1 #!/usr/local/bin/python
3 # This script generates a master INDEX file for the CD images built by the
4 # FreeBSD release engineers. Each disc is given a list of desired packages.
5 # Dependencies of these packages are placed on either the same disc or an
6 # earlier disc. The resulting master INDEX file is then written out.
8 # Usage: package-split.py <INDEX> <master INDEX>
16 arch = os.environ["PKG_ARCH"]
19 print "Using arch %s" % (arch)
21 if 'PKG_VERBOSE' in os.environ:
26 # List of packages for dvd1.
28 pkgs = ['archivers/unzip',
30 'devel/subversion-static',
31 'emulators/linux_base-f10',
33 'misc/freebsd-doc-all',
36 'ports-mgmt/portaudit',
37 'ports-mgmt/portmaster',
44 'x11-drivers/xf86-video-vmware',
50 # The list of desired packages
51 def desired_packages():
52 dvd1 = dvd1_packages()
55 # Suck the entire INDEX file into a two different dictionaries. The first
56 # dictionary maps port names (origins) to package names. The second
57 # dictionary maps a package name to a list of its dependent packages.
62 def load_index(index):
67 fields = line.split('|')
68 name = fields[PACKAGE_COL]
70 sys.stderr.write('%d: Duplicate package %s\n' % (line_num, name))
72 origin = fields[ORIGIN_COL].replace('/usr/ports/', '', 1)
74 sys.stderr.write('%d: Duplicate port %s\n' % (line_num, origin))
76 deps[name] = fields[DEPENDS_COL].split()
78 line_num = line_num + 1
81 # Layout the packages on the various CD images. Here's how it works. We walk
82 # each disc in the list of discs. Within each disc we walk the list of ports.
83 # For each port, we add the package name to a dictionary with the value being
84 # the current disc number. We also add all of the dependent packages. If
85 # a package is already in the dictionary when we go to add it, we just leave
86 # the dictionary as it is. This means that each package ends up on the first
87 # disc that either lists it or contains it as a dependency.
88 def layout_discs(discs, pkgs, deps):
94 sys.stderr.write('Disc %d: Unable to find package for %s\n' %
98 pkg_list = [pkg] + deps[pkg]
100 if pkg not in layout:
102 print "--> Adding %s to Disc %d" % (pkg, disc_num)
103 layout[pkg] = disc_num
104 disc_num = disc_num + 1
107 # Generate a master INDEX file based on the generated layout. The way this
108 # works is that for each INDEX line, we check to see if the package is in the
109 # layout. If it is, we put that INDEX line into the master INDEX and append
110 # a new field with the disc number to the line.
111 def generate_index(index, layout, master_index):
113 pkg = line.split('|')[PACKAGE_COL]
115 new_line = '%s|%d\n' % (line.splitlines()[0], layout[pkg])
116 master_index.write(new_line)
118 # Verify the command line arguments
119 if len(sys.argv) != 3:
120 sys.stderr.write('Invalid number of arguments\n')
121 sys.stderr.write('Usage: package-split.py <source INDEX> <master INDEX>\n')
124 print "Loading %s..." % (sys.argv[1])
125 index = file(sys.argv[1])
126 (deps, pkgs) = load_index(index)
127 discs = desired_packages()
128 layout = layout_discs(discs, pkgs, deps)
130 print "Generating %s..." % (sys.argv[2])
131 master_index = file(sys.argv[2], 'w')
132 generate_index(index, layout, master_index)