mirror of
https://github.com/danswer-ai/danswer.git
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781 lines
28 KiB
Python
781 lines
28 KiB
Python
import contextvars
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import copy
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import re
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from collections.abc import Callable
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from collections.abc import Generator
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from concurrent.futures import as_completed
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from concurrent.futures import Future
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from concurrent.futures import ThreadPoolExecutor
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from datetime import datetime
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from datetime import timezone
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from typing import Any
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from typing import cast
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from typing import TypedDict
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from slack_sdk import WebClient
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from slack_sdk.errors import SlackApiError
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from onyx.configs.app_configs import ENABLE_EXPENSIVE_EXPERT_CALLS
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from onyx.configs.app_configs import INDEX_BATCH_SIZE
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from onyx.configs.constants import DocumentSource
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from onyx.connectors.exceptions import ConnectorValidationError
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from onyx.connectors.exceptions import CredentialExpiredError
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from onyx.connectors.exceptions import InsufficientPermissionsError
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from onyx.connectors.exceptions import UnexpectedError
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from onyx.connectors.interfaces import CheckpointConnector
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from onyx.connectors.interfaces import CheckpointOutput
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from onyx.connectors.interfaces import GenerateSlimDocumentOutput
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from onyx.connectors.interfaces import SecondsSinceUnixEpoch
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from onyx.connectors.interfaces import SlimConnector
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from onyx.connectors.models import BasicExpertInfo
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from onyx.connectors.models import ConnectorCheckpoint
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from onyx.connectors.models import ConnectorFailure
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from onyx.connectors.models import ConnectorMissingCredentialError
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from onyx.connectors.models import Document
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from onyx.connectors.models import DocumentFailure
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from onyx.connectors.models import EntityFailure
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from onyx.connectors.models import Section
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from onyx.connectors.models import SlimDocument
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from onyx.connectors.slack.utils import expert_info_from_slack_id
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from onyx.connectors.slack.utils import get_message_link
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from onyx.connectors.slack.utils import make_paginated_slack_api_call_w_retries
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from onyx.connectors.slack.utils import make_slack_api_call_w_retries
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from onyx.connectors.slack.utils import SlackTextCleaner
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from onyx.indexing.indexing_heartbeat import IndexingHeartbeatInterface
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from onyx.utils.logger import setup_logger
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logger = setup_logger()
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_SLACK_LIMIT = 900
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ChannelType = dict[str, Any]
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MessageType = dict[str, Any]
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# list of messages in a thread
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ThreadType = list[MessageType]
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class SlackCheckpointContent(TypedDict):
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channel_ids: list[str]
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channel_completion_map: dict[str, str]
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current_channel: ChannelType | None
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seen_thread_ts: list[str]
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def _collect_paginated_channels(
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client: WebClient,
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exclude_archived: bool,
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channel_types: list[str],
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) -> list[ChannelType]:
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channels: list[dict[str, Any]] = []
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for result in make_paginated_slack_api_call_w_retries(
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client.conversations_list,
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exclude_archived=exclude_archived,
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# also get private channels the bot is added to
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types=channel_types,
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):
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channels.extend(result["channels"])
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return channels
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def get_channels(
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client: WebClient,
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exclude_archived: bool = True,
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get_public: bool = True,
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get_private: bool = True,
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) -> list[ChannelType]:
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"""Get all channels in the workspace."""
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channels: list[dict[str, Any]] = []
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channel_types = []
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if get_public:
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channel_types.append("public_channel")
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if get_private:
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channel_types.append("private_channel")
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# Try fetching both public and private channels first:
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try:
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channels = _collect_paginated_channels(
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client=client,
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exclude_archived=exclude_archived,
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channel_types=channel_types,
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)
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except SlackApiError as e:
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logger.info(
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f"Unable to fetch private channels due to: {e}. Trying again without private channels."
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)
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if get_public:
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channel_types = ["public_channel"]
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else:
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logger.warning("No channels to fetch.")
