mirror of
https://github.com/mbusb/multibootusb
synced 2024-11-16 21:26:23 +00:00
374 lines
15 KiB
Python
374 lines
15 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
# Name: usb.py
|
|
# Purpose: Module to list USB devices and get details under Linux and Windows
|
|
# Authors: Sundar
|
|
# Licence: This file is a part of multibootusb package. You can redistribute it or modify
|
|
# under the terms of GNU General Public License, v.2 or above
|
|
|
|
import sys
|
|
import platform
|
|
import os
|
|
import shutil
|
|
import collections
|
|
import ctypes
|
|
|
|
|
|
def is_block(usb_disk):
|
|
"""
|
|
Function to detect if the USB is block device
|
|
:param usb_disk: USB disk path
|
|
:return: True is devie is block device else False
|
|
"""
|
|
import stat
|
|
if platform.system() == 'Linux':
|
|
if len(usb_disk) != 9:
|
|
return False
|
|
elif platform.system() == 'Windows':
|
|
if len(usb_disk) != 2:
|
|
return False
|
|
else:
|
|
return True
|
|
try:
|
|
mode = os.stat(usb_disk).st_mode
|
|
print(mode)
|
|
print(stat.S_ISBLK(mode))
|
|
except:
|
|
return False
|
|
|
|
return stat.S_ISBLK(mode)
|
|
|
|
|
|
def disk_usage(mount_path):
|
|
"""
|
|
Return disk usage statistics about the given path as a (total, used, free)
|
|
namedtuple. Values are expressed in bytes.
|
|
"""
|
|
# Author: Giampaolo Rodola' <g.rodola [AT] gmail [DOT] com>
|
|
# License: MIT
|
|
_ntuple_diskusage = collections.namedtuple('usage', 'total used free')
|
|
|
|
if platform.system() == "Linux":
|
|
st = os.statvfs(mount_path)
|
|
free = st.f_bavail * st.f_frsize
|
|
total = st.f_blocks * st.f_frsize
|
|
used = (st.f_blocks - st.f_bfree) * st.f_frsize
|
|
|
|
return _ntuple_diskusage(total, used, free)
|
|
|
|
elif platform.system() == "Windows":
|
|
|
|
_, total, free = ctypes.c_ulonglong(), ctypes.c_ulonglong(), \
|
|
ctypes.c_ulonglong()
|
|
if sys.version_info >= (3,) or isinstance(mount_path, unicode):
|
|
fun = ctypes.windll.kernel32.GetDiskFreeSpaceExW
|
|
else:
|
|
fun = ctypes.windll.kernel32.GetDiskFreeSpaceExA
|
|
ret = fun(mount_path, ctypes.byref(_), ctypes.byref(total), ctypes.byref(free))
|
|
if ret == 0:
|
|
raise ctypes.WinError()
|
|
used = total.value - free.value
|
|
|
|
return _ntuple_diskusage(total.value, used, free.value)
|
|
else:
|
|
raise NotImplementedError("Platform not supported.")
|
|
|
|
|
|
def list(partition=1):
|
|
"""
|
|
List inserted USB devices.
|
|
:return: USB devices as list.
|
|
"""
|
|
devices = []
|
|
if platform.system() == "Linux":
|
|
from . import pyudev
|
|
import dbus
|
|
|
|
|
|
try:
|
|
# pyudev is good enough to detect USB devices on modern Linux
|
|
# machines.
|
|
print("Using pyudev for detecting USB drives...")
|
|
context = pyudev.Context()
|
|
for device in context.list_devices(subsystem='block', DEVTYPE='partition',
|
|
ID_FS_USAGE="filesystem", ID_TYPE="disk",
|
|
ID_BUS="usb"):
|
|
if device['ID_BUS'] == "usb" and device['DEVTYPE'] == "partition":
|
|
# print(device['DEVNAME'])
|
|
devices.append(str(device['DEVNAME']))
|
|
except:
|
|
bus = dbus.SystemBus()
|
|
try:
|
|
# You should come here only if your system does'nt have udev installed.
|
|
# We will use udiskd2 for now.
|
|
print("Falling back to Udisks2..")
