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How to use first_child method in Selene

Best Python code snippet using selene_python

POSTree.py

Source:POSTree.py

...255        assert(srcnode != None and dstnode != None)256        srcnode.next_sibling = dstnode.next_sibling257        dstnode.next_sibling = srcnode258        return srcnode259    def __insert_as_first_child(self, srcnode, dstnode):260        assert(srcnode != None and dstnode != None)261        srcnode.next_sibling = dstnode.first_child262        dstnode.first_child = srcnode263        return srcnode264    def __insert_as_last_child(self, srcnode, dstnode):265        assert(srcnode != None and dstnode != None)266        lc = dstnode.first_child267        if lc == None:268            self.__insert_as_first_child(srcnode, dstnode)269        else:270            while lc.next_sibling != None:271                lc = lc.next_sibling272            self.__insert_after(srcnode, lc)273        return srcnode274    def __adjust_SQ_in_SBARQ(self, SQ, WH):275        prefirst, first = self.__check_ADVP(SQ, SQ.first_child)276        277        # SQ = VP278        if first.token == 'VP':279            return SQ280        # SQ = NP + VP281        if (first.token == 'NP' and first.next_sibling != None 282                and first.next_sibling.token == 'VP' and first.next_sibling.next_sibling == None):283            return SQ284        if not self.__check_VB(first):285            raise ValueError('First child of SQ in SBARQ is not VB*/MD')286        # process 's 're 've287        if first.first_child.token == "'s":288            first.first_child.token = 'is'289        elif first.first_child.token == "'re":290            first.first_child.token = 'are'291        elif first.first_child.token == "'ve":292            first.first_child.token = 'have'293        presecond, second = self.__check_ADVP(first, first.next_sibling)294        # SQ = VB* + [ADVP]295        if second == None:296            return SQ297        # process RB(not) and auxiliary do/does/did298        if second.token == 'RB' and second.first_child.token in ("n't", "not"):299            if first.first_child.token == 'ca':300                first.first_child.token = 'can not'301            else:302                first.first_child.token += ' not'303            self.__delete_tree(presecond, second)304            presecond, second = self.__check_ADVP(first, first.next_sibling)305        else:306            if first.first_child.token in ('do', 'does', 'did'):307                first.first_child.token = ''308        # SQ = VB*+PP/ADJP/VP309        if second.next_sibling == None and second.token in ('PP', 'ADJP', 'VP'):310            return SQ311        312        # SQ = VB* + NP313        #      |     |314        #     first second315        if second.token == 'NP' and second.next_sibling == None:316            fc = second.first_child317            # second = NP + ?318            #          |    |319            #          fc   sc320            if (fc.token == 'NP' and fc.next_sibling != None321                    and fc.next_sibling.next_sibling == None):322                sc = fc.next_sibling323                if ((sc.token == 'PP' and WH.token == 'WHADVP')324                        or (sc.token == 'PP' and sc.first_child.token == 'IN' 325                            and sc.first_child.next_sibling == None)326                        or (sc.token == 'NP' and ' '.join(self.__gather_word(fc)) == 'there')327                        or (sc.token == 'ADJP')328                        or (sc.token == 'SBAR' and sc.first_child.token == 'WHADVP')):329                    self.__delete_node(presecond, second)330                    VB = self.__delete_tree(prefirst, first)331                    self.__insert_after(VB, fc)332                    return SQ333            VB = self.__delete_tree(prefirst, first)334            self.__insert_after(VB, second)335            return SQ336        # SQ = VB* + NP + ? 337        #      |     |    |338        #    first second third339        if second.token == 'NP' and second.next_sibling != None:340            prethird, third = self.__check_ADVP(second, second.next_sibling)341            # SQ = VB* + NP + ADVP342            if third == None:343                VB = self.__delete_tree(prefirst, first)344                self.__insert_after(VB, second)345                return SQ346            if third.next_sibling == None:347                if ((third.token in ('ADJP', 'PP', 'NP', 'VP'))348                        or (third.token == 'S' 349                            and self.__tree_to_text(third).startswith('(S(VP(TO to)(VP(VB'))):350                    VB = self.__delete_tree(prefirst, first)351                    self.__insert_after(VB, second)352                    return SQ353        raise ValueError('Unknown SQ structure in SBARQ!')354    def __prefix_by_to_WH(self, WH):355        BY = self.Node('BY')356        BY.first_child = self.Node('by')357        self.__insert_as_first_child(BY, WH)358        return WH359    def __insert_WH_into_SQ(self, WH, SQ):360        if self.words[0] == 'why':361            self.__insert_as_last_child(WH, SQ)362            return SQ363        prefirst, first = self.__check_ADVP(SQ, SQ.first_child)364        if first.next_sibling == None:365            # SQ = VP366            if first.token == 'VP':367                self.__insert_as_first_child(WH, SQ)368                return SQ369            # SQ = NP370            if first.token == 'NP':371                self.__insert_after(WH, first)372                return SQ373            # SQ = VB*374            if self.__check_VB(first):375                self.__insert_as_first_child(WH, SQ)376                return SQ377            raise ValueError('Unknown SQ structure!')378        presecond, second = self.__check_ADVP(first, first.next_sibling)379        # SQ = VB* + ADVP380        if self.__check_VB(first) and second == None:381            self.__insert_as_first_child(WH, SQ)382            return SQ383        # SQ = VB* + VP/PP/ADJP384        #      |     |385        #    first  second386        if (self.__check_VB(first) and second.next_sibling == None 387                and second.token in ('VP', 'PP', 'ADJP')):388            self.__insert_as_first_child(WH, SQ)389            return SQ390        prethird, third = self.__check_ADVP(second, second.next_sibling)391        # SQ = NP + VB* + [ADVP]392        #      |    |      393        #    first second 394        if (first.token == 'NP' and self.__check_VB(second) and 395                (second.next_sibling == None or third == None)):396            self.__insert_after(WH, second)397            return SQ398        # SQ = NP + VP399        #      |    |400        #    first second401        if (first.token == 'NP' and second.token == 'VP' 402                and second.next_sibling == None):403            if WH.token in ('WHNP', 'WHADJP'):404                self.__insert_as_first_child(WH, SQ)405                return SQ406            if WH.token  == 'WHPP':407                self.__insert_after(WH, second)408                return SQ409        if third == None:410            raise ValueError('Unknown SQ structure!')411        # SQ = NP + VB* + ?412        #      |    |     |413        #   first second third414        if first.token == 'NP' and self.__check_VB(second) and third.next_sibling == None:415            # SQ = NP + VB* + VP416            if third.token == 'VP':417                VB = second418                VP = third...

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