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✏️ Editing: portuguese_stemmer.py

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

from .basestemmer import BaseStemmer
from .among import Among

class PortugueseStemmer(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"", -1, 3),
        Among(u"\u00E3", 0, 1),
        Among(u"\u00F5", 0, 2)
    ]

a_1 = [
        Among(u"", -1, 3),
        Among(u"a~", 0, 1),
        Among(u"o~", 0, 2)
    ]

a_2 = [
        Among(u"ic", -1, -1),
        Among(u"ad", -1, -1),
        Among(u"os", -1, -1),
        Among(u"iv", -1, 1)
    ]

a_3 = [
        Among(u"ante", -1, 1),
        Among(u"avel", -1, 1),
        Among(u"\u00EDvel", -1, 1)
    ]

a_4 = [
        Among(u"ic", -1, 1),
        Among(u"abil", -1, 1),
        Among(u"iv", -1, 1)
    ]

a_5 = [
        Among(u"ica", -1, 1),
        Among(u"\u00E2ncia", -1, 1),
        Among(u"\u00EAncia", -1, 4),
        Among(u"logia", -1, 2),
        Among(u"ira", -1, 9),
        Among(u"adora", -1, 1),
        Among(u"osa", -1, 1),
        Among(u"ista", -1, 1),
        Among(u"iva", -1, 8),
        Among(u"eza", -1, 1),
        Among(u"idade", -1, 7),
        Among(u"ante", -1, 1),
        Among(u"mente", -1, 6),
        Among(u"amente", 12, 5),
        Among(u"\u00E1vel", -1, 1),
        Among(u"\u00EDvel", -1, 1),
        Among(u"ico", -1, 1),
        Among(u"ismo", -1, 1),
        Among(u"oso", -1, 1),
        Among(u"amento", -1, 1),
        Among(u"imento", -1, 1),
        Among(u"ivo", -1, 8),
        Among(u"a\u00E7a~o", -1, 1),
        Among(u"u\u00E7a~o", -1, 3),
        Among(u"ador", -1, 1),
        Among(u"icas", -1, 1),
        Among(u"\u00EAncias", -1, 4),
        Among(u"logias", -1, 2),
        Among(u"iras", -1, 9),
        Among(u"adoras", -1, 1),
        Among(u"osas", -1, 1),
        Among(u"istas", -1, 1),
        Among(u"ivas", -1, 8),
        Among(u"ezas", -1, 1),
        Among(u"idades", -1, 7),
        Among(u"adores", -1, 1),
        Among(u"antes", -1, 1),
        Among(u"a\u00E7o~es", -1, 1),
        Among(u"u\u00E7o~es", -1, 3),
        Among(u"icos", -1, 1),
        Among(u"ismos", -1, 1),
        Among(u"osos", -1, 1),
        Among(u"amentos", -1, 1),
        Among(u"imentos", -1, 1),
        Among(u"ivos", -1, 8)
    ]

