382 lines
11 KiB
Python
382 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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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; version 2 of the License.
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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 Library 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 <https://gnu.org/licenses/>.
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import os
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import sys
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import pipes
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from fnmatch import fnmatch
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import kobo.log
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from kobo.shortcuts import force_list, relative_path, run
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# HACK: define cmp in python3
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if sys.version_info[0] == 3:
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def cmp(a, b):
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return (a > b) - (a < b)
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class IsoWrapper(kobo.log.LoggingBase):
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def get_boot_options(self, arch, createfrom, efi=True):
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"""Checks to see what we need as the -b option for mkisofs"""
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if arch in ("arm", "armhfp"):
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result = []
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return result
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if arch in ("aarch64", ):
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result = [
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'-eltorito-alt-boot',
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'-e', 'images/efiboot.img',
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'-no-emul-boot',
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]
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return result
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if arch in ("i386", "i686", "x86_64"):
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result = [
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'-b', 'isolinux/isolinux.bin',
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'-c', 'isolinux/boot.cat',
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'-no-emul-boot',
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'-boot-load-size', '4',
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'-boot-info-table',
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]
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# EFI args
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if arch == "x86_64":
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result.extend([
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'-eltorito-alt-boot',
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'-e', 'images/efiboot.img',
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'-no-emul-boot',
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])
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return result
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if arch == "ia64":
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result = [
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'-b', 'images/boot.img',
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'-no-emul-boot',
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]
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return result
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if arch in ("ppc", "ppc64", "ppc64le"):
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result = [
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'-part',
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'-hfs',
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'-r',
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'-l',
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'-sysid', 'PPC',
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'-no-desktop',
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'-allow-multidot',
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'-chrp-boot',
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"-map", os.path.join(createfrom, 'mapping'), # -map %s/ppc/mapping
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'-hfs-bless', "/ppc/mac", # must be the last
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]
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return result
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if arch == "sparc":
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result = [
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'-G', '/boot/isofs.b',
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'-B', '...',
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'-s', '/boot/silo.conf',
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'-sparc-label', '"sparc"',
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]
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return result
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if arch in ("s390", "s390x"):
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result = [
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# "-no-emul-boot",
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# "-b", "images/cdboot.img",
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# "-c", "boot.cat",
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]
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return result
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raise ValueError("Unknown arch: %s" % arch)
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def _truncate_volid(self, volid):
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if len(volid) > 32:
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old_volid = volid
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volid = volid.replace("-", "")
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self.log_warning("Truncating volume ID from '%s' to '%s'" % (old_volid, volid))
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if len(volid) > 32:
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old_volid = volid
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volid = volid.replace(" ", "")
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self.log_warning("Truncating volume ID from '%s' to '%s'" % (old_volid, volid))
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if len(volid) > 32:
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old_volid = volid
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volid = volid.replace("Supplementary", "Supp")
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self.log_warning("Truncating volume ID from '%s' to '%s'" % (old_volid, volid))
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if len(volid) > 32:
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raise ValueError("Volume ID must be less than 32 character: %s" % volid)
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return volid
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def get_mkisofs_cmd(self, iso, paths, appid=None, volid=None, volset=None, exclude=None, verbose=False, boot_args=None, input_charset="utf-8", graft_points=None):
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# following options are always enabled
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untranslated_filenames = True
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translation_table = True
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joliet = True
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joliet_long = True
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rock = True
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cmd = ["/usr/bin/genisoimage"]
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if appid:
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cmd.extend(["-appid", appid])
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if untranslated_filenames:
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cmd.append("-untranslated-filenames")
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if volid:
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cmd.extend(["-volid", self._truncate_volid(volid)])
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if joliet:
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cmd.append("-J")
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if joliet_long:
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cmd.append("-joliet-long")
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if volset:
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cmd.extend(["-volset", volset])
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if rock:
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cmd.append("-rational-rock")
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if verbose:
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cmd.append("-verbose")
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if translation_table:
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cmd.append("-translation-table")
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if input_charset:
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cmd.extend(["-input-charset", input_charset])
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if exclude:
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for i in force_list(exclude):
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cmd.extend(["-x", i])
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if boot_args:
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cmd.extend(boot_args)
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cmd.extend(["-o", iso])
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if graft_points:
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cmd.append("-graft-points")
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cmd.extend(["-path-list", graft_points])
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else:
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# we're either using graft points or file lists, not both
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cmd.extend(force_list(paths))
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return cmd
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def get_implantisomd5_cmd(self, iso_path, supported=False):
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cmd = ["/usr/bin/implantisomd5"]
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if supported:
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cmd.append("--supported-iso")
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cmd.append(iso_path)
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return cmd
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def get_checkisomd5_cmd(self, iso_path, just_print=False):
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cmd = ["/usr/bin/checkisomd5"]
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if just_print:
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cmd.append("--md5sumonly")
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cmd.append(iso_path)
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return cmd
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def get_implanted_md5(self, iso_path):
