Function isEnglish

other/detecting_english_programmatically.py:38–50

>>> isEnglish('Hello World') True >>> isEnglish('llold HorWd') False

(message, wordPercentage = 20, letterPercentage = 85)

    return ''.join(lettersOnly)

def isEnglish(message, wordPercentage = 20, letterPercentage = 85):
    """
    >>> isEnglish('Hello World')
    True

    >>> isEnglish('llold HorWd')
    False
    """
    wordsMatch = getEnglishCount(message) * 100 >= wordPercentage
    numLetters = len(removeNonLetters(message))
    messageLettersPercentage = (float(numLetters) / len(message)) * 100
    lettersMatch = messageLettersPercentage >= letterPercentage
    return wordsMatch and lettersMatch


import doctest