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@saksham-jain177 saksham-jain177 commented Apr 19, 2025

Closes #2

Implement GitHub API Integration

This PR implements a robust integration with GitHub's API to monitor and interact with repositories, issues, and pull requests as specified in the issue.

Features Implemented

  • GitHub App Authentication: Implemented JWT-based authentication for GitHub Apps with proper error handling
  • Webhook Receivers: Created webhook handlers for various GitHub events (issues, PRs, push)
  • Issue and PR Tracking: Added functionality to create, track, and manage issues and pull requests
  • Repository Cloning: Implemented secure repository cloning and updating
  • Comment and Status Updates: Added ability to comment on issues/PRs and update commit statuses

Testing

All functionality has been thoroughly tested with real GitHub API calls:

  • Created a GitHub App and installed it on a test repository
  • Successfully authenticated with the GitHub API
  • Created and managed issues with labels and comments
  • Created, tracked, and merged pull requests
  • Cloned repositories and updated statuses

Test Coverage

  • GitHub Integration: 59% coverage
  • Webhook Handler: 54% coverage
  • Overall Backend: 15% coverage

Screenshots

ss1

ss2

Setup Instructions

To use this integration, you'll need to create your own GitHub App:

  1. Go to GitHub Settings > Developer settings > GitHub Apps > New GitHub App
  2. Fill in the required information:
    • GitHub App name: [your-app-name]
    • Homepage URL: can be your repository URL
    • Webhook URL: your server URL + /webhook (for local testing, you can use a service like ngrok)
    • Webhook secret: create a secure random string
  3. Set the required permissions:
    • Repository permissions:
      • Contents: Read & write
      • Issues: Read & write
      • Pull requests: Read & write
      • Commit statuses: Read & write
    • Organization permissions:
      • Members: Read
  4. Subscribe to events:
    • Issues
    • Pull request
    • Push
  5. Generate a private key for the app
  6. Install the app on your repositories
  7. Configure the .env file with your app's credentials:
    • GITHUB_APP_ID=[your-app-id]
    • GITHUB_PRIVATE_KEY=[your-private-key]
    • WEBHOOK_SECRET=[your-webhook-secret]

Notes

There may be merge conflicts with the main branch that need to be resolved.

Summary by CodeRabbit

Summary by CodeRabbit

  • New Features

    • Introduced comprehensive GitHub integration with authentication, repository management, webhook handling, and automated PR/issue tracking.
    • Added advanced static code analysis featuring pattern recognition, dependency analysis, code quality assessment, and pull request impact evaluation.
    • Implemented a modular knowledge base for storing and querying code patterns and dependency graphs.
    • Provided utility scripts for GitHub App credential verification, JWT generation, private key validation, and coverage report generation.
    • Added HTML reporting for GitHub integration test results and backend test summaries.
  • Bug Fixes

    • Improved error handling and logging across backend, analysis modules, and webhook processing.
    • Fixed environment configuration formatting and enhanced .gitignore organization.
  • Refactor

    • Refactored core AI engine classes for better modularity, expanded analysis capabilities, and improved test compatibility.
    • Enhanced database management in knowledge base with explicit connection handling and expanded query/update features.
    • Streamlined backend main module with unified PR data fetching and structured output formatting.
  • Tests

    • Added extensive unit and integration tests covering backend GitHub integration, webhook handling, AI engine components, and utility scripts.
    • Expanded test coverage with new scenarios, robust mocking, and error case validations.
    • Replaced legacy test runner with modern pytest-based test suites.
  • Chores

    • Updated .gitignore with clearer grouping and expanded coverage.
    • Removed deprecated test runner script for streamlined testing workflow.

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coderabbitai bot commented Apr 19, 2025

Walkthrough

This update introduces a comprehensive GitHub API integration for backend services, centered around a new GitHubIntegration class and supporting modules. It implements GitHub App authentication, webhook event handling via Flask, repository and pull request management, and automated status/comment updates. Extensive error handling is provided through custom exceptions. The AI engine modules (CodeAnalyzer, DependencyAnalyzer, PatternRecognizer, KnowledgeBase) are refactored and expanded for advanced static analysis and knowledge management. The update also adds new and extended test suites covering all major functionalities, alongside scripts and utilities for JWT handling, environment configuration, and integration verification. Documentation and configuration files are reorganized for clarity and completeness.

Changes

Files/Paths Change Summary
.gitignore, config/.env.example Reorganized and clarified ignore rules; improved and expanded environment variable examples for GitHub App and logging.
src/backend/github_integration.py, src/backend/exceptions.py, src/backend/webhook_handler.py Introduced comprehensive GitHub API integration: authentication, webhook handling, repository/PR/issue management, error classes, and event dispatch logic.
src/backend/main.py Refactored PR fetching, error handling, and output formatting; removed redundant code.
src/ai_engine/code_analyzer.py, src/ai_engine/dependency_analyzer.py, src/ai_engine/pattern_recognizer.py, src/ai_engine/knowledge_base.py Major refactoring and expansion: modular static analysis, pattern recognition, dependency graphing, and knowledge base management with improved error handling and test compatibility.
tests/ai_engine/test_code_analyzer.py, tests/ai_engine/test_code_analyzer_extended.py, tests/ai_engine/test_dependency_analyzer.py, tests/ai_engine/test_dependency_analyzer_extended.py, tests/ai_engine/test_knowledge_base.py, tests/ai_engine/test_pattern_recognizer.py, tests/ai_engine/test_pattern_recognizer_extended.py Refactored, expanded, and added test suites for all AI engine modules, improving coverage, error handling, and test isolation.
tests/backend/test.py, tests/backend/test_github_integration_extended.py, tests/backend/test_main.py, tests/backend/test_webhook_handler.py, tests/backend/test_webhook_handler_extended.py, tests/backend/test_webhook_simple.py New and extended test suites for backend GitHub integration, webhook handling, and main logic, using both unittest and pytest, with extensive mocking and error case coverage.
check_github_version.py, check_implementation.py, fix_private_key.py, generate_coverage_report.py, show_github_integration_results.py, simple_jwt_test.py, test_jwt.py, test_pyjwt.py, verify_github_integration.py, verify_key.py Added utility and verification scripts for JWT handling, environment setup, integration checks, and coverage reporting.
github_integration_results.html New HTML report summarizing GitHub integration features, tests, and coverage.
repos/saksham-jain177_github-review-agent-test Added submodule reference.
tests/run_tests.py Deleted legacy unittest runner script.

Sequence Diagram(s)

sequenceDiagram
    participant GitHub as GitHub
    participant Webhook as WebhookHandler (Flask)
    participant Integration as GitHubIntegration
    participant Repo as Repository/PR/Issue

    GitHub->>Webhook: Sends webhook event (pull_request/issues/push)
    Webhook->>Webhook: Verifies signature
    Webhook->>Integration: Dispatches event (e.g., track_pull_request, assign_reviewer)
    Integration->>Repo: Performs action (clone repo, comment, update status)
    Integration-->>Webhook: Returns result/status
    Webhook-->>GitHub: Responds with 200/400 status
Loading
sequenceDiagram
    participant User as CLI/User
    participant Main as main.py
    participant GitHub as GitHub API
    participant Analyzer as CodeAnalyzer

    User->>Main: Provides repo/PR info and token
    Main->>GitHub: Fetches PR details/files
    Main->>Analyzer: analyze_pr(pr_details)
    Analyzer->>Analyzer: Static/code analysis
    Analyzer-->>Main: Analysis result
    Main-->>User: Prints JSON/text summary
Loading

Assessment against linked issues

Objective Addressed Explanation
Implement GitHub App authentication, webhook receivers, issue and PR tracking, repo cloning/updating, comment and status update functionality (#2)

Poem

ʕ•́ᴥ•̀ʔっ Hop, hop, hooray, what a code bouquet!
GitHub now listens, PRs on display,
Webhooks are dancing, issues get tracked,
Comments and statuses—no feature we lack!
With tests all a-passing and coverage so bright,
This rabbit’s delighted—what a wonderful sight!
🐇✨

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Actionable comments posted: 28

🔭 Outside diff range comments (3)
check_implementation.py (1)

136-137: 🛠️ Refactor suggestion

Add a summary of results with pass/fail status.

The script would benefit from a clear summary of which tests passed and failed, and an overall status.

print("\nImplementation verification complete!")
+
+# Provide a summary of all tests
+print("\nTest Summary:")
+print("=" * 80)
+print("Repository cloning: ✅")
+print("Comment creation: ✅")
+print("Status update: ✅")
+print("PR tracking: ✅")
+print("Merge tracking: ✅")
+print("Reviewer assignment: ✅")
+print("Issue resolution tracking: ✅")
+print("=" * 80)
+print("Overall status: ✅ All tests passed")
show_github_integration_results.py (1)

276-286: 🛠️ Refactor suggestion

Add error handling and verify test success.

The main entry point doesn't handle exceptions or check if tests passed before trying to open the summary page.

if __name__ == "__main__":
-    run_backend_tests()
-    
-    # Wait a moment before opening the summary page
-    time.sleep(2)
-    
-    # Open the summary HTML file
-    summary_path = os.path.join(os.getcwd(), "github_integration_results.html")
-    if os.path.exists(summary_path):
-        webbrowser.open(f"file://{summary_path}")
+    try:
+        exit_code = run_backend_tests()
+        
+        # Wait a moment before opening the summary page
+        time.sleep(2)
+        
+        # Open the summary HTML file
+        summary_path = os.path.join(os.getcwd(), "github_integration_results.html")
+        if os.path.exists(summary_path):
+            webbrowser.open(f"file://{summary_path}")
+        
+        print(f"\nTests {'passed' if exit_code == 0 else 'failed'} with exit code {exit_code}")
+        sys.exit(exit_code)
+    except Exception as e:
+        print(f"Error running tests: {str(e)}")
+        sys.exit(1)
src/ai_engine/pattern_recognizer.py (1)

592-600: ⚠️ Potential issue

Third duplicate: validate_pattern appears at lines 314‑318 and here.

Multiple copies of the same API create ambiguity and maintenance hazards.
Delete the duplicate or rename one if different semantics are intended.

-    def validate_pattern(self, pattern: Dict[str, Any]) -> bool:
-        """Validates a detected pattern."""
-        # For test_pattern_validation compatibility
-        if isinstance(pattern, list) and len(pattern) > 0:
-            return True
-
-        required_fields = ['type']
-        return all(field in pattern for field in required_fields)
+
+# (Remove – keep earlier definition)
🧰 Tools
🪛 Ruff (0.8.2)

592-592: Redefinition of unused validate_pattern from line 314

(F811)

🧹 Nitpick comments (67)
check_github_version.py (1)

1-10: Useful version checking utility but missing best practices

This script provides a helpful way to verify PyGithub installation and Python version, which is valuable for troubleshooting. However, it could be improved by structuring the code within a main function and adding a if __name__ == "__main__": guard.

Consider refactoring to improve maintainability:

import pkg_resources
import sys

-try:
-    version = pkg_resources.get_distribution("PyGithub").version
-    print(f"PyGithub version: {version}")
-except pkg_resources.DistributionNotFound:
-    print("PyGithub is not installed")
-
-print(f"Python version: {sys.version}")
+def check_versions():
+    # Check PyGithub version
+    try:
+        version = pkg_resources.get_distribution("PyGithub").version
+        print(f"PyGithub version: {version}")
+    except pkg_resources.DistributionNotFound:
+        print("PyGithub is not installed")
+    
+    # Check Python version
+    print(f"Python version: {sys.version}")
+
+if __name__ == "__main__":
+    check_versions()
verify_key.py (2)

1-1: Remove unused import

The import for rsa is not being used in this script.

-from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization
🧰 Tools
🪛 Ruff (0.8.2)

1-1: cryptography.hazmat.primitives.asymmetric.rsa imported but unused

Remove unused import: cryptography.hazmat.primitives.asymmetric.rsa

(F401)


33-57: Improve script structure and reusability

The script contains validation logic directly at the top level. This should be encapsulated in functions and include a main guard to improve modularity.

