Python script to convert a folder to tar file and replace file only if changes occur.

backup_script.py

#!/Users/mshiyaf/.pyenv/shims/python
import os
import tarfile
import time

def tardir(path,tar_name):
    tar_log = open('/Users/mshiyaf/Code/backup_mod.log','w')
    try:
        with tarfile.open('/Users/mshiyaf/Code/Texol_Backup.tar','r') as tar:
            file_name_array = []
            file_time_array = []
            tar_name_array = []
            tar_time_array = []
            for root, dirs, files in os.walk(path):
                for file in files:
                    node_mod = 'node_modules'
                    if(node_mod not in root):
                        file_name_array.append(os.path.join(root,file))
                        file_time_array.append(os.path.getmtime(os.path.join(root,file)))
            for filename in tar:
                tar_name_array.append(filename.name)
                tar_time_array.append(filename.mtime)
            if file_name_array == tar_name_array:
                for i in range(len(file_name_array)):
                    if file_time_array[i] != tar_time_array[i]:
                        with tarfile.open(tar_name,'a') as tar_add:
                            time_of_mod = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(file_time_array[i]))
                            print(file_name_array[i]+'-------------'+time_of_mod,file=tar_log)
                            tar_add.add(file_name_array[i])
                        create_new_tar(path,tar_name)
            else:
                create_new_tar(path,tar_name)
    except Exception as e:
        error_log = open('/Users/mshiyaf/Code/error.log','w')
        print(e,file=error_log)
        create_new_tar(path,tar_name)
def create_new_tar(path,tar_name):
    log = open('/Users/mshiyaf/Code/backup.log','w')
    with tarfile.open(tar_name,'w') as tar_handle:
        for root, dirs, files in os.walk(path):
            for file in files:
                node_modules = 'node_modules'
                if (node_modules not in root):
                    time_of_mod = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(os.path.getmtime(os.path.join(root,file))))
                    time_now = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
                    print(root+'------'+file+'-------'+time_now+'------'+time_of_mod,file=log)
                    tar_handle.add(os.path.join(root, file))


tardir('/Users/mshiyaf/Texol','Texol_Backup.tar')
tardir('/Users/mshiyaf/Sites','Sites_Backup.tar')