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Contents of /trunk/tools/dtar-tool/dtar

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Revision 1816 - (show annotations) (download)
Sat Aug 16 07:30:05 2008 UTC (14 years, 3 months ago) by jpye
File size: 3982 byte(s)
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1 #!/usr/bin/env python
2 # dtar - Tool to produce .deb package from source tarball
3 # Copyright (C) 2008 John Pye <john@curioussymbols.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, or (at your option)
8 # 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, write to the Free Software
17 # Foundation, Inc., 59 Temple Place - Suite 330,
18 # Boston, MA 02111-1307, USA.
19
20 import sys, re, tarfile, os.path, subprocess
21 import apt
22 from debian_bundle import deb822, changelog
23
24 # the tarball is the argument to this script
25 f = sys.argv[1]
26
27 # get the first filename in the tarball
28 t = tarfile.open(f)
29 M = t.getmembers()
30 print M[0].name
31
32 # split the top-level directory name from that path
33
34 h,path = os.path.split(M[0].name)
35 if not h:
36 raise RuntimeError("Tarball appears not contain a top-level directory")
37
38 while h:
39 head = h
40 h,path = os.path.split(path)
41
42 print "Head directory = ",head
43
44 r = re.compile(r"^%s/debian/(.*)$" % re.escape(head))
45
46 # search for 'debian/changelog' inside the tarfile
47
48 debfiles = {}
49 for m in M:
50 if r.match(m.name):
51 h,p = os.path.split(m.name)
52 debfiles[p] = m
53
54
55 fc = t.extractfile(debfiles['control'])
56
57 # display mandatory fields from 'debian/control'
58
59 controlmandatory = ['Source','Maintainer']
60
61 control = deb822.Deb822(fc.read())
62 for _c in controlmandatory:
63 print "%s: %s" % (_c, control[_c])
64
65 # check that debian/changelog is current
66
67 fchange = t.extractfile(debfiles['changelog'])
68
69 changes = changelog.Changelog(file=fchange.read())
70
71 debianname = "%s-%s" % (control['Source'],changes.upstream_version)
72
73 if debianname != head:
74 raise RuntimeError("Debian files not up to date: debian/changelog refers to version '%s' but tarball head directory is '%s'"
75 % (debianname,head));
76
77 # check for build-time dependencies
78
79 dependencies = ['build-essential']
80
81 if 'Build-Depends' in control:
82 #print "Build-Depends:",control['Build-Depends']
83 c = apt.Cache()
84 dependencies += control['Build-Depends'].split(', ')
85
86 print "Checking build dependencies..."
87 depsmissing = []
88 for d in dependencies:
89 p = c[d]
90 if not p.isInstalled:
91 depsmissing.append(d)
92
93 if depsmissing:
94 raise RuntimeError("Unable to proceed. Missing buildtime dependencies: %s" % (depsmissing))
95
96 # original tarball (recompressing to .gz if required)
97
98 if f[-3:] == ".gz":
99 print "Original tarball is in gzip format"
100 elif f[-4:] == ".bz2":
101 print "Original tarball is in bzip2 format"
102 else:
103 raise RuntimeError("Unrecognized tarball compression style")
104
105 # extract tarball to tmp dir
106
107 maindir = "/tmp/dtar-%s" % os.getpid()
108
109 print "Extracting tarball to '%s'..." % maindir
110
111 if os.path.exists(maindir):
112 raise RuntimeError("Temp path '%s' already exists!"%maindir)
113
114 os.mkdir(maindir)
115
116 try:
117 os.chdir(maindir)
118 t.extractall()
119 assert(os.path.exists(head))
120 print "Files extracted to '%s'" % os.getcwd()
121
122 # build the source package
123 print "Building source package..."
124 res = subprocess.call(["dpkg-source","-b",head,f],executable="/usr/bin/dpkg-source")
125
126 if res:
127 raise RuntimeError("dpkg-source returned error code %d",res)
128
129 # build the binary package
130 print "Building binary package..."
131 os.chdir(head)
132 res = subprocess.call(["dpkg-buildpackage","-b","-rfakeroot"])
133
134 except Exception, e:
135 print "ERROR: %s", str(e)
136
137 #clean up files
138
139 print "EXITING now"
140 sys.exit(1)
141
142 print "Cleaning up files..."
143 assert maindir[:10]=="/tmp/dtar-"
144 for _root,_dirs,_files in os.walk(maindir,topdown=False):
145 for _f in _files:
146 os.remove(os.path.join(_root,_f))
147 for _d in _dirs:
148 os.rmdir(os.path.join(_root,_d))
149 print "All done, exiting"
150
151 os.rmdir(maindir)

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john.pye@anu.edu.au
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