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96 lines
2.5 KiB
Python
96 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""
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remove exif tags from uploaded images
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dependencies:
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exiftool
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about:
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creates a "noexif" subfolder and puts exif-stripped copies of each image there,
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the reason for the subfolder is to avoid issues with the up2k.db / deduplication:
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if the original image is modified in-place, then copyparty will keep the original
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hash in up2k.db for a while (until the next volume rescan), so if the image is
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reuploaded after a rescan then the upload will be renamed and kept as a dupe
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alternatively you could switch the logic around, making a copy of the original
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image into a subfolder named "exif" and modify the original in-place, but then
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up2k.db will be out of sync until the next rescan, so any additional uploads
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of the same image will get symlinked (deduplicated) to the modified copy
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instead of the original in "exif"
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or maybe delete the original image after processing, that would kinda work too
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example copyparty config to use this:
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-v/mnt/nas/pics:pics:rwmd,ed:c,e2ts,mte=+noexif:c,mtp=noexif=ejpg,ejpeg,ad,bin/mtag/image-noexif.py
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explained:
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for realpath /mnt/nas/pics (served at /pics) with read-write-modify-delete for ed,
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enable file analysis on upload (e2ts),
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append "noexif" to the list of known tags (mtp),
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and use mtp plugin "bin/mtag/image-noexif.py" to provide that tag,
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do this on all uploads with the file extension "jpg" or "jpeg",
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ad = parse file regardless if FFmpeg thinks it is audio or not
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PS: this requires e2ts to be functional,
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meaning you need to do at least one of these:
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* apt install ffmpeg
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* pip3 install mutagen
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and your python must have sqlite3 support compiled in
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"""
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import os
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import sys
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import filecmp
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import subprocess as sp
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try:
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from copyparty.util import fsenc
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except:
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def fsenc(p):
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return p.encode("utf-8")
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def main():
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cwd, fn = os.path.split(sys.argv[1])
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if os.path.basename(cwd) == "noexif":
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return
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os.chdir(cwd)
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f1 = fsenc(fn)
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f2 = os.path.join(b"noexif", f1)
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cmd = [
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b"exiftool",
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b"-exif:all=",
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b"-iptc:all=",
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b"-xmp:all=",
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b"-P",
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b"-o",
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b"noexif/",
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b"--",
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f1,
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]
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sp.check_output(cmd)
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if not os.path.exists(f2):
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print("failed")
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return
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if filecmp.cmp(f1, f2, shallow=False):
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print("clean")
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else:
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print("exif")
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# lastmod = os.path.getmtime(f1)
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# times = (int(time.time()), int(lastmod))
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# os.utime(f2, times)
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if __name__ == "__main__":
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try:
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main()
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except:
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pass
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