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ddsclobber.py
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ddsclobber.py
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"""ddsclobber
Converts a DDS file, or folder with DDS files to TGA files, overwriting anything that already exists.
Written in python. Uses ImageMagick/Wand to do the conversion.
Usage:
ddsclobber.py [FILE]
Options:
-h --help Show this screen.
-v --version Show version.
"""
from progressbar import ProgressBar, Bar, ETA, AdaptiveETA, FormatLabel, FormatCustomText
from docopt import docopt
from wand import image
import time
from pathlib import Path
def assert_dds(filename):
"""Ensure the file at a give path has the DDS magick-number
header. Throw an `AssertionError` if it does not match.
"""
DDS_HEADER = [
68, 68, 83
]
with open(filename, 'rb') as fd:
file_header = list(fd.read(3))
assert file_header == DDS_HEADER
def process_file(filename):
absolute_path = filename.resolve()
destination_path = filename.with_suffix('.tga').resolve()
with image.Image(filename=absolute_path) as img:
img.compression = "no"
img.save(filename=destination_path)
def run_file_conversion(file, errors):
try:
assert_dds(file)
process_file(file)
except AssertionError as e:
errors.append(file)
return errors
if __name__ == '__main__':
arguments = docopt(__doc__, version='ddsclobber 0.1.0')
# Get the list of files to process
if arguments.get('FILE', False):
input_path = arguments.get('FILE')
print('Input path:', input_path)
p = Path(input_path)
errors = []
# Processing a single file
if p.is_file():
print('Got a single file')
errors = run_file_conversion(p, errors)
else:
# Processing a directory, show progress bar
dds_contents = sorted(p.glob('**/*.dds'))
print('Found ', len(dds_contents), '.DDS files')
format_custom_text = FormatCustomText('Processing file: %(f)s', dict(f=''))
widgets = [ format_custom_text, ' ', Bar(), ' ', ETA(), ' ', AdaptiveETA()]
progress = ProgressBar(widgets=widgets)
for file in progress(dds_contents):
format_custom_text.update_mapping(f=file.resolve())
errors = run_file_conversion(file, errors)
print('Completed with', len(errors), 'error(s)')
if errors:
for error in errors:
print('Invalid DDS file:', error)