Da

✏️ Editing: arabic_stemmer.py

# Generated by Snowball 2.2.0 - https://snowballstem.org/

from .basestemmer import BaseStemmer
from .among import Among

class ArabicStemmer(BaseStemmer):
    '''
    This class implements the stemming algorithm defined by a snowball script.
    Generated by Snowball 2.2.0 - https://snowballstem.org/
    '''

a_0 = [
        Among(u"\u0640", -1, 1),
        Among(u"\u064B", -1, 1),
        Among(u"\u064C", -1, 1),
        Among(u"\u064D", -1, 1),
        Among(u"\u064E", -1, 1),
        Among(u"\u064F", -1, 1),
        Among(u"\u0650", -1, 1),
        Among(u"\u0651", -1, 1),
        Among(u"\u0652", -1, 1),
        Among(u"\u0660", -1, 2),
        Among(u"\u0661", -1, 3),
        Among(u"\u0662", -1, 4),
        Among(u"\u0663", -1, 5),
        Among(u"\u0664", -1, 6),
        Among(u"\u0665", -1, 7),
        Among(u"\u0666", -1, 8),
        Among(u"\u0667", -1, 9),
        Among(u"\u0668", -1, 10),
        Among(u"\u0669", -1, 11),
        Among(u"\uFE80", -1, 12),
        Among(u"\uFE81", -1, 16),
        Among(u"\uFE82", -1, 16),
        Among(u"\uFE83", -1, 13),
        Among(u"\uFE84", -1, 13),
        Among(u"\uFE85", -1, 17),
        Among(u"\uFE86", -1, 17),
        Among(u"\uFE87", -1, 14),
        Among(u"\uFE88", -1, 14),
        Among(u"\uFE89", -1, 15),
        Among(u"\uFE8A", -1, 15),
        Among(u"\uFE8B", -1, 15),
        Among(u"\uFE8C", -1, 15),
        Among(u"\uFE8D", -1, 18),
        Among(u"\uFE8E", -1, 18),
        Among(u"\uFE8F", -1, 19),
        Among(u"\uFE90", -1, 19),
        Among(u"\uFE91", -1, 19),
        Among(u"\uFE92", -1, 19),
        Among(u"\uFE93", -1, 20),
        Among(u"\uFE94", -1, 20),
        Among(u"\uFE95", -1, 21),
        Among(u"\uFE96", -1, 21),
        Among(u"\uFE97", -1, 21),
        Among(u"\uFE98", -1, 21),
        Among(u"\uFE99", -1, 22),
        Among(u"\uFE9A", -1, 22),
        Among(u"\uFE9B", -1, 22),
        Among(u"\uFE9C", -1, 22),
        Among(u"\uFE9D", -1, 23),
        Among(u"\uFE9E", -1, 23),
        Among(u"\uFE9F", -1, 23),
        Among(u"\uFEA0", -1, 23),
        Among(u"\uFEA1", -1, 24),
        Among(u"\uFEA2", -1, 24),
        Among(u"\uFEA3", -1, 24),
        Among(u"\uFEA4", -1, 24),
        Among(u"\uFEA5", -1, 25),
        Among(u"\uFEA6", -1, 25),
        Among(u"\uFEA7", -1, 25),
        Among(u"\uFEA8", -1, 25),
        Among(u"\uFEA9", -1, 26),
        Among(u"\uFEAA", -1, 26),
        Among(u"\uFEAB", -1, 27),
        Among(u"\uFEAC", -1, 27),
        Among(u"\uFEAD", -1, 28),
        Among(u"\uFEAE", -1, 28),
        Among(u"\uFEAF", -1, 29),
