X-Git-Url: https://www.irasnyder.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=rsutil%2Fpar2parser.py;fp=rsutil%2Fpar2parser.py;h=0000000000000000000000000000000000000000;hb=feeefeb8ea2f1e4724424d43c0eb872aee4743c2;hp=572c7b15f6d56861336565c3301628ea3d36c182;hpb=3e0a5dd7c7549636eb70c6a641987da66742f1db;p=rarslave2.git

diff --git a/rsutil/par2parser.py b/rsutil/par2parser.py
deleted file mode 100644
index 572c7b1..0000000
--- a/rsutil/par2parser.py
+++ /dev/null
@@ -1,139 +0,0 @@
-#!/usr/bin/env python
-# vim: set ts=4 sts=4 sw=4 textwidth=92:
-
-"""
-Module which holds PAR2 file parsing functions.
-
-Much of this code was borrowed from the excellent cfv project.
-See http://cfv.sourceforge.net/ for a copy.
-"""
-
-__author__    = "Ira W. Snyder (devel@irasnyder.com)"
-__copyright__ = "Copyright (c) 2006,2007 Ira W. Snyder (devel@irasnyder.com)"
-__license__   = "GNU GPL v2 (or, at your option, any later version)"
-
-#    par2parser.py -- PAR2 file parsing utility
-#
-#    Copyright (C) 2006,2007  Ira W. Snyder (devel@irasnyder.com)
-#
-#    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, write to the Free Software
-#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
-
-import struct, errno, os, md5
-
-def chompnulls(line):
-	p = line.find('\0')
-	if p < 0: return line
-	else:	  return line[:p]
-
-def get_protected_files (dir, filename):
-	"""Get all of the filenames that are protected by the par2
-	file given as the filename"""
-
-	assert os.path.isdir (dir) # MUST be a valid directory
-	assert os.path.isfile (os.path.join (dir, filename))
-
-	full_filename = os.path.join (dir, filename)
-
-	try:
-		file = open(full_filename, 'rb')
-	except:
-		print 'Could not open %s' % (full_filename, )
-		return []
-
-	# We always want to do crc checks
-	docrcchecks = True
-
-	pkt_header_fmt = '< 8s Q 16s 16s 16s'
-	pkt_header_size = struct.calcsize(pkt_header_fmt)
-	file_pkt_fmt = '< 16s 16s 16s Q'
-	file_pkt_size = struct.calcsize(file_pkt_fmt)
-	main_pkt_fmt = '< Q I'
-	main_pkt_size = struct.calcsize(main_pkt_fmt)
-
-	seen_file_ids = {}
-	expected_file_ids = None
-	filenames = []
-
-	# This try is here to ensure that we close the open file before
-	# returning. Since this code was (pretty much) borrowed verbatim
-	# from the cfv project, I didn't want to refactor it to make file
-	# closing more sane, so I just used a try / finally clause.
-	try:
-		while 1:
-			d = file.read(pkt_header_size)
-			if not d:
-				break
-
-			magic, pkt_len, pkt_md5, set_id, pkt_type = struct.unpack(pkt_header_fmt, d)
-
-			if docrcchecks:
-				control_md5 = md5.new()
-				control_md5.update(d[0x20:])
-				d = file.read(pkt_len - pkt_header_size)
-				control_md5.update(d)
-
-				if control_md5.digest() != pkt_md5:
-					raise EnvironmentError, (errno.EINVAL, \
-						"corrupt par2 file - bad packet hash")
-
-			if pkt_type == 'PAR 2.0\0FileDesc':
-				if not docrcchecks:
-					d = file.read(pkt_len - pkt_header_size)
-
-				file_id, file_md5, file_md5_16k, file_size = \
-					struct.unpack(file_pkt_fmt, d[:file_pkt_size])
-
-				if seen_file_ids.get(file_id) is None:
-					seen_file_ids[file_id] = 1
-					filename = chompnulls(d[file_pkt_size:])
-					filenames.append(filename)
-
-			elif pkt_type == "PAR 2.0\0Main\0\0\0\0":
-				if not docrcchecks:
-					d = file.read(pkt_len - pkt_header_size)
-
-				if expected_file_ids is None:
-					expected_file_ids = []
-					slice_size, num_files = struct.unpack(main_pkt_fmt, d[:main_pkt_size])
-					num_nonrecovery = (len(d)-main_pkt_size)/16 - num_files
-
-					for i in range(main_pkt_size,main_pkt_size+(num_files+num_nonrecovery)*16,16):
-						expected_file_ids.append(d[i:i+16])
-
-			else:
-				if not docrcchecks:
-					file.seek(pkt_len - pkt_header_size, 1)
-
-		if expected_file_ids is None:
-			raise EnvironmentError, (errno.EINVAL, \
-				"corrupt or unsupported par2 file - no main packet found")
-
-		for id in expected_file_ids:
-			if not seen_file_ids.has_key(id):
-				raise EnvironmentError, (errno.EINVAL, \
-					"corrupt or unsupported par2 file - " \
-					"expected file description packet not found")
-	finally:
-		file.close ()
-
-	return filenames
-
-def main ():
-	pass
-
-if __name__ == '__main__':
-	main ()
-