#!/usr/bin/env python3
"""
Optimize GIF size while maintaining quality
"""
import subprocess
from pathlib import Path
def optimize_gif():
"""Optimize the demo GIF"""
if not subprocess.run(['which', 'gifsicle'], capture_output=True).returncode == 0:
print("Error: gifsicle not installed")
print("Install with:")
print(" macOS: brew install gifsicle")
print(" Linux: sudo apt-get install gifsicle")
print(" Windows: Download from https://www.lcdf.org/gifsicle/")
return
input_gif = Path(__file__).parent.parent.parent / "assets" / "demo.gif"
if not input_gif.exists():
print(f"Error: {input_gif} not found")
print("Make sure you've run convert_to_gif.py first")
return
# Create backup
backup = input_gif.with_suffix('.original.gif')
subprocess.run(['cp', str(input_gif), str(backup)])
print(f"Created backup: {backup}")
# Try different optimization levels
print("\nTrying optimization levels...")
# Level 1: Basic optimization
print("\n1. Basic optimization (--optimize=3)...")
subprocess.run([
'gifsicle',
'--batch',
'--optimize=3',
str(input_gif)
])
size1 = input_gif.stat().st_size / (1024 * 1024)
print(f" Size: {size1:.2f} MB")
if size1 < 10:
print(" ✓ Under 10MB with basic optimization!")
cleanup_backup(backup, input_gif)
return
# Level 2: Reduce colors
print("\n2. Reducing colors (128 colors)...")
subprocess.run(['cp', str(backup), str(input_gif)]) # Restore original
subprocess.run([
'gifsicle',
'--batch',
'--optimize=3',
'--colors', '128',
str(input_gif)
])
size2 = input_gif.stat().st_size / (1024 * 1024)
print(f" Size: {size2:.2f} MB")
if size2 < 10:
print(" ✓ Under 10MB with reduced colors!")
cleanup_backup(backup, input_gif)
return
# Level 3: Add lossy compression
print("\n3. Adding lossy compression...")
subprocess.run(['cp', str(backup), str(input_gif)]) # Restore original
subprocess.run([
'gifsicle',
'--batch',
'--optimize=3',
'--colors', '128',
'--lossy=30',
str(input_gif)
])
size3 = input_gif.stat().st_size / (1024 * 1024)
print(f" Size: {size3:.2f} MB")
if size3 < 10:
print(" ✓ Under 10MB with lossy compression!")
else:
print("\n4. Maximum compression...")
subprocess.run(['cp', str(backup), str(input_gif)]) # Restore original
subprocess.run([
'gifsicle',
'--batch',
'--optimize=3',
'--colors', '64',
'--lossy=50',
'--scale', '0.9', # Slightly reduce dimensions
str(input_gif)
])
size4 = input_gif.stat().st_size / (1024 * 1024)
print(f" Size: {size4:.2f} MB")
cleanup_backup(backup, input_gif)
def cleanup_backup(backup, optimized):
"""Compare and optionally remove backup"""
original_size = backup.stat().st_size / (1024 * 1024)
new_size = optimized.stat().st_size / (1024 * 1024)
print(f"\nOptimization complete!")
print(f"Original: {original_size:.2f} MB")
print(f"Optimized: {new_size:.2f} MB")
print(f"Saved: {original_size - new_size:.2f} MB ({(1 - new_size/original_size)*100:.0f}%)")
response = input("\nKeep backup file? (y/n): ")
if response.lower() != 'y':
backup.unlink()
print("Backup removed")
if __name__ == "__main__":
optimize_gif()
