How to use the snowballstemmer.dutch_stemmer.DutchStemmer function in snowballstemmer

def r_postlude(self):
        # repeat, line 75
        try:
            while True:
                try:
                    v_1 = self.cursor
                    try:
                        # (, line 75
                        # [, line 77
                        self.bra = self.cursor
                        # substring, line 77
                        among_var = self.find_among(DutchStemmer.a_1, 3)
                        if among_var == 0:
                            raise lab2()
                        # ], line 77
                        self.ket = self.cursor
                        if among_var == 0:
                            raise lab2()
                        elif among_var == 1:
                            # (, line 78
                            # <-, line 78
                            if not self.slice_from(u"y"):
                                return False
                        elif among_var == 2:
                            # (, line 79
                            # <-, line 79
                            if not self.slice_from(u"i"):
                                return False

if not self.r_R1():
                    raise lab0()
                # <-, line 110
                if not self.slice_from(u"heid"):
                    return False
            elif among_var == 2:
                # (, line 113
                # call en_ending, line 113
                if not self.r_en_ending():
                    raise lab0()
            elif among_var == 3:
                # (, line 116
                # call R1, line 116
                if not self.r_R1():
                    raise lab0()
                if not self.out_grouping_b(DutchStemmer.g_v_j, 97, 232):
                    raise lab0()
                # delete, line 116
                if not self.slice_del():
                    return False

        except lab0: pass
        self.cursor = self.limit - v_1
        # do, line 120
        v_2 = self.limit - self.cursor
        try:
            # call e_ending, line 120
            if not self.r_e_ending():
                raise lab1()
        except lab1: pass
        self.cursor = self.limit - v_2
        # do, line 122

def r_prelude(self):
        # (, line 41
        # test, line 42
        v_1 = self.cursor
        # repeat, line 42
        try:
            while True:
                try:
                    v_2 = self.cursor
                    try:
                        # (, line 42
                        # [, line 43
                        self.bra = self.cursor
                        # substring, line 43
                        among_var = self.find_among(DutchStemmer.a_0, 11)
                        if among_var == 0:
                            raise lab2()
                        # ], line 43
                        self.ket = self.cursor
                        if among_var == 0:
                            raise lab2()
                        elif among_var == 1:
                            # (, line 45
                            # <-, line 45
                            if not self.slice_from(u"a"):
                                return False
                        elif among_var == 2:
                            # (, line 47
                            # <-, line 47
                            if not self.slice_from(u"e"):
                                return False

raise lab2()
            # ], line 123
            self.bra = self.cursor
            # call en_ending, line 123
            if not self.r_en_ending():
                raise lab2()
        except lab2: pass
        self.cursor = self.limit - v_3
        # do, line 126
        v_5 = self.limit - self.cursor
        try:
            # (, line 126
            # [, line 127
            self.ket = self.cursor
            # substring, line 127
            among_var = self.find_among_b(DutchStemmer.a_4, 6)
            if among_var == 0:
                raise lab4()
            # ], line 127
            self.bra = self.cursor
            if among_var == 0:
                raise lab4()
            elif among_var == 1:
                # (, line 129
                # call R2, line 129
                if not self.r_R2():
                    raise lab4()
                # delete, line 129
                if not self.slice_del():
                    return False

                # or, line 130

def equals(self, o):
        return isinstance(o, DutchStemmer)

if not self.r_R2():
                    raise lab4()
                # Boolean test e_found, line 142
                if not self.B_e_found:
                    raise lab4()
                # delete, line 142
                if not self.slice_del():
                    return False

        except lab4: pass
        self.cursor = self.limit - v_5
        # do, line 146
        v_9 = self.limit - self.cursor
        try:
            # (, line 146
            if not self.out_grouping_b(DutchStemmer.g_v_I, 73, 232):
                raise lab9()
            # test, line 148
            v_10 = self.limit - self.cursor
            # (, line 148
            # among, line 149
            if self.find_among_b(DutchStemmer.a_5, 4) == 0:
                raise lab9()
            if not self.out_grouping_b(DutchStemmer.g_v, 97, 232):
                raise lab9()
            self.cursor = self.limit - v_10
            # [, line 152
            self.ket = self.cursor
            # next, line 152
            if self.cursor <= self.limit_backward:
                raise lab9()
            self.cursor -= 1

if not self.slice_del():
                    return False

        except lab4: pass
        self.cursor = self.limit - v_5
        # do, line 146
        v_9 = self.limit - self.cursor
        try:
            # (, line 146
            if not self.out_grouping_b(DutchStemmer.g_v_I, 73, 232):
                raise lab9()
            # test, line 148
            v_10 = self.limit - self.cursor
            # (, line 148
            # among, line 149
            if self.find_among_b(DutchStemmer.a_5, 4) == 0:
                raise lab9()
            if not self.out_grouping_b(DutchStemmer.g_v, 97, 232):
                raise lab9()
            self.cursor = self.limit - v_10
            # [, line 152
            self.ket = self.cursor
            # next, line 152
            if self.cursor <= self.limit_backward:
                raise lab9()
            self.cursor -= 1
            # ], line 152
            self.bra = self.cursor
            # delete, line 152
            if not self.slice_del():
                return False

# (, line 94
        # unset e_found, line 95
        self.B_e_found = False
        # [, line 96
        self.ket = self.cursor
        # literal, line 96
        if not self.eq_s_b(1, u"e"):
            return False
        # ], line 96
        self.bra = self.cursor
        # call R1, line 96
        if not self.r_R1():
            return False
        # test, line 96
        v_1 = self.limit - self.cursor
        if not self.out_grouping_b(DutchStemmer.g_v, 97, 232):
            return False
        self.cursor = self.limit - v_1
        # delete, line 96
        if not self.slice_del():
            return False

        # set e_found, line 97
        self.B_e_found = True
        # call undouble, line 98
        if not self.r_undouble():
            return False
        return True

def r_undouble(self):
        # (, line 90
        # test, line 91
        v_1 = self.limit - self.cursor
        # among, line 91
        if self.find_among_b(DutchStemmer.a_2, 3) == 0:
            return False
        self.cursor = self.limit - v_1
        # [, line 91
        self.ket = self.cursor
        # next, line 91
        if self.cursor <= self.limit_backward:
            return False
        self.cursor -= 1
        # ], line 91
        self.bra = self.cursor
        # delete, line 91
        if not self.slice_del():
            return False

        return True

from .french_stemmer import FrenchStemmer
from .german_stemmer import GermanStemmer
from .hungarian_stemmer import HungarianStemmer
from .italian_stemmer import ItalianStemmer
from .norwegian_stemmer import NorwegianStemmer
from .porter_stemmer import PorterStemmer
from .portuguese_stemmer import PortugueseStemmer
from .romanian_stemmer import RomanianStemmer
from .russian_stemmer import RussianStemmer
from .spanish_stemmer import SpanishStemmer
from .swedish_stemmer import SwedishStemmer
from .turkish_stemmer import TurkishStemmer

_languages = {
    'danish': DanishStemmer,
    'dutch': DutchStemmer,
    'english': EnglishStemmer,
    'finnish': FinnishStemmer,
    'french': FrenchStemmer,
    'german': GermanStemmer,
    'hungarian': HungarianStemmer,
    'italian': ItalianStemmer,
    'norwegian': NorwegianStemmer,
    'porter': PorterStemmer,
    'portuguese': PortugueseStemmer,
    'romanian': RomanianStemmer,
    'russian': RussianStemmer,
    'spanish': SpanishStemmer,
    'swedish': SwedishStemmer,
    'turkish': TurkishStemmer,
}