patch and prompt improvements

[mrT23]

PR Type

Enhancement, Documentation

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Description

• Enhanced the logic for processing new and old hunks in convert_to_hunks_with_lines_numbers function in git_patch_processing.py.
• Updated the Docker base image from Python 3.10 to Python 3.12 in Dockerfile.
• Improved clarity and added detailed instructions in code suggestion prompts, reflection prompts, and reviewer prompts in respective TOML files.

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Changes walkthrough 📝

	Relevant files
Enhancement	git_patch_processing.py Enhance hunk processing logic and code readability              pr_agent/algo/git_patch_processing.py Improved handling of new and old hunks in patch processing. Added checks for presence of '+' and '-' lines before appending hunks. Fixed formatting issues and improved code readability. +26/-19
Dependencies	Dockerfile Update Docker base image to Python 3.12                                    docker/Dockerfile Updated base image from Python 3.10 to Python 3.12. +1/-1
Documentation	pr_code_suggestions_prompts.toml Improve code suggestion prompts and field descriptions      pr_agent/settings/pr_code_suggestions_prompts.toml Improved clarity of code suggestion prompts. Added instructions for handling hunks with no new or removed code. Enhanced field descriptions for better understanding. +13/-11  pr_code_suggestions_reflect_prompts.toml Enhance code suggestion reflection prompts                              pr_agent/settings/pr_code_suggestions_reflect_prompts.toml Improved clarity of code suggestion reflection prompts. Added instructions for handling hunks with no new or removed code. +3/-3      pr_reviewer_prompts.toml Improve PR reviewer prompts and instructions                          pr_agent/settings/pr_reviewer_prompts.toml Improved clarity of PR reviewer prompts. Added instructions for handling hunks with no new or removed code. +3/-2

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[codiumai-pr-agent-pro]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪

🏅 Score: 85

🧪 No relevant tests

🔒 No security concerns identified

🔀 Multiple PR themes Sub-PR theme: Update Docker Base Image Relevant files: docker/Dockerfile Sub-PR theme: Update Documentation and Prompts Relevant files: pr_agent/settings/pr_code_suggestions_prompts.toml pr_agent/settings/pr_code_suggestions_reflect_prompts.toml pr_agent/settings/pr_reviewer_prompts.toml Sub-PR theme: Enhance Hunk Processing Logic Relevant files: pr_agent/algo/git_patch_processing.py

⚡ Key issues to review Error Handling The use of a bare except: at line 229 should be replaced with more specific exception handling to avoid catching unexpected exceptions. Code Duplication The logic for processing new and old content lines (lines 206-216 and 245-255) is duplicated. Consider refactoring into a function to improve maintainability.

[pc-bob]

@mrT23 can we get a new docker image published with these changes? this would address #1086

[mrT23]

PR Code Suggestions ✨

Latest suggestions up to ee1676c

Category	Suggestion	Score
Best practice	Specify the exception type in the except clause for better error handling The except: clause is too broad and may catch unexpected exceptions. Consider specifying the exact exception type you're expecting, such as ValueError. pr_agent/algo/git_patch_processing.py [229-231] -except: # '@@ -0,0 +1 @@' case +except ValueError: # '@@ -0,0 +1 @@' case start1, size1, size2 = map(int, res[:3]) start2 = 0 Apply this suggestion Suggestion importance[1-10]: 8 Why: This is an important suggestion for improving error handling and following best practices in exception management.	8
	Use a more stable tag for the base image to improve reproducibility Consider using a more specific tag for the Python base image instead of the latest patch version. This can help ensure reproducibility and avoid potential issues with future updates. docker/Dockerfile [1] -FROM python:3.12.3 AS base +FROM python:3.12 AS base Apply this suggestion Suggestion importance[1-10]: 7 Why: This suggestion improves reproducibility and stability of the Docker build process, which is important for consistent deployments.	7
Maintainability	Use a more descriptive variable name for clarity Consider using a more descriptive variable name instead of match. For example, hunk_header_match would better convey its purpose. pr_agent/algo/git_patch_processing.py [201] -match = RE_HUNK_HEADER.match(line) +hunk_header_match = RE_HUNK_HEADER.match(line) Apply this suggestion Suggestion importance[1-10]: 6 Why: The suggestion improves code readability by using a more descriptive variable name, which is a good practice but not critical.	6
Performance	Use a generator expression instead of a list comprehension inside the any() function Consider using a list comprehension instead of the any() function with a generator expression for better readability and potentially slightly improved performance. pr_agent/algo/git_patch_processing.py [206] -is_plus_lines = any([line.startswith('+') for line in new_content_lines]) +is_plus_lines = any(line.startswith('+') for line in new_content_lines) Apply this suggestion Suggestion importance[1-10]: 5 Why: This suggestion offers a minor performance improvement and slightly better readability, but the impact is relatively small.	5