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return []
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channels = _collect_paginated_channels(
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client=client,
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exclude_archived=exclude_archived,
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channel_types=channel_types,
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)
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return channels
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def get_channel_messages(
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client: WebClient,
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channel: dict[str, Any],
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oldest: str | None = None,
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latest: str | None = None,
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callback: IndexingHeartbeatInterface | None = None,
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) -> Generator[list[MessageType], None, None]:
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"""Get all messages in a channel"""
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# join so that the bot can access messages
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if not channel["is_member"]:
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make_slack_api_call_w_retries(
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client.conversations_join,
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channel=channel["id"],
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is_private=channel["is_private"],
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)
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logger.info(f"Successfully joined '{channel['name']}'")
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for result in make_paginated_slack_api_call_w_retries(
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client.conversations_history,
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channel=channel["id"],
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oldest=oldest,
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latest=latest,
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):
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if callback:
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if callback.should_stop():
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raise RuntimeError("get_channel_messages: Stop signal detected")
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callback.progress("get_channel_messages", 0)
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yield cast(list[MessageType], result["messages"])
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def get_thread(client: WebClient, channel_id: str, thread_id: str) -> ThreadType:
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"""Get all messages in a thread"""
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threads: list[MessageType] = []
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for result in make_paginated_slack_api_call_w_retries(
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client.conversations_replies, channel=channel_id, ts=thread_id
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):
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threads.extend(result["messages"])
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return threads
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def get_latest_message_time(thread: ThreadType) -> datetime:
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max_ts = max([float(msg.get("ts", 0)) for msg in thread])
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return datetime.fromtimestamp(max_ts, tz=timezone.utc)
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def _build_doc_id(channel_id: str, thread_ts: str) -> str:
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return f"{channel_id}__{thread_ts}"
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def thread_to_doc(
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channel: ChannelType,
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thread: ThreadType,
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slack_cleaner: SlackTextCleaner,
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client: WebClient,
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user_cache: dict[str, BasicExpertInfo | None],
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) -> Document:
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channel_id = channel["id"]
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initial_sender_expert_info = expert_info_from_slack_id(
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user_id=thread[0].get("user"), client=client, user_cache=user_cache
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)
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initial_sender_name = (
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initial_sender_expert_info.get_semantic_name()
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if initial_sender_expert_info
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else "Unknown"
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)
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valid_experts = None
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if ENABLE_EXPENSIVE_EXPERT_CALLS:
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all_sender_ids = [m.get("user") for m in thread]
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experts = [
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expert_info_from_slack_id(
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user_id=sender_id, client=client, user_cache=user_cache
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)
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for sender_id in all_sender_ids
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if sender_id
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]
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valid_experts = [expert for expert in experts if expert]
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first_message = slack_cleaner.index_clean(cast(str, thread[0]["text"]))
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snippet = (
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first_message[:50].rstrip() + "..."
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if len(first_message) > 50
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else first_message
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)
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doc_sem_id = f"{initial_sender_name} in #{channel['name']}: {snippet}".replace(
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"\n", " "
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)
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return Document(
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id=_build_doc_id(channel_id=channel_id, thread_ts=thread[0]["ts"]),
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sections=[
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Section(
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link=get_message_link(event=m, client=client, channel_id=channel_id),
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text=slack_cleaner.index_clean(cast(str, m["text"])),
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)
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for m in thread
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],
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source=DocumentSource.SLACK,
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semantic_identifier=doc_sem_id,
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doc_updated_at=get_latest_message_time(thread),
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title="", # slack docs don't really have a "title"
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primary_owners=valid_experts,
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metadata={"Channel": channel["name"]},
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)
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# list of subtypes can be found here: https://api.slack.com/events/message
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_DISALLOWED_MSG_SUBTYPES = {
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"channel_join",
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"channel_leave",
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"channel_archive",
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"channel_unarchive",
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"pinned_item",
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"unpinned_item",
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"ekm_access_denied",
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"channel_posting_permissions",
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"group_join",
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"group_leave",
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"group_archive",
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"group_unarchive",
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"channel_leave",
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"channel_name",
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"channel_join",
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}
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def default_msg_filter(message: MessageType) -> bool:
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# Don't keep messages from bots
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if message.get("bot_id") or message.get("app_id"):
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if message.get("bot_profile", {}).get("name") == "OnyxConnector":
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return False
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return True
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# Uninformative
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if message.get("subtype", "") in _DISALLOWED_MSG_SUBTYPES:
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return True
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return False
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def filter_channels(
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all_channels: list[dict[str, Any]],
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channels_to_connect: list[str] | None,
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regex_enabled: bool,
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) -> list[dict[str, Any]]:
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if not channels_to_connect:
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return all_channels
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if regex_enabled:
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return [
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channel
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for channel in all_channels
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if any(
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re.fullmatch(channel_to_connect, channel["name"])
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for channel_to_connect in channels_to_connect
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)
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]
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# validate that all channels in `channels_to_connect` are valid
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# fail loudly in the case of an invalid channel so that the user
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# knows that one of the channels they've specified is typo'd or private
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all_channel_names = {channel["name"] for channel in all_channels}
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for channel in channels_to_connect:
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if channel not in all_channel_names:
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raise ValueError(
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f"Channel '{channel}' not found in workspace. "
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f"Available channels: {all_channel_names}"
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)
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return [
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channel for channel in all_channels if channel["name"] in channels_to_connect
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]
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def _get_channel_by_id(client: WebClient, channel_id: str) -> ChannelType:
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"""Get a channel by its ID.
