utils.py 文件源码

def print_diffs(expected, actual):
    '''
    Pretty-print the diff between the two, possibly multi-line, strings

    :param str expected: Multi-line string
    :param str actual: Multi-line string
    '''
    import difflib
    from pprint import pprint
    expected_lines = expected.splitlines()
    actual_lines = actual.splitlines()
    diff = difflib.Differ()
    diff_list = list(diff.compare(expected_lines, actual_lines))
    pprint(diff_list)