        Among(u"\uFEB0", -1, 29),
        Among(u"\uFEB1", -1, 30),
        Among(u"\uFEB2", -1, 30),
        Among(u"\uFEB3", -1, 30),
        Among(u"\uFEB4", -1, 30),
        Among(u"\uFEB5", -1, 31),
        Among(u"\uFEB6", -1, 31),
        Among(u"\uFEB7", -1, 31),
        Among(u"\uFEB8", -1, 31),
        Among(u"\uFEB9", -1, 32),
        Among(u"\uFEBA", -1, 32),
        Among(u"\uFEBB", -1, 32),
        Among(u"\uFEBC", -1, 32),
        Among(u"\uFEBD", -1, 33),
        Among(u"\uFEBE", -1, 33),
        Among(u"\uFEBF", -1, 33),
        Among(u"\uFEC0", -1, 33),
        Among(u"\uFEC1", -1, 34),
        Among(u"\uFEC2", -1, 34),
        Among(u"\uFEC3", -1, 34),
        Among(u"\uFEC4", -1, 34),
        Among(u"\uFEC5", -1, 35),
        Among(u"\uFEC6", -1, 35),
        Among(u"\uFEC7", -1, 35),
        Among(u"\uFEC8", -1, 35),
        Among(u"\uFEC9", -1, 36),
        Among(u"\uFECA", -1, 36),
        Among(u"\uFECB", -1, 36),
        Among(u"\uFECC", -1, 36),
        Among(u"\uFECD", -1, 37),
        Among(u"\uFECE", -1, 37),
        Among(u"\uFECF", -1, 37),
        Among(u"\uFED0", -1, 37),
        Among(u"\uFED1", -1, 38),
        Among(u"\uFED2", -1, 38),
        Among(u"\uFED3", -1, 38),
        Among(u"\uFED4", -1, 38),
        Among(u"\uFED5", -1, 39),
        Among(u"\uFED6", -1, 39),
        Among(u"\uFED7", -1, 39),
        Among(u"\uFED8", -1, 39),
        Among(u"\uFED9", -1, 40),
        Among(u"\uFEDA", -1, 40),
        Among(u"\uFEDB", -1, 40),
        Among(u"\uFEDC", -1, 40),
        Among(u"\uFEDD", -1, 41),
        Among(u"\uFEDE", -1, 41),
        Among(u"\uFEDF", -1, 41),
        Among(u"\uFEE0", -1, 41),
        Among(u"\uFEE1", -1, 42),
        Among(u"\uFEE2", -1, 42),
        Among(u"\uFEE3", -1, 42),
        Among(u"\uFEE4", -1, 42),
        Among(u"\uFEE5", -1, 43),
        Among(u"\uFEE6", -1, 43),
        Among(u"\uFEE7", -1, 43),
        Among(u"\uFEE8", -1, 43),
        Among(u"\uFEE9", -1, 44),
        Among(u"\uFEEA", -1, 44),
        Among(u"\uFEEB", -1, 44),
        Among(u"\uFEEC", -1, 44),
        Among(u"\uFEED", -1, 45),
        Among(u"\uFEEE", -1, 45),
        Among(u"\uFEEF", -1, 46),
        Among(u"\uFEF0", -1, 46),
        Among(u"\uFEF1", -1, 47),
        Among(u"\uFEF2", -1, 47),
        Among(u"\uFEF3", -1, 47),
        Among(u"\uFEF4", -1, 47),
        Among(u"\uFEF5", -1, 51),
        Among(u"\uFEF6", -1, 51),
        Among(u"\uFEF7", -1, 49),
        Among(u"\uFEF8", -1, 49),
        Among(u"\uFEF9", -1, 50),
        Among(u"\uFEFA", -1, 50),
        Among(u"\uFEFB", -1, 48),
        Among(u"\uFEFC", -1, 48)
    ]

