prefect.server.schemas.actions

Reduced schemas for accepting API actions.

ArtifactCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create an artifact.

Source code in src/prefect/server/schemas/actions.py

class ArtifactCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create an artifact."""

    key: Optional[str] = Field(
        default=None, description="An optional unique reference key for this artifact."
    )
    type: Optional[str] = Field(
        default=None,
        description=(
            "An identifier that describes the shape of the data field. e.g. 'result',"
            " 'table', 'markdown'"
        ),
    )
    description: Optional[str] = Field(
        default=None, description="A markdown-enabled description of the artifact."
    )
    data: Optional[Union[Dict[str, Any], Any]] = Field(
        default=None,
        description=(
            "Data associated with the artifact, e.g. a result.; structure depends on"
            " the artifact type."
        ),
    )
    metadata_: Optional[Dict[str, str]] = Field(
        default=None,
        description=(
            "User-defined artifact metadata. Content must be string key and value"
            " pairs."
        ),
    )
    flow_run_id: Optional[UUID] = Field(
        default=None, description="The flow run associated with the artifact."
    )
    task_run_id: Optional[UUID] = Field(
        default=None, description="The task run associated with the artifact."
    )

    @classmethod
    def from_result(cls, data: Any):
        artifact_info = dict()
        if isinstance(data, dict):
            artifact_key = data.pop("artifact_key", None)
            if artifact_key:
                artifact_info["key"] = artifact_key

            artifact_type = data.pop("artifact_type", None)
            if artifact_type:
                artifact_info["type"] = artifact_type

            description = data.pop("artifact_description", None)
            if description:
                artifact_info["description"] = description

        return cls(data=data, **artifact_info)

    _validate_metadata_length = field_validator("metadata_")(
        validate_max_metadata_length
    )

    _validate_artifact_format = field_validator("key")(validate_artifact_key)

ArtifactUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update an artifact.

Source code in src/prefect/server/schemas/actions.py

class ArtifactUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update an artifact."""

    data: Optional[Union[Dict[str, Any], Any]] = Field(None)
    description: Optional[str] = Field(None)
    metadata_: Optional[Dict[str, str]] = Field(None)

    _validate_metadata_length = field_validator("metadata_")(
        validate_max_metadata_length
    )

BlockDocumentCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a block document.

Source code in src/prefect/server/schemas/actions.py

class BlockDocumentCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a block document."""

    name: Optional[str] = Field(
        default=None,
        description=(
            "The block document's name. Not required for anonymous block documents."
        ),
    )
    data: Dict[str, Any] = Field(
        default_factory=dict, description="The block document's data"
    )
    block_schema_id: UUID = Field(default=..., description="A block schema ID")

    block_type_id: UUID = Field(default=..., description="A block type ID")

    is_anonymous: bool = Field(
        default=False,
        description=(
            "Whether the block is anonymous (anonymous blocks are usually created by"
            " Prefect automatically)"
        ),
    )

    _validate_name_format = field_validator("name")(validate_block_document_name)

    @model_validator(mode="before")
    def validate_name_is_present_if_not_anonymous(cls, values):
        return validate_name_present_on_nonanonymous_blocks(values)

BlockDocumentReferenceCreate

Bases: ActionBaseModel

Data used to create block document reference.

Source code in src/prefect/server/schemas/actions.py

class BlockDocumentReferenceCreate(ActionBaseModel):
    """Data used to create block document reference."""

    id: UUID = Field(
        default_factory=uuid4, description="The block document reference ID"
    )
    parent_block_document_id: UUID = Field(
        default=..., description="ID of the parent block document"
    )
    reference_block_document_id: UUID = Field(
        default=..., description="ID of the nested block document"
    )
    name: str = Field(
        default=..., description="The name that the reference is nested under"
    )

    @model_validator(mode="before")
    def validate_parent_and_ref_are_different(cls, values):
        return validate_parent_and_ref_diff(values)

BlockDocumentUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a block document.

