openai/chatkit-python
Publicmirrored fromhttps://github.com/openai/chatkit-pythonAvailable
chatkit/types.py
981lines · modecode
| 1 | from __future__ import annotations |
| 2 | |
| 3 | from datetime import datetime |
| 4 | from typing import Any, Generic, Literal |
| 5 | |
| 6 | from pydantic import ( |
| 7 | AnyUrl, |
| 8 | BaseModel, |
| 9 | Field, |
| 10 | SerializationInfo, |
| 11 | model_serializer, |
| 12 | ) |
| 13 | from typing_extensions import Annotated, TypeIs, TypeVar |
| 14 | |
| 15 | from chatkit.errors import ErrorCode |
| 16 | |
| 17 | from .actions import Action |
| 18 | from .icons import IconName |
| 19 | from .widgets import WidgetComponent, WidgetRoot |
| 20 | |
| 21 | T = TypeVar("T") |
| 22 | |
| 23 | |
| 24 | class Page(BaseModel, Generic[T]): |
| 25 | """Paginated collection of records returned from the API.""" |
| 26 | |
| 27 | data: list[T] = [] |
| 28 | has_more: bool = False |
| 29 | after: str | None = None |
| 30 | |
| 31 | |
| 32 | ### REQUEST TYPES |
| 33 | |
| 34 | |
| 35 | class BaseReq(BaseModel): |
| 36 | """Base class for all request payloads.""" |
| 37 | |
| 38 | metadata: dict[str, Any] = Field(default_factory=dict) |
| 39 | """Arbitrary integration-specific metadata.""" |
| 40 | |
| 41 | |
| 42 | class ThreadsGetByIdReq(BaseReq): |
| 43 | """Request to fetch a single thread by its identifier.""" |
| 44 | |
| 45 | type: Literal["threads.get_by_id"] = "threads.get_by_id" |
| 46 | params: ThreadGetByIdParams |
| 47 | |
| 48 | |
| 49 | class ThreadGetByIdParams(BaseModel): |
| 50 | """Parameters for retrieving a thread by id.""" |
| 51 | |
| 52 | thread_id: str |
| 53 | |
| 54 | |
| 55 | class ThreadsCreateReq(BaseReq): |
| 56 | """Request to create a new thread from a user message.""" |
| 57 | |
| 58 | type: Literal["threads.create"] = "threads.create" |
| 59 | params: ThreadCreateParams |
| 60 | |
| 61 | |
| 62 | class ThreadCreateParams(BaseModel): |
| 63 | """User input required to create a thread.""" |
| 64 | |
| 65 | input: UserMessageInput |
| 66 | |
| 67 | |
| 68 | class ThreadListParams(BaseModel): |
| 69 | """Pagination parameters for listing threads.""" |
| 70 | |
| 71 | limit: int | None = None |
| 72 | order: Literal["asc", "desc"] = "desc" |
| 73 | after: str | None = None |
| 74 | |
| 75 | |
| 76 | class ThreadsListReq(BaseReq): |
| 77 | """Request to list threads.""" |
| 78 | |
| 79 | type: Literal["threads.list"] = "threads.list" |
| 80 | params: ThreadListParams |
| 81 | |
| 82 | |
| 83 | class ThreadsAddUserMessageReq(BaseReq): |
| 84 | """Request to append a user message to a thread.""" |
| 85 | |
| 86 | type: Literal["threads.add_user_message"] = "threads.add_user_message" |
| 87 | params: ThreadAddUserMessageParams |
| 88 | |
| 89 | |
| 90 | class ThreadAddUserMessageParams(BaseModel): |
| 91 | """Parameters for adding a user message to a thread.""" |
| 92 | |
| 93 | input: UserMessageInput |
| 94 | thread_id: str |
| 95 | |
| 96 | |
| 97 | class ThreadsAddClientToolOutputReq(BaseReq): |
| 98 | """Request to add a client tool's output to a thread.""" |
| 99 | |
| 100 | type: Literal["threads.add_client_tool_output"] = "threads.add_client_tool_output" |
| 101 | params: ThreadAddClientToolOutputParams |
| 102 | |
| 103 | |
| 104 | class ThreadAddClientToolOutputParams(BaseModel): |
| 105 | """Parameters for recording tool output in a thread.""" |
| 106 | |
| 107 | thread_id: str |
| 108 | result: Any |
| 109 | |
| 110 | |
| 111 | class ThreadsCustomActionReq(BaseReq): |
| 112 | """Request to execute a custom action within a thread.""" |
| 113 | |
| 114 | type: Literal["threads.custom_action"] = "threads.custom_action" |
| 115 | params: ThreadCustomActionParams |
| 116 | |
| 117 | |
| 118 | class ThreadCustomActionParams(BaseModel): |
| 119 | """Parameters describing the custom action to execute.""" |
| 120 | |
| 121 | thread_id: str |
| 122 | item_id: str | None = None |
| 123 | action: Action[str, Any] |
| 124 | |
| 125 | |
| 126 | class ThreadsRetryAfterItemReq(BaseReq): |