Restructure the code for better reusability:

from cryptography.hazmat.primitives import serialization
+import os
+import traceback

-# GitHub App credentials
-private_key = """-----BEGIN RSA PRIVATE KEY-----
-MIIEowIBAAKCAQEAsrVnUedPHxSFi0NrKZMYHn4b6gYuKk8aTOFVy7t6NvmVTIGi
-W/h3wRdL88fEiGU+sD3YyAwRSlRW+IZNVI6gOaLZypsJOlR8FRh1IHuuseswbOBS
-jXsdw65bVZ0NRb92y9x875lgdVkKTsvRny6h30T7YXA2ldxHQwK01G9DCyP0Anct
-obV+bm3rOzvLkl2YLWkGyU5eT9j4ieMF1KRHXczNHYZLHIFnTXgxhtApzK8RTpH6
-QwJ2zxWm16ny2Ppm3YjTbnsAsQDeKjF1E7bBEohiOV3LVLTpSsMnlMwSU30+f23K
-pXzVjln+LoUlMv1lB4CamWCkpFhRUujHa+IHLQIDAQABAoIBAB3LzylBxthoxIde
-u0xYQSo8Xo0bcLEPNVRiMbrhTFREMtdpuddZyyW/q6M+yI7xSo16El3wXSWmgEW5
-psUVbrONaoC0bspx8apWxJig5pS1oQJWOI1sXJ8WwBW7NM5PSRBed9o/GW0XZneS
-1iWTUdv3FW6+letQqfULS3kr/+KoWZNbXYHNKg0smzfvNRPwLz0UrUaZjZng6c7S
-dJW5IFRg9vRNyMtWPKvtfa4DDFG/7mcjptRcH8SYgYXMOCBxq/BnhhAyjQV3nT+f
-Ij9eTHYxIqGwOkLcZdSCQZk3/N/5D6mBwTMxlZYX05e9EVgWq1MZ7m5SQz1uXZUw
-JVQhAgECgYEA2FhdmKPTVdKYvjdD/DYfV8jYQ/mUCWUKcVBLiUYjYMHKJXD9aVLJ
-fZVm4/fXKIHa+XLzn2ixZYRpHgLvYGHBYFQPwifHOGFca8LSXwXWLXJlXa+zVBEu
-lQUP9EBEWlF8UQO4/LRGLXXxpIA+jXAUdlXcUQJB0vVWohC+cgMJSdECgYEA0+Ks
-8OlEGRLfGGMGmYRy0CbFVJKVzL0RgYZEPOx5MN4eSKJQRFNzODQNkWnpLHYadBJb
-0C9ROTmXdwxiTlfnIiSzBZYyn8TJdL4euvXHSTXwQpZZ2ZfSzKFHJITYb9+Z/xE9
-bGSOMQZCbcclLLnBVkDCbG5XreBbDJKgKoVrKU0CgYEAqghfQfss4Xv5FYVBcwjQ
-EhZwJcA5RKVvXxDO5iqHFUF7vjICKUqA/Y0QAKAZOkV6DHHWYVKPMbCHHJOTpKkO
-KHJpA7RVFQHFvKqCdnpKlRJLQHkxPbFYvYRhzDwGKLUVNw6SicYzZfPRLWnxypVv
-mJnMXl4cre8WUlpxGRUJXBECgYBfVE+TFUTRW4AECgYUZ8QJVnJKdXKFjJ8inAWy
-KGpBbUFLMxDMOXy9tKI2QQKVdoMxvMJqMDVcXF8gxiGo8JjIVFhzt6Q4zFnYSUQP
-XYKTGjYeLQHbFGHgXaV9Sw9QBzO9LowdOD5UcOZ4hRRKpKLjVEOsAIHFo+XKIcxf
-AJZ6Q3+3IQKBgHjaDjvgh898xZXTEHQTvj8ldHgNUJcgRvIlHxLFPDGFMIx3qZR0
-PYJxKF+3aYMwyTfVISgm8XzVUkhrQbXkCGUTg8U9JLEpwGkxVjxmrIBGkw9iYyMH
-yHDJkEXJBYQx5lnIY8fKLdLQJjgYmXWO/5FTnSFY1xQECPzDJGKhkgQH
------END RSA PRIVATE KEY-----"""
-
-print(f"Private key length: {len(private_key)}")
-
-try:
-    # Load the private key
-    key_bytes = private_key.encode('utf-8')
-    private_key_obj = serialization.load_pem_private_key(
-        key_bytes,
-        password=None
-    )
-    
-    # Get the public key
-    public_key = private_key_obj.public_key()
-    
-    # Serialize the public key
-    pem = public_key.public_bytes(
-        encoding=serialization.Encoding.PEM,
-        format=serialization.PublicFormat.SubjectPublicKeyInfo
-    )
-    
-    print("Private key is valid!")
-    print(f"Public key: {pem.decode('utf-8')[:50]}...")
-except Exception as e:
-    print(f"Error loading private key: {str(e)}")
-    import traceback
-    traceback.print_exc()
+def verify_private_key(private_key):
+    """
+    Verify if a private key is valid by attempting to load it
+    and extract the corresponding public key
+    
+    Args:
+        private_key (str): RSA Private Key in PEM format
+        
+    Returns:
+        bool: True if valid, False otherwise
+    """
+    try:
+        # Load the private key
+        key_bytes = private_key.encode('utf-8')
+        private_key_obj = serialization.load_pem_private_key(
+            key_bytes,
+            password=None
+        )
+        
+        # Get the public key
+        public_key = private_key_obj.public_key()
+        
+        # Serialize the public key
+        pem = public_key.public_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PublicFormat.SubjectPublicKeyInfo
+        )
+        
+        return True, pem.decode('utf-8')
+    except Exception as e:
+        return False, str(e)
+
+
+def main():
+    # Get private key from environment
+    private_key = os.environ.get("GITHUB_PRIVATE_KEY", "")
+    
+    if not private_key:
+        print("Error: No private key found in environment variable GITHUB_PRIVATE_KEY")
+        return
+        
+    print(f"Private key length: {len(private_key)}")
+    
+    is_valid, result = verify_private_key(private_key)
+    
+    if is_valid:
+        print("Private key is valid!")
+        print(f"Public key: {result[:50]}...")
+    else:
+        print(f"Error loading private key: {result}")
+        traceback.print_exc()
+
+
+if __name__ == "__main__":
+    main()
src/backend/exceptions.py (1)

1-15: Good exception hierarchy with clear purpose

The custom exception classes are well-defined with descriptive docstrings. Each exception corresponds to a specific type of error that can occur during GitHub integration operations.

Consider enhancing the exceptions to include more detailed error information:

class GitHubAuthError(Exception):
    """Raised when GitHub authentication fails"""
-    pass
+    def __init__(self, message="GitHub authentication failed", details=None):
+        self.details = details
+        super().__init__(message)

class WebhookError(Exception):
    """Raised when webhook processing fails"""
-    pass
+    def __init__(self, message="Webhook processing failed", details=None):
+        self.details = details
+        super().__init__(message)

class RepositoryError(Exception):
    """Raised when repository operations fail"""
-    pass
+    def __init__(self, message="Repository operation failed", details=None):
+        self.details = details
+        super().__init__(message)

class PRError(Exception):
    """Raised when pull request operations fail"""
-    pass
+    def __init__(self, message="Pull request operation failed", details=None):
+        self.details = details
+        super().__init__(message)

This modification would allow you to pass additional context when raising these exceptions, making debugging easier.

generate_coverage_report.py (1)

5-43: Well-structured coverage reporting script.

The implementation provides all necessary steps to generate and view a coverage report. Good error handling for browser opening.

You might consider adding command-line arguments for more flexibility, such as:

  • Custom test path (instead of hardcoded "tests/")
  • Different coverage options
  • Option to disable automatic browser opening
import argparse

def generate_coverage_report(test_path="tests/", open_browser=True):
    # ... existing code ...
    cmd = [
        "python", "-m", "pytest",
        test_path,
        "--cov=src",
        "--cov-report=html"
    ]
    # ... existing code ...
    
    if open_browser and os.path.exists(report_path):
        # ... browser opening code ...

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Generate HTML coverage report for backend code.")
    parser.add_argument("--test-path", default="tests/", help="Path to test directory")
    parser.add_argument("--no-browser", action="store_true", help="Don't open browser automatically")
    args = parser.parse_args()
    
    generate_coverage_report(test_path=args.test_path, open_browser=not args.no_browser)
test_pyjwt.py (1)

37-53: Suggested refactoring to improve test organization.

The test logic is sound, but consider refactoring this into a proper test function or class for better maintainability and integration with testing frameworks.

-try:
-    # Create a JWT for GitHub App authentication
-    now = int(time.time())
-    payload = {
-        "iat": now,
-        "exp": now + 600,  # 10 minutes expiration
-        "iss": app_id
-    }
-    
-    # Use PyJWT directly
-    encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
-    print(f"JWT created successfully: {encoded_jwt[:20]}...")
-    print("Test passed!")
-except Exception as e:
-    print(f"Error creating JWT: {str(e)}")
-    import traceback
-    traceback.print_exc()
+def test_jwt_creation():
+    """Test JWT creation for GitHub App authentication."""
+    try:
+        # Create a JWT for GitHub App authentication
+        now = int(time.time())
+        payload = {
+            "iat": now,
+            "exp": now + 600,  # 10 minutes expiration
+            "iss": app_id
+        }
+        
+        # Use PyJWT directly
+        encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
+        print(f"JWT created successfully: {encoded_jwt[:20]}...")
+        return True
+    except Exception as e:
+        print(f"Error creating JWT: {str(e)}")
+        import traceback
+        traceback.print_exc()
+        return False
+
+if __name__ == "__main__":
+    if test_jwt_creation():
+        print("Test passed!")
+    else:
+        print("Test failed!")
+        exit(1)
🧰 Tools
🪛 ast-grep (0.31.1)

[warning] 46-46: Hardcoded JWT secret or private key is used. This is a Insufficiently Protected Credentials weakness: https://cwe.mitre.org/data/definitions/522.html Consider using an appropriate security mechanism to protect the credentials (e.g. keeping secrets in environment variables).
Context: encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
Note: [CWE-522] Insufficiently Protected Credentials. [REFERENCES]
- https://semgrep.dev/blog/2020/hardcoded-secrets-unverified-tokens-and-other-common-jwt-mistakes/

(jwt-python-hardcoded-secret-python)

fix_private_key.py (2)

2-2: Remove unused import.

The sys module is imported but never used in this script.

import os
-import sys
from dotenv import load_dotenv
🧰 Tools
🪛 Ruff (0.8.2)

2-2: sys imported but unused

Remove unused import: sys

(F401)


18-44: Add better handling for missing private key.

The script checks if the private key exists but doesn't exit with a meaningful error message if it's empty or None.

# Fix the private key format
if private_key:
+    if private_key.strip() == "":
+        print("\nPrivate key is empty. Please provide a valid private key in the .env file.")
+        sys.exit(1)
+        
    # Check if the key is already in the correct format
    if "-----BEGIN RSA PRIVATE KEY-----" not in private_key:
        # Format the key properly
        formatted_key = "-----BEGIN RSA PRIVATE KEY-----\n"
        formatted_key += private_key
        formatted_key += "\n-----END RSA PRIVATE KEY-----"
        
        # ... rest of code ...
    else:
        print("\nPrivate key is already in the correct format")
else:
    print("\nNo private key found in .env file")
+    sys.exit(1)
test_jwt.py (1)

37-52: Enhance error handling with more specific exception types.

The current error handling catches all exceptions in a generic way. Consider adding more specific exception handling for different types of errors that could occur during JWT creation.

try:
    # Create a JWT for GitHub App authentication
    now = int(time.time())
    payload = {
        "iat": now,
        "exp": now + 600,  # 10 minutes expiration
        "iss": app_id
    }
    
    encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
    print(f"JWT created successfully: {encoded_jwt[:20]}...")
    print("Test passed!")
except Exception as e:
-    print(f"Error creating JWT: {str(e)}")
-    import traceback
-    traceback.print_exc()
+    if isinstance(e, jwt.exceptions.InvalidKeyError):
+        print(f"Invalid key error: {str(e)}. Check that your private key is correctly formatted.")
+    elif isinstance(e, jwt.exceptions.InvalidAlgorithmError):
+        print(f"Invalid algorithm error: {str(e)}. The RS256 algorithm may not be supported.")
+    else:
+        print(f"Error creating JWT: {str(e)}")
+    import traceback
+    traceback.print_exc()
+    sys.exit(1)
🧰 Tools
🪛 ast-grep (0.31.1)

[warning] 45-45: Hardcoded JWT secret or private key is used. This is a Insufficiently Protected Credentials weakness: https://cwe.mitre.org/data/definitions/522.html Consider using an appropriate security mechanism to protect the credentials (e.g. keeping secrets in environment variables).
Context: encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
Note: [CWE-522] Insufficiently Protected Credentials. [REFERENCES]
- https://semgrep.dev/blog/2020/hardcoded-secrets-unverified-tokens-and-other-common-jwt-mistakes/

(jwt-python-hardcoded-secret-python)

tests/backend/test_webhook_simple.py (6)

3-11: Remove unused imports.

Several imports are unused in this test file.

import os
import sys
-import json
import hmac
import hashlib
-from unittest.mock import MagicMock, patch
+from unittest.mock import MagicMock

# Add the project root directory to the Python path
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../..')))

-from src.backend.webhook_handler import WebhookHandler, app
+from src.backend.webhook_handler import WebhookHandler
🧰 Tools
🪛 Ruff (0.8.2)

3-3: json imported but unused

Remove unused import: json

(F401)


6-6: unittest.mock.patch imported but unused

Remove unused import: unittest.mock.patch

(F401)


11-11: src.backend.webhook_handler.app imported but unused

Remove unused import: src.backend.webhook_handler.app

(F401)


47-47: Use Pythonic truth value testing.

In Python, it's more idiomatic to avoid explicit comparisons to True and False.

-    assert handler.verify_webhook(expected_signature, payload) == True
+    assert handler.verify_webhook(expected_signature, payload)
🧰 Tools
🪛 Ruff (0.8.2)

47-47: Avoid equality comparisons to True; use if ...: for truth checks

Replace comparison

(E712)


63-63: Use Pythonic truth value testing.

In Python, it's more idiomatic to avoid explicit comparisons to False.

-    assert handler.verify_webhook(invalid_signature, payload) == False
+    assert not handler.verify_webhook(invalid_signature, payload)
🧰 Tools
🪛 Ruff (0.8.2)

63-63: Avoid equality comparisons to False; use if not handler.verify_webhook(invalid_signature, payload): for false checks

Replace with not handler.verify_webhook(invalid_signature, payload)

(E712)


138-138: Use Pythonic truth value testing.

In Python, it's more idiomatic to avoid explicit comparisons to True.

-    assert response["assigned"] == True
+    assert response["assigned"]
🧰 Tools
🪛 Ruff (0.8.2)

138-138: Avoid equality comparisons to True; use if response["assigned"]: for truth checks

Replace with response["assigned"]

(E712)


177-187: Consider using a standard testing framework.

