name : porter_stemmer.py # Generated by Snowball 2.2.0 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class PorterStemmer(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"s", -1, 3), Among(u"ies", 0, 2), Among(u"sses", 0, 1), Among(u"ss", 0, -1) ] a_1 = [ Among(u"", -1, 3), Among(u"bb", 0, 2), Among(u"dd", 0, 2), Among(u"ff", 0, 2), Among(u"gg", 0, 2), Among(u"bl", 0, 1), Among(u"mm", 0, 2), Among(u"nn", 0, 2), Among(u"pp", 0, 2), Among(u"rr", 0, 2), Among(u"at", 0, 1), Among(u"tt", 0, 2), Among(u"iz", 0, 1) ] a_2 = [ Among(u"ed", -1, 2), Among(u"eed", 0, 1), Among(u"ing", -1, 2) ] a_3 = [ Among(u"anci", -1, 3), Among(u"enci", -1, 2), Among(u"abli", -1, 4), Among(u"eli", -1, 6), Among(u"alli", -1, 9), Among(u"ousli", -1, 11), Among(u"entli", -1, 5), Among(u"aliti", -1, 9), Among(u"biliti", -1, 13), Among(u"iviti", -1, 12), Among(u"tional", -1, 1), Among(u"ational", 10, 8), Among(u"alism", -1, 9), Among(u"ation", -1, 8), Among(u"ization", 13, 7), Among(u"izer", -1, 7), Among(u"ator", -1, 8), Among(u"iveness", -1, 12), Among(u"fulness", -1, 10), Among(u"ousness", -1, 11) ] a_4 = [ Among(u"icate", -1, 2), Among(u"ative", -1, 3), Among(u"alize", -1, 1), Among(u"iciti", -1, 2), Among(u"ical", -1, 2), Among(u"ful", -1, 3), Among(u"ness", -1, 3) ] a_5 = [ Among(u"ic", -1, 1), Among(u"ance", -1, 1), Among(u"ence", -1, 1), Among(u"able", -1, 1), Among(u"ible", -1, 1), Among(u"ate", -1, 1), Among(u"ive", -1, 1), Among(u"ize", -1, 1), Among(u"iti", -1, 1), Among(u"al", -1, 1), Among(u"ism", -1, 1), Among(u"ion", -1, 2), Among(u"er", -1, 1), Among(u"ous", -1, 1), Among(u"ant", -1, 1), Among(u"ent", -1, 1), Among(u"ment", 15, 1), Among(u"ement", 16, 1), Among(u"ou", -1, 1) ] g_v = [17, 65, 16, 1] g_v_WXY = [1, 17, 65, 208, 1] B_Y_found = False I_p2 = 0 I_p1 = 0 def __r_shortv(self): if not self.out_grouping_b(PorterStemmer.g_v_WXY, 89, 121): return False if not self.in_grouping_b(PorterStemmer.g_v, 97, 121): return False if not self.out_grouping_b(PorterStemmer.g_v, 97, 121): 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_Step_1a(self): self.ket = self.cursor among_var = self.find_among_b(PorterStemmer.a_0) if among_var == 0: return False self.bra = self.cursor if among_var == 1: if not self.slice_from(u"ss"): return False elif among_var == 2: if not self.slice_from(u"i"): return False elif among_var == 3: if not self.slice_del(): return False return True def __r_Step_1b(self): self.ket = self.cursor among_var = self.find_among_b(PorterStemmer.a_2) if among_var == 0: return False self.bra = self.cursor if among_var == 1: if not self.__r_R1(): return False if not self.slice_from(u"ee"): return False else: v_1 = self.limit - self.cursor if not self.go_out_grouping_b(PorterStemmer.g_v, 97, 121): return False self.cursor -= 1 self.cursor = self.limit - v_1 if not self.slice_del(): return False v_2 = self.limit - self.cursor among_var = self.find_among_b(PorterStemmer.a_1) if among_var == 0: return False self.cursor = self.limit - v_2 if among_var == 1: c = self.cursor self.insert(self.cursor, self.cursor, u"e") self.cursor = c elif among_var == 2: self.ket = self.cursor if self.cursor <= self.limit_backward: return False self.cursor -= 1 self.bra = self.cursor if not self.slice_del(): return False else: if self.cursor != self.I_p1: return False v_3 = self.limit - self.cursor if not self.__r_shortv(): return False self.cursor = self.limit - v_3 c = self.cursor self.insert(self.cursor, self.cursor, u"e") self.cursor = c return True def __r_Step_1c(self): self.ket = self.cursor try: v_1 = self.limit - self.cursor try: if not self.eq_s_b(u"y"): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_1 if not self.eq_s_b(u"Y"): return False except lab0: pass self.bra = self.cursor if not self.go_out_grouping_b(PorterStemmer.g_v, 97, 121): return False self.cursor -= 1 if not self.slice_from(u"i"): return False return True def __r_Step_2(self): self.ket = self.cursor among_var = self.find_among_b(PorterStemmer.a_3) if among_var == 0: return False self.bra = self.cursor if not self.