updated libs to fix guessit and subliminal. Fixes #1080

libs/guessit/rules/common/numeral.py

@@ -0,0 +1,165 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+parse numeral from various formats
+"""
+from rebulk.remodule import re
+
+digital_numeral = r'\d{1,4}'
+
+roman_numeral = r'(?=[MCDLXVI]+)M{0,4}(?:CM|CD|D?C{0,3})(?:XC|XL|L?X{0,3})(?:IX|IV|V?I{0,3})'
+
+english_word_numeral_list = [
+    'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten',
+    'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen', 'twenty'
+]
+
+french_word_numeral_list = [
+    'zéro', 'un', 'deux', 'trois', 'quatre', 'cinq', 'six', 'sept', 'huit', 'neuf', 'dix',
+    'onze', 'douze', 'treize', 'quatorze', 'quinze', 'seize', 'dix-sept', 'dix-huit', 'dix-neuf', 'vingt'
+]
+
+french_alt_word_numeral_list = [
+    'zero', 'une', 'deux', 'trois', 'quatre', 'cinq', 'six', 'sept', 'huit', 'neuf', 'dix',
+    'onze', 'douze', 'treize', 'quatorze', 'quinze', 'seize', 'dixsept', 'dixhuit', 'dixneuf', 'vingt'
+]
+
+
+def __build_word_numeral(*args):
+    """
+    Build word numeral regexp from list.
+
+    :param args:
+    :type args:
+    :param kwargs:
+    :type kwargs:
+    :return:
+    :rtype:
+    """
+    re_ = None
+    for word_list in args:
+        for word in word_list:
+            if not re_:
+                re_ = r'(?:(?=\w+)'
+            else:
+                re_ += '|'
+            re_ += word
+    re_ += ')'
+    return re_
+
+
+word_numeral = __build_word_numeral(english_word_numeral_list, french_word_numeral_list, french_alt_word_numeral_list)
+
+numeral = '(?:' + digital_numeral + '|' + roman_numeral + '|' + word_numeral + ')'
+
+__romanNumeralMap = (
+    ('M', 1000),
+    ('CM', 900),
+    ('D', 500),
+    ('CD', 400),
+    ('C', 100),
+    ('XC', 90),
+    ('L', 50),
+    ('XL', 40),
+    ('X', 10),
+    ('IX', 9),
+    ('V', 5),
+    ('IV', 4),
+    ('I', 1)
+)
+
+__romanNumeralPattern = re.compile('^' + roman_numeral + '$')
+
+
+def __parse_roman(value):
+    """
+    convert Roman numeral to integer
+
+    :param value: Value to parse
+    :type value: string
+    :return:
+    :rtype:
+    """
+    if not __romanNumeralPattern.search(value):
+        raise ValueError('Invalid Roman numeral: %s' % value)
+
+    result = 0
+    index = 0
+    for num, integer in __romanNumeralMap:
+        while value[index:index + len(num)] == num:
+            result += integer
+            index += len(num)
+    return result
+
+
+def __parse_word(value):
+    """
+    Convert Word numeral to integer
+
+    :param value: Value to parse
+    :type value: string
+    :return:
+    :rtype:
+    """
+    for word_list in [english_word_numeral_list, french_word_numeral_list, french_alt_word_numeral_list]:
+        try:
+            return word_list.index(value.lower())
+        except ValueError:
+            pass
+    raise ValueError  # pragma: no cover
+
+
+_clean_re = re.compile(r'[^\d]*(\d+)[^\d]*')
+
+
+def parse_numeral(value, int_enabled=True, roman_enabled=True, word_enabled=True, clean=True):
+    """
+    Parse a numeric value into integer.
+
+    :param value: Value to parse. Can be an integer, roman numeral or word.
+    :type value: string
+    :param int_enabled:
+    :type int_enabled:
+    :param roman_enabled:
+    :type roman_enabled:
+    :param word_enabled:
+    :type word_enabled:
+    :param clean:
+    :type clean:
+    :return: Numeric value, or None if value can't be parsed
+    :rtype: int
+    """
+    # pylint: disable=too-many-branches
+    if int_enabled:
+        try:
+            if clean:
+                match = _clean_re.match(value)
+                if match:
+                    clean_value = match.group(1)
+                    return int(clean_value)
+            return int(value)
+        except ValueError:
+            pass
+    if roman_enabled:
+        try:
+            if clean:
+                for word in value.split():
+                    try:
+                        return __parse_roman(word.upper())
+                    except ValueError:
+                        pass
+            return __parse_roman(value)
+        except ValueError:
+            pass
+    if word_enabled:
+        try:
+            if clean:
+                for word in value.split():
+                    try:
+                        return __parse_word(word)
+                    except ValueError:  # pragma: no cover
+                        pass
+            return __parse_word(value)  # pragma: no cover
+        except ValueError:  # pragma: no cover
+            pass
+    raise ValueError('Invalid numeral: ' + value)   # pragma: no cover