Files
whipper-gui/whipper/program/utils.py
JoeLametta e5961ae04c Report eject's failures as logger warnings
If the eject command exits with an error, the output is logged as a WARNING. I don't think it's a good idea to mask those errors.

Closes #354.

Signed-off-by: JoeLametta <JoeLametta@users.noreply.github.com>
2019-07-07 12:00:00 +00:00

48 lines
1.4 KiB
Python

import os
import subprocess
import logging
logger = logging.getLogger(__name__)
def eject_device(device):
"""
Eject the given device.
"""
logger.debug("ejecting device %s", device)
try:
# `eject device` prints nothing to stdout
subprocess.check_output(['eject', device], stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
logger.warning(e.cmd, 'returned with exit code: ', e.returncode,
e.output)
def load_device(device):
"""
Load the given device.
"""
logger.debug("loading (eject -t) device %s", device)
try:
# `eject -t device` prints nothing to stdout
subprocess.check_output(['eject', '-t', device],
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
logger.warning(e.cmd, 'returned with exit code: ', e.returncode,
e.output)
def unmount_device(device):
"""
Unmount the given device if it is mounted, as happens with automounted
data tracks.
If the given device is a symlink, the target will be checked.
"""
device = os.path.realpath(device)
logger.debug('possibly unmount real path %r', device)
proc = open('/proc/mounts').read()
if device in proc:
print('Device %s is mounted, unmounting' % device)
os.system('umount %s' % device)