a_1 = [
        Among(u"\u0622", -1, 1),
        Among(u"\u0623", -1, 1),
        Among(u"\u0624", -1, 1),
        Among(u"\u0625", -1, 1),
        Among(u"\u0626", -1, 1)
    ]

a_2 = [
        Among(u"\u0622", -1, 1),
        Among(u"\u0623", -1, 1),
        Among(u"\u0624", -1, 2),
        Among(u"\u0625", -1, 1),
        Among(u"\u0626", -1, 3)
    ]

a_3 = [
        Among(u"\u0627\u0644", -1, 2),
        Among(u"\u0628\u0627\u0644", -1, 1),
        Among(u"\u0643\u0627\u0644", -1, 1),
        Among(u"\u0644\u0644", -1, 2)
    ]

a_4 = [
        Among(u"\u0623\u0622", -1, 2),
        Among(u"\u0623\u0623", -1, 1),
        Among(u"\u0623\u0624", -1, 1),
        Among(u"\u0623\u0625", -1, 4),
        Among(u"\u0623\u0627", -1, 3)
    ]

a_5 = [
        Among(u"\u0641", -1, 1),
        Among(u"\u0648", -1, 1)
    ]

a_6 = [
        Among(u"\u0627\u0644", -1, 2),
        Among(u"\u0628\u0627\u0644", -1, 1),
        Among(u"\u0643\u0627\u0644", -1, 1),
        Among(u"\u0644\u0644", -1, 2)
    ]

a_7 = [
        Among(u"\u0628", -1, 1),
        Among(u"\u0628\u0627", 0, -1),
        Among(u"\u0628\u0628", 0, 2),
        Among(u"\u0643\u0643", -1, 3)
    ]

a_8 = [
        Among(u"\u0633\u0623", -1, 4),
        Among(u"\u0633\u062A", -1, 2),
        Among(u"\u0633\u0646", -1, 3),
        Among(u"\u0633\u064A", -1, 1)
    ]

a_9 = [
        Among(u"\u062A\u0633\u062A", -1, 1),
        Among(u"\u0646\u0633\u062A", -1, 1),
        Among(u"\u064A\u0633\u062A", -1, 1)
    ]

a_10 = [
        Among(u"\u0643\u0645\u0627", -1, 3),
        Among(u"\u0647\u0645\u0627", -1, 3),
        Among(u"\u0646\u0627", -1, 2),
        Among(u"\u0647\u0627", -1, 2),
        Among(u"\u0643", -1, 1),
        Among(u"\u0643\u0645", -1, 2),
        Among(u"\u0647\u0645", -1, 2),
        Among(u"\u0647\u0646", -1, 2),
        Among(u"\u0647", -1, 1),
        Among(u"\u064A", -1, 1)
    ]

a_11 = [
        Among(u"\u0646", -1, 1)
    ]

a_12 = [
        Among(u"\u0627", -1, 1),
        Among(u"\u0648", -1, 1),
        Among(u"\u064A", -1, 1)
    ]

a_13 = [
        Among(u"\u0627\u062A", -1, 1)
    ]

a_14 = [
        Among(u"\u062A", -1, 1)
    ]

a_15 = [
        Among(u"\u0629", -1, 1)
    ]

a_16 = [
        Among(u"\u064A", -1, 1)
    ]

a_17 = [
        Among(u"\u0643\u0645\u0627", -1, 3),
        Among(u"\u0647\u0645\u0627", -1, 3),
        Among(u"\u0646\u0627", -1, 2),
        Among(u"\u0647\u0627", -1, 2),
        Among(u"\u0643", -1, 1),
        Among(u"\u0643\u0645", -1, 2),
        Among(u"\u0647\u0645", -1, 2),
        Among(u"\u0643\u0646", -1, 2),
        Among(u"\u0647\u0646", -1, 2),
        Among(u"\u0647", -1, 1),
        Among(u"\u0643\u0645\u0648", -1, 3),
        Among(u"\u0646\u064A", -1, 2)
    ]

a_18 = [
        Among(u"\u0627", -1, 1),
        Among(u"\u062A\u0627", 0, 2),
        Among(u"\u062A\u0645\u0627", 0, 4),
        Among(u"\u0646\u0627", 0, 2),
        Among(u"\u062A", -1, 1),
        Among(u"\u0646", -1, 1),
        Among(u"\u0627\u0646", 5, 3),
        Among(u"\u062A\u0646", 5, 2),
        Among(u"\u0648\u0646", 5, 3),
        Among(u"\u064A\u0646", 5, 3),
        Among(u"\u064A", -1, 1)
    ]

a_19 = [
        Among(u"\u0648\u0627", -1, 1),
        Among(u"\u062A\u0645", -1, 1)
    ]

a_20 = [
        Among(u"\u0648", -1, 1),
        Among(u"\u062A\u0645\u0648", 0, 2)
    ]

a_21 = [
        Among(u"\u0649", -1, 1)
    ]

