deeppavlov/models/spelling_correction/levenshtein/levenshtein_searcher.py
def _make_default_operation_costs(self, allow_spaces=False):
        """
        sets 1.0 cost for every replacement, insertion, deletion and transposition
        """
        self.operation_costs = dict()
        self.operation_costs[""] = {c: 1.0 for c in list(self.alphabet) + [' ']}
        for a in self.alphabet:
            current_costs = {c: 1.0 for c in self.alphabet}
            current_costs[a] = 0.0
            current_costs[""] = 1.0
            if allow_spaces:
                current_costs[" "] = 1.0
            self.operation_costs[a] = current_costs
        # транспозиции
        for a, b in itertools.permutations(self.alphabet, 2):
            self.operation_costs[a + b] = {b + a: 1.0}
        # пробелы
        if allow_spaces:
            self.operation_costs[" "] = {c: 1.0 for c in self.alphabet}
            self.operation_costs[" "][""] = 1.0
def _make_default_operation_costs(self, allow_spaces=False):
        self.operation_costs = dict()
        self.operation_costs[""] = {c: 1.0 for c in list(self.alphabet) + [' ']}
        for a in self.alphabet:
            current_costs = {c: 1.0 for c in self.alphabet}
            current_costs[a] = 0.0
            current_costs[""] = 1.0
            if allow_spaces:
                current_costs[" "] = 1.0
            self.operation_costs[a] = current_costs
        # транспозиции
        for a, b in itertools.permutations(self.alphabet, 2):
            self.operation_costs[a + b] = {b + a: 1.0}
        # пробелы
        if allow_spaces:
            self.operation_costs[" "] = {c: 1.0 for c in self.alphabet}
            self.operation_costs[" "][""] = 1.0
def _make_default_operation_costs ( self , allow_spaces = False ) : self . operation_costs = dict ( ) self . operation_costs [ "" ] = { c : 1.0 for c in list ( self . alphabet ) + [ ' ' ] } for a in self . alphabet : current_costs = { c : 1.0 for c in self . alphabet } current_costs [ a ] = 0.0 current_costs [ "" ] = 1.0 if allow_spaces : current_costs [ " " ] = 1.0 self . operation_costs [ a ] = current_costs # транспозиции for a , b in itertools . permutations ( self . alphabet , 2 ) : self . operation_costs [ a + b ] = { b + a : 1.0 } # пробелы if allow_spaces : self . operation_costs [ " " ] = { c : 1.0 for c in self . alphabet } self . operation_costs [ " " ] [ "" ] = 1.0
sets 1.0 cost for every replacement, insertion, deletion and transposition
sets 1 . 0 cost for every replacement insertion deletion and transposition