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fix:update latest commits (#53)
* test: adding some web tests (#27792) * feat: add validation to prevent saving empty opening statement in conversation opener modal (#27843) * fix(web): improve the consistency of the inputs-form UI (#27837) * fix(web): increase z-index of PortalToFollowElemContent (#27823) * fix: installation_id is missing when in tools page (#27849) * fix: avoid passing empty uniqueIdentifier to InstallFromMarketplace (#27802) Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> * test: create new test scripts and update some existing test scripts o… (#27850) * feat: change feedback to forum (#27862) * chore: translate i18n files and update type definitions (#27868) Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com> * Fix/template transformer line number (#27867) Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com> * bump vite to 6.4.1 (#27877) * Add WEAVIATE_GRPC_ENDPOINT as designed in weaviate migration guide (#27861) Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> * Fix: correct DraftWorkflowApi.post response model (#27289) Signed-off-by: Yongtao Huang <yongtaoh2022@gmail.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> * fix Version 2.0.0-beta.2: Chat annotations Api Error #25506 (#27206) Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: Asuka Minato <i@asukaminato.eu.org> * fix jina reader creadential migration command (#27883) * fix agent putout the output of workflow-tool twice (#26835) (#27087) * fix jina reader transform (#27922) * fix: prevent fetch version info in enterprise edition (#27923) * fix(api): fix `VariablePool.get` adding unexpected keys to variable_dictionary (#26767) Co-authored-by: -LAN- <laipz8200@outlook.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * refactor: implement tenant self queue for rag tasks (#27559) Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: -LAN- <laipz8200@outlook.com> * fix: bump brotli to 1.2.0 resloved CVE-2025-6176 (#27950) Signed-off-by: kenwoodjw <blackxin55+@gmail.com> * docs: clarify how to obtain workflow_id for version execution (#28007) Signed-off-by: OneZero-Y <aukovyps@163.com> * fix: fix https://github.com/langgenius/dify/issues/27939 (#27985) * fix: the model list encountered two children with the same key (#27956) Co-authored-by: haokai <haokai@shuwen.com> * add onupdate=func.current_timestamp() (#28014) Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> * chore(deps): bump scipy-stubs from 1.16.2.3 to 1.16.3.0 in /api (#28025) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * Fix typo in weaviate comment, improve time test precision, and add security tests for get-icon utility (#27919) Signed-off-by: NeatGuyCoding <15627489+NeatGuyCoding@users.noreply.github.com> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> * feat: Add Audio Content Support for MCP Tools (#27979) * fix: elasticsearch_vector version (#28028) Co-authored-by: huangzhuo <huangzhuo1@xiaomi.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> * fix workflow default updated_at (#28047) * feat(api): Introduce Broadcast Channel (#27835) This PR introduces a `BroadcastChannel` abstraction with broadcasting and at-most once delivery semantics, serving as the communication component between celery worker and API server. It also includes a reference implementation backed by Redis PubSub. Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> * fix * back --------- Signed-off-by: Yongtao Huang <yongtaoh2022@gmail.com> Signed-off-by: kenwoodjw <blackxin55+@gmail.com> Signed-off-by: OneZero-Y <aukovyps@163.com> Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: NeatGuyCoding <15627489+NeatGuyCoding@users.noreply.github.com> Co-authored-by: aka James4u <smart.jamesjin@gmail.com> Co-authored-by: Novice <novice12185727@gmail.com> Co-authored-by: yangzheli <43645580+yangzheli@users.noreply.github.com> Co-authored-by: Elliott <105957288+Elliott-byte@users.noreply.github.com> Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com> Co-authored-by: johnny0120 <johnny0120@users.noreply.github.com> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: Gritty_dev <101377478+codomposer@users.noreply.github.com> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: wangjifeng <163279492+kk-wangjifeng@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: Boris Polonsky <BorisPolonsky@users.noreply.github.com> Co-authored-by: Yongtao Huang <yongtaoh2022@gmail.com> Co-authored-by: Cursx <33718736+Cursx@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Asuka Minato <i@asukaminato.eu.org> Co-authored-by: Jyong <76649700+JohnJyong@users.noreply.github.com> Co-authored-by: red_sun <56100962+redSun64@users.noreply.github.com> Co-authored-by: NFish <douxc512@gmail.com> Co-authored-by: QuantumGhost <obelisk.reg+git@gmail.com> Co-authored-by: -LAN- <laipz8200@outlook.com> Co-authored-by: hj24 <huangjian@dify.ai> Co-authored-by: kenwoodjw <blackxin55+@gmail.com> Co-authored-by: OneZero-Y <aukovyps@163.com> Co-authored-by: wangxiaolei <fatelei@gmail.com> Co-authored-by: Kenn <kennfalcon@gmail.com> Co-authored-by: haokai <haokai@shuwen.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: NeatGuyCoding <15627489+NeatGuyCoding@users.noreply.github.com> Co-authored-by: Will <vvfriday@gmail.com> Co-authored-by: huangzhuo1949 <167434202+huangzhuo1949@users.noreply.github.com> Co-authored-by: huangzhuo <huangzhuo1@xiaomi.com>
This commit is contained in:
134
api/libs/broadcast_channel/channel.py
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134
api/libs/broadcast_channel/channel.py
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@ -0,0 +1,134 @@
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"""
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Broadcast channel for Pub/Sub messaging.