B_is_defined = False
    B_is_verb = False
    B_is_noun = False

def __r_Normalize_pre(self):
        v_1 = self.cursor
        try:
            while True:
                v_2 = self.cursor
                try:
                    try:
                        v_3 = self.cursor
                        try:
                            self.bra = self.cursor
                            among_var = self.find_among(ArabicStemmer.a_0)
                            if among_var == 0:
                                raise lab3()
                            self.ket = self.cursor
                            if among_var == 1:
                                if not self.slice_del():
                                    return False

elif among_var == 2:
                                if not self.slice_from(u"0"):
                                    return False
                            elif among_var == 3:
                                if not self.slice_from(u"1"):
                                    return False
                            elif among_var == 4:
                                if not self.slice_from(u"2"):
                                    return False
                            elif among_var == 5:
                                if not self.slice_from(u"3"):
                                    return False
                            elif among_var == 6:
                                if not self.slice_from(u"4"):
                                    return False
                            elif among_var == 7:
                                if not self.slice_from(u"5"):
                                    return False
                            elif among_var == 8:
                                if not self.slice_from(u"6"):
                                    return False
                            elif among_var == 9:
                                if not self.slice_from(u"7"):
                                    return False
                            elif among_var == 10:
                                if not self.slice_from(u"8"):
                                    return False
                            elif among_var == 11:
                                if not self.slice_from(u"9"):
                                    return False
                            elif among_var == 12:
                                if not self.slice_from(u"\u0621"):
                                    return False
                            elif among_var == 13:
                                if not self.slice_from(u"\u0623"):
                                    return False
                            elif among_var == 14:
                                if not self.slice_from(u"\u0625"):
                                    return False
                            elif among_var == 15:
                                if not self.slice_from(u"\u0626"):
                                    return False
                            elif among_var == 16:
                                if not self.slice_from(u"\u0622"):
                                    return False
                            elif among_var == 17:
                                if not self.slice_from(u"\u0624"):
                                    return False
                            elif among_var == 18:
                                if not self.slice_from(u"\u0627"):
                                    return False
                            elif among_var == 19:
                                if not self.slice_from(u"\u0628"):
                                    return False
                            elif among_var == 20:
                                if not self.slice_from(u"\u0629"):
                                    return False
                            elif among_var == 21:
                                if not self.slice_from(u"\u062A"):
                                    return False
                            elif among_var == 22:
                                if not self.slice_from(u"\u062B"):
                                    return False
                            elif among_var == 23:
                                if not self.slice_from(u"\u062C"):
                                    return False
                            elif among_var == 24:
                                if not self.slice_from(u"\u062D"):
                                    return False
                            elif among_var == 25:
                                if not self.slice_from(u"\u062E"):
                                    return False
                            elif among_var == 26:
                                if not self.slice_from(u"\u062F"):
                                    return False
                            elif among_var == 27:
                                if not self.slice_from(u"\u0630"):
                                    return False
                            elif among_var == 28:
                                if not self.slice_from(u"\u0631"):
                                    return False
                            elif among_var == 29:
                                if not self.slice_from(u"\u0632"):
                                    return False
                            elif among_var == 30:
                                if not self.slice_from(u"\u0633"):
                                    return False
                            elif among_var == 31:
                                if not self.slice_from(u"\u0634"):
                                    return False
                            elif among_var == 32:
                                if not self.slice_from(u"\u0635"):
                                    return False
                            elif among_var == 33:
                                if not self.slice_from(u"\u0636"):
                                    return False
                            elif among_var == 34:
                                if not self.slice_from(u"\u0637"):
                                    return False
                            elif among_var == 35:
                                if not self.slice_from(u"\u0638"):
                                    return False
                            elif among_var == 36:
                                if not self.slice_from(u"\u0639"):
                                    return False
                            elif among_var == 37:
                                if not self.slice_from(u"\u063A"):
                                    return False
                            elif among_var == 38:
                                if not self.slice_from(u"\u0641"):
                                    return False
                            elif among_var == 39:
                                if not self.slice_from(u"\u0642"):
                                    return False
                            elif among_var == 40:
                                if not self.slice_from(u"\u0643"):
                                    return False
                            elif among_var == 41:
                                if not self.slice_from(u"\u0644"):
                                    return False
                            elif among_var == 42:
                                if not self.slice_from(u"\u0645"):
                                    return False
                            elif among_var == 43:
                                if not self.slice_from(u"\u0646"):
                                    return False
                            elif among_var == 44:
                                if not self.slice_from(u"\u0647"):
                                    return False
                            elif among_var == 45:
                                if not self.slice_from(u"\u0648"):
                                    return False
                            elif among_var == 46:
                                if not self.slice_from(u"\u0649"):
                                    return False
                            elif among_var == 47:
                                if not self.slice_from(u"\u064A"):
                                    return False
                            elif among_var == 48:
                                if not self.slice_from(u"\u0644\u0627"):
                                    return False
                            elif among_var == 49:
                                if not self.slice_from(u"\u0644\u0623"):
                                    return False
                            elif among_var == 50:
                                if not self.slice_from(u"\u0644\u0625"):
                                    return False
                            else:
                                if not self.slice_from(u"\u0644\u0622"):
                                    return False
                            raise lab2()
                        except lab3: pass
                        self.cursor = v_3
                        if self.cursor >= self.limit:
                            raise lab1()
                        self.cursor += 1
                    except lab2: pass
                    continue
                except lab1: pass
                self.cursor = v_2
                break
        except lab0: pass
        self.cursor = v_1
        return True