Source code in src/prefect/server/schemas/actions.py

class BlockDocumentUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a block document."""

    block_schema_id: Optional[UUID] = Field(
        default=None, description="A block schema ID"
    )
    data: Dict[str, Any] = Field(
        default_factory=dict, description="The block document's data"
    )
    merge_existing_data: bool = True

BlockSchemaCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a block schema.

Source code in src/prefect/server/schemas/actions.py

class BlockSchemaCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a block schema."""

    fields: Dict[str, Any] = Field(
        default_factory=dict, description="The block schema's field schema"
    )
    block_type_id: UUID = Field(default=..., description="A block type ID")

    capabilities: List[str] = Field(
        default_factory=list,
        description="A list of Block capabilities",
    )
    version: str = Field(
        default=schemas.core.DEFAULT_BLOCK_SCHEMA_VERSION,
        description="Human readable identifier for the block schema",
    )

BlockTypeCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a block type.

Source code in src/prefect/server/schemas/actions.py

class BlockTypeCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a block type."""

    name: Name = Field(default=..., description="A block type's name")
    slug: str = Field(default=..., description="A block type's slug")
    logo_url: Optional[str] = Field(  # TODO: HttpUrl
        default=None, description="Web URL for the block type's logo"
    )
    documentation_url: Optional[str] = Field(  # TODO: HttpUrl
        default=None, description="Web URL for the block type's documentation"
    )
    description: Optional[str] = Field(
        default=None,
        description="A short blurb about the corresponding block's intended use",
    )
    code_example: Optional[str] = Field(
        default=None,
        description="A code snippet demonstrating use of the corresponding block",
    )

    # validators
    _validate_slug_format = field_validator("slug")(validate_block_type_slug)

BlockTypeUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a block type.

Source code in src/prefect/server/schemas/actions.py

class BlockTypeUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a block type."""

    logo_url: Optional[str] = Field(None)  # TODO: HttpUrl
    documentation_url: Optional[str] = Field(None)  # TODO: HttpUrl
    description: Optional[str] = Field(None)
    code_example: Optional[str] = Field(None)

    @classmethod
    def updatable_fields(cls) -> set:
        return get_class_fields_only(cls)

ConcurrencyLimitCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a concurrency limit.

Source code in src/prefect/server/schemas/actions.py

class ConcurrencyLimitCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a concurrency limit."""

    tag: str = Field(
        default=..., description="A tag the concurrency limit is applied to."
    )
    concurrency_limit: int = Field(default=..., description="The concurrency limit.")

ConcurrencyLimitV2Create

Bases: ActionBaseModel

Data used by the Prefect REST API to create a v2 concurrency limit.

Source code in src/prefect/server/schemas/actions.py

class ConcurrencyLimitV2Create(ActionBaseModel):
    """Data used by the Prefect REST API to create a v2 concurrency limit."""

    active: bool = Field(
        default=True, description="Whether the concurrency limit is active."
    )
    name: Name = Field(default=..., description="The name of the concurrency limit.")
    limit: NonNegativeInteger = Field(default=..., description="The concurrency limit.")
    active_slots: NonNegativeInteger = Field(
        default=0, description="The number of active slots."
    )
    denied_slots: NonNegativeInteger = Field(
        default=0, description="The number of denied slots."
    )
    slot_decay_per_second: NonNegativeFloat = Field(
        default=0,
        description="The decay rate for active slots when used as a rate limit.",
    )

ConcurrencyLimitV2Update

Bases: ActionBaseModel

Data used by the Prefect REST API to update a v2 concurrency limit.

Source code in src/prefect/server/schemas/actions.py

class ConcurrencyLimitV2Update(ActionBaseModel):
    """Data used by the Prefect REST API to update a v2 concurrency limit."""

    active: Optional[bool] = Field(None)
    name: Optional[Name] = Field(None)
    limit: Optional[NonNegativeInteger] = Field(None)
    active_slots: Optional[NonNegativeInteger] = Field(None)
    denied_slots: Optional[NonNegativeInteger] = Field(None)
    slot_decay_per_second: Optional[NonNegativeFloat] = Field(None)

DeploymentCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a deployment.

