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60 lines
1.7 KiB
60 lines
1.7 KiB
#!/usr/bin/python
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from datetime import datetime
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import struct
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import sys
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def get_mov_dates(filename):
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# borrowed from stackoverflow
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# https://stackoverflow.com/questions/21355316/getting-metadata-for-mov-video
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ATOM_HEADER_SIZE = 8
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# difference between Unix epoch and QuickTime epoch, in seconds
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EPOCH_ADJUSTER = 2082844800
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# open file and search for moov item
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f = open(filename, "rb")
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while 1:
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atom_header = f.read(ATOM_HEADER_SIZE)
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if atom_header[4:8] == b'moov':
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break
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else:
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try:
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atom_size = struct.unpack(">I", atom_header[0:4])[0]
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f.seek(atom_size - 8, 1)
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except struct.error:
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raise ValueError("no 'moov' header found in {}".format(filename))
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# found 'moov', look for 'mvhd' and timestamps
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atom_header = f.read(ATOM_HEADER_SIZE)
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if atom_header[4:8] == b'cmov':
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print("moov atom is compressed")
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elif atom_header[4:8] != b'mvhd':
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print("expected to find 'mvhd' header")
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else:
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f.seek(4, 1)
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creation_date = struct.unpack(">I", f.read(4))[0]
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modification_date = struct.unpack(">I", f.read(4))[0]
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created = datetime.utcfromtimestamp(creation_date - EPOCH_ADJUSTER)
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#modified = datetime.utcfromtimestamp(modification_date - EPOCH_ADJUSTER)
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# print(created)
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#return modified
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return created
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def get_date(path):
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"""Returns a tuple of strings (y, m, d) where m and d are zero-padded
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what sort-photos.py expects"""
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date = get_mov_dates(path)
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y, m, d = [str(a).zfill(2) for a in [date.year, date.month, date.day]]
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return (y, m, d)
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if __name__ == "__main__":
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path = sys.argv[1]
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date = get_date(path)
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print(date)
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