| 127 | """Request to retry processing after a specific thread item.""" |
| 128 | |
| 129 | type: Literal["threads.retry_after_item"] = "threads.retry_after_item" |
| 130 | params: ThreadRetryAfterItemParams |
| 131 | |
| 132 | |
| 133 | class ThreadRetryAfterItemParams(BaseModel): |
| 134 | """Parameters specifying which item to retry.""" |
| 135 | |
| 136 | thread_id: str |
| 137 | item_id: str |
| 138 | |
| 139 | |
| 140 | class ItemsFeedbackReq(BaseReq): |
| 141 | """Request to submit feedback on specific items.""" |
| 142 | |
| 143 | type: Literal["items.feedback"] = "items.feedback" |
| 144 | params: ItemFeedbackParams |
| 145 | |
| 146 | |
| 147 | class ItemFeedbackParams(BaseModel): |
| 148 | """Parameters describing feedback targets and sentiment.""" |
| 149 | |
| 150 | thread_id: str |
| 151 | item_ids: list[str] |
| 152 | kind: FeedbackKind |
| 153 | |
| 154 | |
| 155 | class AttachmentsDeleteReq(BaseReq): |
| 156 | """Request to remove an attachment.""" |
| 157 | |
| 158 | type: Literal["attachments.delete"] = "attachments.delete" |
| 159 | params: AttachmentDeleteParams |
| 160 | |
| 161 | |
| 162 | class AttachmentDeleteParams(BaseModel): |
| 163 | """Parameters identifying an attachment to delete.""" |
| 164 | |
| 165 | attachment_id: str |
| 166 | |
| 167 | |
| 168 | class AttachmentsCreateReq(BaseReq): |
| 169 | """Request to register a new attachment.""" |
| 170 | |
| 171 | type: Literal["attachments.create"] = "attachments.create" |
| 172 | params: AttachmentCreateParams |
| 173 | |
| 174 | |
| 175 | class AttachmentCreateParams(BaseModel): |
| 176 | """Metadata needed to initialize an attachment.""" |
| 177 | |
| 178 | name: str |
| 179 | size: int |
| 180 | mime_type: str |
| 181 | |
| 182 | |
| 183 | class InputTranscribeReq(BaseReq): |
| 184 | """Request to transcribe an audio payload into text.""" |
| 185 | |
| 186 | type: Literal["input.transcribe"] = "input.transcribe" |
| 187 | params: InputTranscribeParams |
| 188 | |
| 189 | |
| 190 | class InputTranscribeParams(BaseModel): |
| 191 | """Parameters for speech transcription.""" |
| 192 | |
| 193 | audio_base64: str |
| 194 | """Base64-encoded audio bytes.""" |
| 195 | |
| 196 | mime_type: str |
| 197 | """Raw MIME type for the audio payload, e.g. "audio/webm;codecs=opus".""" |
| 198 | |
| 199 | |
| 200 | class AudioInput(BaseModel): |
| 201 | """Audio input data for transcription.""" |
| 202 | |
| 203 | data: bytes |
| 204 | """Audio data bytes.""" |
| 205 | |
| 206 | mime_type: str |
| 207 | """Raw MIME type for the audio payload, e.g. "audio/webm;codecs=opus".""" |
| 208 | |
| 209 | @property |
| 210 | def media_type(self) -> str: |
| 211 | """Media type for the audio payload, e.g. "audio/webm".""" |
| 212 | return self.mime_type.split(";", 1)[0] |
| 213 | |
| 214 | |
| 215 | class TranscriptionResult(BaseModel): |
| 216 | """Input speech transcription result.""" |
| 217 | |
| 218 | text: str |
| 219 | |
| 220 | |
| 221 | class ItemsListReq(BaseReq): |
| 222 | """Request to list items inside a thread.""" |
| 223 | |
| 224 | type: Literal["items.list"] = "items.list" |
| 225 | params: ItemsListParams |
| 226 | |
| 227 | |
| 228 | class ItemsListParams(BaseModel): |
| 229 | """Pagination parameters for listing thread items.""" |
| 230 | |
| 231 | thread_id: str |
| 232 | limit: int | None = None |
| 233 | order: Literal["asc", "desc"] = "desc" |
| 234 | after: str | None = None |
| 235 | |
| 236 | |
| 237 | class ThreadsUpdateReq(BaseReq): |
| 238 | """Request to update thread metadata.""" |
| 239 | |
| 240 | type: Literal["threads.update"] = "threads.update" |
| 241 | params: ThreadUpdateParams |
| 242 | |
| 243 | |
| 244 | class ThreadUpdateParams(BaseModel): |
| 245 | """Parameters for updating a thread's properties.""" |
| 246 | |
| 247 | thread_id: str |
| 248 | title: str |
| 249 | |
| 250 | |
| 251 | class ThreadsDeleteReq(BaseReq): |
| 252 | """Request to delete a thread.""" |
| 253 | |
| 254 | type: Literal["threads.delete"] = "threads.delete" |
