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|
#
# floppy.py - floppy drive probe and bootdisk creation
#
# Erik Troan <ewt@redhat.com>
#
# Copyright 2001 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import isys
import errno
import iutil
import re
import os
import rpm
from constants import *
from log import log
from flags import flags
from translate import _
def probeFloppyDevice():
fdDevice = "fd0"
if iutil.getArch() == "sparc":
try:
f = open(fdDevice, "r")
except IOError, (errnum, msg):
if errno.errorcode[errnum] == 'ENXIO':
fdDevice = "fd1"
else:
f.close()
elif iutil.getArch() == "alpha":
pass
elif iutil.getArch() == "i386" or iutil.getArch() == "ia64":
# Look for the first IDE floppy device
drives = isys.floppyDriveDict()
if not drives:
log("no IDE floppy devices found")
return fdDevice
floppyDrive = drives.keys()[0]
# need to go through and find if there is an LS-120
for dev in drives.keys():
if re.compile(".*[Ll][Ss]-120.*").search(drives[dev]):
floppyDrive = dev
# No IDE floppy's -- we're fine w/ /dev/fd0
if not floppyDrive: return fdDevice
if iutil.getArch() == "ia64":
fdDevice = floppyDrive
log("anaconda floppy device is %s", fdDevice)
return fdDevice
# Look in syslog for a real fd0 (which would take precedence)
try:
f = open("/tmp/syslog", "r")
except IOError:
try:
f = open("/var/log/dmesg", "r")
except IOError:
return fdDevice
for line in f.readlines():
# chop off the loglevel (which init's syslog leaves behind)
line = line[3:]
match = "Floppy drive(s): "
if match == line[:len(match)]:
# Good enough
floppyDrive = "fd0"
break
fdDevice = floppyDrive
else:
raise SystemError, "cannot determine floppy device for this arch"
log("anaconda floppy device is %s", fdDevice)
return fdDevice
def makeBootdisk (intf, floppyDevice, hdList, instPath):
if flags.test:
return DISPATCH_NOOP
# this is faster then waiting on mkbootdisk to fail
device = floppyDevice
file = "/tmp/floppy"
isys.makeDevInode(device, file)
try:
fd = os.open(file, os.O_RDONLY)
except:
return DISPATCH_BACK
os.close(fd)
kernel = hdList['kernel']
kernelTag = "-%s-%s" % (kernel[rpm.RPMTAG_VERSION],
kernel[rpm.RPMTAG_RELEASE])
w = intf.waitWindow (_("Creating"), _("Creating boot disk..."))
rc = iutil.execWithRedirect("/sbin/mkbootdisk",
[ "/sbin/mkbootdisk",
"--noprompt",
"--device",
"/dev/" + floppyDevice,
kernelTag[1:] ],
stdout = '/dev/tty5', stderr = '/dev/tty5',
searchPath = 1, root = instPath)
w.pop()
if rc:
return DISPATCH_BACK
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