Simple Python script for mass subscribing from a plaintext file to a mlmmj list. (Tested w/ Debian 12 @ hostsharing.net)

mlmmj-importer.py

import click
import subprocess

listhome = '/home/pacs/xyz00/users/list/mlmmj'


@click.command()
@click.option("--file", prompt="Filename",
              help="The file with the recipients (one per line). Must be in the same directory.")
@click.option("--mlist", prompt="Listname",
              help="The name of the mlmmj list to subscribe to.")
# TODO: Implement -c / -C choice to request confirmation by subscriber
def importer(file, mlist):
    """Subscribes many recipients line-wise from a plaintext FILE to the mlmmj list MLIST."""
    with open(file, 'r') as importfile:
        click.echo('Found file to import...   ', nl=False)
        lines = len(importfile.readlines())
        click.echo('Total Number of lines: %s' % lines)
        importfile.seek(0)    # Reset file pointer to the beginning
        if click.confirm('Do you want to add these %s recipients to the <%s> mailing list?' % (lines, mlist)):

            click.echo('OK, let\'s start subscribing...!')
            while True:
                recipient = importfile.readline().strip()
                if not recipient:
                    break
                click.echo('Adding <%s> to list %s...' % (recipient, mlist))
                process = subprocess.Popen(['/usr/bin/mlmmj-sub', '-L', listhome + '/' + mlist, '-a', recipient,
                                            # '-c' = send confirmation to sub, '-q' = don't notify owner
                                            # '-f' = force (no sub-mod), '-s' = no mail if already sub
                                           '-c', '-q', '-f', '-s'],
                                           stdout=subprocess.PIPE,
                                           stderr=subprocess.PIPE,
                                           universal_newlines=True)
                stdout, stderr = process.communicate()
                if stdout:
                    click.echo(stdout)
                if stderr:
                    click.echo(stderr)
            click.echo('...job is DONE! :)')
        else:
            click.echo('OK, finished without action... :(')


if __name__ == '__main__':
    importer()