analyze_performance.py

#!/usr/bin/env python3
"""
Focused performance analysis for update_repository_tree_with_branch_filter
"""

import sys
import os
sys.path.append(os.path.dirname(__file__))

from git_repository_manager import GitRepositoryManager, BENCHMARKING_ENABLED
import tkinter as tk

def analyze_performance():
    """Analyze the performance of the slow method"""
    print("🔍 Performance Analysis for update_repository_tree_with_branch_filter")
    print("=" * 70)
    
    # Create a non-visible instance for testing
    root = tk.Tk()
    root.withdraw()  # Hide the window
    
    app = GitRepositoryManager()
    
    if not app.selected_folder:
        print("❌ No folder selected. The performance test needs repositories to analyze.")
        print("💡 Please modify this script to set app.selected_folder to a folder with Git repositories.")
        print("💡 Or run the full application and use Debug > Profile Branch Filtering")
        root.destroy()
        return
    
    print(f"📁 Analyzing folder: {app.selected_folder}")
    print(f"📊 Found {len(app.repositories)} repositories")
    
    if len(app.repositories) == 0:
        print("❌ No repositories found. Please ensure the folder contains Git repositories.")
        root.destroy()
        return
    
    # Test different filter scenarios
    test_scenarios = [
        ("No filters", "", ""),
        ("User filter", "test", ""),
        ("Message filter", "", "fix"),
        ("Combined filters", "test", "fix"),
    ]
    
    print(f"\n🧪 Testing {len(test_scenarios)} scenarios...")
    
    for scenario_name, user_filter, message_filter in test_scenarios:
        print(f"\n--- {scenario_name} ---")
        app.branch_filter_user = user_filter
        app.branch_filter_message = message_filter
        
        if user_filter or message_filter:
            print(f"Filters: user='{user_filter}', message='{message_filter}'")
            app.update_repository_tree_with_branch_filter()
        else:
            print("No filters applied - skipping (would show all repositories)")
    
    root.destroy()
    print("\n✅ Performance analysis completed!")
    print("\n💡 Tips for improving performance:")
    print("1. Look for repositories that consistently take >100ms")
    print("2. Consider caching branch information for large repositories") 
    print("3. Implement lazy loading for repositories with many branches")
    print("4. Use more specific filters to reduce the number of branches to check")

if __name__ == "__main__":
    analyze_performance()