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import six
from hamcrest.core.base_matcher import Matcher
from hamcrest.core.core.isequal import equal_to
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
import types
def wrap_matcher(x):
"""Wraps argument in a matcher, if necessary.
:returns: the argument as-is if it is already a matcher, otherwise wrapped
in an :py:func:`~hamcrest.core.core.isequal.equal_to` matcher.
"""
if isinstance(x, Matcher):
return x
else:
return equal_to(x)
def is_matchable_type(expected_type):
if isinstance(expected_type, type):
return True
if isinstance(expected_type, six.class_types):
return True
if isinstance(expected_type, tuple) and \
expected_type and \
all(map(is_matchable_type, expected_type)):
return True
return False
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