new_contents: #!/usr/bin/env python
  
  # svnpatch.py - svnpatch helper script
  # Author: Arfrever Frehtes Taifersar Arahesis
  # License: GPL-3
  
  import base64
  import sys
  import textwrap
  import zlib
  
  svnpatch1_block_start = b"========================= SVNPATCH1 BLOCK =========================\n"
  
  def encode():
  	sys.stdout.write(svnpatch1_block_start.decode())
  	sys.stdout.write("\n".join(textwrap.wrap(base64.encodestring(zlib.compress(b"\n".join([x.rstrip(b"\n") for x in lines]))).decode(), 76)))
  
  def decode():
  	svnpatch1_block_start_index = lines.index(svnpatch1_block_start)
  	svnpatch1_block = lines[svnpatch1_block_start_index+1:]
  	sys.stdout.write(zlib.decompress(base64.decodestring(b"".join([x.rstrip(b"\n") for x in svnpatch1_block]))).decode())
  
  def help():
  	print("svnpatch.py - svnpatch helper script")
  	print("Usage: svnpatch.py [-e | --encode | -d | --decode] FILE")
  	print("       svnpatch.py [-e | --encode | -d | --decode] -")
  	print("       svnpatch.py [-h | --help]")
  	print("")
  	print("Author: Arfrever Frehtes Taifersar Arahesis")
  	print("License: GPL-3")
  	exit(0)
  
  if len(sys.argv) == 2 and sys.argv[1] in ("-h", "--help"):
  	help()
  
  elif len(sys.argv) < 3:
  	sys.stderr.write("svnpatch.py: Missing arguments\n")
  	exit(1)
  
  elif len(sys.argv) > 3:
  	sys.stderr.write("svnpatch.py: Excessive arguments(s)\n")
  	exit(1)
  
  if sys.argv[1] in ("-e", "--encode"):
  	func = encode
  elif sys.argv[1] in ("-d", "--decode"):
  	func = decode
  else:
  	sys.stderr.write("Incorrect option\n")
  	exit(1)
  
  if sys.argv[2] == "-":
  	lines = sys.stdin.readlines()
  	if sys.version_info[0] >= 3:
  		lines = [x.encode() for x in lines]
  else:
  	lines = open(sys.argv[1], "rb").readlines()
  
  func()
  print("")
  
subject: Add svnpatch.py script.