mirror of
https://github.com/invoke-ai/InvokeAI
synced 2024-08-30 20:32:17 +00:00
2f9ebdec69
Some tech debt related to dynamic pydantic schemas for invocations became problematic. Including the invocations and results in the event schemas was breaking pydantic's handling of ref schemas. I don't really understand why - I think it's a pydantic bug in a remote edge case that we are hitting. After many failed attempts I landed on this implementation, which is actually much tidier than what was in there before. - Create pydantic-enabled types for `AnyInvocation` and `AnyInvocationOutput` and use these in place of the janky dynamic unions. Actually, they are kinda the same, but better encapsulated. Use these in `Graph`, `GraphExecutionState`, `InvocationEventBase` and `InvocationCompleteEvent`. - Revise the custom openapi function to work with the new models. - Split out the custom openapi function to a separate file. Add a `post_transform` callback so consumers can customize the output schema. - Update makefile scripts.
593 lines
22 KiB
Python
593 lines
22 KiB
Python
from math import floor
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from typing import TYPE_CHECKING, Any, ClassVar, Coroutine, Generic, Optional, Protocol, TypeAlias, TypeVar
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from fastapi_events.handlers.local import local_handler
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from fastapi_events.registry.payload_schema import registry as payload_schema
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from pydantic import BaseModel, ConfigDict, Field
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from invokeai.app.services.session_processor.session_processor_common import ProgressImage
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from invokeai.app.services.session_queue.session_queue_common import (
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QUEUE_ITEM_STATUS,
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BatchStatus,
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EnqueueBatchResult,
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SessionQueueItem,
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SessionQueueStatus,
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)
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from invokeai.app.services.shared.graph import AnyInvocation, AnyInvocationOutput
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from invokeai.app.util.misc import get_timestamp
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from invokeai.backend.model_manager.config import AnyModelConfig, SubModelType
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from invokeai.backend.stable_diffusion.diffusers_pipeline import PipelineIntermediateState
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if TYPE_CHECKING:
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from invokeai.app.services.download.download_base import DownloadJob
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from invokeai.app.services.model_install.model_install_common import ModelInstallJob
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class EventBase(BaseModel):
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"""Base class for all events. All events must inherit from this class.
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Events must define a class attribute `__event_name__` to identify the event.
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All other attributes should be defined as normal for a pydantic model.
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A timestamp is automatically added to the event when it is created.
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"""
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__event_name__: ClassVar[str]
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timestamp: int = Field(description="The timestamp of the event", default_factory=get_timestamp)
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model_config = ConfigDict(json_schema_serialization_defaults_required=True)
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@classmethod
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def get_events(cls) -> set[type["EventBase"]]:
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"""Get a set of all event models."""
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event_subclasses: set[type["EventBase"]] = set()
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for subclass in cls.__subclasses__():
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# We only want to include subclasses that are event models, not intermediary classes
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if hasattr(subclass, "__event_name__"):
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event_subclasses.add(subclass)
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event_subclasses.update(subclass.get_events())
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return event_subclasses
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TEvent = TypeVar("TEvent", bound=EventBase, contravariant=True)
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FastAPIEvent: TypeAlias = tuple[str, TEvent]
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"""
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A tuple representing a `fastapi-events` event, with the event name and payload.
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Provide a generic type to `TEvent` to specify the payload type.
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"""
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class FastAPIEventFunc(Protocol, Generic[TEvent]):
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def __call__(self, event: FastAPIEvent[TEvent]) -> Optional[Coroutine[Any, Any, None]]: ...
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def register_events(events: set[type[TEvent]] | type[TEvent], func: FastAPIEventFunc[TEvent]) -> None:
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"""Register a function to handle specific events.
