mirror of
https://github.com/moparisthebest/pacman
synced 2024-12-23 16:28:50 -05:00
364 lines
9.1 KiB
Python
Executable File
364 lines
9.1 KiB
Python
Executable File
#! /usr/bin/python
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#
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# Copyright (c) 2006 by Aurelien Foret <orelien@chez.com>
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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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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# USA.
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import os
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import tempfile
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import shutil
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import pmpkg
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from util import *
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def _mkfilelist(files):
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"""Generate a list of files from the list supplied as an argument.
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Each path is decomposed to generate the list of all directories leading
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to the file.
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Example with 'usr/local/bin/dummy':
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The resulting list will be
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usr/
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usr/local/
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usr/local/bin/
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usr/local/bin/dummy
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"""
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i = []
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for f in files:
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dir = getfilename(f)
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i.append(dir)
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while "/" in dir:
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[dir, tmp] = dir.rsplit("/", 1)
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if not dir + "/" in files:
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i.append(dir + "/")
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i.sort()
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return i
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def _mkbackuplist(backup):
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"""
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"""
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return ["%s\t%s" % (getfilename(i), mkmd5sum(i)) for i in backup]
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def _getsection(fd):
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"""
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"""
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i = []
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while 1:
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line = fd.readline().strip("\n")
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if not line:
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break
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i.append(line)
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return i
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def _mksection(title, data):
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"""
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"""
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s = ""
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if isinstance(data, list):
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s = "\n".join(data)
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else:
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s = data
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return "%%%s%%\n" \
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"%s\n" % (title, s)
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class pmdb:
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"""Database object
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"""
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def __init__(self, treename, dbdir):
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self.treename = treename
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self.dbdir = dbdir
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self.pkgs = []
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def __str__(self):
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return "%s" % self.treename
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def getpkg(self, name):
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"""
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"""
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for pkg in self.pkgs:
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if name == pkg.name:
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return pkg
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def db_read(self, name):
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"""
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"""
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path = os.path.join(self.dbdir, self.treename)
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if not os.path.isdir(path):
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return None
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dbentry = ""
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for roots, dirs, files in os.walk(path):
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for i in dirs:
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[pkgname, pkgver, pkgrel] = i.rsplit("-", 2)
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if pkgname == name:
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dbentry = i
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break
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if not dbentry:
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return None
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path = os.path.join(path, dbentry)
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[pkgname, pkgver, pkgrel] = dbentry.rsplit("-", 2)
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pkg = pmpkg.pmpkg(pkgname, pkgver + "-" + pkgrel)
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# desc
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filename = os.path.join(path, "desc")
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fd = file(filename, "r")
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while 1:
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line = fd.readline()
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if not line:
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break
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line = line.strip("\n")
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if line == "%DESC%":
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pkg.desc = fd.readline().strip("\n")
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elif line == "%GROUPS%":
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pkg.groups = _getsection(fd)
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elif line == "%URL%":
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pkg.url = fd.readline().strip("\n")
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elif line == "%LICENSE%":
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pkg.license = _getsection(fd)
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elif line == "%ARCH%":
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pkg.arch = fd.readline().strip("\n")
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elif line == "%BUILDDATE%":
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pkg.builddate = fd.readline().strip("\n")
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elif line == "%INSTALLDATE%":
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pkg.installdate = fd.readline().strip("\n")
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elif line == "%PACKAGER%":
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pkg.packager = fd.readline().strip("\n")
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elif line == "%REASON%":
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pkg.reason = int(fd.readline().strip("\n"))
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elif line == "%SIZE%" or line == "%CSIZE%":
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pkg.size = int(fd.readline().strip("\n"))
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elif line == "%MD5SUM%":
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pkg.md5sum = fd.readline().strip("\n")
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elif line == "%REPLACES%":
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pkg.replaces = _getsection(fd)
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elif line == "%FORCE%":
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fd.readline()
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pkg.force = 1
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fd.close()
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pkg.checksum["desc"] = getmd5sum(filename)
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pkg.mtime["desc"] = getmtime(filename)
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# files
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filename = os.path.join(path, "files")
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fd = file(filename, "r")
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while 1:
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line = fd.readline()
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if not line:
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break
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line = line.strip("\n")
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if line == "%FILES%":
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while line:
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line = fd.readline().strip("\n")
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if line and line[-1] != "/":
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pkg.files.append(line)
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if line == "%BACKUP%":
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pkg.backup = _getsection(fd)
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fd.close()
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pkg.checksum["files"] = getmd5sum(filename)
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pkg.mtime["files"] = getmtime(filename)
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# depends
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filename = os.path.join(path, "depends")
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fd = file(filename, "r")
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while 1:
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line = fd.readline()
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if not line:
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break
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line = line.strip("\n")
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if line == "%DEPENDS%":
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pkg.depends = _getsection(fd)
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elif line == "%REQUIREDBY%":
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pkg.requiredby = _getsection(fd)
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elif line == "%CONFLICTS%":
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pkg.conflicts = _getsection(fd)