def __r_Normalize_post(self):
        v_1 = self.cursor
        try:
            self.limit_backward = self.cursor
            self.cursor = self.limit
            self.ket = self.cursor
            if self.find_among_b(ArabicStemmer.a_1) == 0:
                raise lab0()
            self.bra = self.cursor
            if not self.slice_from(u"\u0621"):
                return False
            self.cursor = self.limit_backward
        except lab0: pass
        self.cursor = v_1
        v_2 = self.cursor
        try:
            while True:
                v_3 = self.cursor
                try:
                    try:
                        v_4 = self.cursor
                        try:
                            self.bra = self.cursor
                            among_var = self.find_among(ArabicStemmer.a_2)
                            if among_var == 0:
                                raise lab4()
                            self.ket = self.cursor
                            if among_var == 1:
                                if not self.slice_from(u"\u0627"):
                                    return False
                            elif among_var == 2:
                                if not self.slice_from(u"\u0648"):
                                    return False
                            else:
                                if not self.slice_from(u"\u064A"):
                                    return False
                            raise lab3()
                        except lab4: pass
                        self.cursor = v_4
                        if self.cursor >= self.limit:
                            raise lab2()
                        self.cursor += 1
                    except lab3: pass
                    continue
                except lab2: pass
                self.cursor = v_3
                break
        except lab1: pass
        self.cursor = v_2
        return True

def __r_Checks1(self):
        self.bra = self.cursor
        among_var = self.find_among(ArabicStemmer.a_3)
        if among_var == 0:
            return False
        self.ket = self.cursor
        if among_var == 1:
            if not len(self.current) > 4:
                return False
            self.B_is_noun = True
            self.B_is_verb = False
            self.B_is_defined = True
        else:
            if not len(self.current) > 3:
                return False
            self.B_is_noun = True
            self.B_is_verb = False
            self.B_is_defined = True
        return True

def __r_Prefix_Step1(self):
        self.bra = self.cursor
        among_var = self.find_among(ArabicStemmer.a_4)
        if among_var == 0:
            return False
        self.ket = self.cursor
        if among_var == 1:
            if not len(self.current) > 3:
                return False
            if not self.slice_from(u"\u0623"):
                return False
        elif among_var == 2:
            if not len(self.current) > 3:
                return False
            if not self.slice_from(u"\u0622"):
                return False
        elif among_var == 3:
            if not len(self.current) > 3:
                return False
            if not self.slice_from(u"\u0627"):
                return False
        else:
            if not len(self.current) > 3:
                return False
            if not self.slice_from(u"\u0625"):
                return False
        return True