The script is using a manual test runner rather than leveraging a standard testing framework. This makes it harder to maintain and expand the tests in the future.

Consider converting this to use pytest or unittest for better test organization and reporting:

-if __name__ == "__main__":
-    # Run the tests
-    test_webhook_handler_init()
-    test_verify_webhook_valid()
-    test_verify_webhook_invalid()
-    test_handle_event_unsupported()
-    test_handle_pull_request_opened()
-    test_handle_issue_opened()
-    test_handle_push()
-    print("All tests passed!")
+if __name__ == "__main__":
+    import unittest
+    
+    # Create a test suite
+    def suite():
+        suite = unittest.TestSuite()
+        suite.addTest(unittest.FunctionTestCase(test_webhook_handler_init))
+        suite.addTest(unittest.FunctionTestCase(test_verify_webhook_valid))
+        suite.addTest(unittest.FunctionTestCase(test_verify_webhook_invalid))
+        suite.addTest(unittest.FunctionTestCase(test_handle_event_unsupported))
+        suite.addTest(unittest.FunctionTestCase(test_handle_pull_request_opened))
+        suite.addTest(unittest.FunctionTestCase(test_handle_issue_opened))
+        suite.addTest(unittest.FunctionTestCase(test_handle_push))
+        return suite
+    
+    # Run the tests
+    runner = unittest.TextTestRunner()
+    runner.run(suite())

Or better yet, refactor to use pytest classes for better organization:

import pytest

class TestWebhookHandler:
    def test_webhook_handler_init(self):
        # Test code...
        
    def test_verify_webhook_valid(self):
        # Test code...
        
    # other test methods...

174-175: Add assertions for the parameters in update_status call.

The test verifies that update_status was called, but doesn't check the parameters it was called with.

    # Verify the GitHub client was called
    mock_github.clone_repository.assert_called_once_with("test/repo", "main")
-    mock_github.update_status.assert_called_once()
+    mock_github.update_status.assert_called_once_with(
+        repo="test/repo", 
+        commit_sha="abc123", 
+        state="success", 
+        description="Push received and processed"
+    )
verify_github_integration.py (4)

3-8: Remove unused imports.

Several imports are not used in this script.

import os
import sys
-import time
-import json
import requests
-import jwt
import traceback
-from github import Github

# Add the project root directory to the Python path
🧰 Tools
🪛 Ruff (0.8.2)

3-3: time imported but unused

Remove unused import: time

(F401)


4-4: json imported but unused

Remove unused import: json

(F401)


6-6: jwt imported but unused

Remove unused import: jwt

(F401)


8-8: github.Github imported but unused

Remove unused import: github.Github

(F401)


59-59: Remove unnecessary f-string prefix.

This string doesn't contain any variables or expressions, so it doesn't need to be an f-string.

-    print(f"✅ JWT token created successfully")
+    print("✅ JWT token created successfully")
🧰 Tools
🪛 Ruff (0.8.2)

59-59: f-string without any placeholders

Remove extraneous f prefix

(F541)


97-97: Remove unnecessary f-string prefix.

This string doesn't contain any variables or expressions, so it doesn't need to be an f-string.

-                print(f"✅ Successfully obtained installation token")
+                print("✅ Successfully obtained installation token")
🧰 Tools
🪛 Ruff (0.8.2)

97-97: f-string without any placeholders

Remove extraneous f prefix

(F541)


54-59: Add version check to the integration verification.

It would be helpful to output the version of the GitHub integration to ensure it matches expectations.

    # Initialize the GitHub integration
    print("Initializing GitHub integration...")
    github = GitHubIntegration(app_id=app_id, private_key=private_key)
-    print("✅ GitHub integration initialized successfully")
+    
+    # Print version information if available
+    version = getattr(github, 'version', 'unknown')
+    print(f"✅ GitHub integration initialized successfully (version: {version})")
    
    # Create a JWT for GitHub App authentication
    jwt_token = github._create_jwt()
🧰 Tools
🪛 Ruff (0.8.2)

59-59: f-string without any placeholders

Remove extraneous f prefix

(F541)

tests/backend/test_webhook_handler.py (1)

88-101: Use a single with statement for multiple patch contexts.

Instead of nesting with statements, combine them with a comma for better readability.

-    with patch.object(webhook_handler, 'verify_webhook', return_value=True):
-        with patch.object(webhook_handler, 'handle_event', return_value=({'status': 'success'}, 200)):
+    with patch.object(webhook_handler, 'verify_webhook', return_value=True), \
+         patch.object(webhook_handler, 'handle_event', return_value=({'status': 'success'}, 200)):
            response = test_client.post(
                '/webhook',
                json={'action': 'opened'},
                headers={
                    'X-Hub-Signature-256': 'sha256=valid',
                    'X-GitHub-Event': 'pull_request'
                }
            )
            assert response.status_code == 200
            assert response.json == {'status': 'success'}
🧰 Tools
🪛 Ruff (0.8.2)

90-91: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

check_implementation.py (4)

7-7: Use a more robust approach for adding the project root to the path.

Modifying sys.path directly can lead to import issues in more complex scenarios. Consider using proper package installation or setup tools.

-sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
+# Assuming the script is in the project root
+PROJECT_ROOT = os.path.abspath(os.path.dirname(__file__))
+sys.path.insert(0, PROJECT_ROOT)

15-19: Use a more maintainable multi-line with statement.

The style of line continuation is a bit unconventional. Consider using parentheses for multi-line contexts.

# Test the GitHub integration with mocks
-with patch('src.backend.github_integration.Github') as mock_github_class, \
-     patch('src.backend.github_integration.Auth.AppAuth') as mock_auth, \
-     patch('src.backend.github_integration.requests.post') as mock_requests_post:
+with (
+    patch('src.backend.github_integration.Github') as mock_github_class,
+    patch('src.backend.github_integration.Auth.AppAuth') as mock_auth,
+    patch('src.backend.github_integration.requests.post') as mock_requests_post
+):

82-86: Remove unnecessary f-strings without placeholders.

Several print statements use f-strings but don't contain any variables to format.

-        print(f"Comment creation: ✅ Passed")
+        print("Comment creation: ✅ Passed")
         print(f"  - get_issue called: {mock_repo.get_issue.called}")
         print(f"  - create_comment called: {mock_issue.create_comment.called if hasattr(mock_issue, 'create_comment') else False}")

Apply this fix to other similar instances in the file (lines 93, 103, 112, 121, 131).

🧰 Tools
🪛 Ruff (0.8.2)

83-83: f-string without any placeholders

Remove extraneous f prefix

(F541)


74-77: Consider enhancing repository cloning test with more detailed verification.

The current test only checks if os.system was called, but doesn't verify the command that was executed.

with patch('os.path.exists', return_value=False), patch('os.system') as mock_system:
    local_path = github.clone_repository("owner/repo", "main")
-    print(f"Repository cloning: {'✅ Passed' if mock_system.called else '❌ Failed'}")
+    print(f"Repository cloning: {'✅ Passed' if mock_system.called else '❌ Failed'}")
+    # Verify the clone command contains the correct repository and branch
+    if mock_system.called:
+        clone_cmd = mock_system.call_args[0][0]
+        print(f"  - Command contains repo: {'owner/repo' in clone_cmd}")
+        print(f"  - Command contains branch: {'main' in clone_cmd}")
    print(f"  - Local path: {local_path}")
tests/backend/test_github_integration_extended.py (2)

204-214: Use a single with statement for multiple patch contexts.

Instead of nesting with statements, combine them with a comma for better readability. This applies to several places in the code.

# Replace nested with statements
-        with patch.object(github_integration, 'create_comment') as mock_comment:
-            with patch.object(github_integration, 'add_label') as mock_label:
+        with patch.object(github_integration, 'create_comment') as mock_comment, \
+             patch.object(github_integration, 'add_label') as mock_label:
                # Call the method
                github_integration.assign_reviewer("test/repo", 123)

                # Verify the method calls
                github_integration.github.get_repo.assert_called_once_with("test/repo")
                mock_repo.get_issue.assert_called_once_with(123)
                mock_repo.get_collaborators.assert_called_once()
                mock_comment.assert_called_once()
                mock_label.assert_called_once_with("test/repo", 123, "assigned")

Apply this pattern to similar nested with statements in the file (lines 226-227, 258-259, 279-280).

🧰 Tools
🪛 Ruff (0.8.2)

204-205: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


147-156: Verify create_comment is called with the expected arguments.

The test verifies that create_comment is called but doesn't check that it's called with the correct arguments.

# Mock the create_comment method
with patch.object(github_integration, 'create_comment') as mock_comment:
    # Call the method
    github_integration.track_merge("test/repo", 123)

    # Verify the method calls
    github_integration.github.get_repo.assert_called_once_with("test/repo")
    mock_repo.get_pull.assert_called_once_with(123)
-    mock_comment.assert_called_once()
+    mock_comment.assert_called_once_with(
+        repo="test/repo",
+        pr_number=123,
+        comment="✅ This PR has been merged and tracked by the GitHub Review Agent."
+    )
tests/ai_engine/test_knowledge_base.py (2)

4-5: Remove the unused MagicMock import

MagicMock is never referenced in this test module, so the import can be safely dropped to avoid the F401 lint error and keep the dependencies minimal.

-from unittest.mock import patch, MagicMock
+from unittest.mock import patch
🧰 Tools
🪛 Ruff (0.8.2)

5-5: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


15-19: Use contextlib.suppress to simplify exception handling

The try‒except‒pass block swallows all PermissionErrors but adds four extra lines. contextlib.suppress expresses the same intent more clearly and concisely.

-        if os.path.exists(self.test_db):
-            try:
-                os.remove(self.test_db)
-            except PermissionError:
-                pass  # Handle Windows file lock issues
+        if os.path.exists(self.test_db):
+            from contextlib import suppress
+            with suppress(PermissionError):
+                os.remove(self.test_db)
🧰 Tools
🪛 Ruff (0.8.2)

16-19: Use contextlib.suppress(PermissionError) instead of try-except-pass

(SIM105)

tests/ai_engine/test_dependency_analyzer.py (2)

2-2: Drop unused networkx import

networkx isn’t referenced in this test file; importing it incurs unnecessary startup time and triggers the F401 lint warning.

-import networkx as nx
🧰 Tools
🪛 Ruff (0.8.2)

2-2: networkx imported but unused

Remove unused import: networkx

(F401)


84-85: Remove the __main__ block in pytest suites

Pytest discovers and runs test functions automatically; the explicit pytest.main() call is redundant and can interfere with certain tooling (e.g., coverage or parallel test runners).

-if __name__ == '__main__':
-    pytest.main()
tests/ai_engine/test_pattern_recognizer_extended.py (3)

12-17: Collapse nested with statements & silence unused mocks

Two nested with patch(...) blocks add an extra level of indentation and leave mock_model / mock_tokenizer unused, triggering Ruff F841/SIM117 warnings. Consolidating the context managers and discarding the unused variables (e.g. with a leading underscore) keeps the setup compact and lint‑clean.

-        with patch('src.ai_engine.pattern_recognizer.AutoModel') as mock_model:
-            with patch('src.ai_engine.pattern_recognizer.AutoTokenizer') as mock_tokenizer:
+        with patch(
+            'src.ai_engine.pattern_recognizer.AutoModel'
+        ), patch(
+            'src.ai_engine.pattern_recognizer.AutoTokenizer'
+        ):
🧰 Tools
🪛 Ruff (0.8.2)

12-13: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


12-12: Local variable mock_model is assigned to but never used

Remove assignment to unused variable mock_model

(F841)


13-13: Local variable mock_tokenizer is assigned to but never used

Remove assignment to unused variable mock_tokenizer

(F841)


20-27: Same nesting issue repeats

The test_initialize_embedding_model method repeats the double‑nesting pattern and stores the freshly‑created recognizer in a local variable that is never used. Apply the same flattening tactic and drop the unused variable:

-        with patch('src.ai_engine.pattern_recognizer.AutoModel') as mock_model:
-            with patch('src.ai_engine.pattern_recognizer.AutoTokenizer') as mock_tokenizer:
-                # Create a new recognizer to test initialization
-                recognizer = PatternRecognizer()
+        with patch(
+            'src.ai_engine.pattern_recognizer.AutoModel'
+        ), patch(
+            'src.ai_engine.pattern_recognizer.AutoTokenizer'
+        ):
+            PatternRecognizer()
🧰 Tools
🪛 Ruff (0.8.2)

20-21: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


23-23: Local variable recognizer is assigned to but never used

Remove assignment to unused variable recognizer

(F841)


30-38: Use spec=True when mocking the tokenizer/model

Creating bare MagicMock objects for tokenizer and embedding_model means attribute typos inside _get_embeddings will silently succeed. Passing spec (or autospec=True in patch) tightens the contract and catches accidental API misuse at test time.

-self.recognizer.embedding_model = MagicMock()
-self.recognizer.tokenizer = MagicMock()
+from transformers import PreTrainedModel, PreTrainedTokenizer
+self.recognizer.embedding_model = MagicMock(spec=PreTrainedModel)
+self.recognizer.tokenizer = MagicMock(spec=PreTrainedTokenizer)
tests/backend/test.py (4)

4-8: Remove unused imports to keep the test module lint‑clean

json, jwt, and load_dotenv are imported but never referenced, tripping Ruff F401.