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Args:
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client: The Slack WebClient instance
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channel_id: The ID of the channel to fetch
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Returns:
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The channel information
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Raises:
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SlackApiError: If the channel cannot be fetched
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"""
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response = make_slack_api_call_w_retries(
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client.conversations_info,
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channel=channel_id,
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)
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return cast(ChannelType, response["channel"])
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def _get_messages(
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channel: ChannelType,
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client: WebClient,
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oldest: str | None = None,
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latest: str | None = None,
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) -> tuple[list[MessageType], bool]:
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"""Slack goes from newest to oldest."""
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# have to be in the channel in order to read messages
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if not channel["is_member"]:
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make_slack_api_call_w_retries(
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client.conversations_join,
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channel=channel["id"],
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is_private=channel["is_private"],
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)
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logger.info(f"Successfully joined '{channel['name']}'")
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response = make_slack_api_call_w_retries(
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client.conversations_history,
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channel=channel["id"],
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oldest=oldest,
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latest=latest,
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limit=_SLACK_LIMIT,
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)
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response.validate()
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messages = cast(list[MessageType], response.get("messages", []))
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cursor = cast(dict[str, Any], response.get("response_metadata", {})).get(
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"next_cursor", ""
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)
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has_more = bool(cursor)
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return messages, has_more
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def _message_to_doc(
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message: MessageType,
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client: WebClient,
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channel: ChannelType,
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slack_cleaner: SlackTextCleaner,
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user_cache: dict[str, BasicExpertInfo | None],
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seen_thread_ts: set[str],
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msg_filter_func: Callable[[MessageType], bool] = default_msg_filter,
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) -> Document | None:
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filtered_thread: ThreadType | None = None
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thread_ts = message.get("thread_ts")
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if thread_ts:
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# skip threads we've already seen, since we've already processed all
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# messages in that thread
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if thread_ts in seen_thread_ts:
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return None
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thread = get_thread(
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client=client, channel_id=channel["id"], thread_id=thread_ts
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)
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filtered_thread = [
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message for message in thread if not msg_filter_func(message)
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]
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elif not msg_filter_func(message):
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filtered_thread = [message]
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if filtered_thread:
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return thread_to_doc(
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channel=channel,
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thread=filtered_thread,
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slack_cleaner=slack_cleaner,
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client=client,
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user_cache=user_cache,
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)
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return None
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def _get_all_doc_ids(
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client: WebClient,
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channels: list[str] | None = None,
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channel_name_regex_enabled: bool = False,
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msg_filter_func: Callable[[MessageType], bool] = default_msg_filter,
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callback: IndexingHeartbeatInterface | None = None,
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) -> GenerateSlimDocumentOutput:
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"""
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Get all document ids in the workspace, channel by channel
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This is pretty identical to get_all_docs, but it returns a set of ids instead of documents
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This makes it an order of magnitude faster than get_all_docs
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"""
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all_channels = get_channels(client)
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filtered_channels = filter_channels(
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all_channels, channels, channel_name_regex_enabled
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)
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for channel in filtered_channels:
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channel_id = channel["id"]
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channel_message_batches = get_channel_messages(
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client=client,
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channel=channel,
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callback=callback,
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)
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message_ts_set: set[str] = set()
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for message_batch in channel_message_batches:
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for message in message_batch:
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if msg_filter_func(message):
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continue
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# The document id is the channel id and the ts of the first message in the thread