| 255 | params: ThreadDeleteParams |
| 256 | |
| 257 | |
| 258 | class ThreadDeleteParams(BaseModel): |
| 259 | """Parameters identifying a thread to delete.""" |
| 260 | |
| 261 | thread_id: str |
| 262 | |
| 263 | |
| 264 | StreamingReq = ( |
| 265 | ThreadsCreateReq |
| 266 | | ThreadsAddUserMessageReq |
| 267 | | ThreadsAddClientToolOutputReq |
| 268 | | ThreadsRetryAfterItemReq |
| 269 | | ThreadsCustomActionReq |
| 270 | ) |
| 271 | """Union of request types that produce streaming responses.""" |
| 272 | |
| 273 | |
| 274 | NonStreamingReq = ( |
| 275 | ThreadsGetByIdReq |
| 276 | | ThreadsListReq |
| 277 | | ItemsListReq |
| 278 | | ItemsFeedbackReq |
| 279 | | AttachmentsCreateReq |
| 280 | | AttachmentsDeleteReq |
| 281 | | ThreadsUpdateReq |
| 282 | | ThreadsDeleteReq |
| 283 | | InputTranscribeReq |
| 284 | ) |
| 285 | """Union of request types that yield immediate responses.""" |
| 286 | |
| 287 | |
| 288 | ChatKitReq = Annotated[ |
| 289 | StreamingReq | NonStreamingReq, |
| 290 | Field(discriminator="type"), |
| 291 | ] |
| 292 | |
| 293 | |
| 294 | def is_streaming_req(request: ChatKitReq) -> TypeIs[StreamingReq]: |
| 295 | """Return True if the given request should be processed as streaming.""" |
| 296 | return isinstance( |
| 297 | request, |
| 298 | ( |
| 299 | ThreadsCreateReq, |
| 300 | ThreadsAddUserMessageReq, |
| 301 | ThreadsRetryAfterItemReq, |
| 302 | ThreadsAddClientToolOutputReq, |
| 303 | ThreadsCustomActionReq, |
| 304 | ), |
| 305 | ) |
| 306 | |
| 307 | |
| 308 | ### THREAD STREAM EVENT TYPES |
| 309 | |
| 310 | |
| 311 | class ThreadCreatedEvent(BaseModel): |
| 312 | """Event emitted when a thread is created.""" |
| 313 | |
| 314 | type: Literal["thread.created"] = "thread.created" |
| 315 | thread: Thread |
| 316 | |
| 317 | |
| 318 | class ThreadUpdatedEvent(BaseModel): |
| 319 | """Event emitted when a thread is updated.""" |
| 320 | |
| 321 | type: Literal["thread.updated"] = "thread.updated" |
| 322 | thread: Thread |
| 323 | |
| 324 | |
| 325 | class ThreadItemAddedEvent(BaseModel): |
| 326 | """Event emitted when a new item is added to a thread.""" |
| 327 | |
| 328 | type: Literal["thread.item.added"] = "thread.item.added" |
| 329 | item: ThreadItem |
| 330 | |
| 331 | |
| 332 | class ThreadItemUpdatedEvent(BaseModel): |
| 333 | """Event describing an update to an existing thread item.""" |
| 334 | |
| 335 | type: Literal["thread.item.updated"] = "thread.item.updated" |
| 336 | item_id: str |
| 337 | update: ThreadItemUpdate |
| 338 | |
| 339 | |
| 340 | # Type alias for backwards compatibility |
| 341 | ThreadItemUpdated = ThreadItemUpdatedEvent |
| 342 | |
| 343 | |
| 344 | class ThreadItemDoneEvent(BaseModel): |
| 345 | """Event emitted when a thread item is marked complete.""" |
| 346 | |
| 347 | type: Literal["thread.item.done"] = "thread.item.done" |
| 348 | item: ThreadItem |
| 349 | |
| 350 | |
| 351 | class ThreadItemRemovedEvent(BaseModel): |
| 352 | """Event emitted when a thread item is removed.""" |
| 353 | |
| 354 | type: Literal["thread.item.removed"] = "thread.item.removed" |
| 355 | item_id: str |
| 356 | |
| 357 | |
| 358 | class ThreadItemReplacedEvent(BaseModel): |
| 359 | """Event emitted when a thread item is replaced.""" |
| 360 | |
| 361 | type: Literal["thread.item.replaced"] = "thread.item.replaced" |
| 362 | item: ThreadItem |
| 363 | |
| 364 | |
| 365 | class StreamOptions(BaseModel): |
| 366 | """Settings that control runtime stream behavior.""" |
| 367 | |
| 368 | allow_cancel: bool |
| 369 | """Allow the client to request cancellation mid-stream.""" |
| 370 | |
| 371 | |
| 372 | class StreamOptionsEvent(BaseModel): |
| 373 | """Event emitted to set stream options at runtime.""" |
| 374 | |
| 375 | type: Literal["stream_options"] = "stream_options" |
| 376 | stream_options: StreamOptions |
| 377 | |
| 378 | |
| 379 | class ProgressUpdateEvent(BaseModel): |
| 380 | """Event providing incremental progress from the assistant.""" |
