Python abc.Container方法代码示例

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_Container(self):
        non_samples = [None, 42, 3.14, 1j,
                       (lambda: (yield))(),
                       (x for x in []),
                       ]
        for x in non_samples:
            self.assertNotIsInstance(x, Container)
            self.assertFalse(issubclass(type(x), Container), repr(type(x)))
        samples = [bytes(), str(),
                   tuple(), list(), set(), frozenset(), dict(),
                   dict().keys(), dict().items(),
                   ]
        for x in samples:
            self.assertIsInstance(x, Container)
            self.assertTrue(issubclass(type(x), Container), repr(type(x)))
        self.validate_abstract_methods(Container, '__contains__')
        self.validate_isinstance(Container, '__contains__') 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_Container(self):
        non_samples = [None, 42, 3.14, 1j,
                       _test_gen(),
                       (x for x in []),
                       ]
        for x in non_samples:
            self.assertNotIsInstance(x, Container)
            self.assertFalse(issubclass(type(x), Container), repr(type(x)))
        samples = [bytes(), str(),
                   tuple(), list(), set(), frozenset(), dict(),
                   dict().keys(), dict().items(),
                   ]
        for x in samples:
            self.assertIsInstance(x, Container)
            self.assertTrue(issubclass(type(x), Container), repr(type(x)))
        self.validate_abstract_methods(Container, '__contains__')
        self.validate_isinstance(Container, '__contains__') 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def _check_params(ignored_variables, ignored_interactions):
    """Helper for sample methods"""

    if ignored_variables is None:
        ignored_variables = set()
    elif not isinstance(ignored_variables, abc.Container):
        ignored_variables = set(ignored_variables)

    if ignored_interactions is None:
        ignored_interactions = set()
    elif not isinstance(ignored_interactions, abc.Container):
        ignored_interactions = set(ignored_interactions)

    return ignored_variables, ignored_interactions 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_algorithms():
    assert isinstance(hashlib.algorithms_guaranteed, Collection)
    assert hashlib.algorithms_guaranteed

    assert isinstance(hashlib.algorithms_available, Collection)
    assert hashlib.algorithms_available

    assert frozenset(hashlib.algorithms_guaranteed).issubset(
        hashlib.algorithms_available
    ) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_direct_subclassing(self):
        for B in Hashable, Iterable, Iterator, Sized, Container, Callable:
            class C(B):
                pass
            self.assertTrue(issubclass(C, B))
            self.assertFalse(issubclass(int, C)) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_registration(self):
        for B in Hashable, Iterable, Iterator, Sized, Container, Callable:
            class C:
                __hash__ = None  # Make sure it isn't hashable by default
            self.assertFalse(issubclass(C, B), B.__name__)
            B.register(C)
            self.assertTrue(issubclass(C, B)) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def parse_trusted_list(lst):
    if isinstance(lst, str) or not isinstance(lst, Sequence):
        raise TypeError(MSG)
    out = []
    has_ellipsis = False
    for elem in lst:
        if elem is ...:
            has_ellipsis = True
            new_elem = ...
        else:
            if has_ellipsis:
                raise ValueError(
                    "Ellipsis is allowed only at the end of list")
            if isinstance(elem, str) or not isinstance(elem, Container):
                raise TypeError(MSG)
            new_elem = []
            for item in elem:
                if isinstance(item, IP_CLASSES):
                    new_elem.append(item)
                    continue
                try:
                    new_elem.append(ip_address(item))
                except ValueError:
                    try:
                        new_elem.append(ip_network(item))
                    except ValueError:
                        raise ValueError(
                            "{!r} is not IPv4 or IPv6 address or network"
                            .format(item))
        out.append(new_elem)
    return out 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def __init__(self, container):
        assert isinstance(container, abc.Container), '`container` must support `in` operation'
        self.container = container

