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_media(self):
"""Find all devices with mountable optical media.
:return: a list of device names
"""
devices = find_optical_media(self.storage.devicetree)
return [d.name for d in devices]
def find_optical_media(self):
"""Find all devices with mountable optical media.
:return: a list of device names
"""
devices = find_optical_media(self.storage.devicetree)
return [d.name for d in devices]