name : english_stemmer.py # Generated by Snowball 2.2.0 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class EnglishStemmer(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"arsen", -1, -1), Among(u"commun", -1, -1), Among(u"gener", -1, -1) ] a_1 = [ Among(u"'", -1, 1), Among(u"'s'", 0, 1), Among(u"'s", -1, 1) ] a_2 = [ Among(u"ied", -1, 2), Among(u"s", -1, 3), Among(u"ies", 1, 2), Among(u"sses", 1, 1), Among(u"ss", 1, -1), Among(u"us", 1, -1) ] a_3 = [ 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_4 = [ Among(u"ed", -1, 2), Among(u"eed", 0, 1), Among(u"ing", -1, 2), Among(u"edly", -1, 2), Among(u"eedly", 3, 1), Among(u"ingly", -1, 2) ] a_5 = [ Among(u"anci", -1, 3), Among(u"enci", -1, 2), Among(u"ogi", -1, 13), Among(u"li", -1, 15), Among(u"bli", 3, 12), Among(u"abli", 4, 4), Among(u"alli", 3, 8), Among(u"fulli", 3, 9), Among(u"lessli", 3, 14), Among(u"ousli", 3, 10), Among(u"entli", 3, 5), Among(u"aliti", -1, 8), Among(u"biliti", -1, 12), Among(u"iviti", -1, 11), Among(u"tional", -1, 1), Among(u"ational", 14, 7), Among(u"alism", -1, 8), Among(u"ation", -1, 7), Among(u"ization", 17, 6), Among(u"izer", -1, 6), Among(u"ator", -1, 7), Among(u"iveness", -1, 11), Among(u"fulness", -1, 9), Among(u"ousness", -1, 10) ] a_6 = [ Among(u"icate", -1, 4), Among(u"ative", -1, 6), Among(u"alize", -1, 3), Among(u"iciti", -1, 4), Among(u"ical", -1, 4), Among(u"tional", -1, 1), Among(u"ational", 5, 2), Among(u"ful", -1, 5), Among(u"ness", -1, 5) ] a_7 = [ 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) ] a_8 = [ Among(u"e", -1, 1), Among(u"l", -1, 2) ] a_9 = [ Among(u"succeed", -1, -1), Among(u"proceed", -1, -1), Among(u"exceed", -1, -1), Among(u"canning", -1, -1), Among(u"inning", -1, -1), Among(u"earring", -1, -1), Among(u"herring", -1, -1), Among(u"outing", -1, -1) ] a_10 = [ Among(u"andes", -1, -1), Among(u"atlas", -1, -1), Among(u"bias", -1, -1), Among(u"cosmos", -1, -1), Among(u"dying", -1, 3), Among(u"early", -1, 9), Among(u"gently", -1, 7), Among(u"howe", -1, -1), Among(u"idly", -1, 6), Among(u"lying", -1, 4), Among(u"news", -1, -1), Among(u"only", -1, 10), Among(u"singly", -1, 11), Among(u"skies", -1, 2), Among(u"skis", -1, 1), Among(u"sky", -1, -1), Among(u"tying", -1, 5), Among(u"ugly", -1, 8) ] g_v = [17, 65, 16, 1] g_v_WXY = [1, 17, 65, 208, 1] g_valid_LI = [55, 141, 2] B_Y_found = False I_p2 = 0 I_p1 = 0 def __r_prelude(self): self.B_Y_found = False v_1 = self.cursor try: self.bra = self.cursor if not self.eq_s(u"'"): raise lab0() self.ket = self.cursor if not self.slice_del(): return False except lab0: pass self.cursor = v_1 v_2 = self.cursor try: self.bra = self.cursor if not self.eq_s(u"y"): raise lab1() self.ket = self.cursor if not self.slice_from(u"Y"): return False self.B_Y_found = True except lab1: pass self.cursor = v_2 v_3 = self.cursor try: while True: v_4 = self.cursor try: try: while True: v_5 = self.cursor try: if not self.in_grouping(EnglishStemmer.g_v, 97, 121): raise lab5() self.bra = self.cursor if not self.eq_s(u"y"): raise lab5() self.ket = self.cursor self.cursor = v_5 raise lab4() except lab5: pass self.cursor = v_5 if self.cursor >= self.limit: raise lab3() self.cursor += 1 except lab4: pass if not self.slice_from(u"Y"): return False self.B_Y_found = True continue except lab3: pass self.cursor = v_4 break except lab2: pass self.cursor = v_3 return True def __r_mark_regions(self): self.I_p1 = self.limit self.I_p2 = self.limit v_1 = self.cursor try: try: v_2 = self.cursor try: if self.find_among(EnglishStemmer.a_0) == 0: raise lab2() raise lab1() except lab2: pass self.cursor = v_2 if not self.go_out_grouping(EnglishStemmer.g_v, 97, 121): raise lab0() self.cursor += 1 if not self.go_in_grouping(EnglishStemmer.g_v, 97, 121): raise lab0() self.cursor += 1 except lab1: pass self.I_p1 = self.cursor if not self.go_out_grouping(EnglishStemmer.g_v, 97, 121): raise lab0() self.cursor += 1 if not self.go_in_grouping(EnglishStemmer.g_v, 97, 121): raise lab0() self.cursor += 1 self.I_p2 = self.cursor except lab0: pass self.cursor = v_1 return True def __r_shortv(self): try: v_1 = self.limit - self.cursor try: if not self.out_grouping_b(EnglishStemmer.g_v_WXY, 89, 121): raise lab1() if not self.in_grouping_b(EnglishStemmer.g_v, 97, 121): raise lab1() if not self.out_grouping_b(EnglishStemmer.g_v, 97, 121): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_1 if not self.out_grouping_b(EnglishStemmer.g_v, 97, 121): return False if not self.in_grouping_b(EnglishStemmer.g_v, 97, 121): return False if self.cursor > self.limit_backward: return False except lab0: pass 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): v_1 = self.limit - self.cursor try: self.ket = self.cursor if self.find_among_b(EnglishStemmer.a_1) == 0: self.cursor = self.limit - v_1 raise lab0() self.bra = self.cursor if not self.slice_del(): return False except lab0: pass self.ket = self.cursor among_var = self.find_among_b(EnglishStemmer.a_2) 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: try: v_2 = self.limit - self.cursor try: c = self.cursor - 2 if c < self.limit_backward: raise lab2() self.cursor = c if not self.slice_from(u"i"): return False raise lab1() except lab2: pass self.cursor = self.limit - v_2 if not self.slice_from(u"ie"): return False except lab1: pass elif among_var == 3: if self.cursor <= self.limit_backward: return False self.cursor -= 1 if not self.go_out_grouping_b(EnglishStemmer.g_v, 97, 121): return False self.cursor -= 1 if not self.slice_del(): return False return True def __r_Step_1b(self): self.ket = self.cursor among_var = self.find_among_b(EnglishStemmer.a_4) 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(EnglishStemmer.