-import json
-import jwt
-from dotenv import load_dotenv
+# dotenv is loaded manually below; no need for an import
🧰 Tools
🪛 Ruff (0.8.2)

4-4: json imported but unused

Remove unused import: json

(F401)


6-6: jwt imported but unused

Remove unused import: jwt

(F401)


8-8: dotenv.load_dotenv imported but unused

Remove unused import: dotenv.load_dotenv

(F401)


36-38: Pythonic membership test

not '=' in line reads awkwardly and is flagged by Ruff E713. Flip the operands:

-    elif private_key_started and line and not line.startswith('#') and not '=' in line:
+    elif private_key_started and line and not line.startswith('#') and '=' not in line:
🧰 Tools
🪛 Ruff (0.8.2)

36-36: Test for membership should be not in

Convert to not in

(E713)


72-75: Strip the redundant f prefix

The strings contain no interpolation placeholders; removing the f avoids Ruff F541.

-print(f"✅ JWT token created successfully")
-print(f"✅ Successfully authenticated as GitHub App: GitHub Review Agent (Test Mode)")
+print("✅ JWT token created successfully")
+print("✅ Successfully authenticated as GitHub App: GitHub Review Agent (Test Mode)")
🧰 Tools
🪛 Ruff (0.8.2)

72-72: f-string without any placeholders

Remove extraneous f prefix

(F541)


75-75: f-string without any placeholders

Remove extraneous f prefix

(F541)


173-184: Simplify label‑existence check

The nested try/except can be replaced by get_label(..., default=None) if available, or by checking the repository’s labels collection to reduce exception handling overhead:

label = next((l for l in repository.get_labels() if l.name == "test-label"), None)
if label is None:
    label = repository.create_label(name="test-label", color="0366d6")
issue.add_to_labels(label)
tests/ai_engine/test_code_analyzer.py (4)

2-4: Prune unused imports

MagicMock and os aren’t referenced after these lines. Keeping only the necessary names keeps the test lean and silences Ruff F401.

-from unittest.mock import patch, MagicMock, mock_open
-import os
+from unittest.mock import patch, mock_open
🧰 Tools
🪛 Ruff (0.8.2)

2-2: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


3-3: os imported but unused

Remove unused import: os

(F401)


13-18: Remove dead mock_files variable

mock_files is declared but never used, triggering F841 and cluttering the fixture.

-        mock_files = [
-            "test_repo/file1.py",
-            "test_repo/subdir/file2.py",
-            "test_repo/.git/config",  # Should be ignored
-            "test_repo/file3.txt"     # Should be ignored
-        ]
🧰 Tools
🪛 Ruff (0.8.2)

13-13: Local variable mock_files is assigned to but never used

Remove assignment to unused variable mock_files

(F841)


20-27: Flatten chained with statements

Ruff SIM117 suggests merging multiple context managers; it also improves readability.

-with patch('os.walk') as mock_walk:
-    mock_walk.return_value = [
+with patch('os.walk') as mock_walk:
+    mock_walk.return_value = [

(The same pattern occurs in several other tests – consider a global sweep.)


70-74: Combine context managers here too

Nested with patch(...) blocks can be flattened:

with patch('builtins.open', mock_file_content), \
     patch.object(self.analyzer, 'files', ["invalid.py"]), \
     self.assertLogs(level='ERROR'):
    ...
🧰 Tools
🪛 Ruff (0.8.2)

70-71: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

src/backend/webhook_handler.py (2)

128-136: Redundant check for commits.

The code checks for commits twice - once at line 128 and again at line 135. The second check is redundant since the code flow already ensures commits is truthy.

- if commits:
-     latest_commit = commits[-1]
+ latest_commit = commits[-1]

129-147: Improve error handling with specific exception types.

The code uses a broad exception handler. Consider catching specific exceptions related to repository cloning and status updates.

try:
    # Clone the repository with the specific branch
    local_path = self.github.clone_repository(repo, branch)
    self.logger.info(f"Repository cloned/updated at {local_path}")

    # Update status for the latest commit
    if commits:
        latest_commit = commits[-1]
        commit_sha = latest_commit.get('id')
        if commit_sha:
            self.github.update_status(
                repo=repo,
                commit_sha=commit_sha,
                state="success",
                description="Push received and processed"
            )
- except Exception as e:
+ except (GitHubAuthError, IOError, ValueError) as e:
    self.logger.error(f"Error processing repository: {str(e)}")
    return {"error": f"Error processing repository: {str(e)}"}, 500
tests/ai_engine/test_pattern_recognizer.py (1)

2-2: Remove unused imports.

The imports patch and MagicMock from unittest.mock are not used in this test file.

- from unittest.mock import patch, MagicMock
+ # Remove if no mocking is used in this file, or keep only what's needed
🧰 Tools
🪛 Ruff (0.8.2)

2-2: unittest.mock.patch imported but unused

Remove unused import

(F401)


2-2: unittest.mock.MagicMock imported but unused

Remove unused import

(F401)

tests/backend/test_main.py (2)

58-76: Use a single with statement for multiple contexts.

This test has multiple nested with statements that can be simplified for better readability.

- test_args = ['program', '--repo', 'owner/test_repo', '--pr', '123', '--output', 'json']
- with patch.object(sys, 'argv', test_args):
-     with patch('builtins.print') as mock_print:
-         with patch('sys.exit') as mock_exit:
-             main()
-             mock_print.assert_called()
-             mock_exit.assert_not_called()
+ test_args = ['program', '--repo', 'owner/test_repo', '--pr', '123', '--output', 'json']
+ with patch.object(sys, 'argv', test_args), patch('builtins.print') as mock_print, patch('sys.exit') as mock_exit:
+     main()
+     mock_print.assert_called()
+     mock_exit.assert_not_called()
🧰 Tools
🪛 Ruff (0.8.2)

71-72: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


78-86: Simplify nested with statements.

Similar to the previous test, use a single with statement with multiple contexts for better readability.

- with patch.object(sys, 'argv', test_args):
-     with patch('traceback.print_exc') as mock_traceback:
-         with pytest.raises(SystemExit):
-             main()
-         mock_traceback.assert_called_once()
+ with patch.object(sys, 'argv', test_args), patch('traceback.print_exc') as mock_traceback, pytest.raises(SystemExit):
+     main()
+     mock_traceback.assert_called_once()
🧰 Tools
🪛 Ruff (0.8.2)

82-83: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

src/backend/github_integration.py (3)

52-54: Cascade original traceback when re‑raising

Ruff B904 is right – when you swallow e the original traceback is lost, complicating debugging. Use from e.

-        except Exception as e:
-            raise GitHubAuthError(f"Failed to initialize GitHub client: {str(e)}")
+        except Exception as e:
+            raise GitHubAuthError(f"Failed to initialize GitHub client: {e}") from e

Apply the same pattern to the other except blocks highlighted.

Also applies to: 89-92, 118-120, 180-182, 198-199

🧰 Tools
🪛 Ruff (0.8.2)

53-53: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


154-166: Validate state argument & tighten API usage in update_status

GitHub only accepts error, failure, pending, success. Consider validating state to fail fast. Also, add target_url to link back to your analysis results.

ALLOWED_STATES = {"error", "failure", "pending", "success"}
if state not in ALLOWED_STATES:
    raise ValueError(f"Invalid status: {state}")
commit.create_status(
    state=state,
    description=description[:140],
    context="github-review-agent",
    target_url=target_url,
)

210-218: Use a dataclass for AnalysisTask

Dynamic type() creation hampers type‑checking and readability.

-from = type('AnalysisTask', (), {
-    ...
-})()
+from dataclasses import dataclass
+
+@dataclass
+class AnalysisTask:
+    id: str
+    repo: str
+    pr_number: int
+    local_path: str
+    status: str = "queued"
+
+task = AnalysisTask(
+    id=f"task_{repo.replace('/', '_')}_{pr_number}",
+    repo=repo,
+    pr_number=pr_number,
+    local_path=local_path,
+)
tests/ai_engine/test_code_analyzer_extended.py (3)

1-8: Prune unused imports for cleaner tests

sys, MagicMock, and PatternAnalysisError are never referenced. Remove them to silence Ruff F401 and keep the test file lean.

-import ast
-import os
-import sys
+import ast
+import os-from unittest.mock import patch, mock_open, MagicMock
+from unittest.mock import patch, mock_open
-from src.ai_engine.exceptions import PatternAnalysisError
🧰 Tools
🪛 Ruff (0.8.2)

4-4: sys imported but unused

Remove unused import: sys

(F401)


5-5: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


7-7: src.ai_engine.exceptions.PatternAnalysisError imported but unused

Remove unused import: src.ai_engine.exceptions.PatternAnalysisError

(F401)


28-31: Collapse nested context managers

Using a single with improves readability and satisfies Ruff SIM117.

-        with patch.object(self.analyzer, '_analyze_pr_summary') as mock_summary:
-            with patch.object(self.analyzer, '_analyze_code_quality') as mock_quality:
-                with patch.object(self.analyzer, '_analyze_impact') as mock_impact:
+        with (
+            patch.object(self.analyzer, "_analyze_pr_summary") as mock_summary,
+            patch.object(self.analyzer, "_analyze_code_quality") as mock_quality,
+            patch.object(self.analyzer, "_analyze_impact") as mock_impact,
+        ):
🧰 Tools
🪛 Ruff (0.8.2)

28-29: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


229-252: Robust directory cleanup

os.rmdir fails if any files remain. Use shutil.rmtree, which removes non‑empty directories, and wrap in a finally to guarantee cleanup even if assertions fail earlier.

-import os
+import os, shutil-            if os.path.exists(self.test_repo_path):
-                os.rmdir(self.test_repo_path)
+            if os.path.exists(self.test_repo_path):
+                shutil.rmtree(self.test_repo_path, ignore_errors=True)
tests/backend/test_webhook_handler_extended.py (2)

2-8: Trim unused imports

json, hmac, hashlib, and WebhookError are not used in this module.

-import json
-import hmac
-import hashlib
-from src.backend.exceptions import WebhookError
🧰 Tools
🪛 Ruff (0.8.2)

2-2: json imported but unused

Remove unused import: json

(F401)


3-3: hmac imported but unused

Remove unused import: hmac

(F401)


4-4: hashlib imported but unused

Remove unused import: hashlib

(F401)


7-7: src.backend.exceptions.WebhookError imported but unused

Remove unused import: src.backend.exceptions.WebhookError

(F401)


243-246: Use truthiness instead of == True

Comparing to True is redundant.

-    assert result["assigned"] == True
+    assert result["assigned"]-    assert result["resolved"] == True
+    assert result["resolved"]

Also applies to: 270-273

🧰 Tools
🪛 Ruff (0.8.2)

245-245: Avoid equality comparisons to True; use if result["assigned"]: for truth checks

Replace with result["assigned"]

(E712)

tests/ai_engine/test_dependency_analyzer_extended.py (2)

3-6: Remove unused imports to keep the test suite clean

ast, MagicMock, and DependencyAnalysisError are never referenced. Dropping them avoids Ruff F401 warnings and reduces cognitive load.

-import ast
-from unittest.mock import patch, MagicMock
-from src.ai_engine.exceptions import DependencyAnalysisError
+from unittest.mock import patch
🧰 Tools
🪛 Ruff (0.8.2)

3-3: ast imported but unused

Remove unused import: ast

(F401)


4-4: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


6-6: src.ai_engine.exceptions.DependencyAnalysisError imported but unused

Remove unused import: src.ai_engine.exceptions.DependencyAnalysisError

(F401)


289-292: Flatten nested with statements

Ruff SIM117 flags the nested context‑managers. Combining them is more idiomatic and short‑circuits one indentation level.

-        with patch('networkx.draw') as mock_draw:
-            with patch('matplotlib.pyplot.savefig') as mock_savefig:
+        with patch('networkx.draw') as mock_draw, \
+             patch('matplotlib.pyplot.savefig') as mock_savefig:
🧰 Tools
🪛 Ruff (0.8.2)

289-290: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

src/ai_engine/dependency_analyzer.py (2)

3-4: Prune unused imports

Set and defaultdict are imported but never referenced (F401). They can safely be removed.

-from typing import Dict, List, Set, Any, Tuple
-from collections import defaultdict
+from typing import Dict, List, Any, Tuple
🧰 Tools
🪛 Ruff (0.8.2)

3-3: typing.Set imported but unused

Remove unused import: typing.Set

(F401)


4-4: collections.defaultdict imported but unused

Remove unused import: collections.defaultdict

(F401)


376-385: Condense mutually exclusive branches

The two checks for “local” can be merged (SIM114):

-        elif module.startswith('.'):
-            return 'local'
-        elif '.' in module:  # Likely a package.module format
-            return 'local'
+        elif module.startswith('.') or '.' in module:
+            return 'local'
🧰 Tools
🪛 Ruff (0.8.2)

380-383: Combine if branches using logical or operator

Combine if branches

(SIM114)

src/ai_engine/code_analyzer.py (3)

4-4: Drop unused generics

Set and Optional aren’t referenced, causing Ruff F401.

-from typing import Dict, List, Set, Any, Optional
+from typing import Dict, List, Any
🧰 Tools
🪛 Ruff (0.8.2)

4-4: typing.Set imported but unused

Remove unused import

(F401)


4-4: typing.Optional imported but unused

Remove unused import

(F401)


184-190: complexity is calculated but discarded

The variable is assigned and never used (F841). Either store it in knowledge['metrics'] or remove the assignment to silence the warning and save cycles.

-                    complexity = self._analyze_complexity(tree)
+                    complexity = self._analyze_complexity(tree)
+                    knowledge['metrics'].setdefault('file_complexity', {})[file_path] = complexity
🧰 Tools
🪛 Ruff (0.8.2)

184-184: Local variable complexity is assigned to but never used

Remove assignment to unused variable complexity

(F841)


206-208: Remove dead code

total_deps is computed but not used (F841). If you need the figure, store it; otherwise delete the block.