a_6 = [
        Among(u"ada", -1, 1),
        Among(u"ida", -1, 1),
        Among(u"ia", -1, 1),
        Among(u"aria", 2, 1),
        Among(u"eria", 2, 1),
        Among(u"iria", 2, 1),
        Among(u"ara", -1, 1),
        Among(u"era", -1, 1),
        Among(u"ira", -1, 1),
        Among(u"ava", -1, 1),
        Among(u"asse", -1, 1),
        Among(u"esse", -1, 1),
        Among(u"isse", -1, 1),
        Among(u"aste", -1, 1),
        Among(u"este", -1, 1),
        Among(u"iste", -1, 1),
        Among(u"ei", -1, 1),
        Among(u"arei", 16, 1),
        Among(u"erei", 16, 1),
        Among(u"irei", 16, 1),
        Among(u"am", -1, 1),
        Among(u"iam", 20, 1),
        Among(u"ariam", 21, 1),
        Among(u"eriam", 21, 1),
        Among(u"iriam", 21, 1),
        Among(u"aram", 20, 1),
        Among(u"eram", 20, 1),
        Among(u"iram", 20, 1),
        Among(u"avam", 20, 1),
        Among(u"em", -1, 1),
        Among(u"arem", 29, 1),
        Among(u"erem", 29, 1),
        Among(u"irem", 29, 1),
        Among(u"assem", 29, 1),
        Among(u"essem", 29, 1),
        Among(u"issem", 29, 1),
        Among(u"ado", -1, 1),
        Among(u"ido", -1, 1),
        Among(u"ando", -1, 1),
        Among(u"endo", -1, 1),
        Among(u"indo", -1, 1),
        Among(u"ara~o", -1, 1),
        Among(u"era~o", -1, 1),
        Among(u"ira~o", -1, 1),
        Among(u"ar", -1, 1),
        Among(u"er", -1, 1),
        Among(u"ir", -1, 1),
        Among(u"as", -1, 1),
        Among(u"adas", 47, 1),
        Among(u"idas", 47, 1),
        Among(u"ias", 47, 1),
        Among(u"arias", 50, 1),
        Among(u"erias", 50, 1),
        Among(u"irias", 50, 1),
        Among(u"aras", 47, 1),
        Among(u"eras", 47, 1),
        Among(u"iras", 47, 1),
        Among(u"avas", 47, 1),
        Among(u"es", -1, 1),
        Among(u"ardes", 58, 1),
        Among(u"erdes", 58, 1),
        Among(u"irdes", 58, 1),
        Among(u"ares", 58, 1),
        Among(u"eres", 58, 1),
        Among(u"ires", 58, 1),
        Among(u"asses", 58, 1),
        Among(u"esses", 58, 1),
        Among(u"isses", 58, 1),
        Among(u"astes", 58, 1),
        Among(u"estes", 58, 1),
        Among(u"istes", 58, 1),
        Among(u"is", -1, 1),
        Among(u"ais", 71, 1),
        Among(u"eis", 71, 1),
        Among(u"areis", 73, 1),
        Among(u"ereis", 73, 1),
        Among(u"ireis", 73, 1),
        Among(u"\u00E1reis", 73, 1),
        Among(u"\u00E9reis", 73, 1),
        Among(u"\u00EDreis", 73, 1),
        Among(u"\u00E1sseis", 73, 1),
        Among(u"\u00E9sseis", 73, 1),
        Among(u"\u00EDsseis", 73, 1),
        Among(u"\u00E1veis", 73, 1),
        Among(u"\u00EDeis", 73, 1),
        Among(u"ar\u00EDeis", 84, 1),
        Among(u"er\u00EDeis", 84, 1),
        Among(u"ir\u00EDeis", 84, 1),
        Among(u"ados", -1, 1),
        Among(u"idos", -1, 1),
        Among(u"amos", -1, 1),
        Among(u"\u00E1ramos", 90, 1),
        Among(u"\u00E9ramos", 90, 1),
        Among(u"\u00EDramos", 90, 1),
        Among(u"\u00E1vamos", 90, 1),
        Among(u"\u00EDamos", 90, 1),
        Among(u"ar\u00EDamos", 95, 1),
        Among(u"er\u00EDamos", 95, 1),
        Among(u"ir\u00EDamos", 95, 1),
        Among(u"emos", -1, 1),
        Among(u"aremos", 99, 1),
        Among(u"eremos", 99, 1),
        Among(u"iremos", 99, 1),
        Among(u"\u00E1ssemos", 99, 1),
        Among(u"\u00EAssemos", 99, 1),
        Among(u"\u00EDssemos", 99, 1),
        Among(u"imos", -1, 1),
        Among(u"armos", -1, 1),
        Among(u"ermos", -1, 1),
        Among(u"irmos", -1, 1),
        Among(u"\u00E1mos", -1, 1),
        Among(u"ar\u00E1s", -1, 1),
        Among(u"er\u00E1s", -1, 1),
        Among(u"ir\u00E1s", -1, 1),
        Among(u"eu", -1, 1),
        Among(u"iu", -1, 1),
        Among(u"ou", -1, 1),
        Among(u"ar\u00E1", -1, 1),
        Among(u"er\u00E1", -1, 1),
        Among(u"ir\u00E1", -1, 1)
    ]

a_7 = [
        Among(u"a", -1, 1),
        Among(u"i", -1, 1),
        Among(u"o", -1, 1),
        Among(u"os", -1, 1),
        Among(u"\u00E1", -1, 1),
        Among(u"\u00ED", -1, 1),
        Among(u"\u00F3", -1, 1)
    ]

a_8 = [
        Among(u"e", -1, 1),
        Among(u"\u00E7", -1, 2),
        Among(u"\u00E9", -1, 1),
        Among(u"\u00EA", -1, 1)
    ]

g_v = [17, 65, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 19, 12, 2]

