def find_optical_install_media(storage):
"""Find a device with a valid optical install media.
Return the first device containing a valid optical install
media for this product.
:param storage: an instance of Blivet's storage
:return: a device or None
"""
for dev in find_optical_media(storage.devicetree):
mountpoint = tempfile.mkdtemp()
try:
try:
payload_utils.mount_device(dev, mountpoint)
except FSError:
continue
try:
if not verifyMedia(mountpoint):
continue
finally:
payload_utils.unmount_device(dev, mountpoint)
finally:
os.rmdir(mountpoint)
return dev
return None
def find_optical_install_media():
"""Find a device with a valid optical install media.
Return the first device containing a valid optical install
media for this product.
FIXME: This is duplicated in SetUpCdromSourceTask.run
:return: a device name or None
"""
device_tree = STORAGE.get_proxy(DEVICE_TREE)
for dev in device_tree.FindOpticalMedia():
mountpoint = tempfile.mkdtemp()
try:
try:
payload_utils.mount_device(dev, mountpoint)
except MountFilesystemError:
continue
try:
if not is_valid_install_disk(mountpoint):
continue
finally:
payload_utils.unmount_device(dev, mountpoint)
finally:
os.rmdir(mountpoint)
return dev
return None
def run(self, device_name):
retval = None
device_path = payload_utils.get_device_path(device_name)
# FIXME: Use a unique mount point.
mounts = payload_utils.get_mount_paths(device_path)
mountpoint = None
# We have to check both ISO_DIR and the DRACUT_ISODIR because we
# still reference both, even though /mnt/install is a symlink to
# /run/install. Finding mount points doesn't handle the symlink
if constants.ISO_DIR not in mounts and constants.DRACUT_ISODIR not in mounts:
# We're not mounted to either location, so do the mount
mountpoint = constants.ISO_DIR
payload_utils.mount_device(device_name, mountpoint)
# If any directory was chosen, return that. Otherwise, return None.
rc = self.window.run()
if rc == Gtk.ResponseType.OK:
f = self._chooser.get_filename()
if f:
retval = f.replace(constants.ISO_DIR, "")
if not mounts:
payload_utils.unmount_device(device_name, mountpoint)
self.window.destroy()
return retval
def _unmount_device(self):
# FIXME: Unmount a specific mount point.
payload_utils.unmount_device(self._device, mount_point=None)
def _unmount_device(self):
payload_utils.unmount_device(self._device, mount_point=None)