308 lines
9.2 KiB
Python
Executable File
308 lines
9.2 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Analyze development environment and find cleanable resources.
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Checks:
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- Docker (images, containers, volumes, build cache)
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- Homebrew cache
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- npm cache
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- pip cache
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- Old .git directories in archived projects
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Usage:
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python3 analyze_dev_env.py
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"""
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import os
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import sys
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import subprocess
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import json
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from pathlib import Path
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def format_size(bytes_size):
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"""Convert bytes to human-readable format."""
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if bytes_size is None:
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return "Unknown"
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for unit in ['B', 'KB', 'MB', 'GB', 'TB']:
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if bytes_size < 1024.0:
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return f"{bytes_size:.1f} {unit}"
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bytes_size /= 1024.0
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return f"{bytes_size:.1f} PB"
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def run_command(cmd):
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"""Run command and return output, or None if error."""
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try:
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result = subprocess.run(
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cmd,
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capture_output=True,
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text=True,
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timeout=30
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)
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if result.returncode == 0:
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return result.stdout.strip()
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return None
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except (subprocess.TimeoutExpired, FileNotFoundError):
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return None
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def get_dir_size(path):
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"""Get directory size using du command."""
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output = run_command(['du', '-sk', path])
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if output:
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try:
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size_kb = int(output.split()[0])
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return size_kb * 1024 # Convert to bytes
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except (ValueError, IndexError):
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pass
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return 0
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def check_docker():
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"""Check Docker resources."""
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print("\n🐳 Docker Resources")
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print("=" * 50)
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# Check if Docker is installed
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if not run_command(['which', 'docker']):
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print(" Docker not installed or not in PATH")
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return 0
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# Check if Docker daemon is running
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if not run_command(['docker', 'info']):
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print(" Docker daemon not running")
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return 0
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total_size = 0
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# Images
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images_output = run_command(['docker', 'images', '-q'])
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if images_output:
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image_count = len(images_output.split('\n'))
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print(f"\n📦 Images: {image_count}")
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# Get size estimate
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system_output = run_command(['docker', 'system', 'df', '--format', '{{json .}}'])
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if system_output:
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for line in system_output.split('\n'):
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try:
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data = json.loads(line)
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if data.get('Type') == 'Images':
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size_str = data.get('Size', '')
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# Parse size (format like "1.2GB")
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if 'GB' in size_str:
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size = float(size_str.replace('GB', '')) * 1024 * 1024 * 1024
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elif 'MB' in size_str:
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size = float(size_str.replace('MB', '')) * 1024 * 1024
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else:
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size = 0
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print(f" Total size: {format_size(size)}")
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total_size += size
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except (json.JSONDecodeError, ValueError):
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pass
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# Containers
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containers_output = run_command(['docker', 'ps', '-a', '-q'])
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if containers_output:
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container_count = len(containers_output.split('\n'))
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stopped = run_command(['docker', 'ps', '-a', '-f', 'status=exited', '-q'])
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stopped_count = len(stopped.split('\n')) if stopped else 0
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print(f"\n📦 Containers: {container_count} total, {stopped_count} stopped")
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# Volumes
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volumes_output = run_command(['docker', 'volume', 'ls', '-q'])
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if volumes_output:
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volume_count = len(volumes_output.split('\n'))
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print(f"\n📦 Volumes: {volume_count}")
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# List volumes
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for volume in volumes_output.split('\n')[:5]: # Show first 5
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inspect = run_command(['docker', 'volume', 'inspect', volume])
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print(f" - {volume}")
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if volume_count > 5:
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print(f" ... and {volume_count - 5} more")
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# Build cache
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buildx_output = run_command(['docker', 'buildx', 'du'])
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if buildx_output and 'Total:' in buildx_output:
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print(f"\n📦 Build Cache:")
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for line in buildx_output.split('\n'):
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if 'Total:' in line:
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print(f" {line}")
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print("\n💡 Cleanup: Remove specific images/volumes by ID/name (see SKILL.md)")
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print(" ⚠️ NEVER use 'docker system prune' -- always specify exact objects")
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return total_size
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def check_homebrew():
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"""Check Homebrew cache."""