__r_R1(): return False if among_var == 1: if not self.slice_from(u"tion"): return False elif among_var == 2: if not self.slice_from(u"ence"): return False elif among_var == 3: if not self.slice_from(u"ance"): return False elif among_var == 4: if not self.slice_from(u"able"): return False elif among_var == 5: if not self.slice_from(u"ent"): return False elif among_var == 6: if not self.slice_from(u"e"): return False elif among_var == 7: if not self.slice_from(u"ize"): return False elif among_var == 8: if not self.slice_from(u"ate"): return False elif among_var == 9: if not self.slice_from(u"al"): return False elif among_var == 10: if not self.slice_from(u"ful"): return False elif among_var == 11: if not self.slice_from(u"ous"): return False elif among_var == 12: if not self.slice_from(u"ive"): return False else: if not self.slice_from(u"ble"): return False return True def __r_Step_3(self): self.ket = self.cursor among_var = self.find_among_b(PorterStemmer.a_4) if among_var == 0: return False self.bra = self.cursor if not self.__r_R1(): return False if among_var == 1: if not self.slice_from(u"al"): return False elif among_var == 2: if not self.slice_from(u"ic"): return False else: if not self.slice_del(): return False return True def __r_Step_4(self): self.ket = self.cursor among_var = self.find_among_b(PorterStemmer.a_5) if among_var == 0: return False self.bra = self.cursor if not self.__r_R2(): return False if among_var == 1: if not self.slice_del(): return False else: try: v_1 = self.limit - self.cursor try: if not self.eq_s_b(u"s"): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_1 if not self.eq_s_b(u"t"): return False except lab0: pass if not self.slice_del(): return False return True def __r_Step_5a(self): self.ket = self.cursor if not self.eq_s_b(u"e"): return False self.bra = self.cursor try: v_1 = self.limit - self.cursor try: if not self.__r_R2(): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_1 if not self.__r_R1(): return False v_2 = self.limit - self.cursor try: if not self.__r_shortv(): raise lab2() return False except lab2: pass self.cursor = self.limit - v_2 except lab0: pass if not self.slice_del(): return False return True def __r_Step_5b(self): self.ket = self.cursor if not self.eq_s_b(u"l"): return False self.bra = self.cursor if not self.__r_R2(): return False if not self.eq_s_b(u"l"): return False if not self.slice_del(): return False return True def _stem(self): self.B_Y_found = False v_1 = self.cursor try: self.bra = self.cursor if not self.eq_s(u"y"): raise lab0() self.ket = self.cursor if not self.slice_from(u"Y"): return False self.B_Y_found = True except lab0: pass self.cursor = v_1 v_2 = self.cursor try: while True: v_3 = self.cursor try: try: while True: v_4 = self.cursor try: if not self.in_grouping(PorterStemmer.g_v, 97, 121): raise lab4() self.bra = self.cursor if not self.eq_s(u"y"): raise lab4() self.ket = self.cursor self.cursor = v_4 raise lab3() except lab4: pass self.cursor = v_4 if self.cursor >= self.limit: raise lab2() self.cursor += 1 except lab3: pass if not self.slice_from(u"Y"): return False self.B_Y_found = True continue except lab2: pass self.cursor = v_3 break except lab1: pass self.cursor = v_2 self.I_p1 = self.limit self.I_p2 = self.limit v_5 = self.cursor try: if not self.go_out_grouping(PorterStemmer.g_v, 97, 121): raise lab5() self.cursor += 1 if not self.go_in_grouping(PorterStemmer.g_v, 97, 121): raise lab5() self.cursor += 1 self.I_p1 = self.cursor if not self.go_out_grouping(PorterStemmer.g_v, 97, 121): raise lab5() self.cursor += 1 if not self.go_in_grouping(PorterStemmer.g_v, 97, 121): raise lab5() self.cursor += 1 self.I_p2 = self.cursor except lab5: pass self.cursor = v_5 self.limit_backward = self.cursor self.cursor = self.limit v_6 = self.limit - self.cursor self.__r_Step_1a() self.cursor = self.limit - v_6 v_7 = self.limit - self.cursor self.__r_Step_1b() self.cursor = self.limit - v_7 v_8 = self.limit - self.cursor self.__r_Step_1c() self.cursor = self.limit - v_8 v_9 = self.limit - self.cursor self.__r_Step_2() self.cursor = self.limit - v_9 v_10 = self.limit - self.cursor self.__r_Step_3() self.cursor = self.limit - v_10 v_11 = self.limit - self.cursor self.__r_Step_4() self.cursor = self.limit - v_11 v_12 = self.limit - self.cursor self.__r_Step_5a() self.cursor = self.limit - v_12 v_13 = self.limit - self.cursor self.__r_Step_5b() self.cursor = self.limit - v_13 self.cursor = self.limit_backward v_14 = self.cursor try: if not self.B_Y_found: raise lab6() while True: v_15 = self.cursor try: try: while True: v_16 = self.cursor try: self.bra = self.cursor if not self.eq_s(u"Y"): raise lab9() self.ket = self.cursor self.cursor = v_16 raise lab8() except lab9: pass self.cursor = v_16 if self.cursor >= self.limit: raise lab7() self.cursor += 1 except lab8: pass if not self.slice_from(u"y"): return False continue except lab7: pass self.cursor = v_15 break except lab6: pass self.cursor = v_14 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