Пример #1
0
    def generate(self, value):

        # in format:
        #  field_name<10
        # or field_name>10
        # or field_name=10
        # or field_name<10,field_name>10
        #  10<field_name<20 don't work
        # <= and >= don't work
        try:
            value = value.lstrip().rstrip()
            if '<' in value:
                values = value.split('<')
                if len(values) == 2:
                    if TypeParser.try_parse(values[1], int):
                        first_value = int(values[1])
                        return {self.field_name: {'$lt': first_value}}
            if '>' in value:
                values = value.split('>')
                if len(values) == 2:
                    if TypeParser.try_parse(values[1], int):
                        first_value = int(values[1])
                        return {self.field_name: {'$gt': first_value}}
            if '>=' in value:
                values = value.split('>=')
                if len(values) == 2:
                    if TypeParser.try_parse(values[1], int):
                        first_value = int(values[1])
                        return {self.field_name: {'$gte': first_value}}
            if '<=' in value:
                values = value.split('<=')
                if len(values) == 2:
                    if TypeParser.try_parse(values[1], int):
                        first_value = int(values[1])
                        return {self.field_name: {'$lte': first_value}}
            else:
                if TypeParser.try_parse(value, int):
                    first_value = int(value)
                    return {self.field_name: first_value}

        except Exception:
            return None
Пример #2
0
 def generate(self, value):
     if TypeParser.try_parse(value, self.list_items_type):
         return {self.field_name: {"$in": list([self.list_items_type(value)])}}
     return None
Пример #3
0
 def generate(self, value):
     if TypeParser.try_parse(value, self.field_type):
         return {self.field_name: self.field_type(value)}
     return None