Beispiel #1
0
def extractnumber_fr(text):
    """Takes in a string and extracts a number.
    Args:
        text (str): the string to extract a number from
    Returns:
        (str): The number extracted or the original text.
    """
    # normalize text, keep articles for ordinals versus fractionals
    text = normalize_fr(text, False)
    # split words by whitespace
    aWords = text.split()
    count = 0
    result = None
    add = False
    while count < len(aWords):
        val = None
        word = aWords[count]
        wordNext = ""
        wordPrev = ""
        if count < (len(aWords) - 1):
            wordNext = aWords[count + 1]
        if count > 0:
            wordPrev = aWords[count - 1]

        if word in articles_fr:
            count += 1
            continue
        if word in ["et", "plus", "+"]:
            count += 1
            add = True
            continue

        # is current word a numeric number?
        if word.isdigit():
            val = int(word)
            count += 1
        elif is_numeric(word):
            val = float(word)
            count += 1
        elif wordPrev in articles_fr and getOrdinal_fr(word):
            val = getOrdinal_fr(word)
            count += 1
        # is current word the denominator of a fraction?
        elif isFractional_fr(word):
            val = isFractional_fr(word)
            count += 1

        # is current word the numerator of a fraction?
        if val and wordNext:
            valNext = isFractional_fr(wordNext)
            if valNext:
                val = float(val) * valNext
                count += 1

        if not val:
            count += 1
            # is current word a numeric fraction like "2/3"?
            aPieces = word.split('/')
            # if (len(aPieces) == 2 and is_numeric(aPieces[0])
            #   and is_numeric(aPieces[1])):
            if look_for_fractions(aPieces):
                val = float(aPieces[0]) / float(aPieces[1])

        # is current word followed by a decimal value?
        if wordNext == "virgule":
            zeros = 0
            newWords = aWords[count + 1:]
            # count the number of zeros after the decimal sign
            for word in newWords:
                if word == "zéro" or word == "0":
                    zeros += 1
                else:
                    break
            afterDotVal = None
            # extract the number after the zeros
            if newWords[zeros].isdigit():
                afterDotVal = newWords[zeros]
                countDot = count + zeros + 2
            # if a number was extracted (since comma is also a
            # punctuation sign)
            if afterDotVal:
                count = countDot
                if not val:
                    val = 0
                # add the zeros
                afterDotString = zeros * "0" + afterDotVal
                val = float(str(val) + "." + afterDotString)
        if val:
            if add:
                result += val
                add = False
            else:
                result = val

    # if result == False:
    if not result:
        return normalize_fr(text, True)

    return result
Beispiel #2
0
def extractnumber_de(text, short_scale=True, ordinals=False):
    """
    This function prepares the given text for parsing by making
    numbers consistent, getting rid of contractions, etc.
    Args:
        text (str): the string to normalize
    Returns:
        (int) or (float): The value of extracted number


    undefined articles cannot be suppressed in German:
    'ein Pferd' means 'one horse' and 'a horse'

    """
    aWords = text.split()
    aWords = [word for word in aWords if
              word not in ["der", "die", "das", "des", "den", "dem"]]
    and_pass = False
    valPreAnd = False
    val = False
    count = 0
    while count < len(aWords):
        word = aWords[count]
        if is_numeric(word):
            # if word.isdigit():            # doesn't work with decimals
            val = float(word)
        elif isFractional_de(word):
            val = isFractional_de(word)
        elif isOrdinal_de(word):
            val = isOrdinal_de(word)
        else:
            if word in de_numbers:
                val = de_numbers[word]
                if count < (len(aWords) - 1):
                    wordNext = aWords[count + 1]
                else:
                    wordNext = ""
                valNext = isFractional_de(wordNext)

                if valNext:
                    val = val * valNext
                    aWords[count + 1] = ""

        if not val:
            # look for fractions like "2/3"
            aPieces = word.split('/')
            # if (len(aPieces) == 2 and is_numeric(aPieces[0])
            #   and is_numeric(aPieces[1])):
            if look_for_fractions(aPieces):
                val = float(aPieces[0]) / float(aPieces[1])
            elif and_pass:
                # added to value, quit here
                val = valPreAnd
                break
            else:
                count += 1
                continue