| 381 | |
| 382 | type: Literal["progress_update"] = "progress_update" |
| 383 | icon: IconName | None = None |
| 384 | text: str |
| 385 | |
| 386 | |
| 387 | class ClientEffectEvent(BaseModel): |
| 388 | """Event emitted to trigger a client side-effect.""" |
| 389 | |
| 390 | type: Literal["client_effect"] = "client_effect" |
| 391 | name: str |
| 392 | data: dict[str, Any] = Field(default_factory=dict) |
| 393 | |
| 394 | |
| 395 | class ErrorEvent(BaseModel): |
| 396 | """Event indicating an error occurred while processing a thread.""" |
| 397 | |
| 398 | type: Literal["error"] = "error" |
| 399 | code: ErrorCode | Literal["custom"] = Field(default="custom") |
| 400 | message: str | None = None |
| 401 | allow_retry: bool = Field(default=False) |
| 402 | |
| 403 | |
| 404 | class NoticeEvent(BaseModel): |
| 405 | """Event conveying a user-facing notice.""" |
| 406 | |
| 407 | type: Literal["notice"] = "notice" |
| 408 | level: Literal["info", "warning", "danger"] |
| 409 | message: str |
| 410 | """ |
| 411 | Supports markdown e.g. "You've reached your limit of 100 messages. [Upgrade](https://...) to a paid plan." |
| 412 | """ |
| 413 | title: str | None = None |
| 414 | |
| 415 | |
| 416 | ThreadStreamEvent = Annotated[ |
| 417 | ThreadCreatedEvent |
| 418 | | ThreadUpdatedEvent |
| 419 | | ThreadItemDoneEvent |
| 420 | | ThreadItemAddedEvent |
| 421 | | ThreadItemUpdated |
| 422 | | ThreadItemRemovedEvent |
| 423 | | ThreadItemReplacedEvent |
| 424 | | StreamOptionsEvent |
| 425 | | ProgressUpdateEvent |
| 426 | | ClientEffectEvent |
| 427 | | ErrorEvent |
| 428 | | NoticeEvent, |
| 429 | Field(discriminator="type"), |
| 430 | ] |
| 431 | """Union of all streaming events emitted to clients.""" |
| 432 | |
| 433 | ### THREAD ITEM UPDATE TYPES |
| 434 | |
| 435 | |
| 436 | class AssistantMessageContentPartAdded(BaseModel): |
| 437 | """Event emitted when new assistant content is appended.""" |
| 438 | |
| 439 | type: Literal["assistant_message.content_part.added"] = ( |
| 440 | "assistant_message.content_part.added" |
| 441 | ) |
| 442 | content_index: int |
| 443 | content: AssistantMessageContent |
| 444 | |
| 445 | |
| 446 | class AssistantMessageContentPartTextDelta(BaseModel): |
| 447 | """Event carrying incremental assistant text output.""" |
| 448 | |
| 449 | type: Literal["assistant_message.content_part.text_delta"] = ( |
| 450 | "assistant_message.content_part.text_delta" |
| 451 | ) |
| 452 | content_index: int |
| 453 | delta: str |
| 454 | |
| 455 | |
| 456 | class AssistantMessageContentPartAnnotationAdded(BaseModel): |
| 457 | """Event announcing a new annotation on assistant content.""" |
| 458 | |
| 459 | type: Literal["assistant_message.content_part.annotation_added"] = ( |
| 460 | "assistant_message.content_part.annotation_added" |
| 461 | ) |
| 462 | content_index: int |
| 463 | annotation_index: int |
| 464 | annotation: Annotation |
| 465 | |
| 466 | |
| 467 | class AssistantMessageContentPartDone(BaseModel): |
| 468 | """Event indicating an assistant content part is finalized.""" |
| 469 | |
| 470 | type: Literal["assistant_message.content_part.done"] = ( |
| 471 | "assistant_message.content_part.done" |
| 472 | ) |
| 473 | content_index: int |
| 474 | content: AssistantMessageContent |
| 475 | |
| 476 | |
| 477 | class WidgetStreamingTextValueDelta(BaseModel): |
| 478 | """Event streaming widget text deltas.""" |
| 479 | |
| 480 | type: Literal["widget.streaming_text.value_delta"] = ( |
| 481 | "widget.streaming_text.value_delta" |
| 482 | ) |
| 483 | component_id: str |
| 484 | delta: str |
| 485 | done: bool |
| 486 | |
| 487 | |
| 488 | class WidgetRootUpdated(BaseModel): |
| 489 | """Event published when the widget root changes.""" |
| 490 | |
| 491 | type: Literal["widget.root.updated"] = "widget.root.updated" |
| 492 | widget: WidgetRoot |
| 493 | |
| 494 | |
| 495 | class WidgetComponentUpdated(BaseModel): |
| 496 | """Event emitted when a widget component updates.""" |
| 497 | |