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Previous suggestions

Suggestions up to commit ee1676c

Category	Suggestion	Score
Best practice	Improve exception handling by specifying the exception type Replace the bare except: with a more specific exception handling to avoid catching unexpected exceptions, which can make debugging difficult. pr_agent/algo/git_patch_processing.py [229-231] try: start1, size1, start2, size2 = map(int, res[:4]) -except: # '@@ -0,0 +1 @@' case +except ValueError: # Handle specific exception for integer conversion start1, size1, start2 = map(int, res[:3]) start2 = 0 Suggestion importance[1-10]: 10 Why: This suggestion improves the robustness and maintainability of the code by catching specific exceptions, making it easier to debug and preventing unintended exception handling.	10
Performance	Use generator expressions for better performance in checks Use a more Pythonic approach to check if any lines start with '+' or '-' by using generator expressions instead of list comprehensions for better performance. pr_agent/algo/git_patch_processing.py [245-251] -is_plus_lines = any([line.startswith('+') for line in new_content_lines]) -is_minus_lines = any([line.startswith('-') for line in old_content_lines]) +is_plus_lines = any(line.startswith('+') for line in new_content_lines) +is_minus_lines = any(line.startswith('-') for line in old_content_lines) Suggestion importance[1-10]: 9 Why: This suggestion improves performance and readability by using generator expressions, which are more efficient than list comprehensions for this use case.	9
	Move the list comprehension condition outside the loop for efficiency Optimize the list comprehension inside the loop by moving the condition outside the loop to prevent redundant checks. pr_agent/algo/git_patch_processing.py [245-249] -if new_content_lines: - is_plus_lines = any([line.startswith('+') for line in new_content_lines]) - if is_plus_lines: - patch_with_lines_str = patch_with_lines_str.rstrip() + '\n__new hunk__\n' - for i, line_new in enumerate(new_content_lines): - patch_with_lines_str += f"{start2 + i} {line_new}\n" +is_plus_lines = any(line.startswith('+') for line in new_content_lines) +if is_plus_lines: + patch_with_lines_str = patch_with_lines_str.rstrip() + '\n__new hunk__\n' + for i, line_new in enumerate(new_content_lines): + patch_with_lines_str += f"{start2 + i} {line_new}\n" Suggestion importance[1-10]: 8 Why: This suggestion enhances performance by reducing redundant checks inside the loop, making the code more efficient.	8

✅ Suggestions up to commit 3420e6f

Category	Suggestion	Score
Best practice	Replace broad exception handling with a specific exception type Replace the broad except clause with a more specific exception to avoid catching unintended exceptions and to make error handling more predictable. pr_agent/algo/git_patch_processing.py [229] -except: # '@@ -0,0 +1 @@' case +except ValueError: # '@@ -0,0 +1 @@' case Apply this suggestion Suggestion importance[1-10]: 10 Why: Replacing a broad except clause with a specific exception type improves error handling and makes the code more predictable and maintainable.	10
	✅ Use a more specific tag for the Docker base image Suggestion Impact: The commit implemented a more specific tag for the Python base image, although it used a different version (3.12.3) than the one suggested (3.12.0). code diff: -FROM python:3.12 AS base +FROM python:3.12.3 AS base Specify a more explicit tag for the Python base image to ensure consistent builds across different environments. docker/Dockerfile [1] -FROM python:3.12 AS base +FROM python:3.12.0 AS base Apply this suggestion Suggestion importance[1-10]: 7 Why: Using a more specific tag for the Docker base image ensures consistency and predictability in builds, which is a good practice.	7
Maintainability	Refactor repetitive code into a function to handle hunk additions Avoid code duplication by creating a function to handle the addition of new and old hunks to patch_with_lines_str. pr_agent/algo/git_patch_processing.py [206-216] +def add_hunk_content(hunk_type, content_lines, start_index=None): + if hunk_type == 'new': + prefix = '__new hunk__' + line_format = f"{start_index + i} {line}\n" for i, line in enumerate(content_lines) + else: + prefix = '__old hunk__' + line_format = f"{line}\n" for line in content_lines + patch_with_lines_str = patch_with_lines_str.rstrip() + f'\n{prefix}\n' + ''.join(line_format) + if is_plus_lines: - patch_with_lines_str = patch_with_lines_str.rstrip() + '\n__new hunk__\n' - for i, line_new in enumerate(new_content_lines): - patch_with_lines_str += f"{start2 + i} {line_new}\n" + add_hunk_content('new', new_content_lines, start2) if is_minus_lines: - patch_with_lines_str = patch_with_lines_str.rstrip() + '\n__old hunk__\n' - for line_old in old_content_lines: - patch_with_lines_str += f"{line_old}\n" + add_hunk_content('old', old_content_lines) Apply this suggestion Suggestion importance[1-10]: 9 Why: Refactoring repetitive code into a function enhances maintainability and reduces the risk of errors.	9
Performance	Optimize the use of any() with a generator expression Use a list comprehension directly in the any() function to improve readability and performance. pr_agent/algo/git_patch_processing.py [206] -is_plus_lines = any([line.startswith('+') for line in new_content_lines]) +is_plus_lines = any(line.startswith('+') for line in new_content_lines) Apply this suggestion Suggestion importance[1-10]: 8 Why: Using a generator expression in the any() function is more efficient and improves code readability.	8