|
|
ud_manager_obj = bus.get_object(
|
|
'org.freedesktop.UDisks2', '/org/freedesktop/UDisks2')
|
|
ud_manager = dbus.Interface(
|
|
ud_manager_obj, 'org.freedesktop.DBus.ObjectManager')
|
|
for k, v in ud_manager.GetManagedObjects().iteritems():
|
|
drive_info = v.get('org.freedesktop.UDisks2.Block', {})
|
|
if drive_info.get('IdUsage') == "filesystem" and not drive_info.get(
|
|
'HintSystem') and not drive_info.get('ReadOnly'):
|
|
device = drive_info.get('Device')
|
|
device = bytearray(device).replace(
|
|
b'\x00', b'').decode('utf-8')
|
|
devices.append(device)
|
|
except:
|
|
try:
|
|
# You must be using really old distro. Otherwise, the code
|
|
# should not reach here.
|
|
print("Falling back to Udisks1...")
|
|
ud_manager_obj = bus.get_object(
|
|
"org.freedesktop.UDisks", "/org/freedesktop/UDisks")
|
|
ud_manager = dbus.Interface(
|
|
ud_manager_obj, 'org.freedesktop.UDisks')
|
|
for dev in ud_manager.EnumerateDevices():
|
|
device_obj = bus.get_object(
|
|
"org.freedesktop.UDisks", dev)
|
|
device_props = dbus.Interface(
|
|
device_obj, dbus.PROPERTIES_IFACE)
|
|
if device_props.Get('org.freedesktop.UDisks.Device',
|
|
"DriveConnectionInterface") == "usb" and device_props.Get(
|
|
'org.freedesktop.UDisks.Device', "DeviceIsPartition"):
|
|
if device_props.Get('org.freedesktop.UDisks.Device', "DeviceIsMounted"):
|
|
device_file = device_props.Get(
|
|
'org.freedesktop.UDisks.Device', "DeviceFile")
|
|
devices.append(device_file)
|
|
except:
|
|
print("No USB device found...")
|
|
|
|
elif platform.system() == "Windows":
|
|
import win32com.client
|
|
oFS = win32com.client.Dispatch("Scripting.FileSystemObject")
|
|
oDrives = oFS.Drives
|
|
for drive in oDrives:
|
|
if drive.DriveType == 1 and drive.IsReady:
|
|
devices.append(drive)
|
|
|
|
if devices:
|
|
return devices
|
|
else:
|
|
print("No USB device found...")
|
|
return None
|
|
|
|
|
|
def details_udev(usb_disk_part):
|
|
"""
|
|
Get details of USB partition using udev
|
|
"""
|
|
if platform.system() == "Linux":
|
|
from . import pyudev
|
|
"""
|
|
Try with PyUdev to get the details of USB disks.
|
|
This is the easiest and reliable method to find USB details.
|
|
Also, it is a standalone package and no dependencies are required.
|
|
"""
|
|
# print "Using PyUdev for detecting USB details..."
|
|
context = pyudev.Context()
|
|
for device in context.list_devices(subsystem='block', DEVTYPE='partition',
|
|
ID_FS_USAGE="filesystem", ID_TYPE="disk",
|
|
ID_BUS="usb"):
|
|
if device['ID_BUS'] == "usb" and device['DEVTYPE'] == "partition":
|
|
if (device['DEVNAME']) == usb_disk_part:
|
|
uuid = str(device['ID_FS_UUID'])
|
|
file_system = str(device['ID_FS_TYPE'])
|
|
try:
|
|
label = str(device['ID_FS_LABEL'])
|
|
except:
|
|
label = "No_Label"
|
|
mount_point = os.popen('findmnt -nr -o target -S %s'
|
|
% usb_disk_part).read().strip()
|
|
# Convert the hex string of space to empty space.
|
|
mount_point = mount_point.replace('\\x20', ' ')
|
|
try:
|
|
vendor = str(device['ID_VENDOR'])
|
|
except:
|
|
vendor = str('No_Vendor')
|
|
try:
|
|
model = str(device['ID_MODEL'])
|
|
except:
|
|
model = str('No_Model')
|
|
|
|
if not mount_point == '':
|
|
size_total = shutil.disk_usage(mount_point)[0]
|
|
size_used = shutil.disk_usage(mount_point)[1]
|
|
size_free = shutil.disk_usage(mount_point)[2]
|
|
|
|
else:
|
|
size_total = str('No_Mount')
|
|
size_used = str('No_Mount')
|
|
size_free = str('No_Mount')
|
|
mount_point = str('No_Mount')
|
|
|
|
return {'uuid': uuid, 'file_system': file_system, 'label': label, 'mount_point': mount_point,
|
|
'size_total': size_total, 'size_used': size_used, 'size_free': size_free,
|
|
'vendor': vendor, 'model': model}
|
|
|
|
|
|
def details_udisks2(usb_disk_part):
|
|
"""
|
|
Get details of USB disk detail.
