Move image sections to wk/clone/image.py

This commit is contained in:
2Shirt 2023-08-13 17:46:31 -07:00
parent a12995b37d
commit e7642bdc63
Signed by: 2Shirt
GPG key ID: 152FAC923B0E132C
3 changed files with 111 additions and 89 deletions

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@ -2,5 +2,6 @@
from . import block_pair from . import block_pair
from . import ddrescue from . import ddrescue
from . import image
from . import menus from . import menus
from . import state from . import state

109
scripts/wk/clone/image.py Normal file
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@ -0,0 +1,109 @@
"""WizardKit: ddrescue TUI - State"""
# vim: sts=2 sw=2 ts=2
import atexit
import logging
import pathlib
import plistlib
import re
from wk import exe
from wk.std import PLATFORM
from wk.ui import cli
# STATIC VARIABLES
LOG = logging.getLogger(__name__)
# Functions
def mount_raw_image(path) -> pathlib.Path:
"""Mount raw image using OS specific methods, returns pathlib.Path."""
loopback_path = None
if PLATFORM == 'Darwin':
loopback_path = mount_raw_image_macos(path)
elif PLATFORM == 'Linux':
loopback_path = mount_raw_image_linux(path)
# Check
if not loopback_path:
cli.print_error(f'Failed to mount image: {path}')
# Register unmount atexit
atexit.register(unmount_loopback_device, loopback_path)
# Done
return loopback_path
def mount_raw_image_linux(path) -> pathlib.Path:
"""Mount raw image using losetup, returns pathlib.Path."""
loopback_path = None
# Mount using losetup
cmd = [
'sudo',
'losetup',
'--find',
'--partscan',
'--show',
path,
]
proc = exe.run_program(cmd, check=False)
# Check result
if proc.returncode == 0:
loopback_path = proc.stdout.strip()
# Done
return loopback_path
def mount_raw_image_macos(path) -> pathlib.Path:
"""Mount raw image using hdiutil, returns pathlib.Path."""
loopback_path = None
plist_data = {}
# Mount using hdiutil
# plistdata['system-entities'][{}...]
cmd = [
'hdiutil', 'attach',
'-imagekey', 'diskimage-class=CRawDiskImage',
'-nomount',
'-plist',
'-readonly',
path,
]
proc = exe.run_program(cmd, check=False, encoding=None, errors=None)
# Check result
try:
plist_data = plistlib.loads(proc.stdout)
except plistlib.InvalidFileException:
return None
for dev in plist_data.get('system-entities', []):
dev_path = dev.get('dev-entry', '')
if re.match(r'^/dev/disk\d+$', dev_path):
loopback_path = dev_path
# Done
return loopback_path
def unmount_loopback_device(path) -> None:
"""Unmount loopback device using OS specific methods."""
cmd = []
# Build OS specific cmd
if PLATFORM == 'Darwin':
cmd = ['hdiutil', 'detach', path]
elif PLATFORM == 'Linux':
cmd = ['sudo', 'losetup', '--detach', path]
# Unmount loopback device
exe.run_program(cmd, check=False)
if __name__ == '__main__':
print("This file is not meant to be called directly.")

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@ -1,7 +1,6 @@
"""WizardKit: ddrescue TUI - State""" """WizardKit: ddrescue TUI - State"""
# vim: sts=2 sw=2 ts=2 # vim: sts=2 sw=2 ts=2
import atexit
import datetime import datetime
import json import json
import logging import logging
@ -22,6 +21,7 @@ import pytz
from wk import cfg, debug, exe, io, log, net, std from wk import cfg, debug, exe, io, log, net, std
from wk.clone import menus from wk.clone import menus
from wk.clone.block_pair import BlockPair from wk.clone.block_pair import BlockPair
from wk.clone.image import mount_raw_image
from wk.hw import disk as hw_disk from wk.hw import disk as hw_disk
from wk.hw.smart import ( from wk.hw.smart import (
check_attributes, check_attributes,
@ -1321,80 +1321,6 @@ def get_working_dir(mode, destination, force_local=False) -> pathlib.Path:
return working_dir return working_dir
def mount_raw_image(path) -> pathlib.Path:
"""Mount raw image using OS specific methods, returns pathlib.Path."""
loopback_path = None
if PLATFORM == 'Darwin':
loopback_path = mount_raw_image_macos(path)
elif PLATFORM == 'Linux':
loopback_path = mount_raw_image_linux(path)
# Check
if not loopback_path:
cli.print_error(f'Failed to mount image: {path}')
# Register unmount atexit
atexit.register(unmount_loopback_device, loopback_path)
# Done
return loopback_path
def mount_raw_image_linux(path) -> pathlib.Path:
"""Mount raw image using losetup, returns pathlib.Path."""
loopback_path = None
# Mount using losetup
cmd = [
'sudo',
'losetup',
'--find',
'--partscan',
'--show',
path,
]
proc = exe.run_program(cmd, check=False)
# Check result
if proc.returncode == 0:
loopback_path = proc.stdout.strip()
# Done
return loopback_path
def mount_raw_image_macos(path) -> pathlib.Path:
"""Mount raw image using hdiutil, returns pathlib.Path."""
loopback_path = None
plist_data = {}
# Mount using hdiutil
# plistdata['system-entities'][{}...]
cmd = [
'hdiutil', 'attach',
'-imagekey', 'diskimage-class=CRawDiskImage',
'-nomount',
'-plist',
'-readonly',
path,
]
proc = exe.run_program(cmd, check=False, encoding=None, errors=None)
# Check result
try:
plist_data = plistlib.loads(proc.stdout)
except plistlib.InvalidFileException:
return None
for dev in plist_data.get('system-entities', []):
dev_path = dev.get('dev-entry', '')
if re.match(r'^/dev/disk\d+$', dev_path):
loopback_path = dev_path
# Done
return loopback_path
def select_disk_obj(label:str, disk_menu: cli.Menu, disk_path: str) -> hw_disk.Disk: def select_disk_obj(label:str, disk_menu: cli.Menu, disk_path: str) -> hw_disk.Disk:
"""Get disk based on path or menu selection, returns Disk.""" """Get disk based on path or menu selection, returns Disk."""
if not disk_path: if not disk_path:
@ -1453,19 +1379,5 @@ def set_mode(docopt_args) -> str:
return mode return mode
def unmount_loopback_device(path) -> None:
"""Unmount loopback device using OS specific methods."""
cmd = []
# Build OS specific cmd
if PLATFORM == 'Darwin':
cmd = ['hdiutil', 'detach', path]
elif PLATFORM == 'Linux':
cmd = ['sudo', 'losetup', '--detach', path]
# Unmount loopback device
exe.run_program(cmd, check=False)
if __name__ == '__main__': if __name__ == '__main__':
print("This file is not meant to be called directly.") print("This file is not meant to be called directly.")