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# Since we already have the first message of the thread, we dont have to
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# fetch the thread for id retrieval, saving time and API calls
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message_ts_set.add(message["ts"])
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channel_metadata_list: list[SlimDocument] = []
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for message_ts in message_ts_set:
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channel_metadata_list.append(
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SlimDocument(
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id=_build_doc_id(channel_id=channel_id, thread_ts=message_ts),
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perm_sync_data={"channel_id": channel_id},
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)
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)
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yield channel_metadata_list
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def _process_message(
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message: MessageType,
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client: WebClient,
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channel: ChannelType,
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slack_cleaner: SlackTextCleaner,
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user_cache: dict[str, BasicExpertInfo | None],
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seen_thread_ts: set[str],
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msg_filter_func: Callable[[MessageType], bool] = default_msg_filter,
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) -> tuple[Document | None, str | None, ConnectorFailure | None]:
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thread_ts = message.get("thread_ts")
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try:
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# causes random failures for testing checkpointing / continue on failure
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# import random
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# if random.random() > 0.95:
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# raise RuntimeError("Random failure :P")
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doc = _message_to_doc(
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message=message,
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client=client,
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channel=channel,
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slack_cleaner=slack_cleaner,
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user_cache=user_cache,
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seen_thread_ts=seen_thread_ts,
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msg_filter_func=msg_filter_func,
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)
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return (doc, thread_ts, None)
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except Exception as e:
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logger.exception(f"Error processing message {message['ts']}")
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return (
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None,
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thread_ts,
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ConnectorFailure(
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failed_document=DocumentFailure(
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document_id=_build_doc_id(
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channel_id=channel["id"], thread_ts=(thread_ts or message["ts"])
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),
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document_link=get_message_link(message, client, channel["id"]),
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),
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failure_message=str(e),
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exception=e,
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),
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)
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|
|
|
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class SlackConnector(SlimConnector, CheckpointConnector):
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def __init__(
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self,
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channels: list[str] | None = None,
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# if specified, will treat the specified channel strings as
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# regexes, and will only index channels that fully match the regexes
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channel_regex_enabled: bool = False,
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batch_size: int = INDEX_BATCH_SIZE,
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) -> None:
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self.channels = channels
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self.channel_regex_enabled = channel_regex_enabled
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self.batch_size = batch_size
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self.client: WebClient | None = None
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# just used for efficiency
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self.text_cleaner: SlackTextCleaner | None = None
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self.user_cache: dict[str, BasicExpertInfo | None] = {}
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def load_credentials(self, credentials: dict[str, Any]) -> dict[str, Any] | None:
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bot_token = credentials["slack_bot_token"]
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self.client = WebClient(token=bot_token)
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self.text_cleaner = SlackTextCleaner(client=self.client)
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return None
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def retrieve_all_slim_documents(
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self,
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start: SecondsSinceUnixEpoch | None = None,
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end: SecondsSinceUnixEpoch | None = None,
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callback: IndexingHeartbeatInterface | None = None,
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) -> GenerateSlimDocumentOutput:
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if self.client is None:
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raise ConnectorMissingCredentialError("Slack")
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|
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return _get_all_doc_ids(
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client=self.client,
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channels=self.channels,
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channel_name_regex_enabled=self.channel_regex_enabled,
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callback=callback,
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)
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|
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def load_from_checkpoint(
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self,
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|
start: SecondsSinceUnixEpoch,
|
|
end: SecondsSinceUnixEpoch,
|
|
checkpoint: ConnectorCheckpoint,
|
|
) -> CheckpointOutput:
|
|
"""Rough outline:
|
|
|
|
Step 1: Get all channels, yield back Checkpoint.
|
|
Step 2: Loop through each channel. For each channel:
|
|
Step 2.1: Get messages within the time range.
|
|
Step 2.2: Process messages in parallel, yield back docs.
|
|
Step 2.3: Update checkpoint with new_latest, seen_thread_ts, and current_channel.
|
|
Slack returns messages from newest to oldest, so we need to keep track of
|
|
the latest message we've seen in each channel.
|
|
Step 2.4: If there are no more messages in the channel, switch the current
|
|
channel to the next channel.
