PCART: Automated Repair of Python API Parameter Compatibility Issues

• URL: http://arxiv.org/abs/2406.03839v3
• Date: Sun, 02 Mar 2025 12:21:40 GMT
• Title: PCART: Automated Repair of Python API Parameter Compatibility Issues
• Authors: Shuai Zhang, Guanping Xiao, Jun Wang, Huashan Lei, Gangqiang He, Yepang Liu, Zheng Zheng,
• Abstract summary: Python third-party libraries play a critical role, especially in fields like deep learning and scientific computing.<n>API parameters in these libraries often change during evolution, leading to compatibility issues for client applications reliant on specific versions.<n>No tool can automatically detect and repair Python API parameter compatibility issues.<n>PCART is the first solution to fully automate the process of API extraction, code instrumentation, API mapping establishment, compatibility assessment, repair, and validation.
• Score: 11.36053416670063
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In modern software development, Python third-party libraries play a critical role, especially in fields like deep learning and scientific computing. However, API parameters in these libraries often change during evolution, leading to compatibility issues for client applications reliant on specific versions. Python's flexible parameter-passing mechanism further complicates this, as different passing methods can result in different API compatibility. Currently, no tool can automatically detect and repair Python API parameter compatibility issues. To fill this gap, we introduce PCART, the first solution to fully automate the process of API extraction, code instrumentation, API mapping establishment, compatibility assessment, repair, and validation. PCART handles various types of Python API parameter compatibility issues, including parameter addition, removal, renaming, reordering, and the conversion of positional to keyword parameters. To evaluate PCART, we construct PCBENCH, a large-scale benchmark comprising 47,478 test cases mutated from 844 parameter-changed APIs across 33 popular Python libraries. Evaluation results demonstrate that PCART is both effective and efficient, significantly outperforming existing tools (MLCatchUp and Relancer) and the large language model ChatGPT (GPT-4o), achieving an F1-score of 96.49% in detecting API parameter compatibility issues and a repair precision of 92.26%. Further evaluation on 30 real-world Python projects from GitHub confirms PCART's practicality. We believe PCART can significantly reduce the time programmers spend maintaining Python API updates and advance the automation of Python API compatibility issue repair.

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