def __r_Prefix_Step2(self):
        self.bra = self.cursor
        if self.find_among(ArabicStemmer.a_5) == 0:
            return False
        self.ket = self.cursor
        if not len(self.current) > 3:
            return False
        v_1 = self.cursor
        try:
            if not self.eq_s(u"\u0627"):
                raise lab0()
            return False
        except lab0: pass
        self.cursor = v_1
        if not self.slice_del():
            return False

return True

def __r_Prefix_Step3a_Noun(self):
        self.bra = self.cursor
        among_var = self.find_among(ArabicStemmer.a_6)
        if among_var == 0:
            return False
        self.ket = self.cursor
        if among_var == 1:
            if not len(self.current) > 5:
                return False
            if not self.slice_del():
                return False

else:
            if not len(self.current) > 4:
                return False
            if not self.slice_del():
                return False

return True

def __r_Prefix_Step3b_Noun(self):
        self.bra = self.cursor
        among_var = self.find_among(ArabicStemmer.a_7)
        if among_var == 0:
            return False
        self.ket = self.cursor
        if among_var == 1:
            if not len(self.current) > 3:
                return False
            if not self.slice_del():
                return False

elif among_var == 2:
            if not len(self.current) > 3:
                return False
            if not self.slice_from(u"\u0628"):
                return False
        elif among_var == 3:
            if not len(self.current) > 3:
                return False
            if not self.slice_from(u"\u0643"):
                return False
        return True

def __r_Prefix_Step3_Verb(self):
        self.bra = self.cursor
        among_var = self.find_among(ArabicStemmer.a_8)
        if among_var == 0:
            return False
        self.ket = self.cursor
        if among_var == 1:
            if not len(self.current) > 4:
                return False
            if not self.slice_from(u"\u064A"):
                return False
        elif among_var == 2:
            if not len(self.current) > 4:
                return False
            if not self.slice_from(u"\u062A"):
                return False
        elif among_var == 3:
            if not len(self.current) > 4:
                return False
            if not self.slice_from(u"\u0646"):
                return False
        else:
            if not len(self.current) > 4:
                return False
            if not self.slice_from(u"\u0623"):
                return False
        return True

def __r_Prefix_Step4_Verb(self):
        self.bra = self.cursor
        if self.find_among(ArabicStemmer.a_9) == 0:
            return False
        self.ket = self.cursor
        if not len(self.current) > 4:
            return False
        self.B_is_verb = True
        self.B_is_noun = False
        if not self.slice_from(u"\u0627\u0633\u062A"):
            return False
        return True

def __r_Suffix_Noun_Step1a(self):
        self.ket = self.cursor
        among_var = self.find_among_b(ArabicStemmer.a_10)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not len(self.current) >= 4:
                return False
            if not self.slice_del():
                return False

elif among_var == 2:
            if not len(self.current) >= 5:
                return False
            if not self.slice_del():
                return False

else:
            if not len(self.current) >= 6:
                return False
            if not self.slice_del():
                return False

return True

def __r_Suffix_Noun_Step1b(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_11) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) > 5:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Noun_Step2a(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_12) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) > 4:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Noun_Step2b(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_13) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) >= 5:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Noun_Step2c1(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_14) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) >= 4:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Noun_Step2c2(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_15) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) >= 4:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Noun_Step3(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_16) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) >= 3:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Verb_Step1(self):
        self.ket = self.cursor
        among_var = self.find_among_b(ArabicStemmer.a_17)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not len(self.current) >= 4:
                return False
            if not self.slice_del():
                return False

elif among_var == 2:
            if not len(self.current) >= 5:
                return False
            if not self.slice_del():
                return False

else:
            if not len(self.current) >= 6:
                return False
            if not self.slice_del():
                return False

return True

def __r_Suffix_Verb_Step2a(self):
        self.ket = self.cursor
        among_var = self.find_among_b(ArabicStemmer.a_18)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not len(self.current) >= 4:
                return False
            if not self.slice_del():
                return False

elif among_var == 2:
            if not len(self.current) >= 5:
                return False
            if not self.slice_del():
                return False

elif among_var == 3:
            if not len(self.current) > 5:
                return False
            if not self.slice_del():
                return False

