nepali_stemmer.py
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# Generated by Snowball 2.2.0 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class NepaliStemmer(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"\u0932\u093E\u0907", -1, 1), Among(u"\u0932\u093E\u0908", -1, 1), Among(u"\u0938\u0901\u0917", -1, 1), Among(u"\u0938\u0902\u0917", -1, 1), Among(u"\u092E\u093E\u0930\u094D\u092B\u0924", -1, 1), Among(u"\u0930\u0924", -1, 1), Among(u"\u0915\u093E", -1, 2), Among(u"\u092E\u093E", -1, 1), Among(u"\u0926\u094D\u0935\u093E\u0930\u093E", -1, 1), Among(u"\u0915\u093F", -1, 2), Among(u"\u092A\u091B\u093F", -1, 1), Among(u"\u0915\u0940", -1, 2), Among(u"\u0932\u0947", -1, 1), Among(u"\u0915\u0948", -1, 2), Among(u"\u0938\u0901\u0917\u0948", -1, 1), Among(u"\u092E\u0948", -1, 1), Among(u"\u0915\u094B", -1, 2) ] a_1 = [ Among(u"\u0901", -1, -1), Among(u"\u0902", -1, -1), Among(u"\u0948", -1, -1) ] a_2 = [ Among(u"\u0901", -1, 1), Among(u"\u0902", -1, 1), Among(u"\u0948", -1, 2) ] a_3 = [ Among(u"\u0925\u093F\u090F", -1, 1), Among(u"\u091B", -1, 1), Among(u"\u0907\u091B", 1, 1), Among(u"\u090F\u091B", 1, 1), Among(u"\u093F\u091B", 1, 1), Among(u"\u0947\u091B", 1, 1), Among(u"\u0928\u0947\u091B", 5, 1), Among(u"\u0939\u0941\u0928\u0947\u091B", 6, 1), Among(u"\u0907\u0928\u094D\u091B", 1, 1), Among(u"\u093F\u0928\u094D\u091B", 1, 1), Among(u"\u0939\u0941\u0928\u094D\u091B", 1, 1), Among(u"\u090F\u0915\u093E", -1, 1), Among(u"\u0907\u090F\u0915\u093E", 11, 1), Among(u"\u093F\u090F\u0915\u093E", 11, 1), Among(u"\u0947\u0915\u093E", -1, 1), Among(u"\u0928\u0947\u0915\u093E", 14, 1), Among(u"\u0926\u093E", -1, 1), Among(u"\u0907\u0926\u093E", 16, 1), Among(u"\u093F\u0926\u093E", 16, 1), Among(u"\u0926\u0947\u0916\u093F", -1, 1), Among(u"\u092E\u093E\u0925\u093F", -1, 1), Among(u"\u090F\u0915\u0940", -1, 1), Among(u"\u0907\u090F\u0915\u0940", 21, 1), Among(u"\u093F\u090F\u0915\u0940", 21, 1), Among(u"\u0947\u0915\u0940", -1, 1), Among(u"\u0926\u0947\u0916\u0940", -1, 1), Among(u"\u0925\u0940", -1, 1), Among(u"\u0926\u0940", -1, 1), Among(u"\u091B\u0941", -1, 1), Among(u"\u090F\u091B\u0941", 28, 1), Among(u"\u0947\u091B\u0941", 28, 1), Among(u"\u0928\u0947\u091B\u0941", 30, 1), Among(u"\u0928\u0941", -1, 1), Among(u"\u0939\u0930\u0941", -1, 1), Among(u"\u0939\u0930\u0942", -1, 1), Among(u"\u091B\u0947", -1, 1), Among(u"\u0925\u0947", -1, 1), Among(u"\u0928\u0947", -1, 1), Among(u"\u090F\u0915\u0948", -1, 1), Among(u"\u0947\u0915\u0948", -1, 1), Among(u"\u0928\u0947\u0915\u0948", 39, 1), Among(u"\u0926\u0948", -1, 1), Among(u"\u0907\u0926\u0948", 41, 1), Among(u"\u093F\u0926\u0948", 41, 1), Among(u"\u090F\u0915\u094B", -1, 1), Among(u"\u0907\u090F\u0915\u094B", 44, 1), Among(u"\u093F\u090F\u0915\u094B", 44, 1), Among(u"\u0947\u0915\u094B", -1, 1), Among(u"\u0928\u0947\u0915\u094B", 47, 1), Among(u"\u0926\u094B", -1, 1), Among(u"\u0907\u0926\u094B", 49, 1), Among(u"\u093F\u0926\u094B", 49, 1), Among(u"\u092F\u094B", -1, 1), Among(u"\u0907\u092F\u094B", 52, 1), Among(u"\u092D\u092F\u094B", 52, 1), Among(u"\u093F\u092F\u094B", 52, 1), Among(u"\u0925\u093F\u092F\u094B", 55, 1), Among(u"\u0926\u093F\u092F\u094B", 55, 1), Among(u"\u0925\u094D\u092F\u094B", 52, 1), Among(u"\u091B\u094C", -1, 1), Among(u"\u0907\u091B\u094C", 59, 1), Among(u"\u090F\u091B\u094C", 59, 1), Among(u"\u093F\u091B\u094C", 59, 1), Among(u"\u0947\u091B\u094C", 59, 1), Among(u"\u0928\u0947\u091B\u094C", 63, 1), Among(u"\u092F\u094C", -1, 1), Among(u"\u0925\u093F\u092F\u094C", 65, 