Source code in src/prefect/server/schemas/actions.py

class DeploymentCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a deployment."""

    name: str = Field(
        default=...,
        description="The name of the deployment.",
        examples=["my-deployment"],
    )
    flow_id: UUID = Field(
        default=..., description="The ID of the flow associated with the deployment."
    )
    paused: bool = Field(
        default=False, description="Whether or not the deployment is paused."
    )
    schedules: List[DeploymentScheduleCreate] = Field(
        default_factory=list,
        description="A list of schedules for the deployment.",
    )
    concurrency_limit: Optional[PositiveInteger] = Field(
        default=None, description="The deployment's concurrency limit."
    )
    concurrency_options: Optional[schemas.core.ConcurrencyOptions] = Field(
        default=None, description="The deployment's concurrency options."
    )
    enforce_parameter_schema: bool = Field(
        default=True,
        description=(
            "Whether or not the deployment should enforce the parameter schema."
        ),
    )
    parameter_openapi_schema: Optional[Dict[str, Any]] = Field(
        default_factory=dict,
        description="The parameter schema of the flow, including defaults.",
    )
    parameters: Dict[str, Any] = Field(
        default_factory=dict,
        description="Parameters for flow runs scheduled by the deployment.",
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of deployment tags.",
        examples=[["tag-1", "tag-2"]],
    )
    pull_steps: Optional[List[dict]] = Field(None)

    work_queue_name: Optional[str] = Field(None)
    work_pool_name: Optional[str] = Field(
        default=None,
        description="The name of the deployment's work pool.",
        examples=["my-work-pool"],
    )
    storage_document_id: Optional[UUID] = Field(None)
    infrastructure_document_id: Optional[UUID] = Field(None)
    description: Optional[str] = Field(None)
    path: Optional[str] = Field(None)
    version: Optional[str] = Field(None)
    entrypoint: Optional[str] = Field(None)
    job_variables: Dict[str, Any] = Field(
        default_factory=dict,
        description="Overrides for the flow's infrastructure configuration.",
    )

    def check_valid_configuration(self, base_job_template: dict):
        """
        Check that the combination of base_job_template defaults and job_variables
        conforms to the specified schema.

        NOTE: This method does not hydrate block references in default values within the
        base job template to validate them. Failing to do this can cause user-facing
        errors. Instead of this method, use `validate_job_variables_for_deployment`
        function from `prefect_cloud.orion.api.validation`.
        """
        # This import is here to avoid a circular import
        from prefect.utilities.schema_tools import validate

        variables_schema = deepcopy(base_job_template.get("variables"))

        if variables_schema is not None:
            validate(
                self.job_variables,
                variables_schema,
                raise_on_error=True,
                preprocess=True,
                ignore_required=True,
            )

    @model_validator(mode="before")
    @classmethod
    def remove_old_fields(cls, values):
        return remove_old_deployment_fields(values)

    @model_validator(mode="before")
    def _validate_parameters_conform_to_schema(cls, values):
        values["parameters"] = validate_parameters_conform_to_schema(
            values.get("parameters", {}), values
        )
        values["parameter_openapi_schema"] = validate_parameter_openapi_schema(
            values.get("parameter_openapi_schema"), values
        )
        return values

check_valid_configuration(base_job_template)

Check that the combination of base_job_template defaults and job_variables conforms to the specified schema.

NOTE: This method does not hydrate block references in default values within the base job template to validate them. Failing to do this can cause user-facing errors. Instead of this method, use validate_job_variables_for_deployment function from prefect_cloud.orion.api.validation.

Source code in src/prefect/server/schemas/actions.py

def check_valid_configuration(self, base_job_template: dict):
    """
    Check that the combination of base_job_template defaults and job_variables
    conforms to the specified schema.

