fixtextures.py

# Chris Sprance
# Look For textures with /ser=1 Supress Engine Reduce Checked on (This is BAD!!!!)
from __future__ import print_function
# This is our library for reading image metadata
# https://github.com/bendavis78/pyexiv2
import pyexiv2
import os
import re


# return raw values from a tag
def retraw(img):
	# Load the image into the metadata
	f = open(img,'U')
	metadata = pyexiv2.ImageMetadata(img)

	# Read the metadata from our image
	metadata.read()

	# read the iptc_keys out
	metadata.iptc_keys

	# some stuff doesn't have metadata for whatever reason ()
	try:
	# set the tag 
		tag = metadata['Iptc.Application2.SpecialInstructions']
		#set up our regex
		regex = re.findall(r'\/ser=1',tag._raw_values[0])
		# if regex is true it will return back a value so check that and then return
		if regex:
			#print(tag.values)
			# fix the tags and stick them here
			fixed_tag = removeTag(img,tag._raw_values[0])
			final_tag = ' '.join(fixed_tag)
			
			# set the raw values as the fixed tag
			tag._raw_values[0] = final_tag
			print(tag.values, img)
			# actaully write the data
			#print('printing....' ,final_tag, img)
			
	except:
		# just fugettahboutit
		return

	metadata.write()
	f.write()


def removeTag(img, tagvalue):
	img = img
	#regex2 = re.findall(,img)
	string = tagvalue
	split_tags = string.split()
	for idx, tag in enumerate(split_tags):
		regex = re.findall(r'\/ser=1',tag)
		if regex:
			split_tags.pop(idx)
			return split_tags
	

# main 
def main():
	# recurse through all directors only finding files with .tif
	for root, dirs, files in os.walk("d:/perforce/gamesdk/objects/natural/Rocks/MountainRocks/RockWallTall"):
		for file in files:
			if file.endswith(".tif"):
				retraw(os.path.join(root, file))

# run the shizzle
if __name__ == '__main__':
	main()