164 lines
7.4 KiB
Python
164 lines
7.4 KiB
Python
'''
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Copyright 2020 Electronic Arts Inc.
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This program is is free software: you can redistribute it and/or modify it under the terms of
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the GNU General Public License as published by the Free Software Foundation,
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either version 3 of the License, or (at your option) any later version.
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This program is is distributed in the hope that it will be useful, but with permitted additional restrictions
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under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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distributed with this program. You should have received a copy of the
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GNU General Public License along with permitted additional restrictions
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with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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'''
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import argparse
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import io
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import json
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from PIL import Image
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import os
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import StringIO
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import sys
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import zipfile
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def overwrite_prompt(question, default=False):
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prompt = " [Y/n] " if default else " [y/N] "
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while True:
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sys.stdout.write(question + prompt)
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choice = raw_input().lower()
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if choice == '':
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return default
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elif choice == 'y':
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return True
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elif choice == 'n':
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return False
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else:
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sys.stdout.write("\n")
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def crop(tga_file):
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with Image.open(tga_file) as image:
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image = image.convert('RGBA')
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alpha = image.split()[-1]
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left, top, right, bottom = 0, 0, image.width, image.height
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found_left, found_top, found_right, found_bottom = False, False, False, False
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for y in range(0, image.height):
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if found_top and found_bottom:
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break
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for x in range(0, image.width):
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if found_top and found_bottom:
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break
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if not found_top and alpha.getpixel((x, y)) != 0:
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top = y
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found_top = True
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if not found_bottom and alpha.getpixel((x, image.height - y - 1)) != 0:
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bottom = image.height - y
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found_bottom = True
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for x in range(0, image.width):
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if found_left and found_right:
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break
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for y in range(top, bottom):
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if found_left and found_right:
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break
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if not found_left and alpha.getpixel((x, y)) != 0:
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left = x
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found_left = True
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if not found_right and alpha.getpixel((image.width - x - 1, y)) != 0:
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right = image.width - x
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found_right = True
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tga_data = StringIO.StringIO()
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meta = None
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if left == 0 and top == 0 and right == image.width and bottom == image.height:
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image.save(tga_data, 'TGA')
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else:
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image.crop((left, top, right, bottom)).save(tga_data, 'TGA')
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meta = json.dumps({
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'size': [image.width, image.height],
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'crop': [left, top, right, bottom]
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}, separators=(',',':'))
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return (tga_data.getvalue(), meta)
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def expand(tga_data, meta, tga_file):
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with Image.open(io.BytesIO(tga_data)) as image:
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if meta:
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crop = meta['crop']
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image_size = (crop[2] - crop[0], crop[3] - crop[1])
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image = image.resize(image_size)
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expanded_crop = (crop[0], crop[1], crop[2], crop[3])
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expanded_size = (meta['size'][0], meta['size'][1])
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with Image.new('RGBA', expanded_size, (0, 0, 0, 0)) as expanded:
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expanded.paste(image, expanded_crop)
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expanded.save(tga_file)
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else:
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image.save(tga_file)
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def zip(args):
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if not os.path.isdir(args.directory):
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print >> sys.stderr, '\'{}\' does not exist or is not a directory\n'.format(args.directory)
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sys.exit(1)
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tga_files = [f for f in os.listdir(args.directory) if os.path.isfile(os.path.join(args.directory, f)) and os.path.splitext(f)[1].lower() == '.tga']
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if not tga_files:
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print >> sys.stderr, '\'{}\' does not contain any TGA files\n'.format(args.directory)
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sys.exit(1)
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out_file = os.path.basename(os.path.normpath(args.directory)).upper() + '.ZIP'
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if os.path.exists(out_file):
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if not os.path.isfile(out_file):
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print >> sys.stderr, '\'{}\' already exists and is not a file\n'.format(out_file)
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sys.exit(1)
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if not args.yes and not overwrite_prompt('\'{}\' already exists, overwrite?'.format(out_file)):
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sys.exit(0)
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with zipfile.ZipFile(out_file, 'w', zipfile.ZIP_DEFLATED) as zip:
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for tga_file in tga_files:
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tga_data, meta = crop(os.path.join(args.directory, tga_file))
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zip.writestr(tga_file, tga_data)
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if meta:
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zip.writestr(os.path.splitext(tga_file)[0] + '.meta', meta)
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print 'Wrote ZIP archive \'{}\''.format(out_file)
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def unzip(args):
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if not os.path.isfile(args.archive):
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print >> sys.stderr, '\'{}\' does not exist or is not a file\n'.format(args.archive)
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sys.exit(1)
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out_dir = os.path.normpath(os.path.splitext(args.archive)[0])
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if os.path.exists(out_dir):
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if not os.path.isdir(out_dir):
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print >> sys.stderr, '\'{}\' already exists and is not a directory\n'.format(out_dir)
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sys.exit(1)
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if len(os.listdir(out_dir)) > 0:
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if not args.yes and not overwrite_prompt('\'{}\' is not empty, overwrite?'.format(out_dir)):
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sys.exit(0)
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else:
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os.mkdir(out_dir)
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files = {}
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with zipfile.ZipFile(args.archive, 'r', zipfile.ZIP_DEFLATED) as zip:
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for filename in zip.namelist():
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fileparts = os.path.splitext(filename)
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name, ext = fileparts[0].lower(), fileparts[1].lower()
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data = files.setdefault(name, {'tga': None, 'meta': None})
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if data['tga'] is None and ext == '.tga':
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data['tga'] = zip.read(filename)
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elif data['meta'] is None and ext == '.meta':
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data['meta'] = json.loads(zip.read(filename).decode('ascii'))
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if data['tga'] is not None and data['meta'] is not None:
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expand(data['tga'], data['meta'], os.path.join(out_dir, name) + '.tga')
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del files[name]
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for name, data in files.items():
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expand(data['tga'], None, os.path.join(out_dir, name) + '.tga')
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print 'Extracted files to \'{}\''.format(out_dir)
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parser = argparse.ArgumentParser(description='TGA archive utility.')
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subparsers = parser.add_subparsers()
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parser_zip = subparsers.add_parser('z', help='Build a ZIP archive from a directory of TGA files.')
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parser_zip.add_argument('directory', help='Directory of TGA files.')
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parser_zip.add_argument('-o', '--out', nargs='?', help='Output archive path (defaults to input directory name with ZIP extension in the current path).')
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parser_zip.add_argument('-y', '--yes', action='store_true', help='Confirm overwrite of existing ZIP archives.')
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parser_zip.set_defaults(func=zip)
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parser_unzip = subparsers.add_parser('u', help='Extract a ZIP archive of TGA files to a directory.')
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parser_unzip.add_argument('archive', help='ZIP archive of TGA files.')
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parser_unzip.add_argument('-o', '--out', nargs='?', help='Output directory (defaults to directory with name of the ZIP archive in the current path).')
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parser_unzip.add_argument('-y', '--yes', action='store_true', help='Confirm overwrite of files in output directory.')
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parser_unzip.set_defaults(func=unzip)
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args = parser.parse_args()
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args.func(args)
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