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"""
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import types
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from abc import abstractmethod
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from collections.abc import Iterator
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from contextlib import AbstractContextManager
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from typing import Protocol, Self
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class Subscription(AbstractContextManager["Subscription"], Protocol):
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"""A subscription to a topic that provides an iterator over received messages.
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The subscription can be used as a context manager and will automatically
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close when exiting the context.
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Note: `Subscription` instances are not thread-safe. Each thread should create its own
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subscription.
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"""
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@abstractmethod
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def __iter__(self) -> Iterator[bytes]:
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"""`__iter__` returns an iterator used to consume the message from this subscription.
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If the caller did not enter the context, `__iter__` may lazily perform the setup before
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yielding messages; otherwise `__enter__` handles it.”
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If the subscription is closed, then the returned iterator exits without
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raising any error.
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"""
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...
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@abstractmethod
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def close(self) -> None:
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"""close closes the subscription, releases any resources associated with it."""
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...
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def __enter__(self) -> Self:
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"""`__enter__` does the setup logic of the subscription (if any), and return itself."""
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return self
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def __exit__(
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self,
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exc_type: type[BaseException] | None,
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exc_value: BaseException | None,
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traceback: types.TracebackType | None,
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) -> bool | None:
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self.close()
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return None
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@abstractmethod
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def receive(self, timeout: float | None = 0.1) -> bytes | None:
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"""Receive the next message from the broadcast channel.
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If `timeout` is specified, this method returns `None` if no message is
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received within the given period. If `timeout` is `None`, the call blocks
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until a message is received.
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Calling receive with `timeout=None` is highly discouraged, as it is impossible to
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cancel a blocking subscription.
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:param timeout: timeout for receive message, in seconds.
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Returns:
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bytes: The received message as a byte string, or
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None: If the timeout expires before a message is received.
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Raises:
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SubscriptionClosed: If the subscription has already been closed.
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"""
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...
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class Producer(Protocol):
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"""Producer is an interface for message publishing. It is already bound to a specific topic.
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`Producer` implementations must be thread-safe and support concurrent use by multiple threads.
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"""
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@abstractmethod
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def publish(self, payload: bytes) -> None:
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"""Publish a message to the bounded topic."""
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...
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class Subscriber(Protocol):
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"""Subscriber is an interface for subscription creation. It is already bound to a specific topic.
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`Subscriber` implementations must be thread-safe and support concurrent use by multiple threads.
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"""
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@abstractmethod
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def subscribe(self) -> Subscription:
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pass
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class Topic(Producer, Subscriber, Protocol):
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"""A named channel for publishing and subscribing to messages.
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Topics provide both read and write access. For restricted access,
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use as_producer() for write-only view or as_subscriber() for read-only view.
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`Topic` implementations must be thread-safe and support concurrent use by multiple threads.
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"""
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@abstractmethod
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def as_producer(self) -> Producer:
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"""as_producer creates a write-only view for this topic."""
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...
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@abstractmethod
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def as_subscriber(self) -> Subscriber:
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"""as_subscriber create a read-only view for this topic."""
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...
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class BroadcastChannel(Protocol):
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"""A broadcasting channel is a channel supporting broadcasting semantics.
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Each channel is identified by a topic, different topics are isolated and do not affect each other.
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There can be multiple subscriptions to a specific topic. When a publisher publishes a message to
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a specific topic, all subscription should receive the published message.
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There are no restriction for the persistence of messages. Once a subscription is created, it
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should receive all subsequent messages published.
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`BroadcastChannel` implementations must be thread-safe and support concurrent use by multiple threads.
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"""
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@abstractmethod
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def topic(self, topic: str) -> "Topic":
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"""topic returns a `Topic` instance for the given topic name."""
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...
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12
api/libs/broadcast_channel/exc.py
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12
api/libs/broadcast_channel/exc.py
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class BroadcastChannelError(Exception):
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"""`BroadcastChannelError` is the base class for all exceptions related
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to `BroadcastChannel`."""
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pass
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class SubscriptionClosedError(BroadcastChannelError):
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"""SubscriptionClosedError means that the subscription has been closed and
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methods for consuming messages should not be called."""
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pass
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3
api/libs/broadcast_channel/redis/__init__.py
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3
api/libs/broadcast_channel/redis/__init__.py
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from .channel import BroadcastChannel
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__all__ = ["BroadcastChannel"]
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200
api/libs/broadcast_channel/redis/channel.py
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200
api/libs/broadcast_channel/redis/channel.py
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import logging
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import queue
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import threading
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import types
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from collections.abc import Generator, Iterator
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from typing import Self
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from libs.broadcast_channel.channel import Producer, Subscriber, Subscription
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from libs.broadcast_channel.exc import SubscriptionClosedError
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from redis import Redis
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from redis.client import PubSub
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_logger = logging.getLogger(__name__)
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class BroadcastChannel:
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"""
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Redis Pub/Sub based broadcast channel implementation.