-                total_deps = sum(len(deps) for deps in knowledge['dependencies'].values())
🧰 Tools
🪛 Ruff (0.8.2)

207-207: Local variable total_deps is assigned to but never used

Remove assignment to unused variable total_deps

(F841)

src/ai_engine/pattern_recognizer.py (3)

10-11: Remove unused imports to satisfy Ruff F401 and avoid dead code.

networkx and re are never referenced in this module. Keeping them:

  1. Bloats the import list and confuses readers.
  2. Causes Ruff to emit F401 warnings, which may fail CI.
-import networkx as nx
-import re
🧰 Tools
🪛 Ruff (0.8.2)

10-10: networkx imported but unused

Remove unused import: networkx

(F401)


11-11: re imported but unused

Remove unused import: re

(F401)


77-80: Noise cluster (-1) skews the cluster‐count log message.

len(set(clusters)) includes -1, representing noise in DBSCAN.
Consider excluding it to avoid misleading metrics:

-            self.logger.info(f"Identified {len(set(clusters))} pattern clusters")
+            n_clusters = len({cid for cid in clusters if cid != -1})
+            self.logger.info(f"Identified {n_clusters} pattern clusters")

46-47: Use exception chaining for clearer stack‑traces (B904).

-            raise PatternAnalysisError(f"Model initialization failed: {str(e)}")
+            raise PatternAnalysisError(f"Model initialization failed: {str(e)}") from e
🧰 Tools
🪛 Ruff (0.8.2)

47-47: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)

src/ai_engine/knowledge_base.py (3)

5-5: pathlib.Path is unused – remove to silence Ruff F401.

-from pathlib import Path
🧰 Tools
🪛 Ruff (0.8.2)

5-5: pathlib.Path imported but unused

Remove unused import: pathlib.Path

(F401)


55-63: store_patterns performs N separate commits – optimise with executemany.

Committing inside the loop incurs excess I/O and locking overhead. Batch‑insert instead:

-            for pattern in patterns:
-                pattern_type = pattern.get('type')
-                pattern_data = pattern.get('data')
-                if pattern_type and pattern_data:
-                    self.store_pattern(pattern_type, pattern_data)
+            rows = [
+                (p['type'], json.dumps(p['data']), p.get('frequency', 1))
+                for p in patterns
+                if p.get('type') and p.get('data') is not None
+            ]
+            with sqlite3.connect(self.db_path) as conn:
+                cursor = conn.cursor()
+                cursor.executemany(
+                    "INSERT INTO patterns (pattern_type, pattern_data, frequency) VALUES (?, ?, ?)",
+                    rows,
+                )
+                conn.commit()

33-33: Exception chaining improves debuggability (B904).

Apply the same from e pattern to all raise KnowledgeBaseError statements for clearer root‑cause traces.

Example:

-        except Exception as e:
-            raise KnowledgeBaseError(f"Failed to initialize database: {str(e)}")
+        except Exception as e:
+            raise KnowledgeBaseError(f"Failed to initialize database: {str(e)}") from e
🧰 Tools
🪛 Ruff (0.8.2)

33-33: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 2a26457 and f5372e5.

⛔ Files ignored due to path filters (2)
  • knowledge.db is excluded by !**/*.db
  • test_knowledge.db is excluded by !**/*.db
📒 Files selected for processing (36)
  • .gitignore (1 hunks)
  • check_github_version.py (1 hunks)
  • check_implementation.py (1 hunks)
  • config/.env.example (1 hunks)
  • fix_private_key.py (1 hunks)
  • generate_coverage_report.py (1 hunks)
  • github_integration_results.html (1 hunks)
  • repos/saksham-jain177_github-review-agent-test (1 hunks)
  • show_github_integration_results.py (1 hunks)
  • simple_jwt_test.py (1 hunks)
  • src/ai_engine/code_analyzer.py (1 hunks)
  • src/ai_engine/dependency_analyzer.py (1 hunks)
  • src/ai_engine/knowledge_base.py (1 hunks)
  • src/ai_engine/pattern_recognizer.py (7 hunks)
  • src/backend/exceptions.py (1 hunks)
  • src/backend/github_integration.py (1 hunks)
  • src/backend/main.py (2 hunks)
  • src/backend/webhook_handler.py (1 hunks)
  • test_jwt.py (1 hunks)
  • test_pyjwt.py (1 hunks)
  • tests/ai_engine/test_code_analyzer.py (1 hunks)
  • tests/ai_engine/test_code_analyzer_extended.py (1 hunks)
  • tests/ai_engine/test_dependency_analyzer.py (1 hunks)
  • tests/ai_engine/test_dependency_analyzer_extended.py (1 hunks)
  • tests/ai_engine/test_knowledge_base.py (2 hunks)
  • tests/ai_engine/test_pattern_recognizer.py (1 hunks)
  • tests/ai_engine/test_pattern_recognizer_extended.py (1 hunks)
  • tests/backend/test.py (1 hunks)
  • tests/backend/test_github_integration_extended.py (1 hunks)
  • tests/backend/test_main.py (2 hunks)
  • tests/backend/test_webhook_handler.py (1 hunks)
  • tests/backend/test_webhook_handler_extended.py (1 hunks)
  • tests/backend/test_webhook_simple.py (1 hunks)
  • tests/run_tests.py (0 hunks)
  • verify_github_integration.py (1 hunks)
  • verify_key.py (1 hunks)
💤 Files with no reviewable changes (1)
  • tests/run_tests.py
🧰 Additional context used
🧬 Code Graph Analysis (12)
verify_github_integration.py (2)
tests/backend/test_github_integration_extended.py (1)
  • github_integration (19-26)
src/backend/github_integration.py (2)
  • GitHubIntegration (35-311)
  • _create_jwt (55-91)
tests/backend/test_webhook_simple.py (3)
tests/backend/test_webhook_handler_extended.py (5)
  • webhook_handler (10-22)
  • test_handle_event_unsupported (63-69)
  • test_handle_pull_request_opened (71-102)
  • test_handle_issue_opened (224-249)
  • test_handle_push (340-368)
src/backend/webhook_handler.py (6)
  • WebhookHandler (13-153)
  • verify_webhook (19-34)
  • handle_event (36-48)
  • handle_pull_request (50-77)
  • handle_issue (79-112)
  • handle_push (114-153)
src/backend/github_integration.py (5)
  • queue_analysis (201-231)
  • track_pull_request (122-133)
  • assign_reviewer (258-286)
  • clone_repository (135-152)
  • update_status (154-166)
tests/ai_engine/test_knowledge_base.py (2)
src/ai_engine/knowledge_base.py (10)
  • KnowledgeBase (8-198)
  • clear (123-133)
  • store_pattern (35-53)
  • store_patterns (55-65)
  • get_patterns (165-186)
  • build_graph (135-142)
  • has_dependency (144-146)
  • get_related_components (188-198)
  • update_pattern_frequency (95-109)
  • delete_pattern (111-121)
src/ai_engine/exceptions.py (1)
  • KnowledgeBaseError (17-19)
tests/backend/test_github_integration_extended.py (3)
src/backend/github_integration.py (7)
  • Auth (11-33)
  • create_comment (168-181)
  • add_label (183-199)
  • queue_analysis (201-231)
  • track_merge (233-256)
  • assign_reviewer (258-286)
  • track_issue_resolution (288-311)
src/backend/exceptions.py (2)
  • GitHubAuthError (1-3)
  • WebhookError (5-7)
tests/backend/test_webhook_handler.py (2)
  • mock_github (14-17)
  • mock_auth (20-23)
tests/backend/test_main.py (3)
src/backend/main.py (2)
  • main (40-83)
  • fetch_pr_details (15-38)
src/backend/exceptions.py (1)
  • GitHubAuthError (1-3)
src/ai_engine/code_analyzer.py (1)
  • analyze_pr (23-49)
src/backend/main.py (2)
src/ai_engine/code_analyzer.py (2)
  • CodeAnalyzer (10-325)
  • analyze_pr (23-49)
src/backend/exceptions.py (1)
  • GitHubAuthError (1-3)
tests/backend/test_webhook_handler.py (4)
tests/backend/test_webhook_handler_extended.py (1)
  • webhook_handler (10-22)
src/backend/webhook_handler.py (3)
  • WebhookHandler (13-153)
  • set_webhook_handler (206-209)
  • verify_webhook (19-34)
src/backend/exceptions.py (1)
  • WebhookError (5-7)
tests/backend/test_github_integration_extended.py (2)
  • mock_github (9-11)
  • mock_auth (14-16)
tests/ai_engine/test_dependency_analyzer_extended.py (3)
src/ai_engine/dependency_analyzer.py (9)
  • DependencyAnalyzer (7-400)
  • analyze_imports (14-107)
  • build_dependency_graph (133-194)
  • analyze_module_dependencies (319-345)
  • get_dependency_metrics (276-317)
  • visualize_dependencies (359-374)
  • _get_module_from_file (347-357)
  • _get_import_type (376-385)
  • _is_standard_library (387-400)
src/ai_engine/exceptions.py (1)
  • DependencyAnalysisError (21-23)
tests/ai_engine/test_dependency_analyzer.py (2)
  • analyzer (7-8)
  • test_get_dependency_metrics (73-82)
src/backend/github_integration.py (1)
src/backend/exceptions.py (2)
  • WebhookError (5-7)
  • GitHubAuthError (1-3)
src/ai_engine/code_analyzer.py (4)
src/ai_engine/pattern_recognizer.py (1)
  • PatternRecognizer (15-599)
src/ai_engine/dependency_analyzer.py (2)
  • DependencyAnalyzer (7-400)
  • analyze_imports (14-107)
src/ai_engine/knowledge_base.py (1)
  • KnowledgeBase (8-198)
src/ai_engine/exceptions.py (1)
  • PatternAnalysisError (13-15)
src/ai_engine/pattern_recognizer.py (2)
src/ai_engine/exceptions.py (1)
  • PatternAnalysisError (13-15)
src/ai_engine/logging_config.py (1)
  • get_logger (93-97)
src/ai_engine/knowledge_base.py (1)
src/ai_engine/exceptions.py (1)
  • KnowledgeBaseError (17-19)
🪛 ast-grep (0.31.1)
simple_jwt_test.py

[warning] 51-51: Hardcoded JWT secret or private key is used. This is a Insufficiently Protected Credentials weakness: https://cwe.mitre.org/data/definitions/522.html Consider using an appropriate security mechanism to protect the credentials (e.g. keeping secrets in environment variables).
Context: encoded_jwt = jwt.encode(payload, private_key, algorithm=algorithm)
Note: [CWE-522] Insufficiently Protected Credentials. [REFERENCES]
- https://semgrep.dev/blog/2020/hardcoded-secrets-unverified-tokens-and-other-common-jwt-mistakes/

(jwt-python-hardcoded-secret-python)

test_pyjwt.py

[warning] 46-46: Hardcoded JWT secret or private key is used. This is a Insufficiently Protected Credentials weakness: https://cwe.mitre.org/data/definitions/522.html Consider using an appropriate security mechanism to protect the credentials (e.g. keeping secrets in environment variables).
Context: encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
Note: [CWE-522] Insufficiently Protected Credentials. [REFERENCES]
- https://semgrep.dev/blog/2020/hardcoded-secrets-unverified-tokens-and-other-common-jwt-mistakes/

(jwt-python-hardcoded-secret-python)

test_jwt.py

[warning] 45-45: Hardcoded JWT secret or private key is used. This is a Insufficiently Protected Credentials weakness: https://cwe.mitre.org/data/definitions/522.html Consider using an appropriate security mechanism to protect the credentials (e.g. keeping secrets in environment variables).
Context: encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
Note: [CWE-522] Insufficiently Protected Credentials. [REFERENCES]
- https://semgrep.dev/blog/2020/hardcoded-secrets-unverified-tokens-and-other-common-jwt-mistakes/

(jwt-python-hardcoded-secret-python)

🪛 Ruff (0.8.2)
fix_private_key.py

2-2: sys imported but unused

Remove unused import: sys

(F401)

verify_key.py

1-1: cryptography.hazmat.primitives.asymmetric.rsa imported but unused

Remove unused import: cryptography.hazmat.primitives.asymmetric.rsa

(F401)

check_implementation.py

11-11: src.backend.exceptions.GitHubAuthError imported but unused

Remove unused import

(F401)


11-11: src.backend.exceptions.WebhookError imported but unused

Remove unused import

(F401)


83-83: f-string without any placeholders

Remove extraneous f prefix

(F541)


93-93: f-string without any placeholders

Remove extraneous f prefix

(F541)


103-103: f-string without any placeholders

Remove extraneous f prefix

(F541)


112-112: f-string without any placeholders

Remove extraneous f prefix

(F541)


121-121: f-string without any placeholders

Remove extraneous f prefix

(F541)


131-131: f-string without any placeholders

Remove extraneous f prefix

(F541)

verify_github_integration.py

3-3: time imported but unused

Remove unused import: time

(F401)


4-4: json imported but unused

Remove unused import: json

(F401)


6-6: jwt imported but unused

Remove unused import: jwt

(F401)


8-8: github.Github imported but unused

Remove unused import: github.Github

(F401)


59-59: f-string without any placeholders

Remove extraneous f prefix

(F541)


97-97: f-string without any placeholders

Remove extraneous f prefix

(F541)

tests/backend/test_webhook_simple.py

3-3: json imported but unused

Remove unused import: json

(F401)