    NOTE: This method does not hydrate block references in default values within the
    base job template to validate them. Failing to do this can cause user-facing
    errors. Instead of this method, use `validate_job_variables_for_deployment`
    function from `prefect_cloud.orion.api.validation`.
    """
    # This import is here to avoid a circular import
    from prefect.utilities.schema_tools import validate

    variables_schema = deepcopy(base_job_template.get("variables"))

    if variables_schema is not None:
        validate(
            self.job_variables,
            variables_schema,
            raise_on_error=True,
            preprocess=True,
            ignore_required=True,
        )

DeploymentFlowRunCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a flow run from a deployment.

Source code in src/prefect/server/schemas/actions.py

class DeploymentFlowRunCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a flow run from a deployment."""

    # FlowRunCreate states must be provided as StateCreate objects
    state: Optional[StateCreate] = Field(
        default=None, description="The state of the flow run to create"
    )

    name: str = Field(
        default_factory=lambda: generate_slug(2),
        description=(
            "The name of the flow run. Defaults to a random slug if not specified."
        ),
        examples=["my-flow-run"],
    )
    parameters: Dict[str, Any] = Field(default_factory=dict)
    enforce_parameter_schema: Optional[bool] = Field(
        default=None,
        description="Whether or not to enforce the parameter schema on this run.",
    )
    context: Dict[str, Any] = Field(default_factory=dict)
    infrastructure_document_id: Optional[UUID] = Field(None)
    empirical_policy: schemas.core.FlowRunPolicy = Field(
        default_factory=schemas.core.FlowRunPolicy,
        description="The empirical policy for the flow run.",
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of tags for the flow run.",
        examples=[["tag-1", "tag-2"]],
    )
    idempotency_key: Optional[str] = Field(
        None,
        description=(
            "An optional idempotency key. If a flow run with the same idempotency key"
            " has already been created, the existing flow run will be returned."
        ),
    )
    parent_task_run_id: Optional[UUID] = Field(None)
    work_queue_name: Optional[str] = Field(None)
    job_variables: Optional[Dict[str, Any]] = Field(None)

    @field_validator("name", mode="before")
    @classmethod
    def set_name(cls, name):
        return get_or_create_run_name(name)

DeploymentUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a deployment.

Source code in src/prefect/server/schemas/actions.py

class DeploymentUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a deployment."""

    @model_validator(mode="before")
    @classmethod
    def remove_old_fields(cls, values):
        return remove_old_deployment_fields(values)

    version: Optional[str] = Field(None)
    description: Optional[str] = Field(None)
    paused: bool = Field(
        default=False, description="Whether or not the deployment is paused."
    )
    schedules: List[DeploymentScheduleCreate] = Field(
        default_factory=list,
        description="A list of schedules for the deployment.",
    )
    concurrency_limit: Optional[PositiveInteger] = Field(
        default=None, description="The deployment's concurrency limit."
    )
    concurrency_options: Optional[schemas.core.ConcurrencyOptions] = Field(
        default=None, description="The deployment's concurrency options."
    )
    parameters: Optional[Dict[str, Any]] = Field(
        default=None,
        description="Parameters for flow runs scheduled by the deployment.",
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of deployment tags.",
        examples=[["tag-1", "tag-2"]],
    )
    work_queue_name: Optional[str] = Field(None)
    work_pool_name: Optional[str] = Field(
        default=None,
        description="The name of the deployment's work pool.",
        examples=["my-work-pool"],
    )
    path: Optional[str] = Field(None)
    job_variables: Optional[Dict[str, Any]] = Field(
        default=None,
        description="Overrides for the flow's infrastructure configuration.",
    )
    entrypoint: Optional[str] = Field(None)
    storage_document_id: Optional[UUID] = Field(None)
    infrastructure_document_id: Optional[UUID] = Field(None)
    enforce_parameter_schema: Optional[bool] = Field(
        default=None,
        description=(
            "Whether or not the deployment should enforce the parameter schema."
        ),
    )
    model_config = ConfigDict(populate_by_name=True)

    def check_valid_configuration(self, base_job_template: dict):
        """
        Check that the combination of base_job_template defaults and job_variables
        conforms to the schema specified in the base_job_template.

