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import asyncio
from enum import Enum
from typing import Any, Dict, Optional
from uuid import uuid4
PRIORITY_NORMAL = "5"
PRIORITY_HIGH = "10"
class PushType(Enum):
ALERT = "alert"
BACKGROUND = "background"
VOIP = "voip"
COMPLICATION = "complication"
FILEPROVIDER = "fileprovider"
MDM = "mdm"
LIVEACTIVITY = "liveactivity"
class NotificationRequest:
__slots__ = (
"device_token",
"message",
"notification_id",
"time_to_live",
"priority",
"collapse_key",
"push_type",
"apns_topic",
)
def __init__(
self,
device_token: str,
message: Dict[str, Any],
notification_id: Optional[str] = None,
time_to_live: Optional[int] = None,
priority: Optional[int] = None,
collapse_key: Optional[str] = None,
push_type: Optional[PushType] = None,
*,
apns_topic: Optional[str] = None,
) -> None:
self.device_token = device_token
self.message = message
self.notification_id = notification_id or str(uuid4())
self.time_to_live = time_to_live
self.priority = priority
self.collapse_key = collapse_key
self.push_type = push_type
self.apns_topic = apns_topic
class NotificationResult:
__slots__ = ("notification_id", "status", "description", "timestamp")
def __init__(
self,
notification_id: str,
status: str,
description: Optional[str] = None,
timestamp: Optional[int] = None,
):
self.notification_id = notification_id
self.status = status
self.description = description
self.timestamp = timestamp
@property
def is_successful(self) -> bool:
return self.status == APNS_RESPONSE_CODE.SUCCESS
class DynamicBoundedSemaphore(asyncio.BoundedSemaphore):
_bound_value: int
@property
def bound(self) -> int:
return self._bound_value
@bound.setter
def bound(self, new_bound: int) -> None:
if new_bound > self._bound_value:
if self._value > 0:
self._value += new_bound - self._bound_value
if self._value <= 0:
for _ in range(new_bound - self._bound_value):
self.release()
elif new_bound < self._bound_value:
self._value -= self._bound_value - new_bound
self._bound_value = new_bound
def release(self) -> None:
self._value += 1
if self._value > self._bound_value:
self._value = self._bound_value
self._wake_up_next()
def destroy(self, exc: Exception) -> None:
while self._waiters:
waiter = self._waiters.popleft()
if not waiter.done():
waiter.set_exception(exc)
class APNS_RESPONSE_CODE:
SUCCESS = "200"
BAD_REQUEST = "400"
FORBIDDEN = "403"
METHOD_NOT_ALLOWED = "405"
GONE = "410"
PAYLOAD_TOO_LARGE = "413"
TOO_MANY_REQUESTS = "429"
INTERNAL_SERVER_ERROR = "500"
SERVICE_UNAVAILABLE = "503"
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