fix: Reason content

[shaohuzhang1]

fix: Reason content

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[shaohuzhang1]

The provided Python function execute_block has a minor issue with string concatenation. Instead of using an OR operator (or) which could lead to unexpected results when handling empty strings, it should be combined more straightforwardly. Here's the revised version:

def execute_block(self, message_list: List[BaseMessage],
                     chat_result):
    # Existing logic...
    
    if 'reasoning_content' in chat_result.response_metadata:
        reasoning_content = chat_result.response_metadata.get('reasoning_content', '')
    else:
        reasoning_content = reasoning_result.get('reasoning_content') + reasoning_result_end.get(
            'reasoning_content')
        
    # Revised line
    output_string = ("{}{}{}".format(*[
        item or ""
        for item in [
            reasoning_result.get('content'),
            reasoning_result_end.get('content'),
            " " if any(item) else "",  # Add space only if either part is not empty
            reasoning_content
        ]
]))
    
    post_response_handler.handler(chat_id, chat_record_id, paragraph_list, problem_text,
                                 content, manage, self, padding_problem_text,
                                 reasoning_content=output_string)

In this revision, I used tuple unpacking within f-string formatting. This method ensures that all values are evaluated and concatenated correctly without unnecessary checks for emptiness. The spaces are added conditionally based on whether either the main content or reasoning content is present.

[shaohuzhang1]

The provided Python function is mostly correct but contains two minor issues:

1. The line content = reasoning_result.get('content') + reasoning_result_end.get('content') can be simplified using logical OR (or) to avoid multiple conditions.

2. Similarly, the line where both reasoning_content and its fallbacks are concatenated should also use or.

Here's an optimized version of the code with these corrections:

def write_context(node_variable: Dict, workflow_variable: Dict, node: INode,
                 workflow: WorkflowData, response):
    # Sum reasoning content from responses or their empty strings
    reasoning_content = (response.reasoning_content or '') \
                      + (response.response_metadata.get('reasoning_content', '') or '')

    content = reasoninig_result.get('content') + reasoning_resultEnd.get('content')

    _write_context(node_variable, workflow_variable, node, workflow, content, reasoning_content)

These changes ensure that if either response.reasoning_content or the one specified in metadata is None, it will default to an empty string before concatenation. This avoids potential runtime errors when attempting non-string values.