        NOTE: This method does not hydrate block references in default values within the
        base job template to validate them. Failing to do this can cause user-facing
        errors. Instead of this method, use `validate_job_variables_for_deployment`
        function from `prefect_cloud.orion.api.validation`.
        """
        # This import is here to avoid a circular import
        from prefect.utilities.schema_tools import validate

        variables_schema = deepcopy(base_job_template.get("variables"))

        if variables_schema is not None:
            errors = validate(
                self.job_variables,
                variables_schema,
                raise_on_error=False,
                preprocess=True,
                ignore_required=True,
            )
            if errors:
                for error in errors:
                    raise error

check_valid_configuration(base_job_template)

Check that the combination of base_job_template defaults and job_variables conforms to the schema specified in the base_job_template.

NOTE: This method does not hydrate block references in default values within the base job template to validate them. Failing to do this can cause user-facing errors. Instead of this method, use validate_job_variables_for_deployment function from prefect_cloud.orion.api.validation.

Source code in src/prefect/server/schemas/actions.py

def check_valid_configuration(self, base_job_template: dict):
    """
    Check that the combination of base_job_template defaults and job_variables
    conforms to the schema specified in the base_job_template.

    NOTE: This method does not hydrate block references in default values within the
    base job template to validate them. Failing to do this can cause user-facing
    errors. Instead of this method, use `validate_job_variables_for_deployment`
    function from `prefect_cloud.orion.api.validation`.
    """
    # This import is here to avoid a circular import
    from prefect.utilities.schema_tools import validate

    variables_schema = deepcopy(base_job_template.get("variables"))

    if variables_schema is not None:
        errors = validate(
            self.job_variables,
            variables_schema,
            raise_on_error=False,
            preprocess=True,
            ignore_required=True,
        )
        if errors:
            for error in errors:
                raise error

FlowCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a flow.

Source code in src/prefect/server/schemas/actions.py

class FlowCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a flow."""

    name: Name = Field(
        default=..., description="The name of the flow", examples=["my-flow"]
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of flow tags",
        examples=[["tag-1", "tag-2"]],
    )

FlowRunCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a flow run.

Source code in src/prefect/server/schemas/actions.py

class FlowRunCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a flow run."""

    # FlowRunCreate states must be provided as StateCreate objects
    state: Optional[StateCreate] = Field(
        default=None, description="The state of the flow run to create"
    )

    name: str = Field(
        default_factory=lambda: generate_slug(2),
        description=(
            "The name of the flow run. Defaults to a random slug if not specified."
        ),
        examples=["my-flow-run"],
    )
    flow_id: UUID = Field(default=..., description="The id of the flow being run.")
    flow_version: Optional[str] = Field(
        default=None, description="The version of the flow being run."
    )
    parameters: Dict[str, Any] = Field(
        default_factory=dict,
    )
    context: Dict[str, Any] = Field(
        default_factory=dict,
        description="The context of the flow run.",
    )
    parent_task_run_id: Optional[UUID] = Field(None)
    infrastructure_document_id: Optional[UUID] = Field(None)
    empirical_policy: schemas.core.FlowRunPolicy = Field(
        default_factory=schemas.core.FlowRunPolicy,
        description="The empirical policy for the flow run.",
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of tags for the flow run.",
        examples=[["tag-1", "tag-2"]],
    )
    idempotency_key: Optional[str] = Field(
        None,
        description=(
            "An optional idempotency key. If a flow run with the same idempotency key"
            " has already been created, the existing flow run will be returned."
        ),
    )

    # DEPRECATED

    deployment_id: Optional[UUID] = Field(
        None,
        description=(
            "DEPRECATED: The id of the deployment associated with this flow run, if"
            " available."
        ),
        deprecated=True,
    )

    @field_validator("name", mode="before")
    @classmethod
    def set_name(cls, name):
        return get_or_create_run_name(name)

FlowRunNotificationPolicyCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a flow run notification policy.

