calculate-utils-4-lib/calculate/vars/alt_datavars.py

import re


class VariableType:
    '''Базовый класс для типов.'''
    def check(self, value: str) -> bool:
        pass


class StringType(VariableType):
    pass


class IntegerType(VariableType):
    integer_pattern = re.compile(r"^-?\d+$")

    def check(self, value) -> bool:
        return self.integer_pattern.match(value)


class FloatType(VariableType):
    float_pattern = re.compile(r"^-?\d+(\.\d+)?$")

    def check(self, value) -> bool:
        return self.integer_pattern.match(value)


class BooleanType(VariableType):
    pass


class ListType(VariableType):
    pass


class ReadonlyType(VariableType):
    pass


class Variable:
    def __init__(self, variable_type: VariableType):
        self.var_type = variable_type


class Namespace:
    def __init__(self, name=''):
        self._name = name
        self.variables = dict()