wehub-resource-sync
62 lines
2.6 KiB
Python
62 lines
2.6 KiB
Python
# Copyright (c) Microsoft. All rights reserved.
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from collections.abc import Sequence
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from typing import Literal
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from pydantic import Field
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from semantic_kernel.exceptions.kernel_exceptions import KernelException
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from semantic_kernel.kernel_pydantic import KernelBaseModel
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from semantic_kernel.processes.kernel_process.kernel_process_edge import KernelProcessEdge
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from semantic_kernel.processes.kernel_process.kernel_process_state import KernelProcessState
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from semantic_kernel.processes.kernel_process.kernel_process_step_info import KernelProcessStepInfo
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from semantic_kernel.processes.kernel_process.kernel_process_step_state import KernelProcessStepState
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from semantic_kernel.processes.step_utils import (
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DEFAULT_ALLOWED_MODULE_PREFIXES,
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get_fully_qualified_name,
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get_step_class_from_qualified_name,
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)
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from semantic_kernel.utils.feature_stage_decorator import experimental
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@experimental
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class DaprStepInfo(KernelBaseModel):
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"""A Dapr step info."""
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type: Literal["DaprStepInfo"] = "DaprStepInfo"
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inner_step_python_type: str
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state: KernelProcessState | KernelProcessStepState
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edges: dict[str, list[KernelProcessEdge]] = Field(default_factory=dict)
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def to_kernel_process_step_info(
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self, allowed_module_prefixes: Sequence[str] | None = DEFAULT_ALLOWED_MODULE_PREFIXES
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) -> KernelProcessStepInfo:
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"""Converts the Dapr step info to a kernel process step info.
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Args:
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allowed_module_prefixes: Sequence of module prefixes that are allowed
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for step class loading. Defaults to DEFAULT_ALLOWED_MODULE_PREFIXES
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("semantic_kernel.",). Pass None to disable the allowlist and allow
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any module (not recommended for production). An empty sequence blocks
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all modules.
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"""
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inner_step_type = get_step_class_from_qualified_name(
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self.inner_step_python_type,
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allowed_module_prefixes=allowed_module_prefixes,
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)
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return KernelProcessStepInfo(inner_step_type=inner_step_type, state=self.state, output_edges=self.edges)
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@classmethod
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def from_kernel_step_info(cls, kernel_step_info: KernelProcessStepInfo) -> "DaprStepInfo":
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"""Creates a Dapr step info from a kernel step info."""
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if kernel_step_info is None:
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raise KernelException("Kernel step info must be provided")
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inner_step_type = get_fully_qualified_name(kernel_step_info.inner_step_type)
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return DaprStepInfo(
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inner_step_python_type=inner_step_type,
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state=kernel_step_info.state,
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edges={key: list(value) for key, value in kernel_step_info.edges.items()},
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)
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