/
state.py
91 lines (73 loc) · 2.93 KB
/
state.py
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from __future__ import annotations
import logging
from dataclasses import dataclass, field
from pathlib import Path
from socket import socket
from ssl import SSLContext
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Set, Union
from sanic.application.constants import Mode, Server, ServerStage
from sanic.log import VerbosityFilter, logger
from sanic.server.async_server import AsyncioServer
if TYPE_CHECKING:
from sanic import Sanic
@dataclass
class ApplicationServerInfo:
settings: Dict[str, Any]
stage: ServerStage = field(default=ServerStage.STOPPED)
server: Optional[AsyncioServer] = field(default=None)
@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)
auto_reload: bool = field(default=False)
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)
primary: bool = field(default=True)
server_info: List[ApplicationServerInfo] = field(default_factory=list)
# 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)
def set_verbosity(self, value: int):
VerbosityFilter.verbosity = value
@property
def is_debug(self):
return self.mode is Mode.DEBUG
@property
def stage(self) -> ServerStage:
if not self.server_info:
return ServerStage.STOPPED
if all(info.stage is ServerStage.SERVING for info in self.server_info):
return ServerStage.SERVING
elif any(
info.stage is ServerStage.SERVING for info in self.server_info
):
return ServerStage.PARTIAL
return ServerStage.STOPPED