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#! /usr/bin/python
#
# Copyright (c) 2006 by Aurelien Foret <orelien@chez.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import tempfile
import stat
import shutil
from StringIO import StringIO
import tarfile
import util
class pmpkg(object):
"""Package object.
Object holding data from an Arch Linux package.
"""
def __init__(self, name, version = "1.0-1"):
self.path = "" #the path of the generated package
# desc
self.name = name
self.version = version
self.desc = ""
self.groups = []
self.url = ""
self.license = []
self.arch = ""
self.builddate = ""
self.installdate = ""
self.packager = ""
self.size = 0
self.csize = 0
self.isize = 0
self.reason = 0
self.md5sum = "" # sync only
self.pgpsig = "" # sync only
self.replaces = []
self.depends = []
self.optdepends = []
self.conflicts = []
self.provides = []
# files
self.files = []
self.backup = []
# install
self.install = {
"pre_install": "",
"post_install": "",
"pre_remove": "",
"post_remove": "",
"pre_upgrade": "",
"post_upgrade": "",
}
self.path = None
def __str__(self):
s = ["%s" % self.fullname()]
s.append("description: %s" % self.desc)
s.append("url: %s" % self.url)
s.append("files: %s" % " ".join(self.files))
s.append("reason: %d" % self.reason)
return "\n".join(s)
def fullname(self):
"""Long name of a package.
Returns a string formatted as follows: "pkgname-pkgver".
"""
return "%s-%s" % (self.name, self.version)
def filename(self):
"""File name of a package, including its extension.
Returns a string formatted as follows: "pkgname-pkgver.PKG_EXT_PKG".
"""
return "%s%s" % (self.fullname(), util.PM_EXT_PKG)
@staticmethod
def parse_filename(name):
filename = name
if filename[-1] == "*":
filename = filename.rstrip("*")
if filename.find(" -> ") != -1:
filename, extra = filename.split(" -> ")
elif filename.find("|") != -1:
filename, extra = filename.split("|")
return filename
def makepkg(self, path):
"""Creates an Arch Linux package archive.
A package archive is generated in the location 'path', based on the data
from the object.
"""
archive_files = []
# .PKGINFO
data = ["pkgname = %s" % self.name]
data.append("pkgver = %s" % self.version)
data.append("pkgdesc = %s" % self.desc)
data.append("url = %s" % self.url)
data.append("builddate = %s" % self.builddate)
data.append("packager = %s" % self.packager)
data.append("size = %s" % self.size)
if self.arch:
data.append("arch = %s" % self.arch)
for i in self.license:
data.append("license = %s" % i)
for i in self.replaces:
data.append("replaces = %s" % i)
for i in self.groups:
data.append("group = %s" % i)
for i in self.depends:
data.append("depend = %s" % i)
for i in self.optdepends:
data.append("optdepend = %s" % i)
for i in self.conflicts:
data.append("conflict = %s" % i)
for i in self.provides:
data.append("provides = %s" % i)
for i in self.backup:
data.append("backup = %s" % i)
archive_files.append((".PKGINFO", "\n".join(data)))
# .INSTALL
if any(self.install.values()):
archive_files.append((".INSTALL", self.installfile()))
self.path = os.path.join(path, self.filename())
util.mkdir(os.path.dirname(self.path))
# Generate package metadata
tar = tarfile.open(self.path, "w:gz")
for name, data in archive_files:
info = tarfile.TarInfo(name)
info.size = len(data)
tar.addfile(info, StringIO(data))
# Generate package file system
for name in self.files:
fileinfo = util.getfileinfo(name)
info = tarfile.TarInfo(fileinfo["filename"])
if fileinfo["hasperms"]:
info.mode = fileinfo["perms"]
if fileinfo["isdir"]:
info.type = tarfile.DIRTYPE
tar.addfile(info)
elif fileinfo["islink"]:
info.type = tarfile.SYMTYPE
info.linkname = fileinfo["link"]
tar.addfile(info)
else:
# TODO wow what a hack, adding a newline to match mkfile?
filedata = name + "\n"
info.size = len(filedata)
tar.addfile(info, StringIO(filedata))
tar.close()
def install_package(self, root):
"""Install the package in the given root."""
for f in self.files:
util.mkfile(root, f, f)
path = os.path.join(root, f)
if os.path.isfile(path):
os.utime(path, (355, 355))
def full_filelist(self):
"""Generate a list of package files.
Each path is decomposed to generate the list of all directories leading
to the file.
Example with 'usr/local/bin/dummy':
The resulting list will be:
usr/
usr/local/
usr/local/bin/
usr/local/bin/dummy
"""
file_set = set()
for name in self.files:
name = self.parse_filename(name)
file_set.add(name)
while "/" in name:
name, tmp = name.rsplit("/", 1)
file_set.add(name + "/")
return sorted(file_set)
def local_backup_entries(self):
return ["%s\t%s" % (self.parse_filename(i), util.mkmd5sum(i)) for i in self.backup]
def installfile(self):
data = []
for key, value in self.install.iteritems():
if value:
data.append("%s() {\n%s\n}\n" % (key, value))
return "\n".join(data)
# vim: set ts=4 sw=4 et:
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