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import csv

import io

from hamcrest.core.base_matcher import BaseMatcher

class CsvEquivalent(BaseMatcher):

def __init__(self, rows, **csv_kwargs):

self.__rows = rows

self.__csv_kwargs = csv_kwargs

def _matches(self, item):

with io.StringIO(item, newline="") as stream:

reader = csv.reader(stream, **self.__csv_kwargs)

return list(reader) == self.__rows

def describe_to(self, description):

description.append_text(

f"csv document equivalent to {self.__rows!r}"

)

def csv_equivalent(rows, **csv_kwargs):

return CsvEquivalent(rows, **csv_kwargs)