Source code in src/prefect/server/schemas/actions.py

class FlowRunNotificationPolicyCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a flow run notification policy."""

    is_active: bool = Field(
        default=True, description="Whether the policy is currently active"
    )
    state_names: List[str] = Field(
        default=..., description="The flow run states that trigger notifications"
    )
    tags: List[str] = Field(
        default=...,
        description="The flow run tags that trigger notifications (set [] to disable)",
    )
    block_document_id: UUID = Field(
        default=..., description="The block document ID used for sending notifications"
    )
    message_template: Optional[str] = Field(
        default=None,
        description=(
            "A templatable notification message. Use {braces} to add variables."
            " Valid variables include:"
            f" {listrepr(sorted(schemas.core.FLOW_RUN_NOTIFICATION_TEMPLATE_KWARGS), sep=', ')}"
        ),
        examples=[
            "Flow run {flow_run_name} with id {flow_run_id} entered state"
            " {flow_run_state_name}."
        ],
    )

    @field_validator("message_template")
    @classmethod
    def validate_message_template_variables(cls, v):
        return validate_message_template_variables(v)

FlowRunNotificationPolicyUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a flow run notification policy.

Source code in src/prefect/server/schemas/actions.py

class FlowRunNotificationPolicyUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a flow run notification policy."""

    is_active: Optional[bool] = Field(None)
    state_names: Optional[List[str]] = Field(None)
    tags: Optional[List[str]] = Field(None)
    block_document_id: Optional[UUID] = Field(None)
    message_template: Optional[str] = Field(None)

    @field_validator("message_template")
    @classmethod
    def validate_message_template_variables(cls, v):
        return validate_message_template_variables(v)

FlowRunUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a flow run.

Source code in src/prefect/server/schemas/actions.py

class FlowRunUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a flow run."""

    name: Optional[str] = Field(None)
    flow_version: Optional[str] = Field(None)
    parameters: Dict[str, Any] = Field(default_factory=dict)
    empirical_policy: schemas.core.FlowRunPolicy = Field(
        default_factory=schemas.core.FlowRunPolicy
    )
    tags: List[str] = Field(default_factory=list)
    infrastructure_pid: Optional[str] = Field(None)
    job_variables: Optional[Dict[str, Any]] = Field(None)

    @field_validator("name", mode="before")
    @classmethod
    def set_name(cls, name):
        return get_or_create_run_name(name)

FlowUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a flow.

Source code in src/prefect/server/schemas/actions.py

class FlowUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a flow."""

    tags: List[str] = Field(
        default_factory=list,
        description="A list of flow tags",
        examples=[["tag-1", "tag-2"]],
    )

LogCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a log.

Source code in src/prefect/server/schemas/actions.py

class LogCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a log."""

    name: str = Field(default=..., description="The logger name.")
    level: int = Field(default=..., description="The log level.")
    message: str = Field(default=..., description="The log message.")
    timestamp: DateTime = Field(default=..., description="The log timestamp.")
    flow_run_id: Optional[UUID] = Field(None)
    task_run_id: Optional[UUID] = Field(None)

SavedSearchCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a saved search.

Source code in src/prefect/server/schemas/actions.py

class SavedSearchCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a saved search."""

    name: str = Field(default=..., description="The name of the saved search.")
    filters: List[schemas.core.SavedSearchFilter] = Field(
        default_factory=list, description="The filter set for the saved search."
    )

StateCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a new state.

