def test_getopt_with_arguments_mixed(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt arg0 -a arg1 -b arg2".split()
gi = getopt.iter_getopt(argv, 'ab')
for i in [('a', 1, '?', 3, None), ('b', 1, '?', 5, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], ['arg0', 'arg1', 'arg2'])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_matched_option_combined(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -ab -cd".split()
gi = getopt.iter_getopt(argv, 'abcd')
for i in [('a', 1, '?', 1, None), ('b', 1, '?', 2, None),
('c', 1, '?', 2, None), ('d', 1, '?', 3, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_invalid_option(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -a -b -c -d".split()
gi = getopt.iter_getopt(argv, 'abd')
for i in [('a', 1, '?', 2, None), ('b', 1, '?', 3, None),
('?', 1, 'c', 4, None), ('d', 1, 'c', 5, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], [])
self.assertTrue(stderr.tell() > 0)
def test_getopt_with_two_hyphen(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -abc -- -- -a -b -c".split()
gi = getopt.iter_getopt(argv, 'abc::')
for i in [('a', 1, '?', 1, None), ('b', 1, '?', 1, None),
('c', 1, '?', 2, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], ['--', '-a', '-b', '-c'])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_option_with_optional_value(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -abcde".split()
gi = getopt.iter_getopt(argv, 'abc::')
for i in [('a', 1, '?', 1, None), ('b', 1, '?', 1, None),
('c', 1, '?', 2, 'de')]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], [])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_option_missing_required_value_quote(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -abc".split()
gi = getopt.iter_getopt(argv, ':abc:')
for i in [('a', 1, '?', 1, None), ('b', 1, '?', 1, None),
(':', 1, 'c', 2, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], [])
self.assertTrue(stderr.tell() > 0)
def test_getopt_with_arguments_mixed_posixly_correct(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
with unittest.mock.patch('os.environ', {'POSIXLY_CORRECT': ''}):
argv = "testopt -a arg0 -b arg1".split()
gi = getopt.iter_getopt(argv, 'ab')
for i in [('a', 1, '?', 2, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], ['arg0', '-b', 'arg1'])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_arguments_mixed_posixly_correct(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
with unittest.mock.patch('os.environ', {'POSIXLY_CORRECT': ''}):
argv = "testopt -a arg0 -b arg1".split()
gi = getopt.iter_getopt(argv, 'ab')
for i in [
('a', 1, '?', 2, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], ['arg0', '-b', 'arg1'])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_arguments_mixed(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt arg0 -a arg1 -b arg2".split()
gi = getopt.iter_getopt(argv, 'ab')
for i in [
('a', 1, '?', 3, None),
('b', 1, '?', 5, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], ['arg0', 'arg1', 'arg2'])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_matched_option_combined(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -ab -cd".split()
gi = getopt.iter_getopt(argv, 'abcd')
for i in [
('a', 1, '?', 1, None),
('b', 1, '?', 2, None),
('c', 1, '?', 2, None),
('d', 1, '?', 3, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_two_hyphen_alt(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -abc de -- -- -a -b -c".split()
gi = getopt.iter_getopt(argv, 'abc::')
for i in [
('a', 1, '?', 1, None),
('b', 1, '?', 1, None),
('c', 1, '?', 2, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], ['de', '--', '-a', '-b', '-c'])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_option_with_optional_value(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -abcde".split()
gi = getopt.iter_getopt(argv, 'abc::')
for i in [
('a', 1, '?', 1, None),
('b', 1, '?', 1, None),
('c', 1, '?', 2, 'de')]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], [])
self.assertTrue(stderr.tell() == 0)
def test_getopt_with_option_missing_required_value_quote(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -abc".split()
gi = getopt.iter_getopt(argv, ':abc:')
for i in [
('a', 1, '?', 1, None),
('b', 1, '?', 1, None),
(':', 1, 'c', 2, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], [])
self.assertTrue(stderr.tell() > 0)
def test_getopt_with_invalid_option(self):
with unittest.mock.patch('sys.stderr', new=io.StringIO()) as stderr:
argv = "testopt -a -b -c -d".split()
gi = getopt.iter_getopt(argv, 'abd')
for i in [
('a', 1, '?', 2, None),
('b', 1, '?', 3, None),
('?', 1, 'c', 4, None),
('d', 1, 'c', 5, None)]:
self.assertEqual(i , (gi.__next__(), \
gi.opterr, gi.optopt, gi.optind, gi.optarg))
self.assertEqual(list(gi), [])
self.assertEqual(gi.argv[gi.optind:], [])
self.assertTrue(stderr.tell() > 0)
#! /usr/bin/env python3
"""
Equivalent to
http://www.gnu.org/software/libc/manual/html_node/Example-of-Getopt.html
"""
import sys
import os
from libcli.getopt import iter_getopt
if __name__ == '__main__':
aflag = 0
bflag = 0
cvalue = None
gi = iter_getopt(sys.argv, "abc:")
for c in gi:
if c == 'a':
aflag = 1
elif c == 'b':
bflag = 1
elif c == 'c':
cvalue = gi.optarg
elif c == '?':
if gi.optopt == 'c':
print("Option -{} requires an argument.".format(gi.optopt),
file=sys.stderr)
else:
print("Unknown option `{}'".format(repr(gi.optopt)),
file=sys.stderr)
sys.exit(1)