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Provides "at most once" delivery semantics for messages published to channels.
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Uses Redis PUBLISH/SUBSCRIBE commands for real-time message delivery.
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The `redis_client` used to construct BroadcastChannel should have `decode_responses` set to `False`.
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"""
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def __init__(
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self,
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redis_client: Redis,
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):
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self._client = redis_client
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def topic(self, topic: str) -> "Topic":
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return Topic(self._client, topic)
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class Topic:
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def __init__(self, redis_client: Redis, topic: str):
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self._client = redis_client
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self._topic = topic
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def as_producer(self) -> Producer:
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return self
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def publish(self, payload: bytes) -> None:
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self._client.publish(self._topic, payload)
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def as_subscriber(self) -> Subscriber:
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return self
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def subscribe(self) -> Subscription:
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return _RedisSubscription(
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pubsub=self._client.pubsub(),
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topic=self._topic,
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)
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class _RedisSubscription(Subscription):
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def __init__(
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self,
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pubsub: PubSub,
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topic: str,
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):
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# The _pubsub is None only if the subscription is closed.
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self._pubsub: PubSub | None = pubsub
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self._topic = topic
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self._closed = threading.Event()
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self._queue: queue.Queue[bytes] = queue.Queue(maxsize=1024)
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self._dropped_count = 0
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self._listener_thread: threading.Thread | None = None
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self._start_lock = threading.Lock()
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self._started = False
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def _start_if_needed(self) -> None:
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with self._start_lock:
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if self._started:
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return
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if self._closed.is_set():
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raise SubscriptionClosedError("The Redis subscription is closed")
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if self._pubsub is None:
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raise SubscriptionClosedError("The Redis subscription has been cleaned up")
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self._pubsub.subscribe(self._topic)
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_logger.debug("Subscribed to channel %s", self._topic)
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self._listener_thread = threading.Thread(
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target=self._listen,
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name=f"redis-broadcast-{self._topic}",
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daemon=True,
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)
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self._listener_thread.start()
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self._started = True
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def _listen(self) -> None:
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pubsub = self._pubsub
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assert pubsub is not None, "PubSub should not be None while starting listening."
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while not self._closed.is_set():
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raw_message = pubsub.get_message(ignore_subscribe_messages=True, timeout=0.1)
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if raw_message is None:
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continue
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if raw_message.get("type") != "message":
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continue
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channel_field = raw_message.get("channel")
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if isinstance(channel_field, bytes):
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channel_name = channel_field.decode("utf-8")
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elif isinstance(channel_field, str):
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channel_name = channel_field
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else:
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channel_name = str(channel_field)
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if channel_name != self._topic:
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_logger.warning("Ignoring message from unexpected channel %s", channel_name)
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continue
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payload_bytes: bytes | None = raw_message.get("data")
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if not isinstance(payload_bytes, bytes):
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_logger.error("Received invalid data from channel %s, type=%s", self._topic, type(payload_bytes))
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continue
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self._enqueue_message(payload_bytes)
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_logger.debug("Listener thread stopped for channel %s", self._topic)
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pubsub.unsubscribe(self._topic)
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pubsub.close()
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_logger.debug("PubSub closed for topic %s", self._topic)
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self._pubsub = None
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def _enqueue_message(self, payload: bytes) -> None:
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while not self._closed.is_set():
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try:
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self._queue.put_nowait(payload)
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return
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except queue.Full:
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try:
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self._queue.get_nowait()
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self._dropped_count += 1
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_logger.debug(
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"Dropped message from Redis subscription, topic=%s, total_dropped=%d",
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self._topic,
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self._dropped_count,
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)
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except queue.Empty:
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continue
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return
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def _message_iterator(self) -> Generator[bytes, None, None]:
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while not self._closed.is_set():
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try:
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item = self._queue.get(timeout=0.1)
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except queue.Empty:
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continue
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yield item
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def __iter__(self) -> Iterator[bytes]:
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if self._closed.is_set():
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raise SubscriptionClosedError("The Redis subscription is closed")
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self._start_if_needed()
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return iter(self._message_iterator())
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def receive(self, timeout: float | None = None) -> bytes | None:
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if self._closed.is_set():
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raise SubscriptionClosedError("The Redis subscription is closed")
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self._start_if_needed()
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try:
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item = self._queue.get(timeout=timeout)
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except queue.Empty:
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return None
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return item
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def __enter__(self) -> Self:
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self._start_if_needed()
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return self
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def __exit__(
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self,
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exc_type: type[BaseException] | None,
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exc_value: BaseException | None,
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traceback: types.TracebackType | None,
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) -> bool | None:
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self.close()
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return None
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def close(self) -> None:
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if self._closed.is_set():
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return
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self._closed.set()
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# NOTE: PubSub is not thread-safe. More specifically, the `PubSub.close` method and the `PubSub.get_message`
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# method should NOT be called concurrently.
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#
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# Due to the restriction above, the PubSub cleanup logic happens inside the consumer thread.
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listener = self._listener_thread
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if listener is not None:
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listener.join(timeout=1.0)
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self._listener_thread = None
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Reference in New Issue
Block a user