| 498 | type: Literal["widget.component.updated"] = "widget.component.updated" |
| 499 | component_id: str |
| 500 | component: WidgetComponent |
| 501 | |
| 502 | |
| 503 | class WorkflowTaskAdded(BaseModel): |
| 504 | """Event emitted when a workflow task is added.""" |
| 505 | |
| 506 | type: Literal["workflow.task.added"] = "workflow.task.added" |
| 507 | task_index: int |
| 508 | task: Task |
| 509 | |
| 510 | |
| 511 | class WorkflowTaskUpdated(BaseModel): |
| 512 | """Event emitted when a workflow task is updated.""" |
| 513 | |
| 514 | type: Literal["workflow.task.updated"] = "workflow.task.updated" |
| 515 | task_index: int |
| 516 | task: Task |
| 517 | |
| 518 | |
| 519 | class GeneratedImageUpdated(BaseModel): |
| 520 | """Event emitted when a generated image is updated.""" |
| 521 | |
| 522 | type: Literal["generated_image.updated"] = "generated_image.updated" |
| 523 | image: GeneratedImage |
| 524 | progress: float | None = None |
| 525 | |
| 526 | |
| 527 | ThreadItemUpdate = ( |
| 528 | AssistantMessageContentPartAdded |
| 529 | | AssistantMessageContentPartTextDelta |
| 530 | | AssistantMessageContentPartAnnotationAdded |
| 531 | | AssistantMessageContentPartDone |
| 532 | | WidgetStreamingTextValueDelta |
| 533 | | WidgetComponentUpdated |
| 534 | | WidgetRootUpdated |
| 535 | | WorkflowTaskAdded |
| 536 | | WorkflowTaskUpdated |
| 537 | | GeneratedImageUpdated |
| 538 | ) |
| 539 | """Union of possible updates applied to thread items.""" |
| 540 | |
| 541 | |
| 542 | ### THREAD TYPES |
| 543 | |
| 544 | |
| 545 | class ThreadMetadata(BaseModel): |
| 546 | """Metadata describing a thread without its items.""" |
| 547 | |
| 548 | title: str | None = None |
| 549 | id: str |
| 550 | created_at: datetime |
| 551 | status: ThreadStatus = Field(default_factory=lambda: ActiveStatus()) |
| 552 | # TODO - make not client rendered |
| 553 | metadata: dict[str, Any] = Field(default_factory=dict) |
| 554 | |
| 555 | |
| 556 | class ActiveStatus(BaseModel): |
| 557 | """Status indicating the thread is active.""" |
| 558 | |
| 559 | type: Literal["active"] = Field(default="active", frozen=True) |
| 560 | |
| 561 | |
| 562 | class LockedStatus(BaseModel): |
| 563 | """Status indicating the thread is locked.""" |
| 564 | |
| 565 | type: Literal["locked"] = Field(default="locked", frozen=True) |
| 566 | reason: str | None = None |
| 567 | |
| 568 | |
| 569 | class ClosedStatus(BaseModel): |
| 570 | """Status indicating the thread is closed.""" |
| 571 | |
| 572 | type: Literal["closed"] = Field(default="closed", frozen=True) |
| 573 | reason: str | None = None |
| 574 | |
| 575 | |
| 576 | ThreadStatus = Annotated[ |
| 577 | ActiveStatus | LockedStatus | ClosedStatus, |
| 578 | Field(discriminator="type"), |
| 579 | ] |
| 580 | """Union of lifecycle states for a thread.""" |
| 581 | |
| 582 | |
| 583 | class Thread(ThreadMetadata): |
| 584 | """Thread with its paginated items.""" |
| 585 | |
| 586 | items: Page[ThreadItem] |
| 587 | |
| 588 | |
| 589 | ### THREAD ITEM TYPES |
| 590 | |
| 591 | |
| 592 | class ThreadItemBase(BaseModel): |
| 593 | """Base fields shared by all thread items.""" |
| 594 | |
| 595 | id: str |
| 596 | thread_id: str |
| 597 | created_at: datetime |
| 598 | |
| 599 | |
| 600 | class UserMessageItem(ThreadItemBase): |
| 601 | """Thread item representing a user message.""" |
| 602 | |
| 603 | type: Literal["user_message"] = "user_message" |
| 604 | content: list[UserMessageContent] |
| 605 | attachments: list[Attachment] = Field(default_factory=list) |
| 606 | quoted_text: str | None = None |
| 607 | inference_options: InferenceOptions |
| 608 | |
| 609 | |
| 610 | class AssistantMessageItem(ThreadItemBase): |
| 611 | """Thread item representing an assistant message.""" |
| 612 | |
| 613 | type: Literal["assistant_message"] = "assistant_message" |
| 614 | content: list[AssistantMessageContent] |
| 615 | |
| 616 | |
| 617 | class ClientToolCallItem(ThreadItemBase): |
