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import os, sys, zipfile, optparse, zlib, fnmatch, time

optp=optparse.OptionParser(usage="%prog [options] <target-zip> <source-dir> [<source-dir...>]")
optp.add_option("-x", help="exclude mask", action="append", dest="exclude", default=[])
err=optp.error

options, args = optp.parse_args()

if len(args)<2:
	optp.print_usage()
	sys.exit(1)
	
zf=zipfile.ZipFile(args[0], "w")

def zfAddNullFile(zf, arcname, date_time):
	arcname = os.path.normpath(os.path.splitdrive(arcname)[1])
	arcname = arcname.lstrip(os.sep + os.altsep)
	zinfo = zipfile.ZipInfo(arcname, date_time)
	zinfo.external_attr = 0
	zinfo.compress_type = zf.compression
	zinfo.file_size = 0
	zinfo.flag_bits = 0x00
	zinfo.header_offset = zf.fp.tell()    # Start of header bytes
	zf._writecheck(zinfo)
	zf._didModify = True
	zinfo.CRC = CRC = zlib.crc32("")
	zinfo.compress_size = 0
	zinfo.file_size = 0
	zf.fp.write(zinfo.FileHeader())
	zf.filelist.append(zinfo)
	zf.NameToInfo[zinfo.filename] = zinfo
	
for sourceDir in args[1:]:
	for dp, dn, fn in os.walk(sourceDir):
		for f in fn:
			f=os.path.join(dp, f)
			ok=True
			for xmask in options.exclude:
				if fnmatch.fnmatch(f, xmask):
					ok=False
					break
			if ok:
				mtime=time.localtime(os.stat(f).st_mtime)
				print f
				zfAddNullFile(zf, f, (mtime.tm_year, mtime.tm_mon, mtime.tm_mday, mtime.tm_hour, mtime.tm_min, mtime.tm_sec))

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