cleder / crepr

Create a ❤️__repr__🤗️ for your python classes from the definition found in __init__
MIT License
6 stars 4 forks source link

Update crepr.py #61

Closed Sohammhatre10 closed 1 month ago

Sohammhatre10 commented 1 month ago

User description

Summary This pull request introduces a new command report_missing t which reports classes in specified Python files that do not have a custom repr method defined mentioned in https://github.com/cleder/crepr/issues/51

Changes Made Command Definition: A new command report_missing has been added, which takes a list of file paths as input. Module Inspection: The command iterates through the provided files, attempts to load each module, and checks for classes that either lack a repr method or use the default implementation from the object class. Error handling using CreprError. Output: Classes missing a custom repr method are reported with their file paths and line numbers for easy identification. Motivation Having a custom repr method improves the readability and debugging of classes by providing meaningful string representations. This command helps developers ensure that their classes follow this best practice.

How to Test Run the command in the terminal with a specified Python file as follows:

!crepr report-missing <your-filename>

Expected output is of the form

file-name : line-number : class-name 

PR Type

enhancement, error handling


Description


Changes walkthrough 📝

Relevant files
Enhancement
crepr.py
Add command to report classes missing custom __repr__ methods

crepr/crepr.py
  • Added a new command report_missing to identify classes without custom
    __repr__ methods.
  • Implemented error handling using CreprError for module loading.
  • Introduced report_missing_classes function to check and report classes
    missing __repr__.
  • +19/-0   

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

    Summary by Sourcery

    Add a new command report_missing to the crepr tool, which reports classes without a custom __repr__ method in specified files, enhancing code readability and debugging.

    New Features:

    Summary by CodeRabbit

    semanticdiff-com[bot] commented 1 month ago

    Review changes with SemanticDiff.

    Analyzed 1 of 1 files.

    Filename Status
    :heavy_check_mark: crepr/crepr.py Analyzed
    sourcery-ai[bot] commented 1 month ago

    Reviewer's Guide by Sourcery

    This pull request introduces a new command report_missing to the crepr tool. The command identifies and reports classes in specified Python files that lack a custom __repr__ method. This feature aids developers in ensuring their classes follow the best practice of having meaningful string representations for improved readability and debugging.

    Sequence Diagram

    sequenceDiagram
        participant User
        participant CLI
        participant report_missing
        participant report_missing_classes
        participant get_module
        participant get_all_init_args
        User->>CLI: Execute report_missing command
        CLI->>report_missing: Call with file paths
        loop For each file
            report_missing->>get_module: Load module
            report_missing->>report_missing_classes: Process module
            report_missing_classes->>get_all_init_args: Get class info
            report_missing_classes->>CLI: Output missing __repr__
        end

    File-Level Changes

    Change Details Files
    Implement new 'report_missing' command
    • Add 'report_missing' function decorated with @app.command()
    • Implement logic to process input files and report classes without custom repr
    • Use typer for command-line interface and output
    crepr/crepr.py
    Create helper function for reporting missing repr methods
    • Implement 'report_missing_classes' function to check classes in a module
    • Use 'get_all_init_args' to iterate through classes in the module
    • Check for absence of repr or use of default object.repr
    • Output file path, line number, and class name for classes missing custom repr
    crepr/crepr.py
    Implement error handling
    • Use try-except block to catch CreprError
    • Display error messages in red using typer.secho
    crepr/crepr.py

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    coderabbitai[bot] commented 1 month ago

    Walkthrough

    The pull request introduces a new command, report_missing, to the crepr module. This command enables users to identify classes in specified Python files that do not implement a __repr__ method. It iterates through the modules, checking each class and reporting those missing the method along with their file paths and line numbers.

    Changes

    File Change Summary
    crepr/crepr.py Added method report_missing(files: Annotated[list[pathlib.Path], file_arg]) and method report_missing_classes(module: ModuleType, file_path: pathlib.Path) to report classes without a __repr__.