| 618 | """Thread item capturing a client tool call.""" |
| 619 | |
| 620 | type: Literal["client_tool_call"] = "client_tool_call" |
| 621 | status: Literal["pending", "completed"] = "pending" |
| 622 | call_id: str |
| 623 | name: str |
| 624 | arguments: dict[str, Any] |
| 625 | output: Any | None = None |
| 626 | |
| 627 | |
| 628 | class WidgetItem(ThreadItemBase): |
| 629 | """Thread item containing widget content.""" |
| 630 | |
| 631 | type: Literal["widget"] = "widget" |
| 632 | widget: WidgetRoot |
| 633 | copy_text: str | None = None |
| 634 | |
| 635 | |
| 636 | class GeneratedImage(BaseModel): |
| 637 | """Generated image.""" |
| 638 | |
| 639 | id: str |
| 640 | url: str |
| 641 | |
| 642 | |
| 643 | class GeneratedImageItem(ThreadItemBase): |
| 644 | """Thread item containing a generated image.""" |
| 645 | |
| 646 | type: Literal["generated_image"] = "generated_image" |
| 647 | image: GeneratedImage | None = None |
| 648 | |
| 649 | |
| 650 | class TaskItem(ThreadItemBase): |
| 651 | """Thread item containing a task.""" |
| 652 | |
| 653 | type: Literal["task"] = "task" |
| 654 | task: Task |
| 655 | |
| 656 | |
| 657 | class WorkflowItem(ThreadItemBase): |
| 658 | """Thread item representing a workflow.""" |
| 659 | |
| 660 | type: Literal["workflow"] = "workflow" |
| 661 | workflow: Workflow |
| 662 | |
| 663 | |
| 664 | class EndOfTurnItem(ThreadItemBase): |
| 665 | """Marker item indicating the assistant ends its turn.""" |
| 666 | |
| 667 | type: Literal["end_of_turn"] = "end_of_turn" |
| 668 | |
| 669 | |
| 670 | class HiddenContextItem(ThreadItemBase): |
| 671 | """ |
| 672 | HiddenContext is never sent to the client. It's not officially part of ChatKit.js. |
| 673 | It is only used internally to store additional context in a specific place in the thread. |
| 674 | """ |
| 675 | |
| 676 | type: Literal["hidden_context_item"] = "hidden_context_item" |
| 677 | content: Any |
| 678 | |
| 679 | |
| 680 | class SDKHiddenContextItem(ThreadItemBase): |
| 681 | """ |
| 682 | Hidden context that is used by the ChatKit Python SDK for storing additional context |
| 683 | for internal operations. |
| 684 | """ |
| 685 | |
| 686 | type: Literal["sdk_hidden_context"] = "sdk_hidden_context" |
| 687 | content: str |
| 688 | |
| 689 | |
| 690 | ThreadItem = Annotated[ |
| 691 | UserMessageItem |
| 692 | | AssistantMessageItem |
| 693 | | ClientToolCallItem |
| 694 | | WidgetItem |
| 695 | | GeneratedImageItem |
| 696 | | WorkflowItem |
| 697 | | TaskItem |
| 698 | | HiddenContextItem |
| 699 | | SDKHiddenContextItem |
| 700 | | EndOfTurnItem, |
| 701 | Field(discriminator="type"), |
| 702 | ] |
| 703 | """Union of all thread item variants.""" |
| 704 | |
| 705 | |
| 706 | ### ASSISTANT MESSAGE TYPES |
| 707 | |
| 708 | |
| 709 | class AssistantMessageContent(BaseModel): |
| 710 | """Assistant message content consisting of text and annotations.""" |
| 711 | |
| 712 | annotations: list[Annotation] = Field(default_factory=list) |
| 713 | text: str |
| 714 | type: Literal["output_text"] = "output_text" |
| 715 | |
| 716 | |
| 717 | class Annotation(BaseModel): |
| 718 | """Reference to supporting context attached to assistant output.""" |
| 719 | |
| 720 | type: Literal["annotation"] = "annotation" |
| 721 | source: URLSource | FileSource | EntitySource |
| 722 | index: int | None = None |
| 723 | |
| 724 | |
| 725 | ### USER MESSAGE TYPES |
| 726 | |
| 727 | |
| 728 | class UserMessageInput(BaseModel): |
| 729 | """Payload describing a user message submission.""" |
| 730 | |
| 731 | content: list[UserMessageContent] |
| 732 | attachments: list[str] |
| 733 | quoted_text: str | None = None |
| 734 | inference_options: InferenceOptions |
| 735 | |
| 736 | |
| 737 | class UserMessageTextContent(BaseModel): |
| 738 | """User message content containing plaintext.""" |
| 739 | |
| 740 | type: Literal["input_text"] = "input_text" |
| 741 | text: str |
| 742 | |
| 743 | |
| 744 | class UserMessageTagContent(BaseModel): |
