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336 lines
10 KiB
336 lines
10 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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import os, sys, iutil
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import isys
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import string
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import language
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import imputil
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import types
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from constants import *
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from meh.filer import *
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from product import *
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from storage.partspec import *
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import gettext
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_ = lambda x: gettext.ldgettext("anaconda", x)
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import logging
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log = logging.getLogger("anaconda")
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from flags import flags
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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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pixmap = None
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showMinimal = 1
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showLoginChoice = 0
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_description = ""
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_descriptionFields = ()
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name = "base"
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pkgstext = ""
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# default to showing the packages selection and upgrade options
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showPackageSelection = True
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showUpgrade = True
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bootloaderTimeoutDefault = None
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bugFiler = AbstractFiler(product.bugUrl, product.bugUrl,
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product.productVersion, product.productName)
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# list of of (txt, grplist) tuples for task selection screen
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tasks = []
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# don't select this class by default
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default = 0
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# by default, place this under the "install" category; it gets it's
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# own toplevel category otherwise
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parentClass = ( _("Install on System"), "install.png" )
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def _get_description(self):
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return _(self._description) % self._descriptionFields
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description = property(_get_description)
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def postAction(self, anaconda):
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anaconda.backend.postAction(anaconda)
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def setSteps(self, anaconda):
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dispatch = anaconda.dispatch
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dispatch.setStepList(
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"language",
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"keyboard",
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"welcome",
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"filtertype",
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"filter",
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"storageinit",
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"findrootparts",
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"betanag",
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"installtype",
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"cleardiskssel",
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"parttype",
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"autopartitionexecute",
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"partition",
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"storagedone",
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"bootloadersetup",
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"bootloader",
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"network",
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"timezone",
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"accounts",
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"reposetup",
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"basepkgsel",
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"tasksel",
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"postselection",
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"confirminstall",
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"reipl",
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"install",
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"enablefilesystems",
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"setuptime",
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"preinstallconfig",
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"installpackages",
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"postinstallconfig",
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"writeconfig",
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"firstboot",
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"instbootloader",
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"dopostaction",
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"postscripts",
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"writeksconfig",
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"methodcomplete",
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"copylogs",
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"setfilecon",
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"complete"
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)
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if not BETANAG:
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dispatch.skipStep("betanag", permanent=1)
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if not iutil.isX86():
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dispatch.skipStep("bootloader", permanent=1)
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# allow backends to disable interactive package selection
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if not self.showPackageSelection or not anaconda.backend.supportsPackageSelection:
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dispatch.skipStep("tasksel", skip = 1, permanent=1)
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dispatch.skipStep("group-selection", skip = 1, permanent=1)
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# allow install classes to turn off the upgrade
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if not self.showUpgrade or not anaconda.backend.supportsUpgrades:
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dispatch.skipStep("findrootparts", skip = 1)
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# 'noupgrade' can be used on the command line to force not looking
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# for partitions to upgrade. useful in some cases...
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if flags.cmdline.has_key("noupgrade"):
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dispatch.skipStep("findrootparts", skip = 1)
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# upgrade will also always force looking for an upgrade.
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if flags.cmdline.has_key("upgrade"):
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dispatch.skipStep("findrootparts", skip = 0)
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# if there's only one install class, it doesn't make much sense
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# to show it
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if len(availableClasses()) < 2:
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dispatch.skipStep("installtype", permanent=1)
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# allow interface backends to skip certain steps.
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anaconda.intf.setSteps(anaconda)
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# modifies the uri from installmethod.getMethodUri() to take into
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# account any installclass specific things including multiple base
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# repositories. takes a string or list of strings, returns a dict
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# with string keys and list values {%repo: %uri_list}
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def getPackagePaths(self, uri):
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if not type(uri) == types.ListType:
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uri = [uri,]
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return {'base': uri}
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def setPackageSelection(self, anaconda):
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pass
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def setGroupSelection(self, anaconda):
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grps = anaconda.backend.getDefaultGroups(anaconda)
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map(lambda x: anaconda.backend.selectGroup(x), grps)
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def getBackend(self):
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# this should be overriden in distro install classes
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from backend import AnacondaBackend
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return AnacondaBackend
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def setDefaultPartitioning(self, storage, platform):
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autorequests = [PartSpec(mountpoint="/boot", fstype=storage.defaultBootFSType,
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size=512, maxSize=2*1024, grow=False, asVol=False),
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PartSpec(mountpoint="/", fstype=storage.defaultFSType,
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size=1024, grow=True, asVol=True, requiredSpace=50*1024)]
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bootreq = platform.setDefaultPartitioning()
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if bootreq:
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autorequests.extend(bootreq)
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(minswap, maxswap) = iutil.swapSuggestion()
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autorequests.append(PartSpec(fstype="swap", size=minswap, maxSize=maxswap,
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grow=True, asVol=True))
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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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def versionMatches(self, oldver):
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pass
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def productMatches(self, oldprod):
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pass
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def productUpgradable(self, oldprod, oldver):
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return self.productMatches(oldprod) and self.versionMatches(oldver)
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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, obj, logo), priority1) = first
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((name2, obj, logo), 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: return allClasses
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else:
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if allClasses_hidden: return allClasses_hidden
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if os.access("installclasses", os.R_OK):
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path = "installclasses"
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elif os.access("/tmp/updates/installclasses", os.R_OK):
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path = "/tmp/updates/installclasses"
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elif os.access("/tmp/product/installclasses", os.R_OK):
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path = "/tmp/product/installclasses"
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else:
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path = "/usr/lib/anaconda/installclasses"
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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.insert(0, path)
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files = os.listdir(path)
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done = {}
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list = []
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for file in files:
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if file[0] == '.': continue
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if len (file) < 4:
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continue
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if file[-3:] != ".py" and file[-4:-1] != ".py":
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continue
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mainName = string.split(file, ".")[0]
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if done.has_key(mainName): 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:
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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.__dict__.has_key('arch'):
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if obj.arch != iutil.getArch():
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obj.hidden = 1
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if obj.hidden == 0 or showHidden == 1:
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list.append(((obj.name, obj, obj.pixmap), sortOrder))
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except:
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log.warning ("module import of %s failed: %s" % (mainName, sys.exc_type))
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if flags.debug: raise
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else: continue
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list.sort(_ordering)
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for (item, priority) in list:
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if showHidden:
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allClasses_hidden.append(item)
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else:
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allClasses.append(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, clogo) = 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, clogo) = 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, clogo) = 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, clogo) = 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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BaseInstallClass.__init__(self)
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