|
|
usb_disk_part: It is the partition of an USB removable disk.
|
|
"""
|
|
import dbus
|
|
bus = dbus.SystemBus()
|
|
bd = bus.get_object('org.freedesktop.UDisks2', '/org/freedesktop/UDisks2/block_devices%s'%usb_disk_part[4:])
|
|
device = bd.Get('org.freedesktop.UDisks2.Block', 'Device', dbus_interface='org.freedesktop.DBus.Properties')
|
|
device = bytearray(device).replace(b'\x00', b'').decode('utf-8')
|
|
uuid = bd.Get('org.freedesktop.UDisks2.Block', 'IdUUID', dbus_interface='org.freedesktop.DBus.Properties')
|
|
file_system = bd.Get('org.freedesktop.UDisks2.Block', 'IdType', dbus_interface='org.freedesktop.DBus.Properties')
|
|
mount_point = bd.Get('org.freedesktop.UDisks2.Filesystem', 'MountPoints', dbus_interface='org.freedesktop.DBus.Properties')
|
|
if mount_point:
|
|
# mount_point = str(bytearray(mount_point[0]).decode('utf-8').replace(b'\x00', b''))
|
|
mount_point = bytearray(mount_point[0]).replace(b'\x00', b'').decode('utf-8')
|
|
else:
|
|
mount_point = "No_Mount"
|
|
try:
|
|
label = bd.Get('org.freedesktop.UDisks2.Block', 'IdLabel', dbus_interface='org.freedesktop.DBus.Properties')
|
|
except:
|
|
label = "No_Label"
|
|
usb_drive_id = (bd.Get('org.freedesktop.UDisks2.Block', 'Drive', dbus_interface='org.freedesktop.DBus.Properties'))
|
|
bd1 = bus.get_object('org.freedesktop.UDisks2', usb_drive_id)
|
|
try:
|
|
vendor = bd1.Get('org.freedesktop.UDisks2.Drive', 'Vendor', dbus_interface='org.freedesktop.DBus.Properties')
|
|
except:
|
|
vendor = str('No_Vendor')
|
|
try:
|
|
model = bd1.Get('org.freedesktop.UDisks2.Drive', 'Model', dbus_interface='org.freedesktop.DBus.Properties')
|
|
except:
|
|
model = str('No_Model')
|
|
if not mount_point == "No_Mount":
|
|
size_total = shutil.disk_usage(mount_point)[0]
|
|
size_used = shutil.disk_usage(mount_point)[1]
|
|
size_free = shutil.disk_usage(mount_point)[2]
|
|
else:
|
|
size_total = str('No_Mount')
|
|
size_used = str('No_Mount')
|
|
size_free = str('No_Mount')
|
|
|
|
return {'uuid': uuid, 'file_system': file_system, 'label': label, 'mount_point': mount_point,
|
|
'size_total': size_total, 'size_used': size_used, 'size_free': size_free,
|
|
'vendor': vendor, 'model': model}
|
|
|
|
|
|
def bytes2human(n):
|
|
"""
|
|
Convert the size to human readable format
|
|
Authored by 'Giampaolo Rodolà' and original link is:-
|
|
http://code.activestate.com/recipes/577972-disk-usage/
|
|
"""
|
|
try:
|
|
n = int(n)
|
|
except:
|
|
return 'Unknown'
|
|
symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
|
|
prefix = {}
|
|
for i, s in enumerate(symbols):
|
|
prefix[s] = 1 << (i + 1) * 10
|
|
for s in reversed(symbols):
|
|
if n >= prefix[s]:
|
|
value = float(n) / prefix[s]
|
|
return '%.1f%s' % (value, s)
|
|
return "%sB" % n
|
|
|
|
|
|
def win_disk_details(disk_drive):
|
|
"""
|
|
Populate and get details of an USB disk under windows. Minimum required windows version is Vista.
|
|
:param disk_drive: USB disk like 'G:'
|
|
:return: See the details(usb_disk_part) function for return values.