| 745 | """User message content representing an interactive tag.""" |
| 746 | |
| 747 | type: Literal["input_tag"] = "input_tag" |
| 748 | id: str |
| 749 | text: str |
| 750 | data: dict[str, Any] |
| 751 | group: str | None = None |
| 752 | interactive: bool = False |
| 753 | |
| 754 | |
| 755 | UserMessageContent = Annotated[ |
| 756 | UserMessageTextContent | UserMessageTagContent, Field(discriminator="type") |
| 757 | ] |
| 758 | """Union of allowed user message content payloads.""" |
| 759 | |
| 760 | |
| 761 | class InferenceOptions(BaseModel): |
| 762 | """Model and tool configuration for message processing.""" |
| 763 | |
| 764 | tool_choice: ToolChoice | None = None |
| 765 | model: str | None = None |
| 766 | |
| 767 | |
| 768 | class ToolChoice(BaseModel): |
| 769 | """Explicit tool selection for the assistant to invoke.""" |
| 770 | |
| 771 | id: str |
| 772 | |
| 773 | |
| 774 | class AttachmentUploadDescriptor(BaseModel): |
| 775 | """Two-phase upload instructions.""" |
| 776 | |
| 777 | url: AnyUrl |
| 778 | method: Literal["POST", "PUT"] |
| 779 | """The HTTP method to use when uploading the file for two-phase upload.""" |
| 780 | headers: dict[str, str] = Field(default_factory=dict) |
| 781 | """Optional headers to include in the upload request.""" |
| 782 | |
| 783 | |
| 784 | class AttachmentBase(BaseModel): |
| 785 | """Base metadata shared by all attachments.""" |
| 786 | |
| 787 | id: str |
| 788 | name: str |
| 789 | mime_type: str |
| 790 | upload_descriptor: AttachmentUploadDescriptor | None = None |
| 791 | """ |
| 792 | Two-phase upload instructions. |
| 793 | Should be set to None after upload is complete or when using direct upload |
| 794 | where uploading happens when creating the attachment object. |
| 795 | """ |
| 796 | metadata: dict[str, Any] | None = None |
| 797 | """ |
| 798 | Integration-only metadata stored with the attachment. Ignored by ChatKit and not |
| 799 | returned in ChatKitServer responses. If you serialize attachments from a custom |
| 800 | direct-upload endpoint and want to omit this field, pass context={"exclude_metadata": True}. |
| 801 | """ |
| 802 | |
| 803 | @model_serializer(mode="wrap") |
| 804 | def _serialize(self, serializer, info: SerializationInfo): |
| 805 | data = serializer(self) |
| 806 | if isinstance(data, dict) and (info.context or {}).get("exclude_metadata"): |
| 807 | data.pop("metadata", None) |
| 808 | return data |
| 809 | |
| 810 | |
| 811 | class FileAttachment(AttachmentBase): |
| 812 | """Attachment representing a generic file.""" |
| 813 | |
| 814 | type: Literal["file"] = "file" |
| 815 | |
| 816 | |
| 817 | class ImageAttachment(AttachmentBase): |
| 818 | """Attachment representing an image resource.""" |
| 819 | |
| 820 | type: Literal["image"] = "image" |
| 821 | preview_url: AnyUrl |
| 822 | |
| 823 | |
| 824 | Attachment = Annotated[ |
| 825 | FileAttachment | ImageAttachment, |
| 826 | Field(discriminator="type"), |
| 827 | ] |
| 828 | """Union of supported attachment types.""" |
| 829 | |
| 830 | |
| 831 | ### WORKFLOW TYPES |
| 832 | |
| 833 | |
| 834 | class Workflow(BaseModel): |
| 835 | """Workflow attached to a thread with optional summary.""" |
| 836 | |
| 837 | type: Literal["custom", "reasoning"] |
| 838 | tasks: list[Task] |
| 839 | summary: WorkflowSummary | None = None |
| 840 | expanded: bool = False |
| 841 | |
| 842 | |
| 843 | class CustomSummary(BaseModel): |
| 844 | """Custom summary for a workflow.""" |
| 845 | |
| 846 | title: str |
| 847 | icon: IconName | None = None |
| 848 | |
| 849 | |
| 850 | class DurationSummary(BaseModel): |
| 851 | """Summary providing total workflow duration.""" |
| 852 | |
| 853 | duration: int |
| 854 | """The duration of the workflow in seconds""" |
| 855 | |
| 856 | |
| 857 | WorkflowSummary = CustomSummary | DurationSummary |
| 858 | """Summary variants available for workflows.""" |
| 859 | |
| 860 | ### TASK TYPES |
| 861 | |
| 862 | |
| 863 | class BaseTask(BaseModel): |
| 864 | """Base fields common to all workflow tasks.""" |
