Mercurial > ec-dotfiles
annotate bin/recompress @ 115:7c3cdb235bbb
The reverse of putcrc: rmcrc.
author | Edho Prima Arief <edho@myconan.net> |
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date | Fri, 21 Oct 2011 13:38:18 +0700 |
parents | 97e24e89388f |
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rev | line source |
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92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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1 #!/usr/bin/env python |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
2 |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
3 import sys, os |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
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changeset
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4 from PIL import Image |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
5 |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
6 |
95 | 7 # Raises a generic exception (exception.Exception) if input is not a PNG file. |
92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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8 def repng(filename): |
93
4f954c1e2fdc
Stop being pretentious and only return 0 or 1 in case of success or failure. Everything else is handled by exception handler.
Edho Prima Arief <edho@myconan.net>
parents:
92
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9 im = Image.open(filename) |
4f954c1e2fdc
Stop being pretentious and only return 0 or 1 in case of success or failure. Everything else is handled by exception handler.
Edho Prima Arief <edho@myconan.net>
parents:
92
diff
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10 if im.format == "PNG": |
94
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
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11 im.save(filename, "PNG", optimize=1) |
93
4f954c1e2fdc
Stop being pretentious and only return 0 or 1 in case of success or failure. Everything else is handled by exception handler.
Edho Prima Arief <edho@myconan.net>
parents:
92
diff
changeset
|
12 else: |
94
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
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13 raise Exception("Not a PNG image file") |
92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
14 |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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15 def hbytes(inbyte): |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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16 units = ["B", "kB", "MB", "GB", "TB", "PB"] |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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17 outbyte = float(inbyte) |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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18 current_unit = 0 |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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19 while outbyte > 1000: |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
20 outbyte /= 1000 |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
21 current_unit += 1 |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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22 return "%.2f %s" % (outbyte, units[current_unit]) |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
23 |
98
9be628347dce
Worst thing about unix: it allows control character and newline in its filename. Added handler to ensure that shit doesn't pass through. Makes things slow but it can't be helped (tm).
Edho Prima Arief <edho@myconan.net>
parents:
95
diff
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24 def sane_fn(filename): |
9be628347dce
Worst thing about unix: it allows control character and newline in its filename. Added handler to ensure that shit doesn't pass through. Makes things slow but it can't be helped (tm).
Edho Prima Arief <edho@myconan.net>
parents:
95
diff
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25 import re |
9be628347dce
Worst thing about unix: it allows control character and newline in its filename. Added handler to ensure that shit doesn't pass through. Makes things slow but it can't be helped (tm).
Edho Prima Arief <edho@myconan.net>
parents:
95
diff
changeset
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26 return re.sub(r"[\x00-\x1F\x7F\n\r]", "?", filename) |
9be628347dce
Worst thing about unix: it allows control character and newline in its filename. Added handler to ensure that shit doesn't pass through. Makes things slow but it can't be helped (tm).
Edho Prima Arief <edho@myconan.net>
parents:
95
diff
changeset
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27 |
99 | 28 def main(files): |
29 for filename in files: | |
98
9be628347dce
Worst thing about unix: it allows control character and newline in its filename. Added handler to ensure that shit doesn't pass through. Makes things slow but it can't be helped (tm).
Edho Prima Arief <edho@myconan.net>
parents:
95
diff
changeset
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30 print "Recompressing %s:" % sane_fn(filename), |
92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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31 sys.stdout.flush() |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
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32 try: |
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
33 byte_orig = os.path.getsize(filename) |
94
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
|
34 repng(filename) |
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
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35 byte_new = os.path.getsize(filename) |
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
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36 print "OK (%s => %s, %.2f%% saving)" % (hbytes(byte_orig), hbytes(byte_new), (byte_orig - byte_new)*100/float(byte_orig)), |
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
|
37 re = 0 |
92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
38 except: |
93
4f954c1e2fdc
Stop being pretentious and only return 0 or 1 in case of success or failure. Everything else is handled by exception handler.
Edho Prima Arief <edho@myconan.net>
parents:
92
diff
changeset
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39 print "Failed", |
4f954c1e2fdc
Stop being pretentious and only return 0 or 1 in case of success or failure. Everything else is handled by exception handler.
Edho Prima Arief <edho@myconan.net>
parents:
92
diff
changeset
|
40 print "(%s: %s)" % (sys.exc_type, sys.exc_value), |
92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
41 re = 1 |
94
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
|
42 finally: |
9790bc126ea6
Epic simplified error handling in true try/except/finally spirit.
Edho Prima Arief <edho@myconan.net>
parents:
93
diff
changeset
|
43 print "[%s]" % re |
92
03b02463cc16
omg python, recompresses image files. Because mplayer's png writer doesn't write compressed png.
Edho Prima Arief <edho@myconan.net>
parents:
diff
changeset
|
44 |
99 | 45 if __name__ == "__main__": |
46 main(sys.argv[1:]) |