        aWords[count] = ""

        if and_pass:
            aWords[count - 1] = ''  # remove "and"
            val += valPreAnd
        elif count + 1 < len(aWords) and aWords[count + 1] == 'und':
            and_pass = True
            valPreAnd = val
            val = False
            count += 2
            continue
        elif count + 2 < len(aWords) and aWords[count + 2] == 'und':
            and_pass = True
            valPreAnd = val
            val = False
            count += 3
            continue

        break

    return val or False
Beispiel #3
0
def extractnumber_it(text, short_scale=False, ordinals=False):
    """
    This function extracts a number from a text string,
    handles pronunciations in long scale and short scale

    https://en.wikipedia.org/wiki/Names_of_large_numbers

    Args:
        text (str): the string to normalize
        short_scale (bool): use short scale if True, long scale if False
        ordinals (bool): consider ordinal numbers, third=3 instead of 1/3
    Returns:
        (int) or (float) or False: The extracted number or False if no number
                                   was found

    """

    string_num_ordinal_it = {}
    # first, second...
    if ordinals:
        if short_scale:
            for num in SHORT_ORDINAL_STRING_IT:
                num_string = SHORT_ORDINAL_STRING_IT[num]
                string_num_ordinal_it[num_string] = num
                STRING_NUM_ITA[num_string] = num
        else:
            for num in LONG_ORDINAL_STRING_IT:
                num_string = LONG_ORDINAL_STRING_IT[num]
                string_num_ordinal_it[num_string] = num
                STRING_NUM_ITA[num_string] = num

    # negate next number (-2 = 0 - 2)
    negatives = ['meno']  # 'negativo' non è usuale in italiano

    # multiply the previous number (one hundred = 1 * 100)
    multiplies = ['decina', 'decine', 'dozzina', 'dozzine',
                  'centinaia', 'centinaio', 'migliaia', 'migliaio', 'mila']

    # split sentence parse separately and sum ( 2 and a half = 2 + 0.5 )
    fraction_marker = [' e ']

    # decimal marker ( 1 point 5 = 1 + 0.5)
    decimal_marker = [' punto ', ' virgola ']

    if short_scale:
        for num in SHORT_SCALE_IT:
            num_string = SHORT_SCALE_IT[num]
            STRING_NUM_ITA[num_string] = num
            multiplies.append(num_string)
    else:
        for num in LONG_SCALE_IT:
            num_string = LONG_SCALE_IT[num]
            STRING_NUM_ITA[num_string] = num
            multiplies.append(num_string)

    # 2 e 3/4 ed altri casi
    for separator in fraction_marker:
        components = text.split(separator)
        zeros = 0

        if len(components) == 2:
            # count zeros in fraction part
            sub_components = components[1].split(' ')
            for element in sub_components:
                if element == 'zero' or element == '0':
                    zeros += 1
                else:
                    break
            # ensure first is not a fraction and second is a fraction
            num1 = extractnumber_it(components[0])
            num2 = extractnumber_it(components[1])
            if num1 is not None and num2 is not None \
                    and num1 >= 1 and 0 < num2 < 1:
                return num1 + num2
            # sette e quaranta  sette e zero zero due
            elif num1 is not None and num2 is not None \
                    and num1 >= 1 and num2 > 1:
                return num1 + num2 / pow(10, len(str(num2)) + zeros)

    # 2 punto 5
    for separator in decimal_marker:
        zeros = 0
        # count zeros in fraction part
        components = text.split(separator)

        if len(components) == 2:
            sub_components = components[1].split(' ')
            for element in sub_components:
                if element == 'zero' or element == '0':
                    zeros += 1
                else:
                    break

            number = int(extractnumber_it(components[0]))
            decimal = int(extractnumber_it(components[1]))
            if number is not None and decimal is not None:
                if '.' not in str(decimal):
                    return number + decimal / pow(10,
                                                  len(str(decimal)) + zeros)

    all_words = text.split()
    val = False
    prev_val = None
    to_sum = []
    for idx, word in enumerate(all_words):

        if not word:
            continue
        prev_word = all_words[idx - 1] if idx > 0 else ''
        next_word = all_words[idx + 1] if idx + 1 < len(all_words) else ''