1), Among(u"\u091B\u094D\u092F\u094C", 65, 1), Among(u"\u0925\u094D\u092F\u094C", 65, 1), Among(u"\u091B\u0928\u094D", -1, 1), Among(u"\u0907\u091B\u0928\u094D", 69, 1), Among(u"\u090F\u091B\u0928\u094D", 69, 1), Among(u"\u093F\u091B\u0928\u094D", 69, 1), Among(u"\u0947\u091B\u0928\u094D", 69, 1), Among(u"\u0928\u0947\u091B\u0928\u094D", 73, 1), Among(u"\u0932\u093E\u0928\u094D", -1, 1), Among(u"\u091B\u093F\u0928\u094D", -1, 1), Among(u"\u0925\u093F\u0928\u094D", -1, 1), Among(u"\u092A\u0930\u094D", -1, 1), Among(u"\u0907\u0938\u094D", -1, 1), Among(u"\u0925\u093F\u0907\u0938\u094D", 79, 1), Among(u"\u091B\u0938\u094D", -1, 1), Among(u"\u0907\u091B\u0938\u094D", 81, 1), Among(u"\u090F\u091B\u0938\u094D", 81, 1), Among(u"\u093F\u091B\u0938\u094D", 81, 1), Among(u"\u0947\u091B\u0938\u094D", 81, 1), Among(u"\u0928\u0947\u091B\u0938\u094D", 85, 1), Among(u"\u093F\u0938\u094D", -1, 1), Among(u"\u0925\u093F\u0938\u094D", 87, 1), Among(u"\u091B\u0947\u0938\u094D", -1, 1), Among(u"\u0939\u094B\u0938\u094D", -1, 1) ] def __r_remove_category_1(self): self.ket = self.cursor among_var = self.find_among_b(NepaliStemmer.a_0) if among_var == 0: return False self.bra = self.cursor if among_var == 1: if not self.slice_del(): return False else: try: v_1 = self.limit - self.cursor try: try: v_2 = self.limit - self.cursor try: if not self.eq_s_b(u"\u090F"): raise lab3() raise lab2() except lab3: pass self.cursor = self.limit - v_2 if not self.eq_s_b(u"\u0947"): raise lab1() except lab2: pass raise lab0() except lab1: pass self.cursor = self.limit - v_1 if not self.slice_del(): return False except lab0: pass return True def __r_check_category_2(self): self.ket = self.cursor if self.find_among_b(NepaliStemmer.a_1) == 0: return False self.bra = self.cursor return True def __r_remove_category_2(self): self.ket = self.cursor among_var = self.find_among_b(NepaliStemmer.a_2) 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.eq_s_b(u"\u092F\u094C"): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_1 try: if not self.eq_s_b(u"\u091B\u094C"): raise lab2() raise lab0() except lab2: pass self.cursor = self.limit - v_1 try: if not self.eq_s_b(u"\u0928\u094C"): raise lab3() raise lab0() except lab3: pass self.cursor = self.limit - v_1 if not self.eq_s_b(u"\u0925\u0947"): return False except lab0: pass if not self.slice_del(): return False else: if not self.eq_s_b(u"\u0924\u094D\u0930"): return False if not self.slice_del(): return False return True def __r_remove_category_3(self): self.ket = self.cursor if self.find_among_b(NepaliStemmer.a_3) == 0: return False self.bra = self.cursor if not self.slice_del(): return False return True def _stem(self): self.limit_backward = self.cursor self.cursor = self.limit v_1 = self.limit - self.cursor self.__r_remove_category_1() self.cursor = self.limit - v_1 v_2 = self.limit - self.cursor try: while True: v_3 = self.limit - self.cursor try: v_4 = self.limit - self.cursor try: v_5 = self.limit - self.cursor if not self.__r_check_category_2(): raise lab2() self.cursor = self.limit - v_5 if not self.__r_remove_category_2(): raise lab2() except lab2: pass self.cursor = self.limit - v_4 if not self.__r_remove_category_3(): raise lab1() continue except lab1: pass self.cursor = self.limit - v_3 break except lab0: pass self.cursor = self.limit - v_2 self.cursor = self.limit_backward return True class lab0(BaseException): pass class lab1(BaseException): pass class lab2(BaseException): pass class lab3(BaseException): pass
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