else:
            if not len(self.current) >= 6:
                return False
            if not self.slice_del():
                return False

return True

def __r_Suffix_Verb_Step2b(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_19) == 0:
            return False
        self.bra = self.cursor
        if not len(self.current) >= 5:
            return False
        if not self.slice_del():
            return False

return True

def __r_Suffix_Verb_Step2c(self):
        self.ket = self.cursor
        among_var = self.find_among_b(ArabicStemmer.a_20)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not len(self.current) >= 4:
                return False
            if not self.slice_del():
                return False

else:
            if not len(self.current) >= 6:
                return False
            if not self.slice_del():
                return False

return True

def __r_Suffix_All_alef_maqsura(self):
        self.ket = self.cursor
        if self.find_among_b(ArabicStemmer.a_21) == 0:
            return False
        self.bra = self.cursor
        if not self.slice_from(u"\u064A"):
            return False
        return True

def _stem(self):
        self.B_is_noun = True
        self.B_is_verb = True
        self.B_is_defined = False
        v_1 = self.cursor
        self.__r_Checks1()
        self.cursor = v_1
        self.__r_Normalize_pre()
        self.limit_backward = self.cursor
        self.cursor = self.limit
        v_3 = self.limit - self.cursor
        try:
            try:
                v_4 = self.limit - self.cursor
                try:
                    if not self.B_is_verb:
                        raise lab2()
                    try:
                        v_5 = self.limit - self.cursor
                        try:
                            v_6 = 1
                            while True:
                                v_7 = self.limit - self.cursor
                                try:
                                    if not self.__r_Suffix_Verb_Step1():
                                        raise lab5()
                                    v_6 -= 1
                                    continue
                                except lab5: pass
                                self.cursor = self.limit - v_7
                                break
                            if v_6 > 0:
                                raise lab4()
                            try:
                                v_8 = self.limit - self.cursor
                                try:
                                    if not self.__r_Suffix_Verb_Step2a():
                                        raise lab7()
                                    raise lab6()
                                except lab7: pass
                                self.cursor = self.limit - v_8
                                try:
                                    if not self.__r_Suffix_Verb_Step2c():
                                        raise lab8()
                                    raise lab6()
                                except lab8: pass
                                self.cursor = self.limit - v_8
                                if self.cursor <= self.limit_backward:
                                    raise lab4()
                                self.cursor -= 1
                            except lab6: pass
                            raise lab3()
                        except lab4: pass
                        self.cursor = self.limit - v_5
                        try:
                            if not self.__r_Suffix_Verb_Step2b():
                                raise lab9()
                            raise lab3()
                        except lab9: pass
                        self.cursor = self.limit - v_5
                        if not self.__r_Suffix_Verb_Step2a():
                            raise lab2()
                    except lab3: pass
                    raise lab1()
                except lab2: pass
                self.cursor = self.limit - v_4
                try:
                    if not self.B_is_noun:
                        raise lab10()
                    v_9 = self.limit - self.cursor
                    try:
                        try:
                            v_10 = self.limit - self.cursor
                            try:
                                if not self.__r_Suffix_Noun_Step2c2():
                                    raise lab13()
                                raise lab12()
                            except lab13: pass
                            self.cursor = self.limit - v_10
                            try:
                                try:
                                    if not self.B_is_defined:
                                        raise lab15()
                                    raise lab14()
                                except lab15: pass
                                if not self.__r_Suffix_Noun_Step1a():
                                    raise lab14()
                                try:
                                    v_12 = self.limit - self.cursor
                                    try:
                                        if not self.__r_Suffix_Noun_Step2a():
                                            raise lab17()
                                        raise lab16()
                                    except lab17: pass
                                    self.cursor = self.limit - v_12
                                    try:
                                        if not self.__r_Suffix_Noun_Step2b():
                                            raise lab18()
                                        raise lab16()
                                    except lab18: pass
                                    self.cursor = self.limit - v_12
                                    try:
