src/frontend_service/orchestrator/langchain_tools/langchain_tools_orchestrator.py [194:226]:
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    async def get_connector(self) -> TCPConnector:
        if self.connector is None:
            self.connector = TCPConnector(limit=100)
        return self.connector

    async def create_client_session(self) -> ClientSession:
        return ClientSession(
            connector=await self.get_connector(),
            connector_owner=False,
            headers={},
            raise_for_status=True,
        )

    def create_prompt_template(self, tools: List[StructuredTool]) -> ChatPromptTemplate:
        # Create new prompt template
        tool_strings = "\n".join(
            [f"> {tool.name}: {tool.description}" for tool in tools]
        )
        tool_names = ", ".join([tool.name for tool in tools])
        format_instructions = FORMAT_INSTRUCTIONS.format(
            tool_names=tool_names,
        )
        current_datetime = "Today's date and current time is {cur_datetime}."
        template = "\n\n".join(
            [
                PREFIX,
                current_datetime,
                TOOLS_PREFIX,
                tool_strings,
                format_instructions,
                SUFFIX,
            ]
        )
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src/frontend_service/orchestrator/langgraph/langgraph_orchestrator.py [177:209]:
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    async def get_connector(self) -> TCPConnector:
        if self.connector is None:
            self.connector = TCPConnector(limit=100)
        return self.connector

    async def create_client_session(self) -> ClientSession:
        return ClientSession(
            connector=await self.get_connector(),
            connector_owner=False,
            headers={},
            raise_for_status=True,
        )

    def create_prompt_template(self, tools: List[StructuredTool]) -> ChatPromptTemplate:
        # Create new prompt template
        tool_strings = "\n".join(
            [f"> {tool.name}: {tool.description}" for tool in tools]
        )
        tool_names = ", ".join([tool.name for tool in tools])
        format_instructions = FORMAT_INSTRUCTIONS.format(
            tool_names=tool_names,
        )
        current_datetime = "Today's date and current time is {cur_datetime}."
        template = "\n\n".join(
            [
                PREFIX,
                current_datetime,
                TOOLS_PREFIX,
                tool_strings,
                format_instructions,
                SUFFIX,
            ]
        )
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