|
|
"""
|
|
if self.client is None or self.text_cleaner is None:
|
|
raise ConnectorMissingCredentialError("Slack")
|
|
|
|
checkpoint_content = cast(
|
|
SlackCheckpointContent,
|
|
(
|
|
copy.deepcopy(checkpoint.checkpoint_content)
|
|
or {
|
|
"channel_ids": None,
|
|
"channel_completion_map": {},
|
|
"current_channel": None,
|
|
"seen_thread_ts": [],
|
|
}
|
|
),
|
|
)
|
|
|
|
# if this is the very first time we've called this, need to
|
|
# get all relevant channels and save them into the checkpoint
|
|
if checkpoint_content["channel_ids"] is None:
|
|
raw_channels = get_channels(self.client)
|
|
filtered_channels = filter_channels(
|
|
raw_channels, self.channels, self.channel_regex_enabled
|
|
)
|
|
if len(filtered_channels) == 0:
|
|
return checkpoint
|
|
|
|
checkpoint_content["channel_ids"] = [c["id"] for c in filtered_channels]
|
|
checkpoint_content["current_channel"] = filtered_channels[0]
|
|
checkpoint = ConnectorCheckpoint(
|
|
checkpoint_content=checkpoint_content, # type: ignore
|
|
has_more=True,
|
|
)
|
|
return checkpoint
|
|
|
|
final_channel_ids = checkpoint_content["channel_ids"]
|
|
channel = checkpoint_content["current_channel"]
|
|
if channel is None:
|
|
raise ValueError("current_channel key not found in checkpoint")
|
|
|
|
channel_id = channel["id"]
|
|
if channel_id not in final_channel_ids:
|
|
raise ValueError(f"Channel {channel_id} not found in checkpoint")
|
|
|
|
oldest = str(start) if start else None
|
|
latest = checkpoint_content["channel_completion_map"].get(channel_id, str(end))
|
|
seen_thread_ts = set(checkpoint_content["seen_thread_ts"])
|
|
try:
|
|
logger.debug(
|
|
f"Getting messages for channel {channel} within range {oldest} - {latest}"
|
|
)
|
|
message_batch, has_more_in_channel = _get_messages(
|
|
channel, self.client, oldest, latest
|
|
)
|
|
new_latest = message_batch[-1]["ts"] if message_batch else latest
|
|
|
|
# Process messages in parallel using ThreadPoolExecutor
|
|
with ThreadPoolExecutor(max_workers=8) as executor:
|
|
futures: list[Future] = []
|
|
for message in message_batch:
|
|
# Capture the current context so that the thread gets the current tenant ID
|
|
current_context = contextvars.copy_context()
|
|
futures.append(
|
|
executor.submit(
|
|
current_context.run,
|
|
_process_message,
|
|
message=message,
|
|
client=self.client,
|
|
channel=channel,
|
|
slack_cleaner=self.text_cleaner,
|
|
user_cache=self.user_cache,
|
|
seen_thread_ts=seen_thread_ts,
|
|
)
|
|
)
|
|
|
|
for future in as_completed(futures):
|
|
doc, thread_ts, failures = future.result()
|
|
if doc:
|
|
# handle race conditions here since this is single
|
|
# threaded. Multi-threaded _process_message reads from this
|
|
# but since this is single threaded, we won't run into simul
|
|
# writes. At worst, we can duplicate a thread, which will be
|
|
# deduped later on.
|
|
if thread_ts not in seen_thread_ts:
|
|
yield doc
|
|
|
|
if thread_ts:
|
|
seen_thread_ts.add(thread_ts)
|
|
elif failures:
|
|
for failure in failures:
|
|
yield failure
|
|
|
|
checkpoint_content["seen_thread_ts"] = list(seen_thread_ts)
|
|
checkpoint_content["channel_completion_map"][channel["id"]] = new_latest
|
|
if has_more_in_channel:
|
|
checkpoint_content["current_channel"] = channel
|
|
else:
|
|
new_channel_id = next(
|
|
(
|
|
channel_id
|
|
for channel_id in final_channel_ids
|
|
if channel_id
|
|
not in checkpoint_content["channel_completion_map"]
|
|
),
|
|
None,
|
|
)
|
|
if new_channel_id:
|
|
new_channel = _get_channel_by_id(self.client, new_channel_id)
|
|
checkpoint_content["current_channel"] = new_channel
|
|
else:
|
|
checkpoint_content["current_channel"] = None
|
|
|
|
checkpoint = ConnectorCheckpoint(
|
|
checkpoint_content=checkpoint_content, # type: ignore
|
|
has_more=checkpoint_content["current_channel"] is not None,
|
|
)
|
|
return checkpoint
|
|
|
|
except Exception as e:
|
|
logger.exception(f"Error processing channel {channel['name']}")
|
|
yield ConnectorFailure(
|
|
failed_entity=EntityFailure(
|
|
entity_id=channel["id"],
|
|
missed_time_range=(
|
|
datetime.fromtimestamp(start, tz=timezone.utc),
|
|
datetime.fromtimestamp(end, tz=timezone.utc),
|
|
),
|
|
),
|
|
failure_message=str(e),
|
|
exception=e,
|
|
)
|
|
return checkpoint
|
|
|
|
def validate_connector_settings(self) -> None:
|
|
"""
|
|
1. Verify the bot token is valid for the workspace (via auth_test).
|
|
2. Ensure the bot has enough scope to list channels.
|
|
3. Check that every channel specified in self.channels exists.
|
|
"""
|
|
if self.client is None:
|
|
raise ConnectorMissingCredentialError("Slack credentials not loaded.")
