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Tr/3 way prs #1354

Merged
merged 2 commits into from
Nov 12, 2024
Merged

Tr/3 way prs #1354

merged 2 commits into from
Nov 12, 2024

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mrT23
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@mrT23 mrT23 commented Nov 12, 2024

PR Type

enhancement, bug fix


Description

  • Added validation to ensure hunk lines in patches match the original file content, preventing invalid hunks.
  • Improved the retrieval of PR file content by using the merge base commit instead of the base SHA, ensuring accuracy in parallel merges.
  • Removed verbosity level checks for logging, simplifying the logging process.
  • Enhanced error handling and logging across the codebase for better traceability.
  • Introduced new attributes in pr_code_suggestions.py to support prediction preparation.

Changes walkthrough 📝

Relevant files
Enhancement
git_patch_processing.py
Add validation for hunk line matching in patch processing

pr_agent/algo/git_patch_processing.py

  • Added validation for hunk lines matching the original file content.
  • Modified decode_if_bytes to handle bytearray.
  • Introduced check_if_hunk_lines_matches_to_file function.
  • +25/-5   
    github_provider.py
    Improve PR file content retrieval and logging                       

    pr_agent/git_providers/github_provider.py

  • Improved PR file content retrieval by using merge base commit.
  • Removed verbosity level checks for logging.
  • Enhanced error handling and logging.
  • +34/-28 
    pr_code_suggestions.py
    Enhance prediction preparation with diff attributes           

    pr_agent/tools/pr_code_suggestions.py

  • Added patches_diff_list and patches_diff_no_line_number attributes.
  • +2/-0     

    💡 PR-Agent usage: Comment /help "your question" on any pull request to receive relevant information

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    PR Reviewer Guide 🔍

    Here are some key observations to aid the review process:

    ⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪
    🏅 Score: 85
    🧪 No relevant tests
    🔒 No security concerns identified
    ⚡ Recommended focus areas for review

    Error Handling
    The new hunk validation function has a bare try-except block that silently passes exceptions, which could mask important issues

    Exception Handling
    The merge base commit fallback uses the PR base directly without proper error handling or validation

    Code Duplication
    Similar error logging patterns are repeated throughout the code. Consider extracting common logging logic into a helper function

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    PR Code Suggestions ✨

    Explore these optional code suggestions:

    CategorySuggestion                                                                                                                                    Score
    General
    Improve error handling by catching and logging specific exceptions instead of using a bare except clause

    Add error handling for the case when i + 1 is out of range in
    check_if_hunk_lines_matches_to_file. Currently, the bare except block silently
    ignores all errors, which could mask important issues.

    pr_agent/algo/git_patch_processing.py [160-167]

     try:
         if i + 1 < len(patch_lines) and patch_lines[i + 1][0] == ' ': # an existing line in the file
             if patch_lines[i + 1].strip() != original_lines[start1 - 1].strip():
                 is_valid_hunk = False
                 get_logger().error(
                     f"Invalid hunk in PR, line {start1} in hunk header doesn't match the original file content")
    -except:
    -    pass
    +except IndexError as e:
    +    get_logger().error(f"Index error while validating hunk: {e}")
    +except Exception as e:
    +    get_logger().error(f"Unexpected error while validating hunk: {e}")
    • Apply this suggestion
    Suggestion importance[1-10]: 7

    Why: The suggestion improves error handling by replacing a bare 'except' with specific exception handling, which helps in better debugging and issue identification. This is a meaningful improvement for code maintainability and troubleshooting.

    7
    Possible issue
    Add proper null handling for merge base commit retrieval failure

    Handle the case where merge_base_commit is None after the try-except block.
    Currently, if the comparison fails, merge_base_commit is set to pr.base which might
    not be a valid commit object.

    pr_agent/git_providers/github_provider.py [208-213]

     try:
         compare = repo.compare(pr.base.sha, pr.head.sha)
         merge_base_commit = compare.merge_base_commit
     except Exception as e:
         get_logger().error(f"Failed to get merge base commit: {e}")
    +    merge_base_commit = None
    +
    +if merge_base_commit is None:
         merge_base_commit = pr.base
    • Apply this suggestion
    Suggestion importance[1-10]: 6

    Why: The suggestion adds explicit null handling for merge base commit failures, making the code more robust. While the current code is functional, the improvement adds clarity and better handles edge cases.

    6
    • Author self-review: I have reviewed the PR code suggestions, and addressed the relevant ones.

    💡 Need additional feedback ? start a PR chat

    @mrT23 mrT23 merged commit b07f96d into main Nov 12, 2024
    2 checks passed
    @mrT23 mrT23 deleted the tr/3-way-prs branch November 12, 2024 06:17
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    2 participants