Source code in src/prefect/server/schemas/actions.py

class StateCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a new state."""

    type: schemas.states.StateType = Field(
        default=..., description="The type of the state to create"
    )
    name: Optional[str] = Field(
        default=None, description="The name of the state to create"
    )
    message: Optional[str] = Field(
        default=None, description="The message of the state to create"
    )
    data: Optional[Any] = Field(
        default=None, description="The data of the state to create"
    )
    state_details: schemas.states.StateDetails = Field(
        default_factory=schemas.states.StateDetails,
        description="The details of the state to create",
    )

    @model_validator(mode="after")
    def default_name_from_type(self):
        """If a name is not provided, use the type"""
        # if `type` is not in `values` it means the `type` didn't pass its own
        # validation check and an error will be raised after this function is called
        name = self.name
        if name is None and self.type:
            self.name = " ".join([v.capitalize() for v in self.type.value.split("_")])
        return self

    @model_validator(mode="after")
    def default_scheduled_start_time(self):
        from prefect.server.schemas.states import StateType

        if self.type == StateType.SCHEDULED:
            if not self.state_details.scheduled_time:
                self.state_details.scheduled_time = pendulum.now("utc")

        return self

default_name_from_type()

If a name is not provided, use the type

Source code in src/prefect/server/schemas/actions.py

@model_validator(mode="after")
def default_name_from_type(self):
    """If a name is not provided, use the type"""
    # if `type` is not in `values` it means the `type` didn't pass its own
    # validation check and an error will be raised after this function is called
    name = self.name
    if name is None and self.type:
        self.name = " ".join([v.capitalize() for v in self.type.value.split("_")])
    return self

TaskRunCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a task run

Source code in src/prefect/server/schemas/actions.py

class TaskRunCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a task run"""

    id: Optional[UUID] = Field(
        default=None,
        description="The ID to assign to the task run. If not provided, a random UUID will be generated.",
    )
    # TaskRunCreate states must be provided as StateCreate objects
    state: Optional[StateCreate] = Field(
        default=None, description="The state of the task run to create"
    )

    name: str = Field(
        default_factory=lambda: generate_slug(2), examples=["my-task-run"]
    )
    flow_run_id: Optional[UUID] = Field(
        default=None, description="The flow run id of the task run."
    )
    task_key: str = Field(
        default=..., description="A unique identifier for the task being run."
    )
    dynamic_key: str = Field(
        default=...,
        description=(
            "A dynamic key used to differentiate between multiple runs of the same task"
            " within the same flow run."
        ),
    )
    cache_key: Optional[str] = Field(
        default=None,
        description=(
            "An optional cache key. If a COMPLETED state associated with this cache key"
            " is found, the cached COMPLETED state will be used instead of executing"
            " the task run."
        ),
    )
    cache_expiration: Optional[DateTime] = Field(
        default=None, description="Specifies when the cached state should expire."
    )
    task_version: Optional[str] = Field(
        default=None, description="The version of the task being run."
    )
    empirical_policy: schemas.core.TaskRunPolicy = Field(
        default_factory=schemas.core.TaskRunPolicy,
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of tags for the task run.",
        examples=[["tag-1", "tag-2"]],
    )
    task_inputs: Dict[
        str,
        List[
            Union[
                schemas.core.TaskRunResult,
                schemas.core.Parameter,
                schemas.core.Constant,
            ]
        ],
    ] = Field(
        default_factory=dict,
        description="The inputs to the task run.",
    )

    @field_validator("name", mode="before")
    @classmethod
    def set_name(cls, name):
        return get_or_create_run_name(name)

    @field_validator("cache_key")
    @classmethod
    def validate_cache_key(cls, cache_key):
        return validate_cache_key_length(cache_key)

TaskRunUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a task run

Source code in src/prefect/server/schemas/actions.py

class TaskRunUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a task run"""

    name: str = Field(
        default_factory=lambda: generate_slug(2), examples=["my-task-run"]
    )

    @field_validator("name", mode="before")
    @classmethod
    def set_name(cls, name):
        return get_or_create_run_name(name)

VariableCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a Variable.

Source code in src/prefect/server/schemas/actions.py

class VariableCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a Variable."""

    name: str = Field(
        default=...,
        description="The name of the variable",
        examples=["my-variable"],
        max_length=MAX_VARIABLE_NAME_LENGTH,
    )
    value: StrictVariableValue = Field(
        default=...,
        description="The value of the variable",
        examples=["my-value"],
    )
    tags: List[str] = Field(
        default_factory=list,
        description="A list of variable tags",
        examples=[["tag-1", "tag-2"]],
    )

    # validators
    _validate_name_format = field_validator("name")(validate_variable_name)

VariableUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a Variable.

