[Draft] PRP Reader Script

Just a small draft for a .PRP file reader, written in python.

What .PRP file's are used for we are unsure of.

---

A small part of the format explained.

\\Python Script
import sys, os, struct

class IFTABLE:
    def __init__(self, fp):
		self.file = fp
		self.imports = []
		self.importsSize = 0

	def __del__(self):
		self.file.close()

	def read(self):
		self.file.seek(0) # Jump to start
		self.file.seek(0x1B) # Jump to IFTBL offset
		self.importsSize = struct.unpack('i', self.file.read(4))[0]
		self.file.seek(0x1F)

		fOffset = self.file.tell()
		wordStartOffset = fOffset
		word = ""

		while fOffset <= self.importsSize:
			pB = self.file.read(1)
			fOffset = self.file.tell()
			
			if ord(pB) == 0x0 and len(word) > 0:
				self.imports.append((wordStartOffset + 1, word))
				word = ""
			elif pB.isalnum():
				word += pB
			else:
				wordStartOffset = fOffset

		# Show IM table
		for im in self.imports:
			off, w = im
			print "[{:8x}] = {}".format(off, w)
		print " * TABLE SIZE {:8x} * ".format(self.importsSize)

def error(s):
	print "Error: %s" % s
	sys.exit(-1)

if len(sys.argv) < 2:
	print "Usage: test.py [PRP file]"
	sys.exit(0)

prpFile = sys.argv[1]

f = open(prpFile, "rb")
try:
	header = f.read(0xD)
	# If the header does not contain "IOPacked v0.1"
	if header != "IOPacked v0.1":
		# Give error an with a warning of "Wrong File, bad header"
		error("Wrong file. Bad header")

	PRPIF = IFTABLE(f)
	PRPIF.read()

finally:
	f.close()