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:param events: An event or set of events to handle
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:param func: The function to handle the events
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"""
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events = events if isinstance(events, set) else {events}
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for event in events:
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assert hasattr(event, "__event_name__")
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local_handler.register(event_name=event.__event_name__, _func=func) # pyright: ignore [reportUnknownMemberType, reportUnknownArgumentType, reportAttributeAccessIssue]
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class QueueEventBase(EventBase):
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"""Base class for queue events"""
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queue_id: str = Field(description="The ID of the queue")
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class QueueItemEventBase(QueueEventBase):
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"""Base class for queue item events"""
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item_id: int = Field(description="The ID of the queue item")
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batch_id: str = Field(description="The ID of the queue batch")
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class InvocationEventBase(QueueItemEventBase):
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"""Base class for invocation events"""
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session_id: str = Field(description="The ID of the session (aka graph execution state)")
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queue_id: str = Field(description="The ID of the queue")
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item_id: int = Field(description="The ID of the queue item")
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batch_id: str = Field(description="The ID of the queue batch")
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session_id: str = Field(description="The ID of the session (aka graph execution state)")
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invocation: AnyInvocation = Field(description="The ID of the invocation")
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invocation_source_id: str = Field(description="The ID of the prepared invocation's source node")
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@payload_schema.register
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class InvocationStartedEvent(InvocationEventBase):
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"""Event model for invocation_started"""
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__event_name__ = "invocation_started"
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@classmethod
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def build(cls, queue_item: SessionQueueItem, invocation: AnyInvocation) -> "InvocationStartedEvent":
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return cls(
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queue_id=queue_item.queue_id,
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item_id=queue_item.item_id,
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batch_id=queue_item.batch_id,
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session_id=queue_item.session_id,
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invocation=invocation,
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invocation_source_id=queue_item.session.prepared_source_mapping[invocation.id],
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)
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@payload_schema.register
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class InvocationDenoiseProgressEvent(InvocationEventBase):
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"""Event model for invocation_denoise_progress"""
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__event_name__ = "invocation_denoise_progress"
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progress_image: ProgressImage = Field(description="The progress image sent at each step during processing")
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step: int = Field(description="The current step of the invocation")
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total_steps: int = Field(description="The total number of steps in the invocation")
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order: int = Field(description="The order of the invocation in the session")
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percentage: float = Field(description="The percentage of completion of the invocation")
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@classmethod
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def build(
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cls,
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queue_item: SessionQueueItem,
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invocation: AnyInvocation,
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intermediate_state: PipelineIntermediateState,
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progress_image: ProgressImage,
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) -> "InvocationDenoiseProgressEvent":
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step = intermediate_state.step
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total_steps = intermediate_state.total_steps
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order = intermediate_state.order
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return cls(
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queue_id=queue_item.queue_id,
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item_id=queue_item.item_id,
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batch_id=queue_item.batch_id,
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session_id=queue_item.session_id,
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invocation=invocation,
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invocation_source_id=queue_item.session.prepared_source_mapping[invocation.id],
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progress_image=progress_image,
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step=step,
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total_steps=total_steps,
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order=order,
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percentage=cls.calc_percentage(step, total_steps, order),
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)
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@staticmethod
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def calc_percentage(step: int, total_steps: int, scheduler_order: float) -> float:
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"""Calculate the percentage of completion of denoising."""
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if total_steps == 0:
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return 0.0
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if scheduler_order == 2:
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return floor((step + 1 + 1) / 2) / floor((total_steps + 1) / 2)
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# order == 1
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return (step + 1 + 1) / (total_steps + 1)
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@payload_schema.register
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class InvocationCompleteEvent(InvocationEventBase):
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"""Event model for invocation_complete"""
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__event_name__ = "invocation_complete"
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result: AnyInvocationOutput = Field(description="The result of the invocation")
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@classmethod
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def build(
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cls, queue_item: SessionQueueItem, invocation: AnyInvocation, result: AnyInvocationOutput
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) -> "InvocationCompleteEvent":
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return cls(
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queue_id=queue_item.queue_id,
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item_id=queue_item.item_id,
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batch_id=queue_item.batch_id,
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session_id=queue_item.session_id,
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invocation=invocation,
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invocation_source_id=queue_item.session.prepared_source_mapping[invocation.id],
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result=result,
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)
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@payload_schema.register
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class InvocationErrorEvent(InvocationEventBase):
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"""Event model for invocation_error"""
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__event_name__ = "invocation_error"