                                        if not self.__r_Suffix_Noun_Step2c1():
                                            raise lab19()
                                        raise lab16()
                                    except lab19: pass
                                    self.cursor = self.limit - v_12
                                    if self.cursor <= self.limit_backward:
                                        raise lab14()
                                    self.cursor -= 1
                                except lab16: pass
                                raise lab12()
                            except lab14: pass
                            self.cursor = self.limit - v_10
                            try:
                                if not self.__r_Suffix_Noun_Step1b():
                                    raise lab20()
                                try:
                                    v_13 = self.limit - self.cursor
                                    try:
                                        if not self.__r_Suffix_Noun_Step2a():
                                            raise lab22()
                                        raise lab21()
                                    except lab22: pass
                                    self.cursor = self.limit - v_13
                                    try:
                                        if not self.__r_Suffix_Noun_Step2b():
                                            raise lab23()
                                        raise lab21()
                                    except lab23: pass
                                    self.cursor = self.limit - v_13
                                    if not self.__r_Suffix_Noun_Step2c1():
                                        raise lab20()
                                except lab21: pass
                                raise lab12()
                            except lab20: pass
                            self.cursor = self.limit - v_10
                            try:
                                try:
                                    if not self.B_is_defined:
                                        raise lab25()
                                    raise lab24()
                                except lab25: pass
                                if not self.__r_Suffix_Noun_Step2a():
                                    raise lab24()
                                raise lab12()
                            except lab24: pass
                            self.cursor = self.limit - v_10
                            if not self.__r_Suffix_Noun_Step2b():
                                self.cursor = self.limit - v_9
                                raise lab11()
                        except lab12: pass
                    except lab11: pass
                    if not self.__r_Suffix_Noun_Step3():
                        raise lab10()
                    raise lab1()
                except lab10: pass
                self.cursor = self.limit - v_4
                if not self.__r_Suffix_All_alef_maqsura():
                    raise lab0()
            except lab1: pass
        except lab0: pass
        self.cursor = self.limit - v_3
        self.cursor = self.limit_backward
        v_15 = self.cursor
        try:
            v_16 = self.cursor
            try:
                if not self.__r_Prefix_Step1():
                    self.cursor = v_16
                    raise lab27()
            except lab27: pass
            v_17 = self.cursor
            try:
                if not self.__r_Prefix_Step2():
                    self.cursor = v_17
                    raise lab28()
            except lab28: pass
            try:
                v_18 = self.cursor
                try:
                    if not self.__r_Prefix_Step3a_Noun():
                        raise lab30()
                    raise lab29()
                except lab30: pass
                self.cursor = v_18
                try:
                    if not self.B_is_noun:
                        raise lab31()
                    if not self.__r_Prefix_Step3b_Noun():
                        raise lab31()
                    raise lab29()
                except lab31: pass
                self.cursor = v_18
                if not self.B_is_verb:
                    raise lab26()
                v_19 = self.cursor
                try:
                    if not self.__r_Prefix_Step3_Verb():
                        self.cursor = v_19
                        raise lab32()
                except lab32: pass
                if not self.__r_Prefix_Step4_Verb():
                    raise lab26()
            except lab29: pass
        except lab26: pass
        self.cursor = v_15
        self.__r_Normalize_post()
        return True

class lab0(BaseException): pass

class lab1(BaseException): pass

class lab2(BaseException): pass

class lab3(BaseException): pass

class lab4(BaseException): pass

class lab5(BaseException): pass

class lab6(BaseException): pass

class lab7(BaseException): pass

class lab8(BaseException): pass

class lab9(BaseException): pass

class lab10(BaseException): pass

class lab11(BaseException): pass

class lab12(BaseException): pass

class lab13(BaseException): pass

class lab14(BaseException): pass

class lab15(BaseException): pass

class lab16(BaseException): pass

class lab17(BaseException): pass

class lab18(BaseException): pass

class lab19(BaseException): pass

class lab20(BaseException): pass

class lab21(BaseException): pass

class lab22(BaseException): pass

class lab23(BaseException): pass

class lab24(BaseException): pass

class lab25(BaseException): pass

class lab26(BaseException): pass

class lab27(BaseException): pass

class lab28(BaseException): pass

class lab29(BaseException): pass

class lab30(BaseException): pass

class lab31(BaseException): pass

class lab32(BaseException): pass

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