|
|
|
|
try:
|
|
# 1) Validate connection to workspace
|
|
auth_response = self.client.auth_test()
|
|
if not auth_response.get("ok", False):
|
|
error_msg = auth_response.get(
|
|
"error", "Unknown error from Slack auth_test"
|
|
)
|
|
raise ConnectorValidationError(f"Failed Slack auth_test: {error_msg}")
|
|
|
|
# 2) Minimal test to confirm listing channels works
|
|
test_resp = self.client.conversations_list(
|
|
limit=1, types=["public_channel"]
|
|
)
|
|
if not test_resp.get("ok", False):
|
|
error_msg = test_resp.get("error", "Unknown error from Slack")
|
|
if error_msg == "invalid_auth":
|
|
raise ConnectorValidationError(
|
|
f"Invalid Slack bot token ({error_msg})."
|
|
)
|
|
elif error_msg == "not_authed":
|
|
raise CredentialExpiredError(
|
|
f"Invalid or expired Slack bot token ({error_msg})."
|
|
)
|
|
raise UnexpectedError(f"Slack API returned a failure: {error_msg}")
|
|
|
|
# 3) If channels are specified, verify each is accessible
|
|
if self.channels:
|
|
accessible_channels = get_channels(
|
|
client=self.client,
|
|
exclude_archived=True,
|
|
get_public=True,
|
|
get_private=True,
|
|
)
|
|
# For quick lookups by name or ID, build a map:
|
|
accessible_channel_names = {ch["name"] for ch in accessible_channels}
|
|
accessible_channel_ids = {ch["id"] for ch in accessible_channels}
|
|
|
|
for user_channel in self.channels:
|
|
if (
|
|
user_channel not in accessible_channel_names
|
|
and user_channel not in accessible_channel_ids
|
|
):
|
|
raise ConnectorValidationError(
|
|
f"Channel '{user_channel}' not found or inaccessible in this workspace."
|
|
)
|
|
|
|
except SlackApiError as e:
|
|
slack_error = e.response.get("error", "")
|
|
if slack_error == "missing_scope":
|
|
raise InsufficientPermissionsError(
|
|
"Slack bot token lacks the necessary scope to list/access channels. "
|
|
"Please ensure your Slack app has 'channels:read' (and/or 'groups:read' for private channels)."
|
|
)
|
|
elif slack_error == "invalid_auth":
|
|
raise CredentialExpiredError(
|
|
f"Invalid Slack bot token ({slack_error})."
|
|
)
|
|
elif slack_error == "not_authed":
|
|
raise CredentialExpiredError(
|
|
f"Invalid or expired Slack bot token ({slack_error})."
|
|
)
|
|
raise UnexpectedError(
|
|
f"Unexpected Slack error '{slack_error}' during settings validation."
|
|
)
|
|
except ConnectorValidationError as e:
|
|
raise e
|
|
except Exception as e:
|
|
raise UnexpectedError(
|
|
f"Unexpected error during Slack settings validation: {e}"
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import os
|
|
import time
|
|
|
|
slack_channel = os.environ.get("SLACK_CHANNEL")
|
|
connector = SlackConnector(
|
|
channels=[slack_channel] if slack_channel else None,
|
|
)
|
|
connector.load_credentials({"slack_bot_token": os.environ["SLACK_BOT_TOKEN"]})
|
|
|
|
current = time.time()
|
|
one_day_ago = current - 24 * 60 * 60 # 1 day
|
|
|
|
checkpoint = ConnectorCheckpoint.build_dummy_checkpoint()
|
|
|
|
gen = connector.load_from_checkpoint(one_day_ago, current, checkpoint)
|
|
try:
|
|
for document_or_failure in gen:
|
|
if isinstance(document_or_failure, Document):
|
|
print(document_or_failure)
|
|
elif isinstance(document_or_failure, ConnectorFailure):
|
|
print(document_or_failure)
|
|
except StopIteration as e:
|
|
checkpoint = e.value
|
|
print("Next checkpoint:", checkpoint)
|
|
|
|
print("Next checkpoint:", checkpoint)
|