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# Copyright (c) 2006 by Aurelien Foret <orelien@chez.com>
# Copyright (c) 2006-2014 Pacman Development Team <pacman-dev@archlinux.org>
#
# 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 shutil
from StringIO import StringIO
import tarfile
import pmpkg
import tap
import util
def _getsection(fd):
i = []
while 1:
line = fd.readline().strip("\n")
if not line:
break
i.append(line)
return i
def make_section(data, title, values):
if not values:
return
data.append("%%%s%%" % title)
if isinstance(values, (list, tuple)):
data.extend(str(item) for item in values)
else:
# just a single value
data.append(str(values))
data.append('\n')
class pmdb(object):
"""Database object
"""
def __init__(self, treename, root):
self.treename = treename
self.root = root
self.pkgs = []
self.option = {}
if self.treename == "local":
self.dbdir = os.path.join(root, util.PM_DBPATH, treename)
self.dbfile = None
self.is_local = True
self.read_dircache = None
self.read_pkgcache = {}
else:
self.dbdir = None
self.dbfile = os.path.join(root, util.PM_SYNCDBPATH, treename + ".db")
self.is_local = False
def __str__(self):
return "%s" % self.treename
def getverify(self):
for value in ("Required", "Never", "Optional"):
if value in self.treename:
return value
return "Never"
def getpkg(self, name):
for pkg in self.pkgs:
if name == pkg.name:
return pkg
def db_read(self, name):
if not self.dbdir or not os.path.isdir(self.dbdir):
return None
dbentry = None
if self.read_dircache is None:
self.read_dircache = os.listdir(self.dbdir)
for entry in self.read_dircache:
if entry == "ALPM_DB_VERSION":
continue
[pkgname, pkgver, pkgrel] = entry.rsplit("-", 2)
if pkgname == name:
dbentry = entry
break
if dbentry is None:
return None
if pkgname in self.read_pkgcache:
return self.read_pkgcache[pkgname]
pkg = pmpkg.pmpkg(pkgname, pkgver + "-" + pkgrel)
self.read_pkgcache[pkgname] = pkg
path = os.path.join(self.dbdir, dbentry)
# desc
filename = os.path.join(path, "desc")
if not os.path.isfile(filename):
tap.bail("invalid db entry found (desc missing) for pkg " + pkgname)
return None
fd = open(filename, "r")
while 1:
line = fd.readline()
if not line:
break
line = line.strip("\n")
if line == "%DESC%":
pkg.desc = fd.readline().strip("\n")
elif line == "%GROUPS%":
pkg.groups = _getsection(fd)
elif line == "%URL%":
pkg.url = fd.readline().strip("\n")
elif line == "%LICENSE%":
pkg.license = _getsection(fd)
elif line == "%ARCH%":
pkg.arch = fd.readline().strip("\n")
elif line == "%BUILDDATE%":
pkg.builddate = fd.readline().strip("\n")
elif line == "%INSTALLDATE%":
pkg.installdate = fd.readline().strip("\n")
elif line == "%PACKAGER%":
pkg.packager = fd.readline().strip("\n")
elif line == "%REASON%":
try:
pkg.reason = int(fd.readline().strip("\n"))
except ValueError:
pkg.reason = -1
raise
elif line == "%SIZE%" or line == "%CSIZE%":
try:
pkg.size = int(fd.readline().strip("\n"))
except ValueError:
pkg.size = -1
raise
elif line == "%MD5SUM%":
pkg.md5sum = fd.readline().strip("\n")
elif line == "%PGPSIG%":
pkg.pgpsig = fd.readline().strip("\n")
elif line == "%REPLACES%":
pkg.replaces = _getsection(fd)
elif line == "%DEPENDS%":
pkg.depends = _getsection(fd)
elif line == "%OPTDEPENDS%":
pkg.optdepends = _getsection(fd)
elif line == "%CONFLICTS%":
pkg.conflicts = _getsection(fd)
elif line == "%PROVIDES%":
pkg.provides = _getsection(fd)
fd.close()
# files
filename = os.path.join(path, "files")
if not os.path.isfile(filename):
tap.bail("invalid db entry found (files missing) for pkg " + pkgname)
return None
fd = open(filename, "r")
while 1:
line = fd.readline()
if not line:
break
line = line.strip("\n")
if line == "%FILES%":
while line:
line = fd.readline().strip("\n")
if line and line[-1] != "/":
pkg.files.append(line)
if line == "%BACKUP%":
pkg.backup = _getsection(fd)
fd.close()
# install
filename = os.path.join(path, "install")
return pkg
#
# db_write is used to add both 'local' and 'sync' db entries
#
def db_write(self, pkg):
entry = {}
# desc/depends type entries
data = []
make_section(data, "NAME", pkg.name)
make_section(data, "VERSION", pkg.version)
make_section(data, "DESC", pkg.desc)
make_section(data, "GROUPS", pkg.groups)
make_section(data, "LICENSE", pkg.license)
make_section(data, "ARCH", pkg.arch)
make_section(data, "BUILDDATE", pkg.builddate)
make_section(data, "PACKAGER", pkg.packager)
make_section(data, "DEPENDS", pkg.depends)
make_section(data, "OPTDEPENDS", pkg.optdepends)
make_section(data, "CONFLICTS", pkg.conflicts)
make_section(data, "PROVIDES", pkg.provides)
make_section(data, "URL", pkg.url)
if self.is_local:
make_section(data, "INSTALLDATE", pkg.installdate)
make_section(data, "SIZE", pkg.size)
make_section(data, "REASON", pkg.reason)
else:
make_section(data, "FILENAME", pkg.filename())
make_section(data, "REPLACES", pkg.replaces)
make_section(data, "CSIZE", pkg.csize)
make_section(data, "ISIZE", pkg.isize)
make_section(data, "MD5SUM", pkg.md5sum)
make_section(data, "PGPSIG", pkg.pgpsig)
entry["desc"] = "\n".join(data)
# files and install
if self.is_local:
data = []
make_section(data, "FILES", pkg.filelist())
make_section(data, "BACKUP", pkg.local_backup_entries())
entry["files"] = "\n".join(data)
if any(pkg.install.values()):
entry["install"] = pkg.installfile()
return entry
def generate(self):
pkg_entries = [(pkg, self.db_write(pkg)) for pkg in self.pkgs]
if self.dbdir:
for pkg, entry in pkg_entries:
path = os.path.join(self.dbdir, pkg.fullname())
util.mkdir(path)
for name, data in entry.items():
util.mkfile(path, name, data)
if self.dbfile:
tar = tarfile.open(self.dbfile, "w:gz")
for pkg, entry in pkg_entries:
# TODO: the addition of the directory is currently a
# requirement for successful reading of a DB by libalpm
info = tarfile.TarInfo(pkg.fullname())
info.type = tarfile.DIRTYPE
tar.addfile(info)
for name, data in entry.items():
filename = os.path.join(pkg.fullname(), name)
info = tarfile.TarInfo(filename)
info.size = len(data)
tar.addfile(info, StringIO(data))
tar.close()
# TODO: this is a bit unnecessary considering only one test uses it
serverpath = os.path.join(self.root, util.SYNCREPO, self.treename)
util.mkdir(serverpath)
shutil.copy(self.dbfile, serverpath)
# vim: set ts=4 sw=4 et:
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