Source code for windows.winobject.volume
import ctypes
import windows
from windows import winproxy
import windows.generated_def as gdef
from windows.generated_def.winstructs import *
from windows.utils import AutoHandle
import sys
[docs]
class LogicalDrive(AutoHandle):
DRIVE_TYPE = gdef.FlagMapper(DRIVE_UNKNOWN, DRIVE_NO_ROOT_DIR, DRIVE_REMOVABLE,
DRIVE_FIXED, DRIVE_REMOTE, DRIVE_CDROM, DRIVE_RAMDISK)
def __init__(self, name):
self.name = name
@property
def type(self):
"""The type of drive, values are:
* DRIVE_UNKNOWN(0x0L)
* DRIVE_NO_ROOT_DIR(0x1L)
* DRIVE_REMOVABLE(0x2L)
* DRIVE_FIXED(0x3L)
* DRIVE_REMOTE(0x4L)
* DRIVE_CDROM(0x5L)
* DRIVE_RAMDISK(0x6L)
:type: :class:`long` or :class:`int` (or subclass)
"""
t = winproxy.GetDriveTypeW(self.name)
return self.DRIVE_TYPE.get(t,t)
@property
def path(self):
"""The target path of the device
:type: :class:`str`"""
# QueryDosDevice can returns multiple path if DefineDosDevice(AW) was used before
# Looks like its per-process
# But in ths cas the first entry is the effective-one and the others are the previous entries
# https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-querydosdevicea
# The first null-terminated string stored into the buffer is the current mapping for the device. The other null-terminated strings represent undeleted prior mappings for the device.
return query_dos_device(self.name.strip("\\"))[0]
@property
def query_dos_device(self):
return query_dos_device(self.name.strip("\\"))
def query_info(self, info):
return windows.utils.query_volume_information(self.handle, info)
@property
def volume_info(self):
return self.query_info(gdef.FileFsVolumeInformation)
@property
def serial(self):
return self.volume_info.VolumeSerialNumber
def _get_handle(self):
nt_name = windows.utils.dospath_to_ntpath(self.name)
handle = windows.winproxy.CreateFileW(nt_name, gdef.GENERIC_READ,
gdef.FILE_SHARE_READ, None, gdef.OPEN_EXISTING, gdef.FILE_FLAG_BACKUP_SEMANTICS , None)
return handle
def __repr__(self):
return """<{0} "{1}" ({2})>""".format(type(self).__name__, self.name, self.type.name)
def enum_logical_drive():
return [LogicalDrive(name) for name in get_logical_drive_names()]
def get_logical_drive_names():
size = 0x100
buffer = ctypes.create_unicode_buffer(size)
rsize = winproxy.GetLogicalDriveStringsW(size, buffer)
return buffer[:rsize].rstrip(u"\x00").split(u"\x00")
def get_info(drivename):
size = 0x1000
volume_name = ctypes.create_unicode_buffer(size)
fs_name = ctypes.create_unicode_buffer(size)
flags = DWORD()
winproxy.GetVolumeInformationW(drivename, volume_name, size, None, None, ctypes.byref(flags), fs_name, size)
return volume_name[:10], fs_name[:10]
def query_dos_device(name):
size = 0x1000
buffer = ctypes.create_unicode_buffer(size)
rsize = winproxy.QueryDosDeviceW(name, buffer, size)
return buffer[:rsize].rstrip(u"\x00").split(u"\x00")