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249 lines
7.8 KiB
249 lines
7.8 KiB
#
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# installclass.py: This is the prototypical class for workstation, server, and
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# kickstart installs. The interface to BaseInstallClass is *public* --
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# ISVs/OEMs can customize the install by creating a new derived type of this
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# class.
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#
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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# Red Hat, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from distutils.sysconfig import get_python_lib
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import os, sys
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import imputil
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from blivet.partspec import PartSpec
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from blivet.devicelibs import swap
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from blivet.platform import platform
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import logging
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log = logging.getLogger("anaconda")
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from pyanaconda.kickstart import getAvailableDiskSpace
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class BaseInstallClass(object):
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# default to not being hidden
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hidden = 0
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name = "base"
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bootloaderTimeoutDefault = None
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bootloaderExtraArgs = []
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# Anaconda flags several packages to be installed based on the configuration
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# of the system -- things like fs utilities, bootloader, &c. This is a list
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# of packages that we should not try to install using the aforementioned
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# mechanism.
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ignoredPackages = []
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# This flag controls whether or not Anaconda should provide an option to
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# install the latest updates during installation source selection.
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installUpdates = True
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_l10n_domain = None
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# The default filesystem type to use. If None, we will use whatever
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# Blivet uses by default.
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defaultFS = None
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# don't select this class by default
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default = 0
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@property
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def l10n_domain(self):
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if self._l10n_domain is None:
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raise RuntimeError("Localization domain for '%s' not set." %
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self.name)
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return self._l10n_domain
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def setPackageSelection(self, anaconda):
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pass
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def getBackend(self):
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# The default is to return None here, which means anaconda should
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# use live or yum (whichever can be detected). This method is
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# provided as a way for other products to specify their own.
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return None
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def setDefaultPartitioning(self, storage):
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autorequests = [PartSpec(mountpoint="/", fstype=storage.defaultFSType,
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size=1024, maxSize=50*1024, grow=True,
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btr=True, lv=True, thin=True, encrypted=True),
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PartSpec(mountpoint="/home", fstype=storage.defaultFSType,
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size=500, grow=True, requiredSpace=50*1024,
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btr=True, lv=True, thin=True, encrypted=True)]
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bootreqs = platform.setDefaultPartitioning()
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if bootreqs:
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autorequests.extend(bootreqs)
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disk_space = getAvailableDiskSpace(storage)
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swp = swap.swapSuggestion(disk_space=disk_space)
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autorequests.append(PartSpec(fstype="swap", size=swp, grow=False,
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lv=True, encrypted=True))
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for autoreq in autorequests:
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if autoreq.fstype is None:
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if autoreq.mountpoint == "/boot":
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autoreq.fstype = storage.defaultBootFSType
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else:
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autoreq.fstype = storage.defaultFSType
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storage.autoPartitionRequests = autorequests
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def configure(self, anaconda):
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anaconda.bootloader.timeout = self.bootloaderTimeoutDefault
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anaconda.bootloader.boot_args.update(self.bootloaderExtraArgs)
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# sets default ONBOOT values and updates ksdata accordingly
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def setNetworkOnbootDefault(self, ksdata):
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pass
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def __init__(self):
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pass
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allClasses = []
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allClasses_hidden = []
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# returns ( className, classObject, classLogo ) tuples
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def availableClasses(showHidden=0):
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global allClasses
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global allClasses_hidden
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def _ordering(first, second):
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((name1, _), priority1) = first
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((name2, _), priority2) = second
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if priority1 < priority2:
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return -1
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elif priority1 > priority2:
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return 1
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if name1 < name2:
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return -1
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elif name1 > name2:
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return 1
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return 0
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if not showHidden:
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if allClasses:
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return allClasses
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else:
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if allClasses_hidden:
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return allClasses_hidden
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path = []
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env_path = []
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if "ANACONDA_INSTALL_CLASSES" in os.environ:
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env_path += os.environ["ANACONDA_INSTALL_CLASSES"].split(":")
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for d in env_path + ["installclasses",
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"/tmp/updates/pyanaconda/installclasses",
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"/tmp/product/pyanaconda/installclasses",
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"%s/pyanaconda/installclasses" % get_python_lib(plat_specific=1) ]:
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if os.access(d, os.R_OK):
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path.append(d)
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# append the location of installclasses to the python path so we
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# can import them
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sys.path = path + sys.path
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files = []
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for p in reversed(path):
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files += os.listdir(p)
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done = {}
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lst = []
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for fileName in files:
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if fileName[0] == '.':
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continue
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if len (fileName) < 4:
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continue
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if fileName[-3:] != ".py" and fileName[-4:-1] != ".py":
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continue
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mainName = fileName.split(".")[0]
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if done.has_key(mainName):
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continue
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done[mainName] = 1
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try:
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found = imputil.imp.find_module(mainName)
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except ImportError:
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log.warning ("module import of %s failed: %s", mainName, sys.exc_type)
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continue
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try:
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loaded = imputil.imp.load_module(mainName, found[0], found[1], found[2])
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obj = loaded.InstallClass
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if obj.__dict__.has_key('sortPriority'):
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sortOrder = obj.sortPriority
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else:
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sortOrder = 0
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if obj.hidden == 0 or showHidden == 1:
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lst.append(((obj.name, obj), sortOrder))
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except (ImportError, AttributeError):
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log.warning ("module import of %s failed: %s", mainName, sys.exc_type)
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lst.sort(_ordering)
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for (item, _) in lst:
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if showHidden:
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allClasses_hidden += [item]
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else:
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allClasses += [item]
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if showHidden:
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return allClasses_hidden
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else:
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return allClasses
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def getBaseInstallClass():
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# figure out what installclass we should base on.
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allavail = availableClasses(showHidden = 1)
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avail = availableClasses(showHidden = 0)
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if len(avail) == 1:
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(cname, cobject) = avail[0]
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log.info("using only installclass %s", cname)
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elif len(allavail) == 1:
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(cname, cobject) = allavail[0]
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log.info("using only installclass %s", cname)
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# Use the highest priority install class if more than one found.
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elif len(avail) > 1:
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(cname, cobject) = avail.pop()
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log.info('%s is the highest priority installclass, using it', cname)
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elif len(allavail) > 1:
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(cname, cobject) = allavail.pop()
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log.info('%s is the highest priority installclass, using it', cname)
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# Default to the base installclass if nothing else is found.
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else:
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raise RuntimeError("Unable to find an install class to use!!!")
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return cobject
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baseclass = getBaseInstallClass()
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# we need to be able to differentiate between this and custom
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class DefaultInstall(baseclass):
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def __init__(self):
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baseclass.__init__(self)
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