"""Virus scanning code."""
from subprocess import PIPE, run

import config


def scan_string_for_virus(file_contents):
    """Given a string will return 0 if virus free or 1 for virus filled."""
    p = run(
        [config.CLAMSCAN_PATH, '-v', '-a', '--stdout',
            '-d', config.CLAMAV_DB, '-'],
        stdout=PIPE,
        input=file_contents)
    return p.returncode