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print("\n🍺 Homebrew")
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print("=" * 50)
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if not run_command(['which', 'brew']):
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print(" Homebrew not installed")
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return 0
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cache_path = run_command(['brew', '--cache'])
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if cache_path and os.path.exists(cache_path):
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size = get_dir_size(cache_path)
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print(f" Cache location: {cache_path}")
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print(f" Cache size: {format_size(size)}")
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print(f"\n💡 Cleanup command: brew cleanup -s")
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return size
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return 0
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def check_npm():
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"""Check npm cache."""
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print("\n📦 npm")
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print("=" * 50)
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if not run_command(['which', 'npm']):
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print(" npm not installed")
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return 0
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cache_path = run_command(['npm', 'config', 'get', 'cache'])
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if cache_path and cache_path != 'undefined' and os.path.exists(cache_path):
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size = get_dir_size(cache_path)
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print(f" Cache location: {cache_path}")
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print(f" Cache size: {format_size(size)}")
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print(f"\n💡 Cleanup command: npm cache clean --force")
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return size
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return 0
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def check_pip():
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"""Check pip cache."""
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print("\n🐍 pip")
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print("=" * 50)
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# Try pip3 first
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pip_cmd = 'pip3' if run_command(['which', 'pip3']) else 'pip'
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if not run_command(['which', pip_cmd]):
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print(" pip not installed")
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return 0
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cache_dir = run_command([pip_cmd, 'cache', 'dir'])
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if cache_dir and os.path.exists(cache_dir):
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size = get_dir_size(cache_dir)
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print(f" Cache location: {cache_dir}")
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print(f" Cache size: {format_size(size)}")
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print(f"\n💡 Cleanup command: {pip_cmd} cache purge")
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return size
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return 0
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def check_old_git_repos():
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"""Find large .git directories in archived projects."""
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print("\n📁 Old Git Repositories")
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print("=" * 50)
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home = Path.home()
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common_project_dirs = [
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home / 'Projects',
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home / 'workspace',
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home / 'dev',
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home / 'src',
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home / 'code'
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]
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git_repos = []
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total_size = 0
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for project_dir in common_project_dirs:
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if not project_dir.exists():
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continue
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# Find .git directories
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try:
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result = subprocess.run(
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['find', str(project_dir), '-name', '.git', '-type', 'd', '-maxdepth', 3],
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capture_output=True,
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text=True,
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timeout=30
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)
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if result.returncode == 0:
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for git_path in result.stdout.strip().split('\n'):
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if git_path:
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size = get_dir_size(git_path)
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if size > 10 * 1024 * 1024: # > 10 MB
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git_repos.append((git_path, size))
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total_size += size
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except subprocess.TimeoutExpired:
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continue
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if git_repos:
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# Sort by size
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git_repos.sort(key=lambda x: x[1], reverse=True)
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print(f" Found {len(git_repos)} .git directories > 10 MB")
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print(f"\n Top 10 largest:")
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for path, size in git_repos[:10]:
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# Get parent directory name (project name)
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project_name = Path(path).parent.name
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print(f" - {project_name:<30} {format_size(size)}")
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print(f"\n Total: {format_size(total_size)}")
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print(f"\n💡 If these are archived projects, consider:")
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print(f" 1. Delete .git history: rm -rf <project>/.git")
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print(f" 2. Or compress entire project: tar -czf archive.tar.gz <project>")
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else:
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print(" No large .git directories found in common project locations")
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return total_size
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def main():
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print("🔍 Development Environment Analysis")
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print("=" * 50)
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total_savings = 0
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# Check each component
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docker_size = check_docker()
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brew_size = check_homebrew()
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npm_size = check_npm()
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pip_size = check_pip()
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git_size = check_old_git_repos()
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# Summary
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print("\n\n📊 Summary")
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print("=" * 50)
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if docker_size:
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print(f"Docker: {format_size(docker_size)}")
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total_savings += docker_size
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if brew_size:
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print(f"Homebrew cache: {format_size(brew_size)}")
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total_savings += brew_size
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if npm_size:
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print(f"npm cache: {format_size(npm_size)}")
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total_savings += npm_size
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if pip_size:
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print(f"pip cache: {format_size(pip_size)}")
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total_savings += pip_size
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if git_size:
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print(f"Old .git repos: {format_size(git_size)}")
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total_savings += git_size
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print("-" * 50)
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print(f"Potential savings: {format_size(total_savings)}")
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print("\n💡 Next Steps:")
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print(" 1. Review Docker volumes before cleanup (may contain data)")
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print(" 2. Package manager caches are safe to delete")
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print(" 3. For .git directories, ensure project is truly archived")
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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