后端错误

[huangbz2007]

ERROR    2024-03-27 14:36:00 - ERROR    - directory_reader - Error while loading component: 400: {'error': 'Invalid type convertion. Please check your code and try     directory_reader.py:79
                         again.', 'traceback': 'Traceback (most recent call last):\n  File "/Users/space/work/langflow-main/src/backend/langflow/interface/custom/utils.py", line 311,                        
                         in build_custom_component_template\n    add_base_classes(frontend_node, custom_component.get_function_entrypoint_return_type)\n  File                                                
                         "/Users/space/work/langflow-main/src/backend/langflow/interface/custom/utils.py", line 75, in add_base_classes\n    base_classes =                                                   
                         get_base_classes(return_type_instance)\n  File "/Users/space/work/langflow-main/src/backend/langflow/utils/util.py", line 189, in get_base_classes\n    result                       
                         = \n  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/typing.py", line 701, in __getattr__\n                               
                         raise AttributeError(attr)\nAttributeError: __name__\n'}   

[dosubot[bot]]

The error you're encountering, "Invalid type conversion. Please check your code and try again," suggests there's an issue with type conversion within the build_custom_component_template function in the utils.py file. This function is crucial for constructing templates for custom components by handling type conversion, including extracting and converting types for extra fields and managing fields that require dynamic type handling.

The traceback points to the add_base_classes function, which aims to determine the output of nodes by identifying the base classes of a given class. This is essential for understanding the inheritance and capabilities of the class, especially when generating templates or representations for use in a larger system.

To address this issue, consider the following steps:

1. Ensure Correct Encoding and Decoding: Verify that the encoding used to convert strings to bytes and back is consistent, especially if you're compressing and decompressing strings. UTF-8 encoding is generally recommended.

2. Check Type Annotations and Imports: Make sure all type hints used in function arguments are correctly imported from the typing module. This is particularly relevant to methods that deal with type hints.

3. Validate Data Before Conversion: Before compressing or processing file content, ensure the data is in the expected format and type to avoid operations on incompatible data types.

4. Debugging and Logging: Implement detailed logging around areas where type conversion occurs, especially in the process_file method. This can help pinpoint where the invalid type conversion is attempted.

Review the operations performed around line 79 in the directory_reader.py file, focusing on data handling and type conversion, to identify and correct the specific issue. For more detailed investigation, you might want to look into the source code of the utils.py and util.py files.

Sources

• src/backend/langflow/interface/custom/directory_reader/directory_reader.py
• src/backend/langflow/interface/custom/utils.py
• src/backend/langflow/utils/util.py

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