| 865 | |
| 866 | status_indicator: Literal["none", "loading", "complete"] = "none" |
| 867 | """Only used when rendering the task as part of a workflow. Indicates the status of the task.""" |
| 868 | |
| 869 | |
| 870 | class CustomTask(BaseTask): |
| 871 | """Workflow task displaying custom content.""" |
| 872 | |
| 873 | type: Literal["custom"] = "custom" |
| 874 | title: str | None = None |
| 875 | icon: IconName | None = None |
| 876 | content: str | None = None |
| 877 | |
| 878 | |
| 879 | class SearchTask(BaseTask): |
| 880 | """Workflow task representing a web search.""" |
| 881 | |
| 882 | type: Literal["web_search"] = "web_search" |
| 883 | title: str | None = None |
| 884 | title_query: str | None = None |
| 885 | queries: list[str] = Field(default_factory=list) |
| 886 | sources: list[URLSource] = Field(default_factory=list) |
| 887 | |
| 888 | |
| 889 | class ThoughtTask(BaseTask): |
| 890 | """Workflow task capturing assistant reasoning.""" |
| 891 | |
| 892 | type: Literal["thought"] = "thought" |
| 893 | title: str | None = None |
| 894 | content: str |
| 895 | |
| 896 | |
| 897 | class FileTask(BaseTask): |
| 898 | """Workflow task referencing file sources.""" |
| 899 | |
| 900 | type: Literal["file"] = "file" |
| 901 | title: str | None = None |
| 902 | sources: list[FileSource] = Field(default_factory=list) |
| 903 | |
| 904 | |
| 905 | class ImageTask(BaseTask): |
| 906 | """Workflow task rendering image content.""" |
| 907 | |
| 908 | type: Literal["image"] = "image" |
| 909 | title: str | None = None |
| 910 | |
| 911 | |
| 912 | Task = Annotated[ |
| 913 | CustomTask | SearchTask | ThoughtTask | FileTask | ImageTask, |
| 914 | Field(discriminator="type"), |
| 915 | ] |
| 916 | """Union of workflow task variants.""" |
| 917 | |
| 918 | |
| 919 | ### SOURCE TYPES |
| 920 | |
| 921 | |
| 922 | class SourceBase(BaseModel): |
| 923 | """Base class for sources displayed to users.""" |
| 924 | |
| 925 | title: str |
| 926 | description: str | None = None |
| 927 | timestamp: str | None = None |
| 928 | group: str | None = None |
| 929 | |
| 930 | |
| 931 | class FileSource(SourceBase): |
| 932 | """Source metadata for file-based references.""" |
| 933 | |
| 934 | type: Literal["file"] = "file" |
| 935 | filename: str |
| 936 | |
| 937 | |
| 938 | class URLSource(SourceBase): |
| 939 | """Source metadata for external URLs.""" |
| 940 | |
| 941 | type: Literal["url"] = "url" |
| 942 | url: str |
| 943 | attribution: str | None = None |
| 944 | |
| 945 | |
| 946 | class EntitySource(SourceBase): |
| 947 | """Source metadata for entity references.""" |
| 948 | |
| 949 | type: Literal["entity"] = "entity" |
| 950 | id: str |
| 951 | icon: IconName | None = None |
| 952 | label: str | None = None |
| 953 | """Optional label shown with the icon in the default entity hover header |
| 954 | when no preview callback is provided. |
| 955 | """ |
| 956 | inline_label: str | None = None |
| 957 | """Optional label for the inline annotation view. When not provided, the icon is used instead.""" |
| 958 | interactive: bool = False |
| 959 | """Per-entity toggle to wire client callbacks and render this entity as interactive.""" |
| 960 | data: dict[str, Any] = Field(default_factory=dict) |
| 961 | """Additional data for the entity source that is passed to client entity callbacks.""" |
| 962 | |
| 963 | preview: Literal["lazy"] | None = Field( |
| 964 | default=None, |
| 965 | deprecated=True, |
| 966 | description="This field is ignored. Please use the entities.onRequestPreview ChatKit.js option instead.", |
| 967 | ) |
| 968 | |
| 969 | |
| 970 | Source = Annotated[ |
| 971 | URLSource | FileSource | EntitySource, |
| 972 | Field(discriminator="type"), |
| 973 | ] |
| 974 | """Union of supported source types.""" |
| 975 | |
| 976 | |
| 977 | ### MISC TYPES |
| 978 | |
| 979 | |
| 980 | FeedbackKind = Literal["positive", "negative"] |
| 981 | """Literal type for feedback sentiment.""" |
| 982 | |