Source code in src/prefect/server/schemas/actions.py

class VariableUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a Variable."""

    name: Optional[str] = Field(
        default=None,
        description="The name of the variable",
        examples=["my-variable"],
        max_length=MAX_VARIABLE_NAME_LENGTH,
    )
    value: StrictVariableValue = Field(
        default=None,
        description="The value of the variable",
        examples=["my-value"],
    )
    tags: Optional[List[str]] = Field(
        default=None,
        description="A list of variable tags",
        examples=[["tag-1", "tag-2"]],
    )

    # validators
    _validate_name_format = field_validator("name")(validate_variable_name)

WorkPoolCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a work pool.

Source code in src/prefect/server/schemas/actions.py

class WorkPoolCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a work pool."""

    name: NonEmptyishName = Field(..., description="The name of the work pool.")
    description: Optional[str] = Field(None, description="The work pool description.")
    type: str = Field(description="The work pool type.", default="prefect-agent")
    base_job_template: Dict[str, Any] = Field(
        default_factory=dict, description="The work pool's base job template."
    )
    is_paused: bool = Field(
        default=False,
        description="Pausing the work pool stops the delivery of all work.",
    )
    concurrency_limit: Optional[NonNegativeInteger] = Field(
        default=None, description="A concurrency limit for the work pool."
    )

    _validate_base_job_template = field_validator("base_job_template")(
        validate_base_job_template
    )

WorkPoolUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a work pool.

Source code in src/prefect/server/schemas/actions.py

class WorkPoolUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a work pool."""

    description: Optional[str] = Field(None)
    is_paused: Optional[bool] = Field(None)
    base_job_template: Optional[Dict[str, Any]] = Field(None)
    concurrency_limit: Optional[NonNegativeInteger] = Field(None)

    _validate_base_job_template = field_validator("base_job_template")(
        validate_base_job_template
    )

WorkQueueCreate

Bases: ActionBaseModel

Data used by the Prefect REST API to create a work queue.

Source code in src/prefect/server/schemas/actions.py

class WorkQueueCreate(ActionBaseModel):
    """Data used by the Prefect REST API to create a work queue."""

    name: Name = Field(default=..., description="The name of the work queue.")
    description: Optional[str] = Field(
        default="", description="An optional description for the work queue."
    )
    is_paused: bool = Field(
        default=False, description="Whether or not the work queue is paused."
    )
    concurrency_limit: Optional[NonNegativeInteger] = Field(
        None, description="The work queue's concurrency limit."
    )
    priority: Optional[PositiveInteger] = Field(
        None,
        description=(
            "The queue's priority. Lower values are higher priority (1 is the highest)."
        ),
    )

    # DEPRECATED

    filter: Optional[schemas.core.QueueFilter] = Field(
        None,
        description="DEPRECATED: Filter criteria for the work queue.",
        deprecated=True,
    )

WorkQueueUpdate

Bases: ActionBaseModel

Data used by the Prefect REST API to update a work queue.

Source code in src/prefect/server/schemas/actions.py

class WorkQueueUpdate(ActionBaseModel):
    """Data used by the Prefect REST API to update a work queue."""

    name: Optional[str] = Field(None)
    description: Optional[str] = Field(None)
    is_paused: bool = Field(
        default=False, description="Whether or not the work queue is paused."
    )
    concurrency_limit: Optional[NonNegativeInteger] = Field(None)
    priority: Optional[PositiveInteger] = Field(None)
    last_polled: Optional[DateTime] = Field(None)

    # DEPRECATED

    filter: Optional[schemas.core.QueueFilter] = Field(
        None,
        description="DEPRECATED: Filter criteria for the work queue.",
        deprecated=True,
    )