    Possibly related issues

    Poem

    In the land of code where rabbits play,
    A new command hops in, brightening the day.
    "Report the missing!" it joyfully sings,
    For classes without __repr__, oh what joy it brings!
    With paths and lines, we’ll find them all,
    A tidy repr for each, we heed the call! 🐇✨


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    codiumai-pr-agent-pro[bot] commented 1 month ago

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    PR Reviewer Guide 🔍

    Here are some key observations to aid the review process:

    ⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪
    🧪 No relevant tests
    🔒 No security concerns identified
    ⚡ Recommended focus areas for review

    Error Handling
    The error handling in the `report_missing` function catches `CreprError`, but it's unclear if this covers all possible exceptions that could occur during module loading or class inspection. Performance Concern
    The `report_missing_classes` function checks for the presence of `__repr__` method for all objects, which might include non-class objects, potentially leading to unnecessary checks.
    codiumai-pr-agent-free[bot] commented 1 month ago

    PR Reviewer Guide 🔍

    Here are some key observations to aid the review process:

    ⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪
    🧪 No relevant tests
    🔒 No security concerns identified
    ⚡ Recommended focus areas for review

    Error Handling
    The error handling in the `report_missing` function catches `CreprError`, but it's not clear where this exception is defined or raised. Consider adding more specific error handling. Code Duplication
    The `get_module` function is called in the `report_missing` function, which might be duplicating logic from other parts of the code. Consider refactoring to reduce duplication. Performance Concern
    The `report_missing_classes` function checks for the presence of `__repr__` method for all objects. This might be inefficient for large modules. Consider optimizing this process.
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    PR Code Suggestions ✨

    Explore these optional code suggestions:

    CategorySuggestion                                                                                                                                    Score
    Enhancement
    Add a counter for classes without __repr__ methods and return the count ___ **In the report_missing_classes function, consider adding a counter for the number of
    classes without __repr__ methods and return this count. This would allow for easier
    aggregation of results in the calling function and enable the implementation of the
    summary suggestion.** [crepr/crepr.py [393-396]](https://github.com/cleder/crepr/pull/61/files#diff-abcd7c4a2773c8234cdc05070d0abd10b0245a1a15f470288240c6d3a108f576R393-R396) ```diff -def report_missing_classes(module: ModuleType, file_path: pathlib.Path) -> None: +def report_missing_classes(module: ModuleType, file_path: pathlib.Path) -> int: + missing_count = 0 for obj, _, lineno, _ in get_all_init_args(module): if not hasattr(obj, "__repr__") or obj.__repr__ is object.__repr__: typer.echo(f"{file_path}: {lineno}: {obj.__name__}") + missing_count += 1 + return missing_count ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 8 Why: Introducing a counter to track and return the number of classes without `__repr__` methods allows for better aggregation of results and supports the implementation of a summary feature. This suggestion is valuable for enhancing functionality and reporting capabilities.
    8
    Add a summary of results at the end of the report ___ **In the report_missing function, consider adding a summary at the end of the function
    to provide an overview of the total number of files processed and the total number
    of classes found without __repr__ methods. This would give users a quick summary of
    the results.** [crepr/crepr.py [380-390]](https://github.com/cleder/crepr/pull/61/files#diff-abcd7c4a2773c8234cdc05070d0abd10b0245a1a15f470288240c6d3a108f576R380-R390) ```diff @app.command() def report_missing( files: Annotated[list[pathlib.Path], file_arg], ) -> None: """Report classes without __repr__ methods.""" + total_files = 0 + total_missing = 0 for file_path in files: try: module = get_module(file_path) - report_missing_classes(module, file_path) + missing = report_missing_classes(module, file_path) + total_files += 1 + total_missing += missing except CreprError as e: typer.secho(e.message, fg="red", err=True) + typer.echo(f"\nSummary: {total_missing} classes without __repr__ found in {total_files} files.") ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 7 Why: Adding a summary of the total number of files processed and classes missing `__repr__` methods provides users with a quick overview of the results, enhancing the usability of the function. This suggestion is practical and improves user experience.
    7
    Improve variable naming for better code readability ___ **Consider using a more descriptive variable name instead of obj in the
    report_missing_classes function. This would make the code more readable and
    self-documenting. For example, you could use class_obj or potential_class to better
    indicate what type of object is being processed.** [crepr/crepr.py [393-396]](https://github.com/cleder/crepr/pull/61/files#diff-abcd7c4a2773c8234cdc05070d0abd10b0245a1a15f470288240c6d3a108f576R393-R396) ```diff def report_missing_classes(module: ModuleType, file_path: pathlib.Path) -> None: - for obj, _, lineno, _ in get_all_init_args(module): - if not hasattr(obj, "__repr__") or obj.__repr__ is object.__repr__: - typer.echo(f"{file_path}: {lineno}: {obj.__name__}") + for class_obj, _, lineno, _ in get_all_init_args(module): + if not hasattr(class_obj, "__repr__") or class_obj.__repr__ is object.__repr__: + typer.echo(f"{file_path}: {lineno}: {class_obj.__name__}") ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 6 Why: The suggestion to rename 'obj' to 'class_obj' enhances code readability by making it clearer that the variable represents a class object. This is a minor improvement but contributes to better code maintainability.
    6