I_p2 = 0
    I_p1 = 0
    I_pV = 0

def __r_prelude(self):
        while True:
            v_1 = self.cursor
            try:
                self.bra = self.cursor
                among_var = self.find_among(PortugueseStemmer.a_0)
                if among_var == 0:
                    raise lab0()
                self.ket = self.cursor
                if among_var == 1:
                    if not self.slice_from(u"a~"):
                        return False
                elif among_var == 2:
                    if not self.slice_from(u"o~"):
                        return False
                else:
                    if self.cursor >= self.limit:
                        raise lab0()
                    self.cursor += 1
                continue
            except lab0: pass
            self.cursor = v_1
            break
        return True

def __r_mark_regions(self):
        self.I_pV = self.limit
        self.I_p1 = self.limit
        self.I_p2 = self.limit
        v_1 = self.cursor
        try:
            try:
                v_2 = self.cursor
                try:
                    if not self.in_grouping(PortugueseStemmer.g_v, 97, 250):
                        raise lab2()
                    try:
                        v_3 = self.cursor
                        try:
                            if not self.out_grouping(PortugueseStemmer.g_v, 97, 250):
                                raise lab4()
                            if not self.go_out_grouping(PortugueseStemmer.g_v, 97, 250):
                                raise lab4()
                            self.cursor += 1
                            raise lab3()
                        except lab4: pass
                        self.cursor = v_3
                        if not self.in_grouping(PortugueseStemmer.g_v, 97, 250):
                            raise lab2()
                        if not self.go_in_grouping(PortugueseStemmer.g_v, 97, 250):
                            raise lab2()
                        self.cursor += 1
                    except lab3: pass
                    raise lab1()
                except lab2: pass
                self.cursor = v_2
                if not self.out_grouping(PortugueseStemmer.g_v, 97, 250):
                    raise lab0()
                try:
                    v_4 = self.cursor
                    try:
                        if not self.out_grouping(PortugueseStemmer.g_v, 97, 250):
                            raise lab6()
                        if not self.go_out_grouping(PortugueseStemmer.g_v, 97, 250):
                            raise lab6()
                        self.cursor += 1
                        raise lab5()
                    except lab6: pass
                    self.cursor = v_4
                    if not self.in_grouping(PortugueseStemmer.g_v, 97, 250):
                        raise lab0()
                    if self.cursor >= self.limit:
                        raise lab0()
                    self.cursor += 1
                except lab5: pass
            except lab1: pass
            self.I_pV = self.cursor
        except lab0: pass
        self.cursor = v_1
        v_5 = self.cursor
        try:
            if not self.go_out_grouping(PortugueseStemmer.g_v, 97, 250):
                raise lab7()
            self.cursor += 1
            if not self.go_in_grouping(PortugueseStemmer.g_v, 97, 250):
                raise lab7()
            self.cursor += 1
            self.I_p1 = self.cursor
            if not self.go_out_grouping(PortugueseStemmer.g_v, 97, 250):
                raise lab7()
            self.cursor += 1
            if not self.go_in_grouping(PortugueseStemmer.g_v, 97, 250):
                raise lab7()
            self.cursor += 1
            self.I_p2 = self.cursor
        except lab7: pass
        self.cursor = v_5
        return True

def __r_postlude(self):
        while True:
            v_1 = self.cursor
            try:
                self.bra = self.cursor
                among_var = self.find_among(PortugueseStemmer.a_1)
                if among_var == 0:
                    raise lab0()
                self.ket = self.cursor
                if among_var == 1:
                    if not self.slice_from(u"\u00E3"):
                        return False
                elif among_var == 2:
                    if not self.slice_from(u"\u00F5"):
                        return False
                else:
                    if self.cursor >= self.limit:
                        raise lab0()
                    self.cursor += 1
                continue
            except lab0: pass
            self.cursor = v_1
            break
        return True

def __r_RV(self):
        if not self.I_pV <= self.cursor:
            return False
        return True

def __r_R1(self):
        if not self.I_p1 <= self.cursor:
            return False
        return True

def __r_R2(self):
        if not self.I_p2 <= self.cursor:
            return False
        return True

def __r_standard_suffix(self):
        self.ket = self.cursor
        among_var = self.find_among_b(PortugueseStemmer.a_5)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

elif among_var == 2:
            if not self.__r_R2():
                return False
            if not self.slice_from(u"log"):
                return False
        elif among_var == 3:
            if not self.__r_R2():
                return False
            if not self.slice_from(u"u"):
                return False
        elif among_var == 4:
            if not self.__r_R2():
                return False
            if not self.slice_from(u"ente"):
                return False
        elif among_var == 5:
            if not self.__r_R1():
                return False
            if not self.slice_del():
                return False

v_1 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                among_var = self.find_among_b(PortugueseStemmer.a_2)
                if among_var == 0:
                    self.cursor = self.limit - v_1
                    raise lab0()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_1
                    raise lab0()
                if not self.slice_del():
                    return False

