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# Install method for disk image installs (CD & NFS)
from comps import ComponentSet, HeaderList
from installmethod import InstallMethod
import os
import isys
import rpm
import string
import todo
FILENAME = 1000000
class HardDriveInstallMethod(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.makeDevInode(self.device, '/tmp/' + self.device)
isys.mount('/tmp/' + self.device, "/tmp/hdimage",
fstype = self.fstype);
self.tree = "/tmp/hdimage/"
self.isMounted = 1
def umountMedia(self):
if self.isMounted:
isys.umount(self.tree)
self.tree = None
self.isMounted = 0
def readComps(self, hdlist):
self.mountMedia()
cs = ComponentSet(self.tree + self.path +
'/RedHat/base/comps', hdlist)
self.umountMedia()
return cs
def getFilename(self, h):
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 systemMounted(self, fstab, mntPoint):
self.mountMedia()
def filesDone(self):
self.umountMedia()
def __init__(self, device, type, path):
InstallMethod.__init__(self)
self.device = device
self.path = path
self.fstype = type
self.fnames = {}
self.isMounted = 0
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