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98 lines
2.3 KiB
Python
98 lines
2.3 KiB
Python
#!/usr/bin/env python
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#
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# The Python Imaging Library.
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# $Id$
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#
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# convert image files
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#
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# History:
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# 0.1 96-04-20 fl Created
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# 0.2 96-10-04 fl Use draft mode when converting images
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# 0.3 96-12-30 fl Optimize output (PNG, JPEG)
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# 0.4 97-01-18 fl Made optimize an option (PNG, JPEG)
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# 0.5 98-12-30 fl Fixed -f option (from Anthony Baxter)
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#
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from __future__ import print_function
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import site
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import getopt, string, sys
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from PIL import Image
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def usage():
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print("PIL Convert 0.5/1998-12-30 -- convert image files")
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print("Usage: pilconvert [option] infile outfile")
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print()
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print("Options:")
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print()
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print(" -c <format> convert to format (default is given by extension)")
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print()
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print(" -g convert to greyscale")
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print(" -p convert to palette image (using standard palette)")
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print(" -r convert to rgb")
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print()
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print(" -o optimize output (trade speed for size)")
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print(" -q <value> set compression quality (0-100, JPEG only)")
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print()
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print(" -f list supported file formats")
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sys.exit(1)
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if len(sys.argv) == 1:
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usage()
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try:
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opt, argv = getopt.getopt(sys.argv[1:], "c:dfgopq:r")
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except getopt.error as v:
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print(v)
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sys.exit(1)
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format = None
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convert = None
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options = { }
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for o, a in opt:
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if o == "-f":
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Image.init()
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id = sorted(Image.ID)
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print("Supported formats (* indicates output format):")
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for i in id:
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if i in Image.SAVE:
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print(i+"*", end=' ')
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else:
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print(i, end=' ')
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sys.exit(1)
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elif o == "-c":
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format = a
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if o == "-g":
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convert = "L"
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elif o == "-p":
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convert = "P"
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elif o == "-r":
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convert = "RGB"
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elif o == "-o":
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options["optimize"] = 1
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elif o == "-q":
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options["quality"] = string.atoi(a)
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if len(argv) != 2:
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usage()
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try:
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im = Image.open(argv[0])
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if convert and im.mode != convert:
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im.draft(convert, im.size)
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im = im.convert(convert)
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if format:
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im.save(argv[1], format, **options)
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else:
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im.save(argv[1], **options)
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except:
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print("cannot convert image", end=' ')
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print("(%s:%s)" % (sys.exc_info()[0], sys.exc_info()[1]))
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