        # is this word already a number ?
        if is_numeric(word):
            val = float(word)

        # is this word the name of a number ?
        if word in STRING_NUM_ITA:
            val = STRING_NUM_ITA[word]

        #  tre quarti  un quarto  trenta secondi
        if isFractional_it(word) and prev_val:
            if word[:-1] == 'second' and not ordinals:
                val = prev_val * 2
            else:
                val = prev_val

        # is the prev word a number and should we multiply it?
        # twenty hundred, six hundred
        if word in multiplies:
            if not prev_val:
                prev_val = 1
            val = prev_val * val

        # is this a spoken fraction?
        # mezza tazza
        if val is False:
            val = isFractional_it(word, short_scale=short_scale)

        # 2 quinti
        if not ordinals:
            next_value = isFractional_it(next_word, short_scale=short_scale)
            if next_value:
                if not val:
                    val = 1
                val = val * next_value

        # is this a negative number?
        if val and prev_word and prev_word in negatives:
            val = 0 - val

        if not val:
            val = extractnumber_long_it(word)

        # let's make sure it isn't a fraction
        if not val:
            # look for fractions like '2/3'
            all_pieces = word.split('/')
            if look_for_fractions(all_pieces):
                val = float(all_pieces[0]) / float(all_pieces[1])
        else:
            prev_val = val
            # handle long numbers
            # six hundred sixty six
            # two million five hundred thousand
            if word in multiplies and next_word not in multiplies:
                to_sum.append(val)
                val = 0
                prev_val = 0
            elif extractnumber_long_it(word) > 100 and \
                extractnumber_long_it(next_word) and \
                    next_word not in multiplies:
                to_sum.append(val)
                val = 0
                prev_val = 0

    if val is not None:
        for addend in to_sum:
            val = val + addend
    return val
Beispiel #4
0
def extractnumber_pt(text, short_scale=True, ordinals=False):
    """
    This function prepares the given text for parsing by making
    numbers consistent, getting rid of contractions, etc.
    Args:
        text (str): the string to normalize
    Returns:
        (int) or (float): The value of extracted number

    """
    text = text.lower()
    aWords = text.split()
    count = 0
    result = None
    while count < len(aWords):
        val = 0
        word = aWords[count]
        next_next_word = None
        if count + 1 < len(aWords):
            next_word = aWords[count + 1]
            if count + 2 < len(aWords):
                next_next_word = aWords[count + 2]
        else:
            next_word = None

        # is current word a number?
        if word in _NUMBERS_PT:
            val = _NUMBERS_PT[word]
        elif word.isdigit():  # doesn't work with decimals
            val = int(word)
        elif is_numeric(word):
            val = float(word)
        elif isFractional_pt(word):
            if not result:
                result = 1
            result = result * isFractional_pt(word)
            count += 1
            continue

        if not val:
            # look for fractions like "2/3"
            aPieces = word.split('/')
            # if (len(aPieces) == 2 and is_numeric(aPieces[0])
            #   and is_numeric(aPieces[1])):
            if look_for_fractions(aPieces):
                val = float(aPieces[0]) / float(aPieces[1])

        if val:
            if result is None:
                result = 0
            # handle fractions
            if next_word != "avos":
                result += val
            else:
                result = float(result) / float(val)

        if next_word is None:
            break

        # number word and fraction
        ands = ["e"]
        if next_word in ands:
            zeros = 0
            if result is None:
                count += 1
                continue
            newWords = aWords[count + 2:]
            newText = ""
            for word in newWords:
                newText += word + " "

