Anarchy_test.py

#!/usr/bin/env python2
# encoding: utf-8

import subprocess

def __get_output(command):
    process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
    output = process.communicate()
    retcode = process.poll()
    if retcode == 0:
        return [out for out in output[0].split("\n") if out]
    else:
        return None

class Device(object):
    def __init__(self):
        self.block_device = None
        self.size = None

def list_harddrives_names():
    drives = []
    for line in __get_output("parted -lms | grep '^/dev'"):
        line = line.split(':')
        if (len(line) != 8) and (line[5] == 'loop') or ('ROM' in line[6]):
            continue
        drives.append(line[0])
    return drives

print list_harddrives_names()