if among_var == 1:
                    self.ket = self.cursor
                    if not self.eq_s_b(u"at"):
                        self.cursor = self.limit - v_1
                        raise lab0()
                    self.bra = self.cursor
                    if not self.__r_R2():
                        self.cursor = self.limit - v_1
                        raise lab0()
                    if not self.slice_del():
                        return False

except lab0: pass
        elif among_var == 6:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

v_2 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if self.find_among_b(PortugueseStemmer.a_3) == 0:
                    self.cursor = self.limit - v_2
                    raise lab1()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_2
                    raise lab1()
                if not self.slice_del():
                    return False

except lab1: pass
        elif among_var == 7:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

v_3 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if self.find_among_b(PortugueseStemmer.a_4) == 0:
                    self.cursor = self.limit - v_3
                    raise lab2()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_3
                    raise lab2()
                if not self.slice_del():
                    return False

except lab2: pass
        elif among_var == 8:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

v_4 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if not self.eq_s_b(u"at"):
                    self.cursor = self.limit - v_4
                    raise lab3()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_4
                    raise lab3()
                if not self.slice_del():
                    return False

except lab3: pass
        else:
            if not self.__r_RV():
                return False
            if not self.eq_s_b(u"e"):
                return False
            if not self.slice_from(u"ir"):
                return False
        return True

def __r_verb_suffix(self):
        if self.cursor < self.I_pV:
            return False
        v_2 = self.limit_backward
        self.limit_backward = self.I_pV
        self.ket = self.cursor
        if self.find_among_b(PortugueseStemmer.a_6) == 0:
            self.limit_backward = v_2
            return False
        self.bra = self.cursor
        if not self.slice_del():
            return False

self.limit_backward = v_2
        return True

def __r_residual_suffix(self):
        self.ket = self.cursor
        if self.find_among_b(PortugueseStemmer.a_7) == 0:
            return False
        self.bra = self.cursor
        if not self.__r_RV():
            return False
        if not self.slice_del():
            return False

return True

def __r_residual_form(self):
        self.ket = self.cursor
        among_var = self.find_among_b(PortugueseStemmer.a_8)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not self.__r_RV():
                return False
            if not self.slice_del():
                return False

self.ket = self.cursor
            try:
                v_1 = self.limit - self.cursor
                try:
                    if not self.eq_s_b(u"u"):
                        raise lab1()
                    self.bra = self.cursor
                    v_2 = self.limit - self.cursor
                    if not self.eq_s_b(u"g"):
                        raise lab1()
                    self.cursor = self.limit - v_2
                    raise lab0()
                except lab1: pass
                self.cursor = self.limit - v_1
                if not self.eq_s_b(u"i"):
                    return False
                self.bra = self.cursor
                v_3 = self.limit - self.cursor
                if not self.eq_s_b(u"c"):
                    return False
                self.cursor = self.limit - v_3
            except lab0: pass
            if not self.__r_RV():
                return False
            if not self.slice_del():
                return False

else:
            if not self.slice_from(u"c"):
                return False
        return True

def _stem(self):
        v_1 = self.cursor
        self.__r_prelude()
        self.cursor = v_1
        self.__r_mark_regions()
        self.limit_backward = self.cursor
        self.cursor = self.limit
        v_3 = self.limit - self.cursor
        try:
            try:
                v_4 = self.limit - self.cursor
                try:
                    v_5 = self.limit - self.cursor
                    try:
                        v_6 = self.limit - self.cursor
                        try:
                            if not self.__r_standard_suffix():
                                raise lab4()
                            raise lab3()
                        except lab4: pass
                        self.cursor = self.limit - v_6
                        if not self.__r_verb_suffix():
                            raise lab2()
                    except lab3: pass
                    self.cursor = self.limit - v_5
                    v_7 = self.limit - self.cursor
                    try:
                        self.ket = self.cursor
                        if not self.eq_s_b(u"i"):
                            raise lab5()
                        self.bra = self.cursor
                        v_8 = self.limit - self.cursor
                        if not self.eq_s_b(u"c"):
                            raise lab5()
                        self.cursor = self.limit - v_8
                        if not self.__r_RV():
                            raise lab5()
                        if not self.slice_del():
                            return False

except lab5: pass
                    self.cursor = self.limit - v_7
                    raise lab1()
                except lab2: pass
                self.cursor = self.limit - v_4
                if not self.__r_residual_suffix():
                    raise lab0()
            except lab1: pass
        except lab0: pass
        self.cursor = self.limit - v_3
        v_9 = self.limit - self.cursor
        self.__r_residual_form()
        self.cursor = self.limit - v_9
        self.cursor = self.limit_backward
        v_10 = self.cursor
        self.__r_postlude()
        self.cursor = v_10
        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

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