delete_user.py

import os 
import pickle
import glob

# deletes a registered user from database
def delete_user():
    name = input("Enter name of the user:")
    
    with open("./face_database/embeddings.pickle", "rb") as database:
        db = pickle.load(database)
        
    user = db.pop(name, None)
    
    if user is not None:
        print('User ' + name + ' deleted successfully')
        # save the database
        with open('face_database/embeddings.pickle', 'wb') as database:
                pickle.dump(db, database, protocol=pickle.HIGHEST_PROTOCOL)
          
        [os.remove(path) for path in glob.glob('./voice_database/' + name + '/*')]
        os.removedirs('./voice_database/' + name)
        os.remove('./gmm_models/' + name + '.gmm')
        
    else:
        print('No such user !!')

if __name__ == '__main__':
    delete_user()