Function similarity

pattern/metrics.py:288–295

Returns the similarity of string1 and string2 as a number between 0.0 and 1.0, using LEVENSHTEIN edit distance or DICE coefficient.

(string1, string2, metric=LEVENSHTEIN)

LEVENSHTEIN, DICE = "levenshtein", "dice"
def similarity(string1, string2, metric=LEVENSHTEIN):
    """ Returns the similarity of string1 and string2 as a number between 0.0 and 1.0,
        using LEVENSHTEIN edit distance or DICE coefficient.
    """
    if metric == LEVENSHTEIN:
        return levenshtein_similarity(string1, string2)
    if metric == DICE:
        return dice_coefficient(string1, string2)

#--- STRING READABILITY ----------------------------------------------------------------------------
# 0.9-1.0 = easily understandable by 11-year old.