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multibootusb/scripts/qemu.py
2016-11-06 16:48:53 +05:30

196 lines
8.3 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Name: qemu.py
# Purpose: Module to boot ISO and USB disks using QEMU.
# Depends: QEMU must be installed under Linux for availing this feature. For windows, QEMU package is shipped
# along with executable file
# 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 os
import subprocess
import platform
from .admin import adminCmd
from PyQt5 import QtWidgets
from .gui.ui_multibootusb import Ui_Dialog
from .gen import *
class Qemu(QtWidgets.QDialog, Ui_Dialog):
"""
ISO and USB booting using QEMU.
"""
def on_Qemu_Browse_iso_Click(self):
"""
Browse and choose an ISO.
:return:
"""
self.ui.lineEdit_2.clear()
qemu = self.check_qemu_exist()
if not qemu is None:
qemu_iso_link = QtWidgets.QFileDialog.getOpenFileName(self, 'Select an iso...', "", "ISO Files (*.iso)")[0]
else:
print("QEMU does not exist.\nPlease install qemu package to avail this feature.")
QtWidgets.QMessageBox.information(self, 'No QEMU...', 'Please install qemu package to avail this feature.')
qemu_iso_link = None
if not qemu_iso_link is None:
self.ui.lineEdit_2.insert(qemu_iso_link)
else:
print ("File not selected.")
def on_Qemu_Boot_iso_Click(self):
"""
Main function to boot a selected ISO.
:return:
"""
if not self.ui.lineEdit_2.text():
QtWidgets.QMessageBox.information(self, 'No ISO...', 'No ISO selected.\n\nPlease choose an iso and click Boot ISO.')
else:
qemu = self.check_qemu_exist()
qemu_iso_link = str(self.ui.lineEdit_2.text())
if qemu is None:
print("QEMU does not exist.\nPlease install qemu package to avail this feature.")
QtWidgets.QMessageBox.information(self, 'No QEMU...', 'Please install qemu to avail this feature.')
else:
ram = self.qemu_iso_ram()
if not ram is None:
self.ui.lineEdit_2.clear()
if platform.system() == "Windows":
try:
print("Executing ==> " + qemu + " -cdrom " + str(qemu_iso_link) + " -boot d -m " + ram)
subprocess.Popen(qemu + " -cdrom " + str(qemu_iso_link) + " -boot d -m " + ram, shell=True)
except:
QtWidgets.QMessageBox.information(self, 'Error...', 'Unable to start QEMU.')
else:
print(qemu + ' -m ' + ram + ' -cdrom ' + str(qemu_iso_link) + ' -boot d')
try:
print("Executing ==> " + qemu + " -cdrom " + str(qemu_iso_link) + " -boot d -m " + ram)
subprocess.Popen(qemu + " -cdrom " + str(qemu_iso_link) + " -boot d -m " + ram, shell=True)
except:
QtWidgets.QMessageBox.information(self, 'Error...', 'Error booting ISO\n'
'Unable to start QEMU.')
else:
QtWidgets.QMessageBox.information(self, 'No ram...', 'No ram selected.\n\nPlease choose any ram value and click Boot ISO.')
def on_Qemu_Boot_usb_Click(self, usb_disk):
"""
Main function to boot a selected USB disk.
:param usb_disk: Path to usb disk.
:return:
"""
qemu = self.check_qemu_exist()
if qemu is None:
print("QEMU does not exist.\nPlease install qemu package to avail this feature.")
QtWidgets.QMessageBox.information(self, 'No QEMU...', 'Please install qemu to avail this feature.')
else:
ram = self.qemu_usb_ram()
if ram is None:
QtWidgets.QMessageBox.information(self, 'No ram...', 'No ram selected.\n\nPlease choose any ram value and click Boot USB.')
else:
if platform.system() == "Windows":
disk_number = self.get_physical_disk_number(usb_disk)
parent_dir = os.getcwd()
os.chdir(resource_path(os.path.join("data", "tools", "qemu")))
try:
print("Executing ==> " + qemu + " -L . -boot c -m " + ram + " -hda //./PhysicalDrive" + disk_number)
subprocess.Popen("qemu-system-x86_64.exe -L . -boot c -m " + ram + " -hda //./PhysicalDrive" + disk_number, shell=True)
except:
QtWidgets.QMessageBox.information(self, 'Error...', 'Error booting USB\n'
'Unable to start QEMU.')
os.chdir(parent_dir)
elif platform.system() == "Linux":
try:
qemu_cmd = qemu + ' -hda ' + usb_disk[:-1] + ' -m ' + ram + ' -vga std'
print('Executing ==>', qemu_cmd)
# adminCmd([qemu, '-hda', usb_disk[:-1], '-m', ram, '-vga std'], gui=True)
subprocess.Popen(qemu_cmd, shell=True)
# adminCmd(qemu_cmd, gui=True)
except:
QtWidgets.QMessageBox.information(self, 'Error...', 'Error booting USB\n\nUnable to start QEMU.')
def qemu_iso_ram(self):
"""
Choose a ram size for ISO booting.
:return: Ram size as string.
"""
if self.ui.ram_iso_256.isChecked():
return str(256)
elif self.ui.ram_iso_512.isChecked():
return str(512)
elif self.ui.ram_iso_768.isChecked():
return str(768)
elif self.ui.ram_iso_1024.isChecked():
return str(1024)
elif self.ui.ram_iso_2048.isChecked():
return str(2048)
else:
return None
def qemu_usb_ram(self):
"""
Choose a ram size for USB booting.
:return: Ram size as string.
"""
if self.ui.ram_usb_256.isChecked():
return str(256)
if self.ui.ram_usb_512.isChecked():
return str(512)
if self.ui.ram_usb_768.isChecked():
return str(768)
if self.ui.ram_usb_1024.isChecked():
return str(1024)
if self.ui.ram_usb_2048.isChecked():
return str(2048)
else:
return None
def check_qemu_exist(self):
"""
Check if QEMU is available on host system.
:return: path to QEMU program or None otherwise.
"""
if platform.system() == "Linux":
if subprocess.call('which qemu-system-x86_64', shell=True) == 0:
print("qemu-system-x86_64 exists...")
qemu = "qemu-system-x86_64"
elif subprocess.call('which qemu', shell=True) == 0:
print("qemu exists")
qemu = "qemu"
else:
qemu = None
if qemu:
return qemu
else:
return None
elif platform.system() == "Windows":
print(resource_path(os.path.join("data", "tools", "qemu", "qemu-system-x86_64.exe")))
return resource_path(os.path.join("data", "tools", "qemu", "qemu-system-x86_64.exe"))
def get_physical_disk_number(self, usb_disk):
"""
Get the physical disk number as detected ny Windows.
:param usb_disk: USB disk (Like F:)
:return: Disk number.
"""
import wmi
c = wmi.WMI ()
for physical_disk in c.Win32_DiskDrive ():
for partition in physical_disk.associators ("Win32_DiskDriveToDiskPartition"):
for logical_disk in partition.associators ("Win32_LogicalDiskToPartition"):
if logical_disk.Caption == usb_disk:
"""
print physical_disk.Caption
print partition.Caption
print logical_disk.Caption
"""
print("Physical Device Number is " + partition.Caption[6:-14])
return str(partition.Caption[6:-14])