231 lines
7.5 KiB
Python
231 lines
7.5 KiB
Python
# Copyright (c) 2006 by Aurelien Foret <orelien@chez.com>
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# Copyright (c) 2006-2014 Pacman Development Team <pacman-dev@archlinux.org>
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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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import os
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import tempfile
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import stat
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import shutil
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from StringIO import StringIO
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import tarfile
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import util
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class pmpkg(object):
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"""Package object.
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Object holding data from an Arch Linux package.
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"""
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def __init__(self, name, version = "1.0-1"):
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self.path = "" #the path of the generated package
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# desc
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self.name = name
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self.version = version
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self.desc = ""
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self.groups = []
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self.url = ""
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self.license = []
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self.arch = ""
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self.builddate = ""
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self.installdate = ""
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self.packager = ""
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self.size = 0
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self.csize = 0
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self.isize = 0
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self.reason = 0
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self.md5sum = "" # sync only
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self.pgpsig = "" # sync only
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self.replaces = []
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self.depends = []
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self.optdepends = []
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self.conflicts = []
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self.provides = []
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# files
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self.files = []
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self.backup = []
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# install
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self.install = {
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"pre_install": "",
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"post_install": "",
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"pre_remove": "",
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"post_remove": "",
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"pre_upgrade": "",
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"post_upgrade": "",
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}
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self.path = None
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self.finalized = False
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def __str__(self):
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s = ["%s" % self.fullname()]
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s.append("description: %s" % self.desc)
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s.append("url: %s" % self.url)
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s.append("files: %s" % " ".join(self.files))
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s.append("reason: %d" % self.reason)
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return "\n".join(s)
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def fullname(self):
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"""Long name of a package.
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Returns a string formatted as follows: "pkgname-pkgver".
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"""
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return "%s-%s" % (self.name, self.version)
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def filename(self):
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"""File name of a package, including its extension.
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Returns a string formatted as follows: "pkgname-pkgver.PKG_EXT_PKG".
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"""
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return "%s%s" % (self.fullname(), util.PM_EXT_PKG)
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@staticmethod
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def parse_filename(name):
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filename = name
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if filename[-1] == "*":
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filename = filename.rstrip("*")
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if filename.find(" -> ") != -1:
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filename, extra = filename.split(" -> ")
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elif filename.find("|") != -1:
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filename, extra = filename.split("|")
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return filename
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def makepkg(self, path):
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"""Creates an Arch Linux package archive.
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A package archive is generated in the location 'path', based on the data
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from the object.
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"""
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archive_files = []
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# .PKGINFO
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data = ["pkgname = %s" % self.name]
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data.append("pkgver = %s" % self.version)
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data.append("pkgdesc = %s" % self.desc)
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data.append("url = %s" % self.url)
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data.append("builddate = %s" % self.builddate)
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data.append("packager = %s" % self.packager)
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data.append("size = %s" % self.size)
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if self.arch:
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data.append("arch = %s" % self.arch)
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for i in self.license:
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data.append("license = %s" % i)
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for i in self.replaces:
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data.append("replaces = %s" % i)
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for i in self.groups:
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data.append("group = %s" % i)
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for i in self.depends:
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data.append("depend = %s" % i)
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for i in self.optdepends:
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data.append("optdepend = %s" % i)
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for i in self.conflicts:
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data.append("conflict = %s" % i)
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for i in self.provides:
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data.append("provides = %s" % i)
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for i in self.backup:
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data.append("backup = %s" % i)
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archive_files.append((".PKGINFO", "\n".join(data)))
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# .INSTALL
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if any(self.install.values()):
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archive_files.append((".INSTALL", self.installfile()))
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self.path = os.path.join(path, self.filename())
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util.mkdir(os.path.dirname(self.path))
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# Generate package metadata
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tar = tarfile.open(self.path, "w:gz")
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for name, data in archive_files:
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info = tarfile.TarInfo(name)
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info.size = len(data)
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tar.addfile(info, StringIO(data))
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# Generate package file system
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for name in self.files:
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fileinfo = util.getfileinfo(name)
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info = tarfile.TarInfo(fileinfo["filename"])
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if fileinfo["hasperms"]:
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info.mode = fileinfo["perms"]
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elif fileinfo["isdir"]:
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info.mode = 0o755
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if fileinfo["isdir"]:
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info.type = tarfile.DIRTYPE
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tar.addfile(info)
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elif fileinfo["islink"]:
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info.type = tarfile.SYMTYPE
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info.linkname = fileinfo["link"]
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tar.addfile(info)
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else:
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# TODO wow what a hack, adding a newline to match mkfile?
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filedata = name + "\n"
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info.size = len(filedata)
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tar.addfile(info, StringIO(filedata))
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tar.close()
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def install_package(self, root):
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"""Install the package in the given root."""
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for f in self.files:
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util.mkfile(root, f, f)
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path = os.path.join(root, f)
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if os.path.isfile(path):
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os.utime(path, (355, 355))
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def filelist(self):
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"""Generate a list of package files."""
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return sorted([self.parse_filename(f) for f in self.files])
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def finalize(self):
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"""Perform any necessary operations to ready the package for use."""
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if self.finalized:
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return
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# add missing parent dirs to file list
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# use bare file names so trailing ' -> ', '*', etc don't throw off the
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# checks for existing files
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file_names = self.filelist()
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for name in list(file_names):
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if os.path.isabs(name):
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raise ValueError("Absolute path in filelist '%s'." % name)
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name = os.path.dirname(name.rstrip("/"))
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while name:
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if name in file_names:
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# path exists as both a file and a directory
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raise ValueError("Duplicate path in filelist '%s'." % name)
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elif name + "/" in file_names:
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# path was either manually included or already processed
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break
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else:
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file_names.append(name + "/")
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self.files.append(name + "/")
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name = os.path.dirname(name)
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self.files.sort()
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self.finalized = True
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def local_backup_entries(self):
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return ["%s\t%s" % (self.parse_filename(i), util.mkmd5sum(i)) for i in self.backup]
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def installfile(self):
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data = []
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for key, value in self.install.items():
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if value:
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data.append("%s() {\n%s\n}\n" % (key, value))
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return "\n".join(data)
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# vim: set ts=4 sw=4 et:
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