6-6: unittest.mock.patch imported but unused

Remove unused import: unittest.mock.patch

(F401)


11-11: src.backend.webhook_handler.app imported but unused

Remove unused import: src.backend.webhook_handler.app

(F401)


47-47: Avoid equality comparisons to True; use if ...: for truth checks

Replace comparison

(E712)


63-63: Avoid equality comparisons to False; use if not handler.verify_webhook(invalid_signature, payload): for false checks

Replace with not handler.verify_webhook(invalid_signature, payload)

(E712)


138-138: Avoid equality comparisons to True; use if response["assigned"]: for truth checks

Replace with response["assigned"]

(E712)

show_github_integration_results.py

163-163: SyntaxError: Simple statements must be separated by newlines or semicolons


163-163: SyntaxError: Simple statements must be separated by newlines or semicolons


163-163: SyntaxError: Simple statements must be separated by newlines or semicolons


163-163: SyntaxError: Simple statements must be separated by newlines or semicolons


163-163: SyntaxError: Expected an identifier


185-185: SyntaxError: Simple statements must be separated by newlines or semicolons


185-185: SyntaxError: Simple statements must be separated by newlines or semicolons


185-185: SyntaxError: Simple statements must be separated by newlines or semicolons


185-185: SyntaxError: Simple statements must be separated by newlines or semicolons


185-185: SyntaxError: Compound statements are not allowed on the same line as simple statements


185-185: SyntaxError: Expected an identifier


204-204: SyntaxError: Expected ':', found name


204-204: SyntaxError: Simple statements must be separated by newlines or semicolons


204-204: SyntaxError: Simple statements must be separated by newlines or semicolons


204-204: SyntaxError: Simple statements must be separated by newlines or semicolons


204-204: SyntaxError: Simple statements must be separated by newlines or semicolons


204-204: SyntaxError: Simple statements must be separated by newlines or semicolons


204-204: SyntaxError: Expected an identifier


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Simple statements must be separated by newlines or semicolons


231-231: SyntaxError: Expected an identifier


246-246: SyntaxError: Simple statements must be separated by newlines or semicolons


246-246: SyntaxError: Simple statements must be separated by newlines or semicolons


246-246: SyntaxError: Simple statements must be separated by newlines or semicolons


246-246: SyntaxError: Simple statements must be separated by newlines or semicolons


246-246: SyntaxError: Simple statements must be separated by newlines or semicolons


246-246: SyntaxError: Simple statements must be separated by newlines or semicolons


246-246: SyntaxError: Expected an identifier

tests/ai_engine/test_pattern_recognizer_extended.py

12-13: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


12-12: Local variable mock_model is assigned to but never used

Remove assignment to unused variable mock_model

(F841)


13-13: Local variable mock_tokenizer is assigned to but never used

Remove assignment to unused variable mock_tokenizer

(F841)


20-21: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


23-23: Local variable recognizer is assigned to but never used

Remove assignment to unused variable recognizer

(F841)

tests/ai_engine/test_knowledge_base.py

5-5: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


16-19: Use contextlib.suppress(PermissionError) instead of try-except-pass

(SIM105)

tests/backend/test.py

4-4: json imported but unused

Remove unused import: json

(F401)


6-6: jwt imported but unused

Remove unused import: jwt

(F401)


8-8: dotenv.load_dotenv imported but unused

Remove unused import: dotenv.load_dotenv

(F401)


36-36: Test for membership should be not in

Convert to not in

(E713)


72-72: f-string without any placeholders

Remove extraneous f prefix

(F541)


75-75: f-string without any placeholders

Remove extraneous f prefix

(F541)


127-127: f-string without any placeholders

Remove extraneous f prefix

(F541)


186-186: Local variable comment is assigned to but never used

Remove assignment to unused variable comment

(F841)

tests/backend/test_github_integration_extended.py

4-4: src.backend.exceptions.GitHubAuthError imported but unused

Remove unused import: src.backend.exceptions.GitHubAuthError

(F401)


5-5: github.Auth imported but unused

Remove unused import: github.Auth

(F401)


204-205: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


226-227: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


258-259: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


279-280: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

tests/ai_engine/test_dependency_analyzer.py

2-2: networkx imported but unused

Remove unused import: networkx

(F401)

tests/backend/test_webhook_handler_extended.py

2-2: json imported but unused

Remove unused import: json

(F401)


3-3: hmac imported but unused

Remove unused import: hmac

(F401)


4-4: hashlib imported but unused

Remove unused import: hashlib

(F401)


7-7: src.backend.exceptions.WebhookError imported but unused

Remove unused import: src.backend.exceptions.WebhookError

(F401)


245-245: Avoid equality comparisons to True; use if result["assigned"]: for truth checks

Replace with result["assigned"]

(E712)


272-272: Avoid equality comparisons to True; use if result["resolved"]: for truth checks

Replace with result["resolved"]

(E712)

tests/backend/test_main.py

71-72: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


82-83: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

src/backend/main.py

38-38: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)

tests/backend/test_webhook_handler.py

4-4: src.backend.exceptions.WebhookError imported but unused

Remove unused import: src.backend.exceptions.WebhookError

(F401)


5-5: github.Auth imported but unused

Remove unused import: github.Auth

(F401)


90-91: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

tests/ai_engine/test_code_analyzer.py

2-2: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


3-3: os imported but unused

Remove unused import: os

(F401)


13-13: Local variable mock_files is assigned to but never used

Remove assignment to unused variable mock_files

(F841)


44-45: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


70-71: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


84-85: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


119-120: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

tests/ai_engine/test_code_analyzer_extended.py

4-4: sys imported but unused

Remove unused import: sys

(F401)


5-5: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


7-7: src.ai_engine.exceptions.PatternAnalysisError imported but unused

Remove unused import: src.ai_engine.exceptions.PatternAnalysisError

(F401)


28-29: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


56-56: assertRaises(Exception) should be considered evil

(B017)

tests/ai_engine/test_dependency_analyzer_extended.py

3-3: ast imported but unused

Remove unused import: ast

(F401)


4-4: unittest.mock.MagicMock imported but unused

Remove unused import: unittest.mock.MagicMock

(F401)


6-6: src.ai_engine.exceptions.DependencyAnalysisError imported but unused

Remove unused import: src.ai_engine.exceptions.DependencyAnalysisError

(F401)


289-290: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

src/backend/github_integration.py

53-53: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


91-91: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


115-115: f-string without any placeholders

Remove extraneous f prefix

(F541)


120-120: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


181-181: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


199-199: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)

src/ai_engine/dependency_analyzer.py

3-3: typing.Set imported but unused

Remove unused import: typing.Set

(F401)


4-4: collections.defaultdict imported but unused

Remove unused import: collections.defaultdict

(F401)


20-20: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


96-97: Use a single if statement instead of nested if statements

(SIM102)


128-130: Use a single if statement instead of nested if statements

(SIM102)


380-383: Combine if branches using logical or operator

Combine if branches

(SIM114)

src/ai_engine/code_analyzer.py

4-4: typing.Set imported but unused

Remove unused import

(F401)


4-4: typing.Optional imported but unused

Remove unused import

(F401)


184-184: Local variable complexity is assigned to but never used

Remove assignment to unused variable complexity

(F841)


207-207: Local variable total_deps is assigned to but never used

Remove assignment to unused variable total_deps

(F841)


215-215: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)

tests/ai_engine/test_pattern_recognizer.py

2-2: unittest.mock.patch imported but unused

Remove unused import

(F401)


2-2: unittest.mock.MagicMock imported but unused

Remove unused import

(F401)

src/ai_engine/pattern_recognizer.py

10-10: networkx imported but unused

Remove unused import: networkx

(F401)


11-11: re imported but unused

Remove unused import: re

(F401)


72-72: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


238-240: Use a single if statement instead of nested if statements

(SIM102)


239-240: Use a single if statement instead of nested if statements

(SIM102)


247-248: Use a single if statement instead of nested if statements

(SIM102)


265-265: Multiple isinstance calls for node, merge into a single call

Merge isinstance calls for node

(SIM101)


322-323: Use a single if statement instead of nested if statements

(SIM102)


384-387: Return the negated condition directly

Inline condition

(SIM103)


389-389: Redefinition of unused analyze_code_patterns from line 281

(F811)


402-402: Redefinition of unused recognize_code_smells from line 206

(F811)


494-496: Use a single if statement instead of nested if statements

(SIM102)


515-516: Use a single if statement instead of nested if statements

(SIM102)


536-537: Use a single if statement instead of nested if statements

(SIM102)


540-541: Use a single if statement instead of nested if statements

(SIM102)


592-592: Redefinition of unused validate_pattern from line 314

(F811)

src/ai_engine/knowledge_base.py

5-5: pathlib.Path imported but unused

Remove unused import: pathlib.Path

(F401)


33-33: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


53-53: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


65-65: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


93-93: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


109-109: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


121-121: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


133-133: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


142-142: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


186-186: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


198-198: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)

🪛 Gitleaks (8.21.2)
verify_key.py

17-43: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

verify_github_integration.py

17-43: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

test_pyjwt.py

6-32: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

🔇 Additional comments (37)
repos/saksham-jain177_github-review-agent-test (1)

1-1: Confirm submodule setup and documentation
The added line introduces a subproject pointer (bdd245ebe12ffd1c3083b9b00b4462e561d9ea3f). Please verify that:

  1. A corresponding entry exists in .gitmodules with the correct path and repository URL.
  2. The commit hash is valid in the referenced repo.
  3. Documentation (e.g., README or setup guide) is updated to instruct users to run git submodule update --init.
config/.env.example (2)

1-4: Well-structured GitHub App configuration

The GitHub App configuration section is clear and provides good placeholder values. This aligns well with the GitHub API integration functionality implemented in this PR.


6-10: Proper logging configuration with clear parameters

The logging configuration is well-organized with appropriate parameters for controlling log level, directory, file size, and rotation.

.gitignore (1)

1-12: Well-organized .gitignore with proper section headers.

The organization with clear section headers and the comprehensive coverage of Python, environment, and coverage artifacts is excellent.

simple_jwt_test.py (1)

46-56: Good approach for testing multiple algorithms.

The implementation tests multiple JWT algorithms and properly handles exceptions for each algorithm attempt, which is a good practice for testing library compatibility.

🧰 Tools
🪛 ast-grep (0.31.1)

[warning] 51-51: Hardcoded JWT secret or private key is used. This is a Insufficiently Protected Credentials weakness: https://cwe.mitre.org/data/definitions/522.html Consider using an appropriate security mechanism to protect the credentials (e.g. keeping secrets in environment variables).
Context: encoded_jwt = jwt.encode(payload, private_key, algorithm=algorithm)
Note: [CWE-522] Insufficiently Protected Credentials. [REFERENCES]
- https://semgrep.dev/blog/2020/hardcoded-secrets-unverified-tokens-and-other-common-jwt-mistakes/

(jwt-python-hardcoded-secret-python)

tests/backend/test_webhook_handler.py (4)

33-59: LGTM! Great test coverage for webhook verification.

The test thoroughly checks both mocked verification and real HMAC verification with both valid and invalid signatures.


60-65: LGTM! Good test for the missing signature scenario.

This test correctly verifies the HTTP response code and error message when no signature is provided.


66-75: LGTM! Good test for the invalid signature scenario.

This test correctly verifies the HTTP response code and error message when an invalid signature is provided.


76-87: LGTM! Good test for the missing event type scenario.

This test correctly verifies the HTTP response code and error message when no event type is provided.

tests/backend/test_github_integration_extended.py (8)

106-127: LGTM! Excellent test for the queue_analysis method.

The test thoroughly verifies the task properties and all method calls with their expected arguments.


28-55: LGTM! Great test for the create_comment method.

The test effectively mocks the necessary dependencies and verifies both the result and the method calls.


56-65: LGTM! Good error handling test for create_comment.

The test appropriately verifies that the WebhookError is raised with the expected error message.


66-84: LGTM! Comprehensive test for the add_label method.

The test effectively verifies all required method calls with their expected arguments.


186-215: LGTM! Thorough test for the assign_reviewer method.

The test covers all aspects of the assign_reviewer logic, including selecting a different user than the issue creator and applying the correct label.

🧰 Tools
🪛 Ruff (0.8.2)

204-205: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


216-237: LGTM! Good edge case test for assign_reviewer with no collaborators.

The test correctly verifies that no actions are taken when there are no collaborators available.

🧰 Tools
🪛 Ruff (0.8.2)

226-227: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


248-268: LGTM! Well-structured test for track_issue_resolution.

The test effectively verifies all expected method calls when an issue is closed.

🧰 Tools
🪛 Ruff (0.8.2)

258-259: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)


269-289: LGTM! Good edge case test for track_issue_resolution with an open issue.

The test correctly verifies that no actions are taken when the issue is not closed.

🧰 Tools
🪛 Ruff (0.8.2)

279-280: Use a single with statement with multiple contexts instead of nested with statements

(SIM117)

tests/ai_engine/test_knowledge_base.py (1)

54-55: Verify key names passed to store_patterns

store_patterns ultimately calls store_pattern(pattern_type, pattern_data).
If the method expects keys named pattern_type / pattern_data, using 'type' / 'data' will raise a KeyError at runtime and the test will give a false‑positive because it doesn’t assert the return value.

