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#
# installmethod.py - Base class for install methods
#
# 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.
#
import os
import string
from hdrlist import groupSetFromCompsFile
from rhpl.log import log
class FileCopyException(Exception):
def __init__(self, s = ""):
self.str = s
class InstallMethod:
# find best match from several locations for a file
def findBestFileMatch(self, treebase, file):
# look in /tmp/updates first
rc = None
tryloc = ["/tmp/updates"]
if treebase is not None:
tryloc.append(treebase + "/RHupdates")
tryloc.append(treebase + "/RedHat/base")
for pre in tryloc:
tmpname = pre + "/" + file
if os.access(tmpname, os.R_OK):
log("Using file://%s", tmpname)
return "file://%s" %(tmpname,)
log("Unable to find %s", file)
return None
def protectedPartitions(self):
return None
def readCompsViaMethod(self, hdlist):
pass
def readComps(self, hdlist):
# see if there is a comps in PYTHONPATH, otherwise fall thru
# to method dependent location
path = None
if os.environ.has_key('PYTHONPATH'):
for f in string.split(os.environ['PYTHONPATH'], ":"):
if os.access (f+"/comps", os.X_OK):
path = f+"/comps"
break
if path:
return groupSetFromCompsFile(path, hdlist)
else:
return self.readCompsViaMethod(hdlist)
pass
def getTempPath(self):
root = self.rootPath
pathlist = [ "/var/tmp", "/tmp",
"/." ]
tmppath = None
for p in pathlist:
if (os.access(root + p, os.X_OK)):
tmppath = root + p + "/"
break
if tmppath is None:
raise RuntimeError, "Unable to find temp path"
return tmppath
def getFilename(self, h, timer, callback=None):
pass
def readHeaders(self):
pass
def systemUnmounted(self):
pass
def systemMounted(self, fstab, mntPoint):
pass
def filesDone(self):
pass
def unlinkFilename(self, fullName):
pass
def __init__(self, rootpath):
self.rootPath = rootpath
pass
def getSourcePath(self):
pass
def unmountCD(self):
pass
def ejectCD(self):
pass
# this handles any cleanup needed for the method. it occurs *very* late
# (ie immediately before the congratulations screen). main use right now
# is ejecting the cdrom
def doMethodComplete(method):
method.ejectCD()
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