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semantic-kernel/python/semantic_kernel/functions/function_result.py
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Eduard van Valkenburg fbb26b5cf6 Python: further improvements to checks and docs in dev_setup (#6445)
### Motivation and Context

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  1. Why is this change required?
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Added a section on documentation to the DEV_SETUP
Added a check for the copyright row to pre-commit
Closes #5629

### Description

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These notes will help understanding how your code works. Thanks! -->

### Contribution Checklist

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- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄
2024-05-31 13:06:41 +00:00

67 lines
2.5 KiB
Python

# Copyright (c) Microsoft. All rights reserved.
import logging
from typing import Any
from pydantic import Field
from semantic_kernel.contents.kernel_content import KernelContent
from semantic_kernel.exceptions import FunctionResultError
from semantic_kernel.functions.kernel_function_metadata import KernelFunctionMetadata
from semantic_kernel.kernel_pydantic import KernelBaseModel
logger = logging.getLogger(__name__)
class FunctionResult(KernelBaseModel):
"""The result of a function.
Args:
function (KernelFunctionMetadata): The metadata of the function that was invoked.
value (Any): The value of the result.
metadata (Mapping[str, Any]): The metadata of the result.
Methods:
__str__: Get the string representation of the result, will call str() on the value,
or if the value is a list, will call str() on the first element of the list.
get_inner_content: Get the inner content of the function result
when that is a KernelContent or subclass of the first item of the value if it is a list.
"""
function: KernelFunctionMetadata
value: Any
metadata: dict[str, Any] = Field(default_factory=dict)
def __str__(self) -> str:
"""Get the string representation of the result."""
if self.value:
try:
if isinstance(self.value, list):
return (
str(self.value[0])
if isinstance(self.value[0], KernelContent)
else ",".join(map(str, self.value))
)
if isinstance(self.value, dict):
# TODO (eavanvalkenburg): remove this once function result doesn't include input args
# This is so an integration test can pass.
return str(list(self.value.values())[-1])
return str(self.value)
except Exception as e:
raise FunctionResultError(f"Failed to convert value to string: {e}") from e
else:
return ""
def get_inner_content(self, index: int = 0) -> Any | None:
"""Get the inner content of the function result.
Args:
index (int): The index of the inner content if the inner content is a list, default 0.
"""
if isinstance(self.value, list) and isinstance(self.value[index], KernelContent):
return self.value[index].inner_content
if isinstance(self.value, KernelContent):
return self.value.inner_content
return None