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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	731 B	-rw-r--r--
allof.py	2.26 KB	-rw-r--r--
anyof.py	1.3 KB	-rw-r--r--
described_as.py	1.89 KB	-rw-r--r--
is_.py	2.97 KB	-rw-r--r--
isanything.py	975 B	-rw-r--r--
isequal.py	1.01 KB	-rw-r--r--
isinstanceof.py	1.23 KB	-rw-r--r--
isnone.py	745 B	-rw-r--r--
isnot.py	2.13 KB	-rw-r--r--
issame.py	1.31 KB	-rw-r--r--
raises.py	5.26 KB	-rw-r--r--

Code Editor : isinstanceof.py

from typing import Type

from hamcrest.core.base_matcher import BaseMatcher
from hamcrest.core.description import Description
from hamcrest.core.helpers.wrap_matcher import is_matchable_type
from hamcrest.core.matcher import Matcher

__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"

class IsInstanceOf(BaseMatcher[object]):
    def __init__(self, expected_type: Type) -> None:
        if not is_matchable_type(expected_type):
            raise TypeError("IsInstanceOf requires type")
        self.expected_type = expected_type

def _matches(self, item: object) -> bool:
        return isinstance(item, self.expected_type)

def describe_to(self, description: Description) -> None:
        description.append_text("an instance of ").append_text(self.expected_type.__name__)

def instance_of(atype: Type) -> Matcher[object]:
    """Matches if object is an instance of, or inherits from, a given type.

:param atype: The type to compare against as the expected type.

This matcher checks whether the evaluated object is an instance of
    ``atype`` or an instance of any class that inherits from ``atype``.

Example::

instance_of(str)

"""
    return IsInstanceOf(atype)

${this.title}

Code Editor : isinstanceof.py