yaoyao-open-source
1d82d59ec8
This reverts commit 54fcef9887.
Please do not submit unrelated docs and codes in the same commit. I am reverting this commit so that the related files can be submitted in better-organized future commits.
46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import TypeGuard
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from langchain_core.messages import AIMessage, BaseMessage, HumanMessage, ToolMessage
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def is_ai_message(message: BaseMessage) -> TypeGuard[AIMessage]:
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return isinstance(message, AIMessage)
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def is_human_message(message: BaseMessage) -> TypeGuard[HumanMessage]:
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return isinstance(message, HumanMessage)
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def is_tool_message(message: BaseMessage) -> TypeGuard[ToolMessage]:
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return isinstance(message, ToolMessage)
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def is_tool_for_name(tool_message: ToolMessage, name: str) -> bool:
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return tool_message.name == name
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def get_screenshot_message_for_llm(screenshot_base64: str):
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prefix = "" if screenshot_base64.startswith("data:image") else "data:image/jpeg;base64,"
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return HumanMessage(
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content=[
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{
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"type": "image_url",
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"image_url": {"url": f"{prefix}{screenshot_base64}"},
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}
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]
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)
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