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(EnglishStemmer.a_3) 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.out_grouping_b(EnglishStemmer.g_v, 97, 121): return False try: if self.cursor > self.limit_backward: raise lab2() return False except lab2: pass 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(EnglishStemmer.a_5) 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"ize"): return False elif among_var == 7: if not self.slice_from(u"ate"): return False elif among_var == 8: if not self.slice_from(u"al"): return False elif among_var == 9: if not self.slice_from(u"ful"): return False elif among_var == 10: if not self.slice_from(u"ous"): return False elif among_var == 11: if not self.slice_from(u"ive"): return False elif among_var == 12: if not self.slice_from(u"ble"): return False elif among_var == 13: if not self.eq_s_b(u"l"): return False if not self.slice_from(u"og"): return False elif among_var == 14: if not self.slice_from(u"less"): return False else: if not self.in_grouping_b(EnglishStemmer.g_valid_LI, 99, 116): return False if not self.slice_del(): return False return True def __r_Step_3(self): self.ket = self.cursor among_var = self.find_among_b(EnglishStemmer.a_6) 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"ate"): return False elif among_var == 3: if not self.slice_from(u"al"): return False elif among_var == 4: if not self.slice_from(u"ic"): return False elif among_var == 5: if not self.slice_del(): return False else: if not self.__r_R2(): return False if not self.slice_del(): return False return True def __r_Step_4(self): self.ket = self.cursor among_var = self.find_among_b(EnglishStemmer.a_7) 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_5(self): self.ket = self.cursor among_var = self.find_among_b(EnglishStemmer.a_8) if among_var == 0: return False self.bra = self.cursor if among_var == 1: 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 else: 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 __r_exception2(self): self.ket = self.cursor if self.find_among_b(EnglishStemmer.a_9) == 0: return False self.bra = self.cursor if self.cursor > self.limit_backward: return False return True def __r_exception1(self): self.bra = self.cursor among_var = self.find_among(EnglishStemmer.a_10) if among_var == 0: return False self.ket = self.cursor if self.cursor < self.limit: return False if among_var == 1: if not self.slice_from(u"ski"): return False elif among_var == 2: if not self.slice_from(u"sky"): return False elif among_var == 3: if not self.slice_from(u"die"): return False elif among_var == 4: if not self.slice_from(u"lie"): return False elif among_var == 5: if not self.slice_from(u"tie"): return False elif among_var == 6: if not self.slice_from(u"idl"): return False elif among_var == 7: if not self.slice_from(u"gentl"): return False elif among_var == 8: if not self.slice_from(u"ugli"): return False elif among_var == 9: if not self.slice_from(u"earli"): return False elif among_var == 10: if not self.slice_from(u"onli"): return False elif among_var == 11: if not self.slice_from(u"singl"): return False return True def __r_postlude(self): if not self.B_Y_found: return False while True: v_1 = self.cursor try: try: while True: v_2 = self.cursor try: self.bra = self.cursor if not self.eq_s(u"Y"): raise lab2() self.ket = self.cursor self.cursor = v_2 raise lab1() except lab2: pass self.cursor = v_2 if self.cursor >= self.limit: raise lab0() self.cursor += 1 except lab1: pass if not self.slice_from(u"y"): return False continue except lab0: pass self.cursor = v_1 break return True def _stem(self): try: v_1 = self.cursor try: if not self.__r_exception1(): raise lab1() raise lab0() except lab1: pass self.cursor = v_1 try: v_2 = self.cursor try: c = self.cursor + 3 if c > self.limit: raise lab3() self.cursor = c raise lab2() except lab3: pass self.cursor = v_2 raise lab0() except lab2: pass self.cursor = v_1 self.__r_prelude() self.__r_mark_regions() self.limit_backward = self.cursor self.cursor = self.limit v_5 = self.limit - self.cursor self.__r_Step_1a() self.cursor = self.limit - v_5 try: v_6 = self.limit - self.cursor try: if not self.__r_exception2(): raise lab5() raise lab4() except lab5: pass 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_5() self.cursor = self.limit - v_12 except lab4: pass self.cursor = self.limit_backward v_13 = self.cursor self.__r_postlude() self.cursor = v_13 except lab0: pass 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