            afterAndVal = extractnumber_pt(newText[:-1])
            if afterAndVal:
                if result < afterAndVal or result < 20:
                    while afterAndVal > 1:
                        afterAndVal = afterAndVal / 10.0
                    for word in newWords:
                        if word == "zero" or word == "0":
                            zeros += 1
                        else:
                            break
                for _ in range(0, zeros):
                    afterAndVal = afterAndVal / 10.0
                result += afterAndVal
                break
        elif next_next_word is not None:
            if next_next_word in ands:
                newWords = aWords[count + 3:]
                newText = ""
                for word in newWords:
                    newText += word + " "
                afterAndVal = extractnumber_pt(newText[:-1])
                if afterAndVal:
                    if result is None:
                        result = 0
                    result += afterAndVal
                    break

        decimals = ["ponto", "virgula", "vírgula", ".", ","]
        if next_word in decimals:
            zeros = 0
            newWords = aWords[count + 2:]
            newText = ""
            for word in newWords:
                newText += word + " "
            for word in newWords:
                if word == "zero" or word == "0":
                    zeros += 1
                else:
                    break
            afterDotVal = str(extractnumber_pt(newText[:-1]))
            afterDotVal = zeros * "0" + afterDotVal
            result = float(str(result) + "." + afterDotVal)
            break
        count += 1

    # Return the $str with the number related words removed
    # (now empty strings, so strlen == 0)
    # aWords = [word for word in aWords if len(word) > 0]
    # text = ' '.join(aWords)
    if "." in str(result):
        integer, dec = str(result).split(".")
        # cast float to int
        if dec == "0":
            result = int(integer)

    return result or False
Beispiel #5
0
def extractnumber_sv(text):
    """
    This function prepares the given text for parsing by making
    numbers consistent, getting rid of contractions, etc.
    Args:
        text (str): the string to normalize
    Returns:
        (int) or (float): The value of extracted number
    """
    aWords = text.split()
    and_pass = False
    valPreAnd = False
    val = False
    count = 0
    while count < len(aWords):
        word = aWords[count]
        if is_numeric(word):
            val = float(word)
        elif word == "första":
            val = 1
        elif word == "andra":
            val = 2
        elif word == "tredje":
            val = 3
        elif word == "fjärde":
            val = 4
        elif word == "femte":
            val = 5
        elif word == "sjätte":
            val = 6
        elif is_fractional_sv(word):
            val = is_fractional_sv(word)
        else:
            if word == "en":
                val = 1
            if word == "ett":
                val = 1
            elif word == "två":
                val = 2
            elif word == "tre":
                val = 3
            elif word == "fyra":
                val = 4
            elif word == "fem":
                val = 5
            elif word == "sex":
                val = 6
            elif word == "sju":
                val = 7
            elif word == "åtta":
                val = 8
            elif word == "nio":
                val = 9
            elif word == "tio":
                val = 10
            if val:
                if count < (len(aWords) - 1):
                    wordNext = aWords[count + 1]
                else:
                    wordNext = ""
                valNext = is_fractional_sv(wordNext)

                if valNext:
                    val = val * valNext
                    aWords[count + 1] = ""

        if not val:
            # look for fractions like "2/3"
            aPieces = word.split('/')
            if look_for_fractions(aPieces):
                val = float(aPieces[0]) / float(aPieces[1])
            elif and_pass:
                # added to value, quit here
                val = valPreAnd
                break
            else:
                count += 1
                continue

        aWords[count] = ""

        if and_pass:
            aWords[count - 1] = ''  # remove "och"
            val += valPreAnd
        elif count + 1 < len(aWords) and aWords[count + 1] == 'och':
            and_pass = True
            valPreAnd = val
            val = False
            count += 2
            continue
        elif count + 2 < len(aWords) and aWords[count + 2] == 'och':
            and_pass = True
            valPreAnd = val
            val = False
            count += 3
            continue

        break

    if not val:
        return False

    return val
Beispiel #6
0
def extract_number_ca(text, short_scale=True, ordinals=False):
    """
    This function prepares the given text for parsing by making
    numbers consistent, getting rid of contractions, etc.
    Args:
        text (str): the string to normalize
    Returns:
        (int) or (float): The value of extracted number

