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# Copyright 2021 The NATS Authors
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from __future__ import annotations

import asyncio
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from nats.aio.subscription import Subscription

class Error(Exception):
    pass

class TimeoutError(Error, asyncio.TimeoutError):
    def __str__(self) -> str:
        return "nats: timeout"

class NoRespondersError(Error):
    def __str__(self) -> str:
        return "nats: no responders available for request"

class StaleConnectionError(Error):
    def __str__(self) -> str:
        return "nats: stale connection"

class OutboundBufferLimitError(Error):
    def __str__(self) -> str:
        return "nats: outbound buffer limit exceeded"

class UnexpectedEOF(StaleConnectionError):
    def __str__(self) -> str:
        return "nats: unexpected EOF"

class FlushTimeoutError(TimeoutError):
    def __str__(self) -> str:
        return "nats: flush timeout"

class ConnectionClosedError(Error):
    def __str__(self) -> str:
        return "nats: connection closed"

class SecureConnRequiredError(Error):
    def __str__(self) -> str:
        return "nats: secure connection required"

class SecureConnWantedError(Error):
    def __str__(self) -> str:
        return "nats: secure connection not available"

class SecureConnFailedError(Error):
    def __str__(self) -> str:
        return "nats: secure connection failed"

class BadSubscriptionError(Error):
    def __str__(self) -> str:
        return "nats: invalid subscription"

class BadSubjectError(Error):
    def __str__(self) -> str:
        return "nats: invalid subject"

class SlowConsumerError(Error):
    def __init__(self, subject: str, reply: str, sid: int, sub: Subscription) -> None:
        self.subject = subject
        self.reply = reply
        self.sid = sid
        self.sub = sub

def __str__(self) -> str:
        return f"nats: slow consumer, messages dropped subject: {self.subject}, sid: {self.sid}, sub: {self.sub}"

class BadTimeoutError(Error):
    def __str__(self) -> str:
        return "nats: timeout invalid"

class AuthorizationError(Error):
    def __str__(self) -> str:
        return "nats: authorization failed"

class NoServersError(Error):
    def __str__(self) -> str:
        return "nats: no servers available for connection"

class JsonParseError(Error):
    def __str__(self) -> str:
        return "nats: connect message, json parse err"

class MaxPayloadError(Error):
    def __str__(self) -> str:
        return "nats: maximum payload exceeded"

class DrainTimeoutError(TimeoutError):
    def __str__(self) -> str:
        return "nats: draining connection timed out"

class ConnectionDrainingError(Error):
    def __str__(self) -> str:
        return "nats: connection draining"

class ConnectionReconnectingError(Error):
    def __str__(self) -> str:
        return "nats: connection reconnecting"

class InvalidUserCredentialsError(Error):
    def __str__(self) -> str:
        return "nats: invalid user credentials"

class InvalidCallbackTypeError(Error):
    def __str__(self) -> str:
        return "nats: callbacks must be coroutine functions"

class ProtocolError(Error):
    def __str__(self) -> str:
        return "nats: protocol error"

class ServerNotInPoolError(Error):
    def __str__(self) -> str:
        return "nats: selected server is not in the pool"

class NotJSMessageError(Error):
    """
    When it is attempted to use an API meant for JetStream on a message
    that does not belong to a stream.
    """

def __str__(self) -> str:
        return "nats: not a JetStream message"

class MsgAlreadyAckdError(Error):
    def __init__(self, msg=None) -> None:
        self._msg = msg

def __str__(self) -> str:
        return f"nats: message was already acknowledged: {self._msg}"

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..	Edit
__init__.py	Edit
__pycache__	Edit
aio	Edit
errors.py	Edit
js	Edit
micro	Edit
nuid.py	Edit
protocol	Edit
py.typed	Edit