2021-12-25 22:20:06 +02:00

80 lines
2.3 KiB
Python

from __future__ import annotations
import logging
from dataclasses import dataclass, field
from enum import Enum, auto
from pathlib import Path
from socket import socket
from ssl import SSLContext
from typing import TYPE_CHECKING, Any, Optional, Set, Union
from sanic.log import logger
if TYPE_CHECKING:
from sanic import Sanic
class StrEnum(str, Enum):
def _generate_next_value_(name: str, *args) -> str: # type: ignore
return name.lower()
class Server(StrEnum):
SANIC = auto()
ASGI = auto()
GUNICORN = auto()
class Mode(StrEnum):
PRODUCTION = auto()
DEBUG = auto()
@dataclass
class ApplicationState:
app: Sanic
asgi: bool = field(default=False)
coffee: bool = field(default=False)
fast: bool = field(default=False)
host: str = field(default="")
port: int = field(default=0)
ssl: Optional[SSLContext] = field(default=None)
sock: Optional[socket] = field(default=None)
unix: Optional[str] = field(default=None)
mode: Mode = field(default=Mode.PRODUCTION)
reload_dirs: Set[Path] = field(default_factory=set)
server: Server = field(default=Server.SANIC)
is_running: bool = field(default=False)
is_started: bool = field(default=False)
is_stopping: bool = field(default=False)
verbosity: int = field(default=0)
workers: int = field(default=0)
# This property relates to the ApplicationState instance and should
# not be changed except in the __post_init__ method
_init: bool = field(default=False)
def __post_init__(self) -> None:
self._init = True
def __setattr__(self, name: str, value: Any) -> None:
if self._init and name == "_init":
raise RuntimeError(
"Cannot change the value of _init after instantiation"
)
super().__setattr__(name, value)
if self._init and hasattr(self, f"set_{name}"):
getattr(self, f"set_{name}")(value)
def set_mode(self, value: Union[str, Mode]):
if hasattr(self.app, "error_handler"):
self.app.error_handler.debug = self.app.debug
if getattr(self.app, "configure_logging", False) and self.app.debug:
logger.setLevel(logging.DEBUG)
@property
def is_debug(self):
return self.mode is Mode.DEBUG