    """
    # TODO: short_scale and ordinals don't do anything here.
    # The parameters are present in the function signature for API compatibility
    # reasons.
    text = text.lower()
    aWords = text.split()
    count = 0
    result = None
    while count < len(aWords):
        val = 0
        word = aWords[count]
        next_next_word = None
        if count + 1 < len(aWords):
            next_word = aWords[count + 1]
            if count + 2 < len(aWords):
                next_next_word = aWords[count + 2]
        else:
            next_word = None

        # is current word a number?
        if word in _NUMBERS_CA:
            val = _NUMBERS_CA[word]
        elif '-' in word:
            wordparts = word.split('-')
            # trenta-cinc > 35
            if len(wordparts) == 2 and (wordparts[0] in _TENS_CA
                                        and wordparts[1] in _AFTER_TENS_CA):
                val = _TENS_CA[wordparts[0]] + _AFTER_TENS_CA[wordparts[1]]
            # vint-i-dues > 22
            elif len(wordparts) == 3 and wordparts[1] == 'i' and (
                    wordparts[0] in _TENS_CA
                    and wordparts[2] in _AFTER_TENS_CA):
                val = _TENS_CA[wordparts[0]] + _AFTER_TENS_CA[wordparts[2]]
            # quatre-centes > 400
            elif len(wordparts) == 2 and (wordparts[0] in _BEFORE_HUNDREDS_CA
                                          and wordparts[1] in _HUNDREDS_CA):
                val = _BEFORE_HUNDREDS_CA[wordparts[0]] * 100

        elif word.isdigit():  # doesn't work with decimals
            val = int(word)
        elif is_numeric(word):
            val = float(word)
        elif is_fractional_ca(word):
            if not result:
                result = 1
            result = result * is_fractional_ca(word)
            count += 1
            continue

        if not val:
            # look for fractions like "2/3"
            aPieces = word.split('/')
            # if (len(aPieces) == 2 and is_numeric(aPieces[0])
            #   and is_numeric(aPieces[1])):
            if look_for_fractions(aPieces):
                val = float(aPieces[0]) / float(aPieces[1])

        if val:
            if result is None:
                result = 0
            # handle fractions
            #TODO: caution, review use of "ens" word
            if next_word != "ens":
                result += val
            else:
                result = float(result) / float(val)

        if next_word is None:
            break

        # number word and fraction
        ands = ["i"]
        if next_word in ands:
            zeros = 0
            if result is None:
                count += 1
                continue
            newWords = aWords[count + 2:]
            newText = ""
            for word in newWords:
                newText += word + " "

            afterAndVal = extract_number_ca(newText[:-1])
            if afterAndVal:
                if result < afterAndVal or result < 20:
                    while afterAndVal > 1:
                        afterAndVal = afterAndVal / 10.0
                    for word in newWords:
                        if word == "zero" or word == "0":
                            zeros += 1
                        else:
                            break
                for _ in range(0, zeros):
                    afterAndVal = afterAndVal / 10.0
                result += afterAndVal
                break
        elif next_next_word is not None:
            if next_next_word in ands:
                newWords = aWords[count + 3:]
                newText = ""
                for word in newWords:
                    newText += word + " "
                afterAndVal = extract_number_ca(newText[:-1])
                if afterAndVal:
                    if result is None:
                        result = 0
                    result += afterAndVal
                    break

        decimals = ["coma", "amb", "punt", ".", ","]
        if next_word in decimals:
            zeros = 0
            newWords = aWords[count + 2:]
            newText = ""
            for word in newWords:
                newText += word + " "
            for word in newWords:
                if word == "zero" or word == "0":
                    zeros += 1
                else:
                    break
            afterDotVal = str(extract_number_ca(newText[:-1]))
            afterDotVal = zeros * "0" + afterDotVal
            result = float(str(result) + "." + afterDotVal)
            break
        count += 1

    # Return the $str with the number related words removed
    # (now empty strings, so strlen == 0)
    # aWords = [word for word in aWords if len(word) > 0]
    # text = ' '.join(aWords)
    if "." in str(result):
        integer, dec = str(result).split(".")
        # cast float to int
        if dec == "0":
            result = int(integer)

    return result or False