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error_type: str = Field(description="The error type")
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error_message: str = Field(description="The error message")
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error_traceback: str = Field(description="The error traceback")
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user_id: Optional[str] = Field(default=None, description="The ID of the user who created the invocation")
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project_id: Optional[str] = Field(default=None, description="The ID of the user who created the invocation")
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@classmethod
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def build(
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cls,
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queue_item: SessionQueueItem,
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invocation: AnyInvocation,
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error_type: str,
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error_message: str,
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error_traceback: str,
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) -> "InvocationErrorEvent":
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return cls(
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queue_id=queue_item.queue_id,
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item_id=queue_item.item_id,
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batch_id=queue_item.batch_id,
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session_id=queue_item.session_id,
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invocation=invocation,
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invocation_source_id=queue_item.session.prepared_source_mapping[invocation.id],
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error_type=error_type,
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error_message=error_message,
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error_traceback=error_traceback,
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user_id=getattr(queue_item, "user_id", None),
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project_id=getattr(queue_item, "project_id", None),
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)
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@payload_schema.register
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class QueueItemStatusChangedEvent(QueueItemEventBase):
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"""Event model for queue_item_status_changed"""
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__event_name__ = "queue_item_status_changed"
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status: QUEUE_ITEM_STATUS = Field(description="The new status of the queue item")
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error_type: Optional[str] = Field(default=None, description="The error type, if any")
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error_message: Optional[str] = Field(default=None, description="The error message, if any")
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error_traceback: Optional[str] = Field(default=None, description="The error traceback, if any")
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created_at: Optional[str] = Field(default=None, description="The timestamp when the queue item was created")
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updated_at: Optional[str] = Field(default=None, description="The timestamp when the queue item was last updated")
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started_at: Optional[str] = Field(default=None, description="The timestamp when the queue item was started")
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completed_at: Optional[str] = Field(default=None, description="The timestamp when the queue item was completed")
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batch_status: BatchStatus = Field(description="The status of the batch")
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queue_status: SessionQueueStatus = Field(description="The status of the queue")
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session_id: str = Field(description="The ID of the session (aka graph execution state)")
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@classmethod
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def build(
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cls, queue_item: SessionQueueItem, batch_status: BatchStatus, queue_status: SessionQueueStatus
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) -> "QueueItemStatusChangedEvent":
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return cls(
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queue_id=queue_item.queue_id,
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item_id=queue_item.item_id,
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batch_id=queue_item.batch_id,
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session_id=queue_item.session_id,
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status=queue_item.status,
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error_type=queue_item.error_type,
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error_message=queue_item.error_message,
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error_traceback=queue_item.error_traceback,
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created_at=str(queue_item.created_at) if queue_item.created_at else None,
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updated_at=str(queue_item.updated_at) if queue_item.updated_at else None,
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started_at=str(queue_item.started_at) if queue_item.started_at else None,
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completed_at=str(queue_item.completed_at) if queue_item.completed_at else None,
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batch_status=batch_status,
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queue_status=queue_status,
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)
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@payload_schema.register
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class BatchEnqueuedEvent(QueueEventBase):
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"""Event model for batch_enqueued"""
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__event_name__ = "batch_enqueued"
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batch_id: str = Field(description="The ID of the batch")
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enqueued: int = Field(description="The number of invocations enqueued")
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requested: int = Field(
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description="The number of invocations initially requested to be enqueued (may be less than enqueued if queue was full)"
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)
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priority: int = Field(description="The priority of the batch")
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@classmethod
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def build(cls, enqueue_result: EnqueueBatchResult) -> "BatchEnqueuedEvent":
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return cls(
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queue_id=enqueue_result.queue_id,
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batch_id=enqueue_result.batch.batch_id,
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enqueued=enqueue_result.enqueued,
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requested=enqueue_result.requested,
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priority=enqueue_result.priority,
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)
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@payload_schema.register
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class QueueClearedEvent(QueueEventBase):
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"""Event model for queue_cleared"""
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__event_name__ = "queue_cleared"
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@classmethod
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def build(cls, queue_id: str) -> "QueueClearedEvent":
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return cls(queue_id=queue_id)
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class DownloadEventBase(EventBase):
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"""Base class for events associated with a download"""
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source: str = Field(description="The source of the download")
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@payload_schema.register
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class DownloadStartedEvent(DownloadEventBase):
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"""Event model for download_started"""
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__event_name__ = "download_started"
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download_path: str = Field(description="The local path where the download is saved")
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@classmethod
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def build(cls, job: "DownloadJob") -> "DownloadStartedEvent":
