feat: accept chunks as arguments to chat.{start,append,stop}Stream methods #1806
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| import logging | ||
| from typing import Any, Dict, Optional, Sequence, Set, Union | ||
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| from slack_sdk.errors import SlackObjectFormationError | ||
| from slack_sdk.models import show_unknown_key_warning | ||
| from slack_sdk.models.basic_objects import JsonObject | ||
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| class Chunk(JsonObject): | ||
| """ | ||
| Chunk for streaming messages. | ||
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| https://docs.slack.dev/messaging/sending-and-scheduling-messages#text-streaming | ||
| """ | ||
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| attributes = {"type"} | ||
| logger = logging.getLogger(__name__) | ||
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| def __init__( | ||
| self, | ||
| *, | ||
| type: Optional[str] = None, | ||
| ): | ||
| self.type = type | ||
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| @classmethod | ||
| def parse(cls, chunk: Union[Dict, "Chunk"]) -> Optional["Chunk"]: | ||
| if chunk is None: | ||
| return None | ||
| elif isinstance(chunk, Chunk): | ||
| return chunk | ||
| else: | ||
| if "type" in chunk: | ||
| type = chunk["type"] | ||
| if type == MarkdownTextChunk.type: | ||
| return MarkdownTextChunk(**chunk) | ||
| elif type == TaskUpdateChunk.type: | ||
| return TaskUpdateChunk(**chunk) | ||
| else: | ||
| cls.logger.warning(f"Unknown chunk detected and skipped ({chunk})") | ||
| return None | ||
| else: | ||
| cls.logger.warning(f"Unknown chunk detected and skipped ({chunk})") | ||
| return None | ||
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| class MarkdownTextChunk(Chunk): | ||
| type = "markdown_text" | ||
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| @property | ||
| def attributes(self) -> Set[str]: # type: ignore[override] | ||
| return super().attributes.union({"text"}) | ||
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| def __init__( | ||
| self, | ||
| *, | ||
| text: str, | ||
| **others: Dict, | ||
| ): | ||
| """Used for streaming text content with markdown formatting support. | ||
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| https://docs.slack.dev/messaging/sending-and-scheduling-messages#text-streaming | ||
| """ | ||
| super().__init__(type=self.type) | ||
| show_unknown_key_warning(self, others) | ||
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| self.text = text | ||
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| class URLSource(JsonObject): | ||
| type = "url" | ||
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| @property | ||
| def attributes(self) -> Set[str]: | ||
| return super().attributes.union( | ||
| { | ||
| "url", | ||
| "text", | ||
| "icon_url", | ||
| } | ||
| ) | ||
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| def __init__( | ||
| self, | ||
| *, | ||
| url: str, | ||
| text: str, | ||
| icon_url: Optional[str] = None, | ||
| **others: Dict, | ||
| ): | ||
| show_unknown_key_warning(self, others) | ||
| self._url = url | ||
| self._text = text | ||
| self._icon_url = icon_url | ||
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| def to_dict(self) -> Dict[str, Any]: | ||
| self.validate_json() | ||
| json: Dict[str, Union[str, Dict]] = { | ||
| "type": self.type, | ||
| "url": self._url, | ||
| "text": self._text, | ||
| } | ||
| if self._icon_url: | ||
| json["icon_url"] = self._icon_url | ||
| return json | ||
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| class TaskUpdateChunk(Chunk): | ||
| type = "task_update" | ||
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| @property | ||
| def attributes(self) -> Set[str]: # type: ignore[override] | ||
| return super().attributes.union( | ||
| { | ||
| "id", | ||
| "title", | ||
| "status", | ||
| "details", | ||
| "output", | ||
| "sources", | ||
| } | ||
| ) | ||
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| def __init__( | ||
| self, | ||
| *, | ||
| id: str, | ||
| title: str, | ||
| status: str, # "pending", "in_progress", "complete", "error" | ||
| details: Optional[str] = None, | ||
| output: Optional[str] = None, | ||
| sources: Optional[Sequence[Union[Dict, URLSource]]] = None, | ||
| **others: Dict, | ||
| ): | ||
| """Used for displaying tool execution progress in a timeline-style UI. | ||
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| https://docs.slack.dev/messaging/sending-and-scheduling-messages#text-streaming | ||
| """ | ||
| super().__init__(type=self.type) | ||
| show_unknown_key_warning(self, others) | ||
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| self.id = id | ||
| self.title = title | ||
| self.status = status | ||
| self.details = details | ||
| self.output = output | ||
| if sources is not None: | ||
| self.sources = [] | ||
| for src in sources: | ||
| if isinstance(src, Dict): | ||
| self.sources.append(src) | ||
| elif isinstance(src, URLSource): | ||
| self.sources.append(src.to_dict()) | ||
| else: | ||
| raise SlackObjectFormationError(f"Unsupported type for source in task update chunk: {type(src)}") | ||
|
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Author
There was a problem hiding this comment. 🪓 note: This is simplified alongside the changes of #1819 as well! |
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📣 note: In 6073ffe of #1819 this is moved into the block elements class because it can be used in standalone messages - not just chunks.
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🧮 note: It's also changed from "URL" to "Url" to match similar elements!