Get distributions of sample rates among WAV files

sample_rate_counter.py

import os
import soundfile as sf # https://github.com/bastibe/python-soundfile

def get_wav_sample_rate(file_path):
    try:
        with sf.SoundFile(file_path) as wav_file:
            return wav_file.samplerate
    except: print(f"Error processing file: {file_path}")

def count_sample_rates_in_dir(root_dir):
    sample_rates = {}
    total_files = valid_files = 0

    for root, _, files in os.walk(root_dir):
        for file in files:
            if file.endswith('.wav'):
                sample_rate = get_wav_sample_rate(os.path.join(root, file))
                if sample_rate: sample_rates[sample_rate] = sample_rates.get(sample_rate,0)+1; valid_files += 1
                total_files += 1

    sorted_sample_rates = dict(sorted(sample_rates.items(), key=lambda item: item[1], reverse=True))
    return sorted_sample_rates, total_files, valid_files

def printout(sample_rates, total_files, valid_files):
    if valid_files < total_files: print("Some .wav files were skipped.")
    print(f"{valid_files}/{total_files} files counted.\n")
    print("Sample Rate\tCount\tPercentage\n" + 34*"-")
    for rate, count in sample_rates.items():
        print(f"{rate} Hz\t{count}\t{(count/valid_files)*100:.2f}%")

def main():
    root_dir = input("Enter the directory path to search for .wav files: ")
    if not os.path.isdir(root_dir): print("Invalid directory path."); return

    sample_rates, total_files, valid_files = count_sample_rates_in_dir(root_dir)
    if sample_rates: printout(sample_rates, total_files, valid_files)
    else: print("No valid .wav files found.")

if __name__ == "__main__":
    main()