual(args.ns.arg1, '2')
parser, args = p.parse_args('p1 a b c'.split())
self.assertEqual(args.ns.sp, 'p1')
self.assertEqual(args.ns.arg0, 'a')
self.assertEqual(args.ns.arg1, 'b')
self.assertEqual(args.ns.p1_arg0, 'c')
def test_to_dict(self):
parser = Parser('name', 'description',
Arg('a', 'arg a'),
Arg('b', 'arg b'),
Arg('c', 'arg c'))
_, args = parser.parse_args('1 2 3'.split())
dic = dict(args.ns)
self.assertEqual(dic['a'], '1')
self.assertEqual(dic['b'], '2')
self.assertEqual(dic['c'], '3')
def main():
import os
from terseparse import Parser, Arg, KW
logging.getLogger().setLevel(logging.DEBUG)
logging.basicConfig()
p = Parser('dcmviewer', 'Display dicom series for viewing and editing ROIs',
Arg('--version', 'show version', action='version',
version='%(prog)s ({})'.format(__version__)),
Arg('directory', 'Working directory to start the viewer in',
default=os.path.abspath('.'), nargs='?'))
_, args = p.parse_args()
view(args.ns.directory)
#!/usr/bin/env python
from terseparse import Arg, KW, Parser, SubParsers, types
description = '''shows an example of using subparsers'''
parser = Parser(__file__, description,
Arg('--arg0', 'arg 0', type=types.Int()),
SubParsers('command', '', KW(dest='command'),
Arg('common', 'this argument is common to all sub parsers', type=int),
Parser('a', 'parser a',
Arg('arg0', 'arg 0', type=int),
Arg('arg1', 'arg 1', type=int),),
Parser('b', 'parser b',
Arg('arg0', 'arg 0', type=str),
Arg('arg1', 'arg 1', type=str))))
_, args = parser.parse_args()
args.pprint()
#!/usr/bin/env python
from terseparse import Parser, Arg
description = '''Process some integers
This example is adapted to terseparse syntax from the argument parser library
'''
p = Parser('cmd', description,
Arg('integers', 'an integer for the accumulator',
metavar='N', type=int, nargs='+'),
Arg('--sum', 'sum the integers (default: find the max)',
dest='accumulate', action='store_const',
const=sum, default=max))
_, args = p.parse_args()
args.pprint()
import pdb; pdb.set_trace()
print(args.ns.accumulate(args.ns.integers))
