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#
# harddrive.py - Install method for hard drive installs
#
# Copyright 1999-2002 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.
#
from comps import ComponentSet, HeaderList, HeaderListFromFile
from installmethod import InstallMethod
from image import findIsoImages
import os
import isys
import iutil
import rpm
import string
from rhpl.translate import _, cat, N_
FILENAME = 1000000
# Install from a set of files laid out on the hard drive like a CD
class OldHardDriveInstallMethod(InstallMethod):
def mountMedia(self):
if (self.isMounted):
raise SystemError, "trying to mount already-mounted image!"
f = open("/proc/mounts", "r")
l = f.readlines()
f.close()
for line in l:
s = string.split(line)
if s[0] == "/tmp/" + self.device:
self.tree = s[1] + "/"
return
isys.mount(self.device, "/tmp/hdimage", fstype = self.fstype,
readOnly = 1);
self.tree = "/tmp/hdimage/"
self.isMounted = 1
def umountMedia(self):
if self.isMounted:
isys.umount(self.tree)
self.tree = None
self.isMounted = 0
def readCompsViaMethod(self, hdlist):
self.mountMedia()
cs = ComponentSet(self.tree + self.path +
'/RedHat/base/comps', hdlist)
self.umountMedia()
return cs
def getFilename(self, h, timer):
return self.tree + self.path + "/RedHat/RPMS/" + self.fnames[h]
def readHeaders(self):
self.mountMedia()
hl = []
path = self.tree + self.path + "/RedHat/RPMS"
for n in os.listdir(path):
fd = os.open(path + "/" + n, 0)
try:
(h, isSource) = rpm.headerFromPackage(fd)
if (h and not isSource):
self.fnames[h] = n
hl.append(h)
except:
pass
os.close(fd)
self.umountMedia()
return HeaderList(hl)
def mergeFullHeaders(self, hdlist):
# since we read headers from the disk, we don't need to do this
pass
def systemMounted(self, fsset, chroot, selected):
self.mountMedia()
def filesDone(self):
self.umountMedia()
def protectedPartitions(self):
rc = []
rc.append(self.device)
return rc
def __init__(self, device, type, path):
InstallMethod.__init__(self)
self.device = device
self.path = path
self.fstype = type
self.fnames = {}
self.isMounted = 0
# Install from one or more iso images
class HardDriveInstallMethod(InstallMethod):
# mounts disc image cdNum under self.tree
def mountMedia(self, cdNum):
if (self.mediaIsMounted):
raise SystemError, "trying to mount already-mounted iso image!"
self.mountDirectory()
isoImage = self.isoDir + '/' + self.path + '/' + self.discImages[cdNum]
isys.makeDevInode("loop3", "/tmp/loop3")
isys.losetup("/tmp/loop3", isoImage, readOnly = 1)
isys.mount("loop3", "/tmp/isomedia", fstype = 'iso9660', readOnly = 1);
self.tree = "/tmp/isomedia/"
self.mediaIsMounted = cdNum
def umountMedia(self):
if self.mediaIsMounted:
isys.umount(self.tree)
isys.makeDevInode("loop3", "/tmp/loop3")
isys.unlosetup("/tmp/loop3")
self.umountDirectory()
self.tree = None
self.mediaIsMounted = 0
# This mounts the directory containing the iso images, and places the
# mount point in self.isoDir. It's only used directly by __init__;
# everything else goes through mountMedia
def mountDirectory(self):
if (self.isoDirIsMounted):
raise SystemError, "trying to mount already-mounted image!"
f = open("/proc/mounts", "r")
l = f.readlines()
f.close()
for line in l:
s = string.split(line)
if s[0] == "/tmp/" + self.device:
self.isoDir = s[1] + "/"
return
isys.mount(self.device, "/tmp/isodir", fstype = self.fstype,
readOnly = 1);
self.isoDir = "/tmp/isodir/"
self.isoDirIsMounted = 1
def umountDirectory(self):
if self.isoDirIsMounted:
isys.umount(self.isoDir)
self.tree = None
self.isoDirIsMounted = 0
def readCompsViaMethod(self, hdlist):
self.mountMedia(1)
cs = ComponentSet(self.tree + '/RedHat/base/comps', hdlist)
self.umountMedia()
return cs
def getFilename(self, h, timer):
if self.mediaIsMounted != h[1000002]:
self.umountMedia()
self.mountMedia(h[1000002])
return self.tree + "/RedHat/RPMS/" + h[1000000]
def readHeaders(self):
self.mountMedia(1)
hl = HeaderListFromFile(self.tree + "/RedHat/base/hdlist")
self.umountMedia()
# Make sure all of the correct CD images are available
for h in hl.values():
import sys
if not self.discImages.has_key(h[1000002]):
self.messageWindow(_("Error"),
_("Missing CD #%d, which is required for the "
"install.") % h[1000002])
sys.exit(0)
return hl
def mergeFullHeaders(self, hdlist):
self.mountMedia(1)
hdlist.mergeFullHeaders(self.tree + "/RedHat/base/hdlist2")
self.umountMedia()
def systemMounted(self, fsset, mntPoint, selected):
self.mountMedia(1)
def systemUnmounted(self):
self.umountMedia()
def filesDone(self):
self.umountMedia()
def protectedPartitions(self):
rc = []
rc.append(self.device)
return rc
def __init__(self, device, type, path, messageWindow):
InstallMethod.__init__(self)
self.device = device
self.path = path
self.fstype = type
self.fnames = {}
self.isoDirIsMounted = 0
self.mediaIsMounted = 0
self.messageWindow = messageWindow
# Go ahead and poke through the directory looking for interesting
# iso images
self.mountDirectory()
self.discImages = findIsoImages(self.isoDir + '/' + self.path, messageWindow)
self.umountDirectory()
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