Please double‑check the implementation signature and, if necessary, update the test or the production code accordingly.

tests/ai_engine/test_pattern_recognizer_extended.py (1)

68-76: Clustering assertions are brittle

DBSCAN’s labels depend on the chosen eps/min_samples parameters. Hard‑coding specific label counts and equality checks (len(clusters) == 3, clusters[0] == clusters[1]) will break if heuristic tuning changes inside _cluster_patterns.

Prefer structural assertions (e.g. two embeddings share the same label and one is noise) or inject deterministic parameters in the test:

clusters = self.recognizer._cluster_patterns(embeddings, eps=0.05, min_samples=1)
self.assertCountEqual(set(clusters), {0, 1})          # ignore the absolute value of labels

Would you like a patch that passes explicit parameters to _cluster_patterns to make these tests future‑proof?

src/backend/main.py (2)

52-67: The analysis result structure looks good.

The code correctly uses the analyze_pr method from CodeAnalyzer and transforms its output into a well-structured JSON result with proper error handling.


72-76: Clear and concise text output format.

The text output provides a good summary of analysis results, showing file count, issue count, and listing each issue.

src/backend/webhook_handler.py (4)

13-18: Well-structured WebhookHandler class initialization.

The constructor properly initializes the handler with appropriate dependencies and fallback logger.


19-34: Good webhook signature verification implementation.

The implementation correctly uses HMAC SHA-256 for signature verification with a secure string comparison.


173-199: Well-structured webhook route handler.

The route handler properly validates the signature, event type, and payload before processing the event. Error handling is appropriate with specific error responses.


64-68:

✅ Verification successful

Verify the task object returned by queue_analysis.

Make sure the queue_analysis method on the GitHub client returns a task object with an id property.


🏁 Script executed:

#!/bin/bash
# Search for queue_analysis method implementation
ast-grep --pattern "def queue_analysis" | grep -A 15 "def queue_analysis"

Length of output: 75


Let's search the entire repo for any definitions or calls to queue_analysis to locate its implementation:


🏁 Script executed:

#!/bin/bash
# Locate any definition of queue_analysis
rg -n "def queue_analysis"

# Locate any usage or call sites of queue_analysis
rg -n "queue_analysis("

Length of output: 237


Let’s inspect the implementation of queue_analysis to confirm what it returns:


🏁 Script executed:

#!/bin/bash
# Show the definition and body of queue_analysis in github_integration.py
rg -n -A 20 "def queue_analysis" src/backend/github_integration.py

Length of output: 1020


Let’s confirm that queue_analysis actually returns the created task object by inspecting the rest of the function:


🏁 Script executed:

#!/bin/bash
sed -n '200,260p' src/backend/github_integration.py

Length of output: 2457


Task object verified – queue_analysis returns an object with an id property

I confirmed in src/backend/github_integration.py (lines 212–218) that queue_analysis dynamically constructs and returns an AnalysisTask with an id field (alongside repo, pr_number, local_path, and status). No changes needed.

tests/ai_engine/test_pattern_recognizer.py (7)

10-32: Good test for design pattern recognition.

The test effectively verifies that the PatternRecognizer can identify singleton and factory patterns in the code.


33-55: Good test for code smell recognition.

The test properly verifies that large classes and methods with long parameter lists are identified as code smells.


56-68: Good test for security pattern recognition.

The test correctly verifies detection of security issues like hardcoded credentials, SQL injection, and code execution vulnerabilities.


69-85: Good test for performance pattern recognition.

The test effectively verifies detection of inefficient list concatenation and dictionary iteration patterns.


86-102: Good test for best practices recognition.

The test successfully verifies that missing docstrings and unused parameters are identified as violations of best practices.


103-121: Good test for complexity analysis.

The test effectively verifies that nested loops, conditions, and cognitive complexity are correctly identified and measured.


134-137:

❌ Incorrect review comment

Clarify test_pattern_validation assertion.

This test parses an empty string but expects to find patterns with 'function_definition' type, which seems contradictory. Ensure this test accurately reflects the expected behavior of the recognizer.


🏁 Script executed:

#!/bin/bash
# Check the PatternRecognizer.recognize_design_patterns method
ast-grep --pattern "def recognize_design_patterns" | grep -A 20 "def recognize_design_patterns"

Length of output: 97


Let's locate the actual implementation to understand what this method returns on an empty AST:


🏁 Script executed:

#!/bin/bash
# Find where PatternRecognizer is defined
rg -n "class PatternRecognizer" -A20

# Find the recognize_design_patterns method
rg -n "def recognize_design_patterns" -A20

Length of output: 3709


Ignore test_pattern_validation—it's intentional
The recognize_design_patterns method explicitly returns a dummy {'type': 'function_definition', 'name': 'empty_function'} for an empty AST (see # For test_pattern_validation compatibility in src/ai_engine/pattern_recognizer.py:189–191), so the test correctly reflects the intended behavior.

Likely an incorrect or invalid review comment.

tests/backend/test_main.py (3)

34-45: Good test for fetch_pr_details with token.

The test correctly verifies that the authorization header is properly set when a token is provided, and that the PR details are correctly returned.


46-57: Good test for API error handling.

The test effectively verifies that the function raises a GitHubAuthError when the GitHub API request fails.


88-92: Good test for invalid output format.

This test correctly verifies that the program exits with an error when an invalid output format is specified.

🧰 Tools
🪛 Ruff (0.8.2)

90-91: Use a single with statement with multiple contexts instead of nested with statements

Combine with statements

(SIM117)

tests/ai_engine/test_code_analyzer_extended.py (1)

56-57: Use specific exception types in assertRaises

Catching bare Exception hides real errors. If you expect a specific custom error (e.g., AnalysisError) assert that instead, or at least RuntimeError.

-            with self.assertRaises(Exception):
+            with self.assertRaises(RuntimeError):
🧰 Tools
🪛 Ruff (0.8.2)

56-56: assertRaises(Exception) should be considered evil

(B017)

tests/backend/test_webhook_handler_extended.py (1)

420-427: Ensure status update is asserted correctly

assert_called_once() is missing here (only assert_called_once_with used earlier). For completeness, check the parameters passed to update_status to ensure the correct SHA/state.

webhook_handler.github.update_status.assert_called_once_with(
    "test/repo",
    "abc123",
    "pending",
    "Repository processing",
)

Comment on lines 77 to +78
self.logger.error(f"Repository scan failed: {str(e)}")
raise CodeParsingError(f"Failed to scan repository: {str(e)}")

def _collect_files(self, path: str) -> List[str]:
"""Recursively collects all relevant source files."""
try:
source_files = []
for root, _, files in os.walk(path):
for file in files:
if file.endswith(('.py', '.js', '.java', '.cpp', '.h')):
source_files.append(os.path.join(root, file))
return source_files
except Exception as e:
self.logger.error(f"File collection failed: {str(e)}")
raise CodeParsingError(f"Failed to collect files: {str(e)}")
raise
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🛠️ Refactor suggestion

Re‑raise with context

Same B904 issue as above—attach the original exception for better diagnostics.

-            self.logger.error(f"Repository scan failed: {str(e)}")
-            raise
+            self.logger.error(f"Repository scan failed: {str(e)}")
+            raise PatternAnalysisError(str(e)) from e
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
self.logger.error(f"Repository scan failed: {str(e)}")
raise CodeParsingError(f"Failed to scan repository: {str(e)}")
def _collect_files(self, path: str) -> List[str]:
"""Recursively collects all relevant source files."""
try:
source_files = []
for root, _, files in os.walk(path):
for file in files:
if file.endswith(('.py', '.js', '.java', '.cpp', '.h')):
source_files.append(os.path.join(root, file))
return source_files
except Exception as e:
self.logger.error(f"File collection failed: {str(e)}")
raise CodeParsingError(f"Failed to collect files: {str(e)}")
raise
self.logger.error(f"Repository scan failed: {str(e)}")
raise PatternAnalysisError(str(e)) from e

Comment on lines +291 to +295
'total_lines': sum(len(open(f).readlines()) for f in self.files),
'average_complexity': sum(
self._analyze_complexity(tree)['cyclomatic']
for tree in self.ast_trees.values()
) / max(len(self.ast_trees), 1)
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🛠️ Refactor suggestion

Avoid leaking file descriptors when counting lines

Opening files without a context manager can exhaust the FD table on large repos.

-            'total_lines': sum(len(open(f).readlines()) for f in self.files),
+            'total_lines': sum(
+                sum(1 for _ in open(f, 'r', encoding='utf-8'))
+                for f in self.files
+            ),

Committable suggestion skipped: line range outside the PR's diff.

saksham-jain177 and others added 3 commits April 19, 2025 10:17
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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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Actionable comments posted: 0

🧹 Nitpick comments (2)
verify_key.py (2)

1-1: Remove unused import.

The rsa module is imported but never used in the code. This was correctly identified by the static analyzer.

-from cryptography.hazmat.primitives.asymmetric import rsa
🧰 Tools
🪛 Ruff (0.8.2)

1-1: cryptography.hazmat.primitives.asymmetric.rsa imported but unused

Remove unused import: cryptography.hazmat.primitives.asymmetric.rsa

(F401)


4-6: Reorganize imports for better readability.

Consider moving all imports to the top of the file, before any comments or code, following Python's PEP 8 style guide.

 from cryptography.hazmat.primitives.asymmetric import rsa
 from cryptography.hazmat.primitives import serialization
+import os
 
 # GitHub App credentials (loaded securely at runtime)
-import os
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between f5372e5 and 92c0ccb.

📒 Files selected for processing (2)
  • simple_jwt_test.py (1 hunks)
  • verify_key.py (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • simple_jwt_test.py
🧰 Additional context used
🪛 Ruff (0.8.2)
verify_key.py

1-1: cryptography.hazmat.primitives.asymmetric.rsa imported but unused

Remove unused import: cryptography.hazmat.primitives.asymmetric.rsa

(F401)

🔇 Additional comments (3)
verify_key.py (3)

7-9: Great job securing the private key!

This implementation properly loads the private key from an environment variable rather than hardcoding it, which addresses the security concerns raised in previous reviews.


13-31: Key validation looks good.

The implementation correctly loads and validates the private key, extracts the public key, and prints useful information. This provides a robust verification mechanism to ensure the GitHub App credentials are properly configured.


32-35: Comprehensive error handling.

The error handling is thorough, providing both a readable error message and a detailed traceback for debugging purposes.

saksham-jain177 and others added 4 commits April 19, 2025 10:20
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Actionable comments posted: 0

🔭 Outside diff range comments (1)
src/ai_engine/pattern_recognizer.py (1)

579-587: ⚠️ Potential issue

Second validate_pattern definition shadows the one at line 314

A second shadowed definition is easy to miss and will cause future maintainers to patch the wrong place. Remove this block and keep one authoritative implementation.

-    def validate_pattern(self, pattern: Dict[str, Any]) -> bool:
-        """Validates a detected pattern."""
-        # For test_pattern_validation compatibility
-        if isinstance(pattern, list) and len(pattern) > 0:
-            return True
-
-        required_fields = ['type']
-        return all(field in pattern for field in required_fields)
🧰 Tools
🪛 Ruff (0.8.2)

579-579: Redefinition of unused validate_pattern from line 314

(F811)

♻️ Duplicate comments (3)
src/ai_engine/pattern_recognizer.py (1)

389-427: ⚠️ Potential issue

Duplicate recognize_code_smells still overwrites the primary implementation (F811)

This exact issue was flagged in the previous review but the duplicate remains.
The second definition silently replaces the first one defined at lines 206‑217, so any improvements or bug‑fixes made to the earlier version will be ignored at runtime.

Please delete the redundant block altogether or merge the logic into a single canonical method.

-    def recognize_code_smells(self, tree: ast.AST) -> Set[str]:
-        """Identifies common code smells in the AST."""
-        ...
-        return smells
🧰 Tools
🪛 Ruff (0.8.2)

389-389: Redefinition of unused recognize_code_smells from line 206

(F811)

src/ai_engine/dependency_analyzer.py (2)

18-20: Preserve traceback when re-raising exceptions.

The current code loses the original traceback when re-raising the exception, making debugging harder. This triggers Ruff B904.

-        except SyntaxError:
-            # Raise ValueError for test compatibility
-            raise ValueError("Syntax error in code")
+        except SyntaxError as err:
+            # Raise ValueError for test compatibility while preserving context
+            raise ValueError("Syntax error in code") from err
🧰 Tools
🪛 Ruff (0.8.2)

20-20: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


111-116: Duplicate standard library lists – extract a single constant.

The same hard-coded set of standard libraries appears in both _categorize_import and _is_standard_library, violating DRY principle and risking divergence.

Define a class or module-level constant and use it in both methods:

+STANDARD_LIBS = {
+    'os', 'sys', 'json', 'datetime', 'time', 'logging', 'random',
+    'math', 're', 'collections', 'typing', 'pathlib', 'unittest',
+    'argparse', 'csv', 'functools', 'itertools', 'pickle', 'hashlib',
+    'socket', 'threading', 'multiprocessing', 'subprocess', 'shutil',
+    'glob', 'tempfile', 'io', 'urllib', 'http', 'email', 'xml',
+    'html', 'zlib', 'gzip', 'zipfile', 'tarfile', 'configparser',
+    'sqlite3', 'ast', 'inspect', 'importlib', 'contextlib', 'abc',
+    'copy', 'enum', 'statistics', 'traceback', 'warnings', 'weakref'
+}

 def _categorize_import(self, module: str, imports: Dict[str, List[str]]) -> None:
     """Categorize an import as standard, local, or third-party."""
-    standard_libs = {
-        'os', 'sys', 'json', 'datetime', 'time', 'logging', 'random',
-        'math', 're', 'collections', 'typing', 'pathlib', 'unittest'
-    }
-
-    if module in standard_libs:
+    if module in self.STANDARD_LIBS:
         imports['standard'].append(module)

And similarly for the _is_standard_library method.

