const.py

# -*- coding: utf-8 -*-
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# *   Copyright (c) 2015-2024 by Pierre-Henri WUILLEMIN                     *
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# a way of creating constants in python
import sys
from typing import Any


class _const:
  class ConstError(TypeError):
    pass

  def __setattr__(self, name, value):
    if name in self.__dict__:
      raise self.ConstError("Can't rebind const(%s)" % name)
    self.__dict__[name] = value

  def __str__(self) -> str:
    # we do not show the colors
    d: dict[str, Any] = self.__dict__
    l: list[str] = [
      f"{self.C_MSG}{k}{self.C_END} : {self.C_VALUE}{d[k] if not k.startswith('C_') else '(escape sequence)'}{self.C_END}" for
      k in sorted(d.keys())]
    return "\n".join(l)


sys.modules[__name__] = _const()