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assert job.download_path
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return cls(source=str(job.source), download_path=job.download_path.as_posix())
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@payload_schema.register
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class DownloadProgressEvent(DownloadEventBase):
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"""Event model for download_progress"""
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__event_name__ = "download_progress"
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download_path: str = Field(description="The local path where the download is saved")
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current_bytes: int = Field(description="The number of bytes downloaded so far")
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total_bytes: int = Field(description="The total number of bytes to be downloaded")
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@classmethod
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def build(cls, job: "DownloadJob") -> "DownloadProgressEvent":
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assert job.download_path
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return cls(
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source=str(job.source),
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download_path=job.download_path.as_posix(),
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current_bytes=job.bytes,
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total_bytes=job.total_bytes,
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)
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@payload_schema.register
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class DownloadCompleteEvent(DownloadEventBase):
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"""Event model for download_complete"""
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__event_name__ = "download_complete"
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download_path: str = Field(description="The local path where the download is saved")
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total_bytes: int = Field(description="The total number of bytes downloaded")
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@classmethod
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def build(cls, job: "DownloadJob") -> "DownloadCompleteEvent":
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assert job.download_path
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return cls(source=str(job.source), download_path=job.download_path.as_posix(), total_bytes=job.total_bytes)
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@payload_schema.register
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class DownloadCancelledEvent(DownloadEventBase):
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"""Event model for download_cancelled"""
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__event_name__ = "download_cancelled"
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@classmethod
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def build(cls, job: "DownloadJob") -> "DownloadCancelledEvent":
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return cls(source=str(job.source))
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@payload_schema.register
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class DownloadErrorEvent(DownloadEventBase):
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"""Event model for download_error"""
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__event_name__ = "download_error"
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error_type: str = Field(description="The type of error")
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error: str = Field(description="The error message")
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@classmethod
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def build(cls, job: "DownloadJob") -> "DownloadErrorEvent":
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assert job.error_type
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assert job.error
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return cls(source=str(job.source), error_type=job.error_type, error=job.error)
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class ModelEventBase(EventBase):
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"""Base class for events associated with a model"""
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@payload_schema.register
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class ModelLoadStartedEvent(ModelEventBase):
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"""Event model for model_load_started"""
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__event_name__ = "model_load_started"
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config: AnyModelConfig = Field(description="The model's config")
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submodel_type: Optional[SubModelType] = Field(default=None, description="The submodel type, if any")
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@classmethod
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def build(cls, config: AnyModelConfig, submodel_type: Optional[SubModelType] = None) -> "ModelLoadStartedEvent":
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return cls(config=config, submodel_type=submodel_type)
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@payload_schema.register
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class ModelLoadCompleteEvent(ModelEventBase):
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"""Event model for model_load_complete"""
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__event_name__ = "model_load_complete"
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config: AnyModelConfig = Field(description="The model's config")
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submodel_type: Optional[SubModelType] = Field(default=None, description="The submodel type, if any")
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@classmethod
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def build(cls, config: AnyModelConfig, submodel_type: Optional[SubModelType] = None) -> "ModelLoadCompleteEvent":
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return cls(config=config, submodel_type=submodel_type)
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@payload_schema.register
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class ModelInstallDownloadProgressEvent(ModelEventBase):
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"""Event model for model_install_download_progress"""
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__event_name__ = "model_install_download_progress"
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id: int = Field(description="The ID of the install job")
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source: str = Field(description="Source of the model; local path, repo_id or url")
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local_path: str = Field(description="Where model is downloading to")
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bytes: int = Field(description="Number of bytes downloaded so far")
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total_bytes: int = Field(description="Total size of download, including all files")
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parts: list[dict[str, int | str]] = Field(
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description="Progress of downloading URLs that comprise the model, if any"
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)
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@classmethod
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def build(cls, job: "ModelInstallJob") -> "ModelInstallDownloadProgressEvent":
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parts: list[dict[str, str | int]] = [
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{
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"url": str(x.source),
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"local_path": str(x.download_path),
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"bytes": x.bytes,
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"total_bytes": x.total_bytes,
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}
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for x in job.download_parts
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]
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return cls(
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id=job.id,
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source=str(job.source),
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local_path=job.local_path.as_posix(),
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parts=parts,
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bytes=job.bytes,
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total_bytes=job.total_bytes,
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)
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@payload_schema.register
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class ModelInstallDownloadsCompleteEvent(ModelEventBase):
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"""Emitted once when an install job becomes active."""