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cmd = self.get_checkisomd5_cmd(iso_path, just_print=True)
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retcode, output = run(cmd)
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line = output.splitlines()[0]
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result = line.rsplit(":")[-1].strip()
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return result
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def get_isohybrid_cmd(self, iso_path, arch):
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# isohybrid is in syslinux which is x86 only
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cmd = ["/usr/bin/isohybrid"]
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# uefi is only supported on x86_64
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if arch == "x86_64":
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cmd.append("--uefi")
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cmd.append(iso_path)
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return cmd
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def get_manifest_cmd(self, iso_name):
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return "isoinfo -R -f -i %s | grep -v '/TRANS.TBL$' | sort >> %s.manifest" % (pipes.quote(iso_name), pipes.quote(iso_name))
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def get_volume_id(self, path):
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cmd = ["isoinfo", "-d", "-i", path]
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retcode, output = run(cmd)
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for line in output.splitlines():
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line = line.strip()
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if line.startswith("Volume id:"):
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return line[11:].strip()
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raise RuntimeError("Could not read Volume ID")
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def get_graft_points(self, paths, exclusive_paths=None, exclude=None):
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# path priority in ascending order (1st = lowest prio)
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# paths merge according to priority
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# exclusive paths override whole dirs
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result = {}
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exclude = exclude or []
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exclusive_paths = exclusive_paths or []
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for i in paths:
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if isinstance(i, dict):
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tree = i
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else:
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tree = self._scan_tree(i)
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result = self._merge_trees(result, tree)
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for i in exclusive_paths:
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tree = self._scan_tree(i)
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result = self._merge_trees(result, tree, exclusive=True)
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# TODO: exclude
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return result
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def _paths_from_list(self, root, paths):
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root = os.path.abspath(root).rstrip("/") + "/"
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result = {}
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for i in paths:
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i = os.path.normpath(os.path.join(root, i))
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key = i[len(root):]
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result[key] = i
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return result
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def _scan_tree(self, path):
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path = os.path.abspath(path)
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result = {}
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for root, dirs, files in os.walk(path):
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for f in files:
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abspath = os.path.join(root, f)
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relpath = relative_path(abspath, path.rstrip("/") + "/")
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result[relpath] = abspath
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# include empty dirs
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if root != path:
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abspath = os.path.join(root, "")
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relpath = relative_path(abspath, path.rstrip("/") + "/")
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result[relpath] = abspath
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return result
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def _merge_trees(self, tree1, tree2, exclusive=False):
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# tree2 has higher priority
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result = tree2.copy()
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all_dirs = set([os.path.dirname(i).rstrip("/") for i in result if os.path.dirname(i) != ""])
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for i in tree1:
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dn = os.path.dirname(i)
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if exclusive:
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match = False
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for a in all_dirs:
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if dn == a or dn.startswith("%s/" % a):
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match = True
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break
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if match:
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continue
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if i in result:
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continue
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result[i] = tree1[i]
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return result
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def write_graft_points(self, file_name, h, exclude=None):
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exclude = exclude or []
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result = {}
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seen_dirs = set()
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for i in sorted(h, reverse=True):
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dn = os.path.dirname(i)
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if not i.endswith("/"):
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result[i] = h[i]
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seen_dirs.add(dn)
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continue
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found = False
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for j in seen_dirs:
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if j.startswith(dn):
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found = True
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break
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if not found:
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result[i] = h[i]
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seen_dirs.add(dn)
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f = open(file_name, "w")
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for i in sorted(result, cmp=cmp_graft_points):
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# make sure all files required for boot come first,
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# otherwise there may be problems with booting (large LBA address, etc.)
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found = False
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for excl in exclude:
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if fnmatch(i, excl):
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found = True
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break
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if found:
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continue
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f.write("%s=%s\n" % (i, h[i]))
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f.close()
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def _is_rpm(path):
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if path.endswith(".rpm"):
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return True
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return False
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def _is_image(path):
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if path.startswith("images/"):
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return True
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if path.startswith("isolinux/"):
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return True
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if path.startswith("EFI/"):
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return True
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if path.startswith("etc/"):
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return True
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if path.startswith("ppc/"):
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return True
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if path.endswith(".img"):
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return True
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if path.endswith(".ins"):
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return True
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return False
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def cmp_graft_points(x, y):
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x_is_rpm = _is_rpm(x)
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y_is_rpm = _is_rpm(y)
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x_is_image = _is_image(x)
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y_is_image = _is_image(y)
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if x_is_rpm and y_is_rpm:
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return cmp(x, y)
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if x_is_rpm:
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return 1
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if y_is_rpm:
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return -1
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if x_is_image and y_is_image:
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return cmp(x, y)
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if x_is_image:
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return -1
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if y_is_image:
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return 1
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return cmp(x, y)
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