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from hamcrest.core.base_matcher import BaseMatcher
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
class IsIn(BaseMatcher):
def __init__(self, sequence):
self.sequence = sequence
def _matches(self, item):
return item in self.sequence
def describe_to(self, description):
description.append_text('one of ') \
.append_list('(', ', ', ')', self.sequence)
def is_in(sequence):
"""Matches if evaluated object is present in a given sequence.
:param sequence: The sequence to search.
This matcher invokes the ``in`` membership operator to determine if the
evaluated object is a member of the sequence.
"""
return IsIn(sequence)
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