|
|
"""
|
|
import win32com.client
|
|
import wmi
|
|
import pythoncom
|
|
pythoncom.CoInitialize()
|
|
vendor = 'Not_Found'
|
|
model = 'Not_Found'
|
|
c = wmi.WMI()
|
|
selected_usb_part = str(disk_drive)
|
|
oFS = win32com.client.Dispatch("Scripting.FileSystemObject")
|
|
d = oFS.GetDrive(oFS.GetDriveName(oFS.GetAbsolutePathName(selected_usb_part)))
|
|
selected_usb_device = d.DriveLetter
|
|
label = (d.VolumeName).strip()
|
|
if not label.strip():
|
|
label = "No_label"
|
|
mount_point = selected_usb_device + ":\\"
|
|
serno = "%X" % (int(d.SerialNumber) & 0xFFFFFFFF)
|
|
uuid = serno[:4] + '-' + serno[4:]
|
|
file_system = (d.FileSystem).strip()
|
|
size_total = shutil.disk_usage(mount_point)[0]
|
|
size_used = shutil.disk_usage(mount_point)[1]
|
|
size_free = shutil.disk_usage(mount_point)[2]
|
|
for physical_disk in c.Win32_DiskDrive(InterfaceType="USB"):
|
|
for partition in physical_disk.associators("Win32_DiskDriveToDiskPartition"):
|
|
for logical_disk in partition.associators("Win32_LogicalDiskToPartition"):
|
|
if logical_disk.Caption == disk_drive:
|
|
vendor = (physical_disk.PNPDeviceID.split('&VEN_'))[1].split('&PROD_')[0]
|
|
model = (physical_disk.PNPDeviceID.split('&PROD_'))[1].split('&REV_')[0]
|
|
|
|
return {'uuid': uuid, 'file_system': file_system, 'label': label, 'mount_point': mount_point,
|
|
'size_total': size_total, 'size_used': size_used, 'size_free': size_free,
|
|
'vendor': vendor, 'model': model}
|
|
|
|
|
|
def details(usb_disk_part):
|
|
"""
|
|
Populate and get details of an USB disk.
|
|
:param usb_disk_part: USB disk. Example.. "/dev/sdb1" on Linux and "D:\" on Windows.
|
|
:return: label == > returns name/label of an inserted USB device.
|
|
mount_point == > returns mount path of an inserted USB device.
|
|
uuid == > returns uuid of an inserted USB device.
|
|
file_system == > returns type of filesystem of an inserted USB device.
|
|
device == > returns device path of an inserted USB device.
|
|
size_total == > returns total size in MB/GB of an inserted USB device.
|
|
size_free == > returns free size in MB/GB of an inserted USB device.
|
|
size_used == > returns used size in MB/GB of an inserted USB device.
|
|
vendor == > returns the name of the manufacturer.
|
|
model == > returns the model name of the USB.
|
|
"""
|
|
if platform.system() == 'Linux':
|
|
try:
|
|
udev = details_udev(usb_disk_part)
|
|
uuid = udev['uuid']
|
|
file_system = udev['file_system']
|
|
label = udev['label']
|
|
mount_point = udev['mount_point']
|
|
size_total = udev['size_total']
|
|
size_used = udev['size_used']
|
|
size_free = udev['size_free']
|
|
vendor = udev['vendor']
|
|
model = udev['model']
|
|
except:
|
|
udisks2 = details_udisks2(usb_disk_part)
|
|
uuid = udisks2['uuid']
|
|
file_system = udisks2['file_system']
|
|
label = udisks2['label']
|
|
mount_point = udisks2['mount_point']
|
|
size_total = udisks2['size_total']
|
|
size_used = udisks2['size_used']
|
|
size_free = udisks2['size_free']
|
|
vendor = udisks2['vendor']
|
|
model = udisks2['model']
|
|
elif platform.system() == 'Windows':
|
|
win_details = win_disk_details(usb_disk_part)
|
|
uuid = win_details['uuid']
|
|
file_system = win_details['file_system']
|
|
label = win_details['label']
|
|
mount_point = win_details['mount_point']
|
|
size_total = win_details['size_total']
|
|
size_used = win_details['size_used']
|
|
size_free = win_details['size_free']
|
|
vendor = win_details['vendor']
|
|
model = win_details['model']
|
|
|
|
return {'uuid': uuid, 'file_system': file_system, 'label': label, 'mount_point': mount_point,
|
|
'size_total': size_total, 'size_used': size_used, 'size_free': size_free,
|
|
'vendor': vendor, 'model': model}
|
|
|
|
if __name__ == '__main__':
|
|
usb_devices = list()
|
|
if usb_devices is not None:
|
|
for dev in usb_devices:
|
|
print(details(dev))
|