test_environment.py

#!/usr/bin/env python3
"""
MP3 Volume Normalizer - Environment Test Script

This script checks if the environment is properly set up to run the MP3 Volume Normalizer.
It verifies that all required dependencies are installed and working correctly.
"""

import sys
import os
import platform
import subprocess
import importlib.util


def check_python_version():
    """Check if the Python version is compatible."""
    print(f"Python version: {platform.python_version()}")
    if sys.version_info < (3, 6):
        print("❌ Python 3.6 or higher is required")
        return False
    print("✅ Python version is compatible")
    return True


def check_module(module_name):
    """Check if a Python module is installed."""
    spec = importlib.util.find_spec(module_name)
    if spec is None:
        print(f"❌ {module_name} is not installed")
        return False
    print(f"✅ {module_name} is installed")
    return True


def check_ffmpeg():
    """Check if ffmpeg is installed and accessible."""
    try:
        # Run ffmpeg -version and capture output
        result = subprocess.run(
            ["ffmpeg", "-version"],
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
            text=True,
            check=False
        )
        
        if result.returncode == 0:
            # Extract version from the output
            version_line = result.stdout.split('\n')[0]
            print(f"✅ ffmpeg is installed: {version_line}")
            return True
        else:
            print("❌ ffmpeg is installed but returned an error")
            return False
    except FileNotFoundError:
        print("❌ ffmpeg is not installed or not in PATH")
        return False


def main():
    """Run all environment checks."""
    print("MP3 Volume Normalizer - Environment Test")
    print("=======================================")
    print(f"Operating System: {platform.system()} {platform.release()}")
    print(f"Machine: {platform.machine()}")
    print("---------------------------------------")
    
    # Check Python version
    python_ok = check_python_version()
    
    # Check required modules
    print("\nChecking required Python modules:")
    modules_ok = all([
        check_module("tkinter"),
        check_module("pydub"),
        check_module("numpy")
    ])
    
    # Check ffmpeg
    print("\nChecking ffmpeg installation:")
    ffmpeg_ok = check_ffmpeg()
    
    # Summary
    print("\nTest Summary:")
    print("---------------------------------------")
    if all([python_ok, modules_ok, ffmpeg_ok]):
        print("✅ All checks passed! Your environment is ready to run MP3 Volume Normalizer.")
    else:
        print("❌ Some checks failed. Please fix the issues before running the application.")
    
    return 0 if all([python_ok, modules_ok, ffmpeg_ok]) else 1


if __name__ == "__main__":
    sys.exit(main())