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elif line == "%PROVIDES%":
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pkg.provides = _getsection(fd)
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elif line == "%REPLACES%":
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pkg.replaces = _getsection(fd)
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elif line == "%FORCE%":
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fd.readline()
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pkg.force = 1
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fd.close()
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pkg.checksum["depends"] = getmd5sum(filename)
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pkg.mtime["depends"] = getmtime(filename)
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# install
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filename = os.path.join(path, "install")
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if os.path.isfile(filename):
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pkg.checksum["install"] = getmd5sum(filename)
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pkg.mtime["install"] = getmtime(filename)
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return pkg
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#
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# db_write is used to add both 'local' and 'sync' db entries
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#
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def db_write(self, pkg):
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"""
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"""
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path = os.path.join(self.dbdir, self.treename, pkg.fullname())
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if not os.path.isdir(path):
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os.makedirs(path);
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# desc
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# for local db entries: name, version, desc, groups, url, license,
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# arch, builddate, installdate, packager,
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# size, reason
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# for sync entries: name, version, desc, groups, csize, md5sum,
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# replaces, force
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data = [_mksection("NAME", pkg.name)]
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data.append(_mksection("VERSION", pkg.version))
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if pkg.desc:
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data.append(_mksection("DESC", pkg.desc))
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if pkg.groups:
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data.append(_mksection("GROUPS", pkg.groups))
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if self.treename == "local":
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if pkg.url:
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data.append(_mksection("URL", pkg.url))
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if pkg.license:
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data.append(_mksection("LICENSE", pkg.license))
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if pkg.arch:
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data.append(_mksection("ARCH", pkg.arch))
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if pkg.builddate:
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data.append(_mksection("BUILDDATE", pkg.builddate))
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if pkg.installdate:
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data.append(_mksection("INSTALLDATE", pkg.installdate))
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if pkg.packager:
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data.append(_mksection("PACKAGER", pkg.packager))
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if pkg.size:
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data.append(_mksection("SIZE", pkg.size))
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if pkg.reason:
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data.append(_mksection("REASON", pkg.reason))
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else:
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if pkg.csize:
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data.append(_mksection("CSIZE", pkg.csize))
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if pkg.md5sum:
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data.append(_mksection("MD5SUM", pkg.md5sum))
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if data:
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data.append("")
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filename = os.path.join(path, "desc")
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mkfile(filename, "\n".join(data))
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pkg.checksum["desc"] = getmd5sum(filename)
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pkg.mtime["desc"] = getmtime(filename)
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# files
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# for local entries, fields are: files, backup
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# for sync ones: none
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if self.treename == "local":
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data = []
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if pkg.files:
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data.append(_mksection("FILES", _mkfilelist(pkg.files)))
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if pkg.backup:
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data.append(_mksection("BACKUP", _mkbackuplist(pkg.backup)))
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if data:
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data.append("")
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filename = os.path.join(path, "files")
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mkfile(filename, "\n".join(data))
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pkg.checksum["files"] = getmd5sum(filename)
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pkg.mtime["files"] = getmtime(filename)
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# depends
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# for local db entries: depends, requiredby, conflicts, provides
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# for sync ones: depends, conflicts, provides
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data = []
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if pkg.depends:
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data.append(_mksection("DEPENDS", pkg.depends))
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if self.treename == "local":
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if pkg.requiredby:
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data.append(_mksection("REQUIREDBY", pkg.requiredby))
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if pkg.conflicts:
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data.append(_mksection("CONFLICTS", pkg.conflicts))
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if pkg.provides:
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data.append(_mksection("PROVIDES", pkg.provides))
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if not self.treename == "local":
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if pkg.replaces:
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data.append(_mksection("REPLACES", pkg.replaces))
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if pkg.force:
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data.append(_mksection("FORCE", ""))
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if data:
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data.append("")
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filename = os.path.join(path, "depends")
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mkfile(filename, "\n".join(data))
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pkg.checksum["depends"] = getmd5sum(filename)
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pkg.mtime["depends"] = getmtime(filename)
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# install
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if self.treename == "local":
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empty = 1
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for value in pkg.install.values():
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if value:
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empty = 0
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if not empty:
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filename = os.path.join(path, "install")
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mkinstallfile(filename, pkg.install)
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pkg.checksum["install"] = getmd5sum(filename)
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pkg.mtime["install"] = getmtime(filename)
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def gensync(self, path):
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"""
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"""
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curdir = os.getcwd()
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tmpdir = tempfile.mkdtemp()
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os.chdir(tmpdir)
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for pkg in self.pkgs:
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mkdescfile(pkg.fullname(), pkg)
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# Generate database archive
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os.makedirs(path, 0755)
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archive = os.path.join(path, "%s%s" % (self.treename, PM_EXT_DB))
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os.system("tar zcf %s *" % archive)
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os.chdir(curdir)
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shutil.rmtree(tmpdir)
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def ispkgmodified(self, pkg):
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"""
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"""
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modified = 0
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oldpkg = self.getpkg(pkg.name)
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if not oldpkg:
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return 0
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dbg("oldpkg.checksum : %s" % oldpkg.checksum)
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dbg("oldpkg.mtime : %s" % oldpkg.mtime)
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for key in pkg.mtime.keys():
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if key == "install" \
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and oldpkg.mtime[key] == (0, 0, 0) \
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and pkg.mtime[key] == (0, 0, 0):
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continue
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if not oldpkg.mtime[key][1:3] == pkg.mtime[key][1:3]:
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modified += 1
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return modified
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if __name__ == "__main__":
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db = pmdb("local")
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print db
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