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__event_name__ = "model_install_downloads_complete"
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id: int = Field(description="The ID of the install job")
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source: str = Field(description="Source of the model; local path, repo_id or url")
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@classmethod
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def build(cls, job: "ModelInstallJob") -> "ModelInstallDownloadsCompleteEvent":
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return cls(id=job.id, source=str(job.source))
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@payload_schema.register
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class ModelInstallStartedEvent(ModelEventBase):
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"""Event model for model_install_started"""
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__event_name__ = "model_install_started"
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id: int = Field(description="The ID of the install job")
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source: str = Field(description="Source of the model; local path, repo_id or url")
|
|
|
|
@classmethod
|
|
def build(cls, job: "ModelInstallJob") -> "ModelInstallStartedEvent":
|
|
return cls(id=job.id, source=str(job.source))
|
|
|
|
|
|
@payload_schema.register
|
|
class ModelInstallCompleteEvent(ModelEventBase):
|
|
"""Event model for model_install_complete"""
|
|
|
|
__event_name__ = "model_install_complete"
|
|
|
|
id: int = Field(description="The ID of the install job")
|
|
source: str = Field(description="Source of the model; local path, repo_id or url")
|
|
key: str = Field(description="Model config record key")
|
|
total_bytes: Optional[int] = Field(description="Size of the model (may be None for installation of a local path)")
|
|
|
|
@classmethod
|
|
def build(cls, job: "ModelInstallJob") -> "ModelInstallCompleteEvent":
|
|
assert job.config_out is not None
|
|
return cls(id=job.id, source=str(job.source), key=(job.config_out.key), total_bytes=job.total_bytes)
|
|
|
|
|
|
@payload_schema.register
|
|
class ModelInstallCancelledEvent(ModelEventBase):
|
|
"""Event model for model_install_cancelled"""
|
|
|
|
__event_name__ = "model_install_cancelled"
|
|
|
|
id: int = Field(description="The ID of the install job")
|
|
source: str = Field(description="Source of the model; local path, repo_id or url")
|
|
|
|
@classmethod
|
|
def build(cls, job: "ModelInstallJob") -> "ModelInstallCancelledEvent":
|
|
return cls(id=job.id, source=str(job.source))
|
|
|
|
|
|
@payload_schema.register
|
|
class ModelInstallErrorEvent(ModelEventBase):
|
|
"""Event model for model_install_error"""
|
|
|
|
__event_name__ = "model_install_error"
|
|
|
|
id: int = Field(description="The ID of the install job")
|
|
source: str = Field(description="Source of the model; local path, repo_id or url")
|
|
error_type: str = Field(description="The name of the exception")
|
|
error: str = Field(description="A text description of the exception")
|
|
|
|
@classmethod
|
|
def build(cls, job: "ModelInstallJob") -> "ModelInstallErrorEvent":
|
|
assert job.error_type is not None
|
|
assert job.error is not None
|
|
return cls(id=job.id, source=str(job.source), error_type=job.error_type, error=job.error)
|
|
|
|
|
|
class BulkDownloadEventBase(EventBase):
|
|
"""Base class for events associated with a bulk image download"""
|
|
|
|
bulk_download_id: str = Field(description="The ID of the bulk image download")
|
|
bulk_download_item_id: str = Field(description="The ID of the bulk image download item")
|
|
bulk_download_item_name: str = Field(description="The name of the bulk image download item")
|
|
|
|
|
|
@payload_schema.register
|
|
class BulkDownloadStartedEvent(BulkDownloadEventBase):
|
|
"""Event model for bulk_download_started"""
|
|
|
|
__event_name__ = "bulk_download_started"
|
|
|
|
@classmethod
|
|
def build(
|
|
cls, bulk_download_id: str, bulk_download_item_id: str, bulk_download_item_name: str
|
|
) -> "BulkDownloadStartedEvent":
|
|
return cls(
|
|
bulk_download_id=bulk_download_id,
|
|
bulk_download_item_id=bulk_download_item_id,
|
|
bulk_download_item_name=bulk_download_item_name,
|
|
)
|
|
|
|
|
|
@payload_schema.register
|
|
class BulkDownloadCompleteEvent(BulkDownloadEventBase):
|
|
"""Event model for bulk_download_complete"""
|
|
|
|
__event_name__ = "bulk_download_complete"
|
|
|
|
@classmethod
|
|
def build(
|
|
cls, bulk_download_id: str, bulk_download_item_id: str, bulk_download_item_name: str
|
|
) -> "BulkDownloadCompleteEvent":
|
|
return cls(
|
|
bulk_download_id=bulk_download_id,
|
|
bulk_download_item_id=bulk_download_item_id,
|
|
bulk_download_item_name=bulk_download_item_name,
|
|
)
|
|
|
|
|
|
@payload_schema.register
|
|
class BulkDownloadErrorEvent(BulkDownloadEventBase):
|
|
"""Event model for bulk_download_error"""
|
|
|
|
__event_name__ = "bulk_download_error"
|
|
|
|
error: str = Field(description="The error message")
|
|
|
|
@classmethod
|
|
def build(
|
|
cls, bulk_download_id: str, bulk_download_item_id: str, bulk_download_item_name: str, error: str
|
|
) -> "BulkDownloadErrorEvent":
|
|
return cls(
|
|
bulk_download_id=bulk_download_id,
|
|
bulk_download_item_id=bulk_download_item_id,
|
|
bulk_download_item_name=bulk_download_item_name,
|
|
error=error,
|
|
)
|