        # Name
        if isinstance(self.container, Map):
            self.name = self.container.name  # Inherit name
        else:
            # Format
            if isinstance(self.container, abc.Iterable):
                cs = _(u',').join(map(get_literal_name, self.container))
            else:
                cs = get_primitive_name(self.container)
            self.name = _(u'In({container})').format(container=cs) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_direct_subclassing(self):
        for B in Hashable, Iterable, Iterator, Reversible, Sized, Container, Callable:
            class C(B):
                pass
            self.assertTrue(issubclass(C, B))
            self.assertFalse(issubclass(int, C)) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_registration(self):
        for B in Hashable, Iterable, Iterator, Reversible, Sized, Container, Callable:
            class C:
                __hash__ = None  # Make sure it isn't hashable by default
            self.assertFalse(issubclass(C, B), B.__name__)
            B.register(C)
            self.assertTrue(issubclass(C, B)) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def test_issue26915(self):
        # Container membership test should check identity first
        class CustomEqualObject:
            def __eq__(self, other):
                return False
        class CustomSequence(Sequence):
            def __init__(self, seq):
                self._seq = seq
            def __getitem__(self, index):
                return self._seq[index]
            def __len__(self):
                return len(self._seq)

        nan = float('nan')
        obj = CustomEqualObject()
        seq = CustomSequence([nan, obj, nan])
        containers = [
            seq,
            ItemsView({1: nan, 2: obj}),
            ValuesView({1: nan, 2: obj})
        ]
        for container in containers:
            for elem in container:
                self.assertIn(elem, container)
        self.assertEqual(seq.index(nan), 0)
        self.assertEqual(seq.index(obj), 1)
        self.assertEqual(seq.count(nan), 2)
        self.assertEqual(seq.count(obj), 1) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def apply(self, attrs=None, kattrs=None, merge=False):
        """ Apply new attributes or classes to the target """
        for attr in attrs:
            kattrs = kattrs or {}
            # Treat objects as assigned to their name
            if hasattr(attr, "__name__"):
                kattrs[attr.__name__] = attr
            else:
                kattrs[attr] = inspect.getattr_static(self.source, attr)
        for attr, value in kattrs.items():
            old_value = inspect.getattr_static(self.target, attr, None)
            # If callable, preserve old func
            if callable(value) and callable(old_value):
                # Prevent duplicate patching
                if value in patchy_records:
                    continue
                patchy_records[value] = old_value

            # Merge collections and classes instead of replacing
            if merge:
                if isinstance(old_value, abc.Container):
                    if isinstance(value, abc.Mapping) and isinstance(old_value, abc.MutableMapping):
                        old_value.update(value)
                        logger.info('Merging mapping {mod}.{attr}'.format(mod=self.target.__name__, attr=attr))
                    elif isinstance(value, abc.Sequence) and isinstance(old_value, abc.MutableSequence):
                        old_value.extend(value)
                        logger.info('Merging sequence {mod}.{attr}'.format(mod=self.target.__name__, attr=attr))
                    elif isinstance(value, abc.Set) and isinstance(old_value, abc.MutableSet):
                        old_value.update(value)
                        logger.info('Merging set {mod}.{attr}'.format(mod=self.target.__name__, attr=attr))
                    else:
                        setattr(self.target, attr, value)
                        logger.info("Couldn't merge collection {target}.{attr}, replaced instead".format(
                            target=self.target.__name__,
                            attr=attr))
                    continue
                elif isinstance(old_value, type):
                    logger.info('Merging class for {target}.{attr}'.format(
                        target=self.target.__name__, attr=attr))
                    self.cls(old_value, value).auto()
                    continue
            logger.info('Setting value {target}.{attr}'.format(target=self.target.__name__, attr=attr))
            # Apply patched value
            setattr(self.target, attr, value) 

# 需要导入模块: from collections import abc [as 别名]
# 或者: from collections.abc import Container [as 别名]
def scale(self, scalar, ignored_variables=None, ignored_interactions=None,
              ignore_offset=False):
        """Multiply all the biases by the specified scalar.

        Args:
            scalar (number):
                Value by which to scale the energy range of the binary
                quadratic model.

            ignored_variables (iterable, optional):
                Biases associated with these variables are not scaled.

            ignored_interactions (iterable[tuple], optional):
                As an iterable of 2-tuples. Biases associated with these
                interactions are not scaled.

            ignore_offset (bool, default=False):
                If True, the offset is not scaled.

        """

        if ignored_variables is None:
            ignored_variables = set()
        elif not isinstance(ignored_variables, Container):
            ignored_variables = set(ignored_variables)

        if ignored_interactions is None:
            ignored_interactions = set()
        elif not isinstance(ignored_interactions, Container):
            ignored_interactions = set(ignored_interactions)

        linear = self.linear
        for v in linear:
            if v in ignored_variables:
                continue
            linear[v] *= scalar

        quadratic = self.quadratic
        for u, v in quadratic:
            if (u, v) in ignored_interactions or (v, u) in ignored_interactions:
                continue
            quadratic[(u, v)] *= scalar

        if not ignore_offset:
            self.offset *= scalar