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    Enhancement
    Improve variable naming for better code readability ___ **Consider using a more descriptive variable name instead of obj in the
    report_missing_classes function. This will make the code more readable and
    self-explanatory. For example, you could use class_obj or potential_class.** [crepr/crepr.py [393-396]](https://github.com/cleder/crepr/pull/61/files#diff-abcd7c4a2773c8234cdc05070d0abd10b0245a1a15f470288240c6d3a108f576R393-R396) ```diff def report_missing_classes(module: ModuleType, file_path: pathlib.Path) -> None: - for obj, _, lineno, _ in get_all_init_args(module): - if not hasattr(obj, "__repr__") or obj.__repr__ is object.__repr__: - typer.echo(f"{file_path}: {lineno}: {obj.__name__}") + for class_obj, _, lineno, _ in get_all_init_args(module): + if not hasattr(class_obj, "__repr__") or class_obj.__repr__ is object.__repr__: + typer.echo(f"{file_path}: {lineno}: {class_obj.__name__}") ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 7 Why:
    7
    Add a summary of the total number of classes without __repr__ methods ___ **In the report_missing function, consider adding a summary at the end of the function
    to show the total number of classes without __repr__ methods across all files. This
    will provide a quick overview of the results.** [crepr/crepr.py [380-390]](https://github.com/cleder/crepr/pull/61/files#diff-abcd7c4a2773c8234cdc05070d0abd10b0245a1a15f470288240c6d3a108f576R380-R390) ```diff @app.command() def report_missing( files: Annotated[list[pathlib.Path], file_arg], ) -> None: """Report classes without __repr__ methods.""" + total_missing = 0 for file_path in files: try: module = get_module(file_path) - report_missing_classes(module, file_path) + missing_count = report_missing_classes(module, file_path) + total_missing += missing_count except CreprError as e: typer.secho(e.message, fg="red", err=True) + typer.echo(f"\nTotal classes without __repr__: {total_missing}") ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 7 Why:
    7
    Add a counter for classes without __repr__ methods and return the count ___ **In the report_missing_classes function, consider adding a counter for the number of
    classes without __repr__ methods and return this count. This will allow for better
    reporting and integration with other parts of the code.** [crepr/crepr.py [393-396]](https://github.com/cleder/crepr/pull/61/files#diff-abcd7c4a2773c8234cdc05070d0abd10b0245a1a15f470288240c6d3a108f576R393-R396) ```diff -def report_missing_classes(module: ModuleType, file_path: pathlib.Path) -> None: +def report_missing_classes(module: ModuleType, file_path: pathlib.Path) -> int: + missing_count = 0 for obj, _, lineno, _ in get_all_init_args(module): if not hasattr(obj, "__repr__") or obj.__repr__ is object.__repr__: typer.echo(f"{file_path}: {lineno}: {obj.__name__}") + missing_count += 1 + return missing_count ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 7 Why:
    7

    💡 Need additional feedback ? start a PR chat

    codecov[bot] commented 1 month ago

    Codecov Report

    Attention: Patch coverage is 23.07692% with 10 lines in your changes missing coverage. Please review.

    Project coverage is 95.76%. Comparing base (73edf14) to head (df59dd6).

    Files with missing lines Patch % Lines
    crepr/crepr.py 23.07% 10 Missing :warning:
    Additional details and impacted files ```diff @@ Coverage Diff @@ ## develop #61 +/- ## =========================================== - Coverage 98.97% 95.76% -3.22% =========================================== Files 4 4 Lines 294 307 +13 Branches 38 43 +5 =========================================== + Hits 291 294 +3 - Misses 3 13 +10 ```

    :umbrella: View full report in Codecov by Sentry.
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