summaryrefslogtreecommitdiff
path: root/test/pacman/pmpkg.py
blob: 8ec08003dae9de6cc2d6699f8e3f5a0538bb1928 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
#  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 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
        self.finalized = False

    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"]
            elif fileinfo["isdir"]:
                info.mode = 0o755
            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 filelist(self):
        """Generate a list of package files."""
        return sorted([self.parse_filename(f) for f in self.files])

    def finalize(self):
        """Perform any necessary operations to ready the package for use."""
        if self.finalized:
            return

        # add missing parent dirs to file list
        # use bare file names so trailing ' -> ', '*', etc don't throw off the
        # checks for existing files
        file_names = self.filelist()
        for name in list(file_names):
            if os.path.isabs(name):
                raise ValueError("Absolute path in filelist '%s'." % name)

            name = os.path.dirname(name.rstrip("/"))
            while name:
                if name in file_names:
                    # path exists as both a file and a directory
                    raise ValueError("Duplicate path in filelist '%s'." % name)
                elif name + "/" in file_names:
                    # path was either manually included or already processed
                    break
                else:
                    file_names.append(name + "/")
                    self.files.append(name + "/")
                name = os.path.dirname(name)
        self.files.sort()

        self.finalized = True

    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.items():
            if value:
                data.append("%s() {\n%s\n}\n" % (key, value))

        return "\n".join(data)

# vim: set ts=4 sw=4 et: