test/pacman/pmpkg.py

   1 #! /usr/bin/python
   2 #
   3 #  Copyright (c) 2006 by Aurelien Foret <orelien@chez.com>
   4 #
   5 #  This program is free software; you can redistribute it and/or modify
   6 #  it under the terms of the GNU General Public License as published by
   7 #  the Free Software Foundation; either version 2 of the License, or
   8 #  (at your option) any later version.
   9 #
  10 #  This program is distributed in the hope that it will be useful,
  11 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #  GNU General Public License for more details.
  14 #
  15 #  You should have received a copy of the GNU General Public License
  16 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18
  19 import os
  20 import tempfile
  21 import stat
  22 import shutil
  23 from StringIO import StringIO
  24 import tarfile
  25
  26 import util
  27
  28 class pmpkg(object):
  29     """Package object.
  30
  31     Object holding data from an Arch Linux package.
  32     """
  33
  34     def __init__(self, name, version = "1.0-1"):
  35         self.path = "" #the path of the generated package
  36         # desc
  37         self.name = name
  38         self.version = version
  39         self.desc = ""
  40         self.groups = []
  41         self.url = ""
  42         self.license = []
  43         self.arch = ""
  44         self.builddate = ""
  45         self.installdate = ""
  46         self.packager = ""
  47         self.size = 0
  48         self.csize = 0
  49         self.isize = 0
  50         self.reason = 0
  51         self.md5sum = ""      # sync only
  52         self.pgpsig = ""      # sync only
  53         self.replaces = []
  54         self.depends = []
  55         self.optdepends = []
  56         self.conflicts = []
  57         self.provides = []
  58         # files
  59         self.files = []
  60         self.backup = []
  61         # install
  62         self.install = {
  63             "pre_install": "",
  64             "post_install": "",
  65             "pre_remove": "",
  66             "post_remove": "",
  67             "pre_upgrade": "",
  68             "post_upgrade": "",
  69         }
  70         self.path = None
  71
  72     def __str__(self):
  73         s = ["%s" % self.fullname()]
  74         s.append("description: %s" % self.desc)
  75         s.append("url: %s" % self.url)
  76         s.append("files: %s" % " ".join(self.files))
  77         s.append("reason: %d" % self.reason)
  78         return "\n".join(s)
  79
  80     def fullname(self):
  81         """Long name of a package.
  82
  83         Returns a string formatted as follows: "pkgname-pkgver".
  84         """
  85         return "%s-%s" % (self.name, self.version)
  86
  87     def filename(self):
  88         """File name of a package, including its extension.
  89
  90         Returns a string formatted as follows: "pkgname-pkgver.PKG_EXT_PKG".
  91         """
  92         return "%s%s" % (self.fullname(), util.PM_EXT_PKG)
  93
  94     @staticmethod
  95     def parse_filename(name):
  96         filename = name
  97         if filename[-1] == "*":
  98             filename = filename.rstrip("*")
  99         if filename.find(" -> ") != -1:
 100             filename, extra = filename.split(" -> ")
 101         elif filename.find("|") != -1:
 102             filename, extra = filename.split("|")
 103         return filename
 104
 105     def makepkg(self, path):
 106         """Creates an Arch Linux package archive.
 107
 108         A package archive is generated in the location 'path', based on the data
 109         from the object.
 110         """
 111         archive_files = []
 112
 113         # .PKGINFO
 114         data = ["pkgname = %s" % self.name]
 115         data.append("pkgver = %s" % self.version)
 116         data.append("pkgdesc = %s" % self.desc)
 117         data.append("url = %s" % self.url)
 118         data.append("builddate = %s" % self.builddate)
 119         data.append("packager = %s" % self.packager)
 120         data.append("size = %s" % self.size)
 121         if self.arch:
 122             data.append("arch = %s" % self.arch)
 123         for i in self.license:
 124             data.append("license = %s" % i)
 125         for i in self.replaces:
 126             data.append("replaces = %s" % i)
 127         for i in self.groups:
 128             data.append("group = %s" % i)
 129         for i in self.depends:
 130             data.append("depend = %s" % i)
 131         for i in self.optdepends:
 132             data.append("optdepend = %s" % i)
 133         for i in self.conflicts:
 134             data.append("conflict = %s" % i)
 135         for i in self.provides:
 136             data.append("provides = %s" % i)
 137         for i in self.backup:
 138             data.append("backup = %s" % i)
 139         archive_files.append((".PKGINFO", "\n".join(data)))
 140
 141         # .INSTALL
 142         if any(self.install.values()):
 143             archive_files.append((".INSTALL", self.installfile()))
 144
 145         self.path = os.path.join(path, self.filename())
 146         util.mkdir(os.path.dirname(self.path))
 147
 148         # Generate package metadata
 149         tar = tarfile.open(self.path, "w:gz")
 150         for name, data in archive_files:
 151             info = tarfile.TarInfo(name)
 152             info.size = len(data)
 153             tar.addfile(info, StringIO(data))
 154
 155         # Generate package file system
 156         for name in self.files:
 157             fileinfo = util.getfileinfo(name)
 158             info = tarfile.TarInfo(fileinfo["filename"])
 159             if fileinfo["hasperms"]:
 160                 info.mode = fileinfo["perms"]
 161             if fileinfo["isdir"]:
 162                 info.type = tarfile.DIRTYPE
 163                 tar.addfile(info)
 164             elif fileinfo["islink"]:
 165                 info.type = tarfile.SYMTYPE
 166                 info.linkname = fileinfo["link"]
 167                 tar.addfile(info)
 168             else:
 169                 # TODO wow what a hack, adding a newline to match mkfile?
 170                 filedata = name + "\n"
 171                 info.size = len(filedata)
 172                 tar.addfile(info, StringIO(filedata))
 173
 174         tar.close()
 175
 176     def install_package(self, root):
 177         """Install the package in the given root."""
 178         for f in self.files:
 179             util.mkfile(root, f, f)
 180             path = os.path.join(root, f)
 181             if os.path.isfile(path):
 182                 os.utime(path, (355, 355))
 183
 184     def full_filelist(self):
 185         """Generate a list of package files.
 186
 187         Each path is decomposed to generate the list of all directories leading
 188         to the file.
 189
 190         Example with 'usr/local/bin/dummy':
 191         The resulting list will be:
 192             usr/
 193             usr/local/
 194             usr/local/bin/
 195             usr/local/bin/dummy
 196         """
 197         file_set = set()
 198         for name in self.files:
 199             name = self.parse_filename(name)
 200             file_set.add(name)
 201             while "/" in name:
 202                 name, tmp = name.rsplit("/", 1)
 203                 file_set.add(name + "/")
 204         return sorted(file_set)
 205
 206     def local_backup_entries(self):
 207         return ["%s\t%s" % (self.parse_filename(i), util.mkmd5sum(i)) for i in self.backup]
 208
 209     def installfile(self):
 210         data = []
 211         for key, value in self.install.iteritems():
 212             if value:
 213                 data.append("%s() {\n%s\n}\n" % (key, value))
 214
 215         return "\n".join(data)
 216
 217 # vim: set ts=4 sw=4 et: