def __init__(self, env, config, scope, parent_parser, legacy_parser=None):
self._env = env
self._config = config
self._scope = scope
# If True, no more registration is allowed on this parser.
self._frozen = False
# The argparser we use for actually parsing args.
self._argparser = CustomArgumentParser(conflict_handler='resolve')
# The argparser we use for formatting help messages.
# We don't use self._argparser for this as it will have all options from enclosing scopes
# registered on it too, which would create unnecessarily repetitive help messages.
self._help_argparser = CustomArgumentParser(
conflict_handler='resolve', formatter_class=PantsHelpFormatter)
# If True, we have at least one option to show help for.
self._has_help_options = False
# Map of external to internal dest names. See docstring for _set_dest below.
self._dest_forwardings = {}
# A Parser instance, or None for the global scope parser.
self._parent_parser = parent_parser
# List of Parser instances.
self._child_parsers = []
if self._parent_parser:
self._parent_parser._register_child_parser(self)
# Handles legacy options on our behalf.
self._legacy_options = LegacyOptions(
scope, legacy_parser) if legacy_parser else None
def test_registration(self):
optparser = optparse.OptionParser()
legacy_options = LegacyOptions('compile.java', optparser)
legacy_options.register(['--foo'], {'action': 'store_true'},
'compile_java_foo')
legacy_options.register(['--bar'], {'type': long}, 'compile_java_bar')
legacy_options.register(['--baz'], {'choices': ['xx', 'yy', 'zz']},
'compile_java_baz')
legacy_options.register(['--qux'], {
'type': int,
'choices': [1, 2, 3],
'action': 'append'
}, 'compile_java_qux')
legacy_options.register(['--corge'], {
'type': int,
'default': 55
}, 'compile_java_corge')
args = shlex.split(
str('--compile-java-foo --compile-java-bar=33 --compile-java-baz=xx '
'--compile-java-qux=1 --compile-java-qux=4'))
opts, _ = optparser.parse_args(args)
self.assertTrue(opts.compile_java_foo)
self.assertEquals(opts.compile_java_bar, 33)
self.assertEquals(opts.compile_java_baz, 'xx')
self.assertEquals(opts.compile_java_qux,
[1, 4]) # Choices not enforced for non-string types.
self.assertEquals(opts.compile_java_corge, 55) # Defaults preserved.
with pytest.raises(SystemExit):
args = shlex.split(str(
'--compile-java-baz=ww')) # Choices enforced for string types.
opts, _ = optparser.parse_args(args)