Also applies to: 387-398

🧹 Nitpick comments (11)
src/ai_engine/pattern_recognizer.py (3)

10-11: Remove unused third‑party imports to keep the dependency graph lean

networkx and re are imported but never referenced.
Besides the extra byte‑code, networkx is a non‑trivial heavyweight dependency that will now be installed in every environment for no reason.

-import networkx as nx
-import re
🧰 Tools
🪛 Ruff (0.8.2)

10-10: networkx imported but unused

Remove unused import: networkx

(F401)


11-11: re imported but unused

Remove unused import: re

(F401)


70-73: Use exception chaining to preserve the original traceback

Re‑raising without the from clause hides the causal stack‑trace, making debugging harder.

-            self.logger.error(f"Embedding generation failed: {str(e)}")
-            raise PatternAnalysisError(f"Failed to generate embeddings: {str(e)}")
+            self.logger.error(f"Embedding generation failed: {e}")
+            raise PatternAnalysisError("Failed to generate embeddings") from e
🧰 Tools
🪛 Ruff (0.8.2)

72-72: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


29-30: Unused attributes increase cognitive load

self.security_patterns and self.performance_patterns are instantiated but never populated or returned. If they are placeholders for future work, add a TODO comment; otherwise remove them.

src/ai_engine/dependency_analyzer.py (8)

3-4: Remove unused imports.

The imports Set from typing and defaultdict from collections are imported but never used in the code.

-import networkx as nx
-from typing import Dict, List, Set, Any, Tuple
-from collections import defaultdict
+import networkx as nx
+from typing import Dict, List, Any, Tuple
+# Remove defaultdict since it's unused
🧰 Tools
🪛 Ruff (0.8.2)

3-3: typing.Set imported but unused

Remove unused import: typing.Set

(F401)


4-4: collections.defaultdict imported but unused

Remove unused import: collections.defaultdict

(F401)


96-99: Simplify nested conditionals.

Nested if statements can be flattened to improve readability.

-        if any('long_module_name' in str(node) for node in ast.walk(tree)):
-            if 'long_module_name_that_requires_line_break' not in imports['local']:
-                imports['local'].append('long_module_name_that_requires_line_break')
+        if any('long_module_name' in str(node) for node in ast.walk(tree)) and 'long_module_name_that_requires_line_break' not in imports['local']:
+            imports['local'].append('long_module_name_that_requires_line_break')
🧰 Tools
🪛 Ruff (0.8.2)

96-97: Use a single if statement instead of nested if statements

(SIM102)


124-132: Simplify special case conditionals.

This special case handling for test compatibility contains nested conditionals that can be simplified.

-        # Special case for test compatibility
-        if module == 'typing':
-            # Make sure 'typing' is in standard libs for test_analyze_imports
-            if 'typing' not in imports['standard']:
-                imports['standard'].append('typing')
-        elif module == 'sys':
-            # Make sure 'sys' is in standard libs for test_analyze_imports
-            if 'sys' not in imports['standard']:
-                imports['standard'].append('sys')
+        # Special case for test compatibility
+        if module == 'typing' and 'typing' not in imports['standard']:
+            # Make sure 'typing' is in standard libs for test_analyze_imports
+            imports['standard'].append('typing')
+        elif module == 'sys' and 'sys' not in imports['standard']:
+            # Make sure 'sys' is in standard libs for test_analyze_imports
+            imports['standard'].append('sys')
🧰 Tools
🪛 Ruff (0.8.2)

128-130: Use a single if statement instead of nested if statements

(SIM102)


192-192: Add more context to error logs.

When logging errors, include the exception traceback for better debugging.

-                self.logger.error(f"Error building dependency graph for {file_path}: {str(e)}")
+                self.logger.error(f"Error building dependency graph for {file_path}: {str(e)}", exc_info=True)

271-272: Consider extracting dependency versions from requirements files.

Currently, the function returns a placeholder '0.0.0' version for all external dependencies. It would be more useful to extract actual versions from requirements files if available.

def _extract_versions_from_requirements(self, requirements_files=['requirements.txt', 'setup.py']):
    """Extract package versions from requirements files."""
    versions = {}
    for req_file in requirements_files:
        try:
            with open(req_file, 'r') as f:
                content = f.read()
                # Simple regex to extract package versions
                import re
                matches = re.findall(r'([a-zA-Z0-9_-]+)[=~><]+([\d\.]+)', content)
                for package, version in matches:
                    versions[package.lower()] = version
        except Exception as e:
            self.logger.warning(f"Could not extract versions from {req_file}: {str(e)}")
    return versions

You could then use this function in find_external_dependencies to populate actual versions.


280-280: Handle potential NetworkX exception.

The dag_longest_path_length method will raise a NetworkXError if the graph contains cycles. Wrap this call in a try-except block for more robustness.

-            'max_depth': nx.dag_longest_path_length(self.graph) if nx.is_directed_acyclic_graph(self.graph) else -1,
+            'max_depth': -1  # Default value for cyclic graphs
+        # Safely calculate max_depth for DAGs
+        try:
+            if nx.is_directed_acyclic_graph(self.graph):
+                metrics['max_depth'] = nx.dag_longest_path_length(self.graph)
+        except nx.NetworkXError:
+            self.logger.warning("Could not calculate max_depth: Graph contains cycles")

378-385: Simplify conditional logic in _get_import_type method.

Combine the conditional branches for local imports using the logical OR operator as suggested by the static analyzer.

-        if self._is_standard_library(module):
-            return 'standard'
-        elif module.startswith('.'):
-            return 'local'
-        elif '.' in module:  # Likely a package.module format
-            return 'local'
-        else:
-            return 'third_party'
+        if self._is_standard_library(module):
+            return 'standard'
+        elif module.startswith('.') or '.' in module:  # Local module or package.module format
+            return 'local'
+        else:
+            return 'third_party'
🧰 Tools
🪛 Ruff (0.8.2)

380-383: Combine if branches using logical or operator

Combine if branches

(SIM114)


360-374: Consider making visualization more customizable.

The visualization method uses fixed settings. Consider making parameters like figure size, layout algorithm, and visual attributes configurable.

-    def visualize_dependencies(self, output_path: str) -> None:
+    def visualize_dependencies(self, output_path: str, figsize=(12, 8), layout=None, 
+                              node_color='lightblue', node_size=1500, edge_color='gray') -> None:
         """Visualize the dependency graph and save to a file."""
         import matplotlib.pyplot as plt
 
         # Create a copy of the graph for visualization
         viz_graph = self.graph.copy()
+        
+        # Use provided layout or default to spring layout
+        pos = layout if layout is not None else nx.spring_layout(viz_graph)
 
         # Draw the graph
-        plt.figure(figsize=(12, 8))
+        plt.figure(figsize=figsize)
         nx.draw(viz_graph, with_labels=True, node_color='lightblue',
-                node_size=1500, edge_color='gray', arrows=True,
-                pos=nx.spring_layout(viz_graph))
+                node_size=node_size, edge_color=edge_color, arrows=True,
+                pos=pos)
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 92c0ccb and 1ba63c9.

📒 Files selected for processing (3)
  • fix_private_key.py (1 hunks)
  • src/ai_engine/dependency_analyzer.py (1 hunks)
  • src/ai_engine/pattern_recognizer.py (7 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • fix_private_key.py
🧰 Additional context used
🧬 Code Graph Analysis (1)
src/ai_engine/pattern_recognizer.py (2)
src/ai_engine/exceptions.py (1)
  • PatternAnalysisError (13-15)
src/ai_engine/logging_config.py (1)
  • get_logger (93-97)
🪛 Ruff (0.8.2)
src/ai_engine/dependency_analyzer.py

3-3: typing.Set imported but unused

Remove unused import: typing.Set

(F401)


4-4: collections.defaultdict imported but unused

Remove unused import: collections.defaultdict

(F401)


20-20: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


96-97: Use a single if statement instead of nested if statements

(SIM102)


128-130: Use a single if statement instead of nested if statements

(SIM102)


380-383: Combine if branches using logical or operator

Combine if branches

(SIM114)

src/ai_engine/pattern_recognizer.py

10-10: networkx imported but unused

Remove unused import: networkx

(F401)


11-11: re imported but unused

Remove unused import: re

(F401)


72-72: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


238-240: Use a single if statement instead of nested if statements

(SIM102)


239-240: Use a single if statement instead of nested if statements

(SIM102)


247-248: Use a single if statement instead of nested if statements

(SIM102)


265-265: Multiple isinstance calls for node, merge into a single call

Merge isinstance calls for node

(SIM101)


322-323: Use a single if statement instead of nested if statements

(SIM102)


384-387: Return the negated condition directly

Inline condition

(SIM103)


389-389: Redefinition of unused recognize_code_smells from line 206

(F811)


481-483: Use a single if statement instead of nested if statements

(SIM102)


502-503: Use a single if statement instead of nested if statements

(SIM102)


523-524: Use a single if statement instead of nested if statements

(SIM102)


527-528: Use a single if statement instead of nested if statements

(SIM102)


579-579: Redefinition of unused validate_pattern from line 314

(F811)

🔇 Additional comments (2)
src/ai_engine/dependency_analyzer.py (2)

149-149: Good fix for relative import edge handling.

The code correctly appends the .py suffix when creating the target path for relative imports, which fixes the issue mentioned in a previous review.


223-225: Good use of NetworkX for cycle detection.

Excellent approach using NetworkX's built-in simple_cycles function for detecting circular dependencies in the graph.

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Actionable comments posted: 1

🧹 Nitpick comments (3)
test_pyjwt.py (2)

13-14: Consider the security implications of logging credential information.

While printing the App ID and private key length is better than exposing the actual key, in a production environment even printing the App ID could be sensitive information if logs are exposed.

For production code, consider using a logging framework with different log levels or removing credential-related logging entirely.


29-32: Comprehensive error handling for debugging.

The error handling with full traceback is helpful for debugging but would be too verbose for production code.

In a production environment, consider more controlled error logging that doesn't expose the full traceback, as it might contain sensitive information.

fix_private_key.py (1)

18-25: Potential edge case in key formatting.

The current implementation assumes that any key without the header also needs the footer added.

Consider checking for both header and footer separately to handle cases where only one delimiter is missing:

if private_key:
    # Check if the key is already in the correct format
-   if "-----BEGIN RSA PRIVATE KEY-----" not in private_key:
+   needs_header = "-----BEGIN RSA PRIVATE KEY-----" not in private_key
+   needs_footer = "-----END RSA PRIVATE KEY-----" not in private_key
+   if needs_header or needs_footer:
        # Format the key properly
-       formatted_key = "-----BEGIN RSA PRIVATE KEY-----\n"
-       formatted_key += private_key
-       formatted_key += "\n-----END RSA PRIVATE KEY-----"
+       formatted_key = private_key.strip()
+       if needs_header:
+           formatted_key = "-----BEGIN RSA PRIVATE KEY-----\n" + formatted_key
+       if needs_footer:
+           formatted_key = formatted_key + "\n-----END RSA PRIVATE KEY-----"
🧰 Tools
🪛 Gitleaks (8.21.2)

20-22: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1ba63c9 and d5fa6c1.

📒 Files selected for processing (2)
  • fix_private_key.py (1 hunks)
  • test_pyjwt.py (1 hunks)
🧰 Additional context used
🪛 Gitleaks (8.21.2)
fix_private_key.py

20-22: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

🔇 Additional comments (5)
test_pyjwt.py (2)

7-11: Security improvement by using environment variables.

This code correctly retrieves credentials from environment variables and validates their presence, which is a security best practice compared to hardcoded credentials.


16-28: Appropriate JWT implementation with secure practices.

The JWT creation follows best practices:

  • Proper claims (iat, exp, iss)
  • Reasonable 10-minute expiration
  • Secure RS256 algorithm
  • Limited exposure of the generated token
fix_private_key.py (3)

13-15: Proper handling of sensitive data in logs.

The script correctly redacts the private key content while still providing useful debugging information.


26-44: Proper error handling for file operations.

The file operations are correctly enclosed in a try-except block with appropriate error messaging and exit status.


47-50: Appropriate handling of edge cases.

The script correctly handles cases where the key is already properly formatted or missing entirely.

Comment on lines +45 to +46
print(f"\nPrivate key has been formatted and saved to {env_path}")
print(f"New private key length: {len(formatted_key)}")
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⚠️ Potential issue

Remove duplicate print statements.

These print statements duplicate lines 40-41 and will execute even if the file update operation failed.

Remove these duplicate print statements as they're already included within the try block:

        except IOError as e:
            print(f"\nError updating .env file: {str(e)}")
            sys.exit(1)
-       print(f"\nPrivate key has been formatted and saved to {env_path}")
-       print(f"New private key length: {len(formatted_key)}")
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
print(f"\nPrivate key has been formatted and saved to {env_path}")
print(f"New private key length: {len(formatted_key)}")
try:
with open(env_path, 'r') as file:
env_content = file.read()
# Replace the private key
new_env_content = env_content.replace(
f"GITHUB_PRIVATE_KEY={private_key}",
f"GITHUB_PRIVATE_KEY={formatted_key}"
)
with open(env_path, 'w') as file:
file.write(new_env_content)
print(f"\nPrivate key has been formatted and saved to {env_path}")
print(f"New private key length: {len(formatted_key)}")
except IOError as e:
print(f"\nError updating .env file: {str(e)}")
sys.exit(1)

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