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#!/usr/bin/python
# These dirs, along with RPMS, make up disc 2
disc2dirs = [ "preview" ]
# These files appear on all binary CDs
jointfiles = [ "COPYING", "RPM-GPG-KEY", "README", "autorun" ]
targetSize = 650 * 1024 * 1024
# Leave about 1.2MB of space on the disc
fudgeFactor = 1.2 * 1024 * 1024
#-----------------
import sys
import os
import os.path
import string
import getopt
import time
import types
def stamp(path, name, arch, startedAt):
f = open("%s/.%s-%s" % (path, name, arch), "w")
f.write("%f\n" % startedAt)
f.close()
def moveFiles(srcDir, destDir, files):
for fn in files:
src = "%s/%s" % (srcDir, fn)
dest = "%s/%s" % (destDir, fn)
os.rename(src, dest)
def excessFiles(path, fileList, maxSize):
total = 0
moveList = []
for fns in fileList:
if type(fns) == types.StringType:
fns = [ fns ]
size = 0
for fn in fns:
thisSize = os.path.getsize(path + "/" + fn)
size = size + thisSize + ((thisSize + 2047) % 2048)
if size + total < maxSize:
total = total + size
else:
# once we're done, we're done
total = maxSize
moveList.extend(fns)
return moveList
class DirectoryIterator:
def __init__(self):
self.inodes = {}
def traverse (self, arg, dirname, names):
for name in names:
sb = os.lstat (dirname + "/" + name)
if not self.inodes.has_key(sb[1]):
self.inodes[sb[1]] = sb[6]
def total(self):
total = 0
for size in self.inodes.values():
total = total + size
return total
def spaceUsed(path):
foo = DirectoryIterator()
os.path.walk (path, foo.traverse, None)
return foo.total()
startedAt = time.time()
fns = {}
(args, extra) = getopt.getopt(sys.argv[1:], '', [ 'fileorder=' ])
if len(extra) != 2:
print "splitdistro --fileorder <file> <toppath> <arch>"
sys.exit(1)
for n in args:
(str, arg) = n
if str == '--fileorder':
packageOrderFile = arg
arch = extra[1]
distDir = os.path.normpath(extra[0] + "/" + arch)
srcDir = os.path.normpath(extra[0] + "/SRPMS")
if not os.path.isdir(distDir):
print "error: %s is not a directory" % distDir
sys.exit(1)
if not os.path.isdir(srcDir):
print "error: %s is not a directory" % srcDir
sys.exit(1)
disc1Dir = distDir + "-disc1"
disc2Dir = distDir + "-disc2"
disc1SrcDir = distDir + "-disc3"
disc2SrcDir = distDir + "-disc4"
id = 0
files = os.listdir(distDir + "/RedHat/RPMS")
files.sort()
packages = {}
for file in files:
l = string.split(file, ".")
pkg = string.join(l[:-2], ".")
if packages.has_key(pkg):
packages[pkg].append(file)
else:
packages[pkg] = [ file ]
f = open(packageOrderFile, "r")
binPkgList = []
for pkg in f.readlines():
# chop
pkg = pkg[:len(pkg) - 1]
if pkg[0:8] != "warning:":
binPkgList.append(packages[pkg])
del f
print "Splitting tree..."
totalsize = spaceUsed(distDir)
rpmsize = spaceUsed(distDir + "/RedHat/RPMS")
dirsize = 0
for dir in disc2dirs:
what = distDir + "/" + dir
if os.access(what, os.R_OK):
dirsize = dirsize + spaceUsed(distDir + "/" + dir)
disc1used = totalsize - rpmsize - dirsize
os.system("rm -rf %s %s %s %s" % ( disc1Dir, disc2Dir, disc1SrcDir,
disc2SrcDir))
os.system("mkdir -p %s %s %s/SRPMS %s/RedHat/RPMS" %
(disc1Dir, disc1SrcDir, disc2SrcDir, disc2Dir))
print "Creating disc1..."
os.system("cp -al %s/. %s" % (distDir, disc1Dir))
stamp(disc1Dir, "disc1", arch, startedAt)
print "Creating disc2..."
stamp(disc2Dir, "disc2", arch, startedAt)
for file in jointfiles:
src = "%s/%s" % (disc1Dir, file)
dest = "%s/%s" %(disc2Dir, file)
try:
os.link(src, dest)
except OSError, (errno, msg):
print "**** WARNING linking %s to %s: %s" % (src, dest, msg)
disc2pkgs = excessFiles(distDir + "/RedHat/RPMS", binPkgList,
targetSize - disc1used - fudgeFactor)
moveFiles("%s/RedHat/RPMS" % disc1Dir,
"%s/RedHat/RPMS" % disc2Dir,
disc2pkgs);
print "Creating first source disc..."
os.system("cp -al %s/. %s" % (srcDir, disc1SrcDir))
stamp(disc1SrcDir, "disc3", arch, startedAt)
print "Creating second source disc..."
stamp(disc2SrcDir, "disc4", arch, startedAt)
srcPkgList = os.listdir("%s/SRPMS" % disc1SrcDir)
srcPkgList.sort()
disc2pkgs = excessFiles(disc1SrcDir + "/SRPMS", srcPkgList,
targetSize - fudgeFactor)
moveFiles("%s/SRPMS" % disc1SrcDir,
"%s/SRPMS" % disc2SrcDir,
disc2pkgs);
sys.exit(0)
sys.stdout.flush()
os.system("du -sh %s %s %s" % (disc1Dir, disc2Dir, disc1SrcDir))
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