9cb9e88678
Co-authored-by: L. Kärkkäinen <98187+Tronic@users.noreply.github.com> Co-authored-by: L. Karkkainen <tronic@users.noreply.github.com>
68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
import re
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from typing import Any, Optional
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from sanic.base.meta import SanicMeta
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from sanic.exceptions import SanicException
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from sanic.mixins.exceptions import ExceptionMixin
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from sanic.mixins.listeners import ListenerMixin
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from sanic.mixins.middleware import MiddlewareMixin
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from sanic.mixins.routes import RouteMixin
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from sanic.mixins.signals import SignalMixin
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from sanic.mixins.static import StaticMixin
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VALID_NAME = re.compile(r"^[a-zA-Z_][a-zA-Z0-9_\-]*$")
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class BaseSanic(
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RouteMixin,
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StaticMixin,
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MiddlewareMixin,
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ListenerMixin,
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ExceptionMixin,
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SignalMixin,
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metaclass=SanicMeta,
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):
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__slots__ = ("name",)
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def __init__(
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self, name: Optional[str] = None, *args: Any, **kwargs: Any
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) -> None:
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class_name = self.__class__.__name__
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if name is None:
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raise SanicException(
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f"{class_name} instance cannot be unnamed. "
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"Please use Sanic(name='your_application_name') instead.",
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)
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if not VALID_NAME.match(name):
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raise SanicException(
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f"{class_name} instance named '{name}' uses an invalid "
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"format. Names must begin with a character and may only "
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"contain alphanumeric characters, _, or -."
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)
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self.name = name
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for base in BaseSanic.__bases__:
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base.__init__(self, *args, **kwargs) # type: ignore
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def __str__(self) -> str:
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return f"<{self.__class__.__name__} {self.name}>"
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def __repr__(self) -> str:
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return f'{self.__class__.__name__}(name="{self.name}")'
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def __setattr__(self, name: str, value: Any) -> None:
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try:
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super().__setattr__(name, value)
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except AttributeError as e:
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raise AttributeError(
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f"Setting variables on {self.__class__.__name__} instances is "
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"not allowed. You should change your "
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f"{self.__class__.__name__} instance to use "
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f"instance.ctx.{name} instead.",
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) from e
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