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nef.py
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nef.py
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import exifread
import os
import sys
from datetime import datetime
import re
import exiftool
def main():
if len(sys.argv) > 2:
print("Enter one directory to process.")
files = [f for f in os.listdir(sys.argv[1]) if os.path.isfile(os.path.join(sys.argv[1], f))]
for file in sorted(files):
dt = None
if re.match(r"\d{4}(0\d|1[012])([012]\d|3[01])_([01]\d|2[0123])h[0-5]\dm[0-5]\ds_DSC_\d{4}.(NEF|JPG|MOV)", file) is not None:
print(f"File already formatted '{file}'")
continue
if file.endswith(".NEF") or file.endswith(".JPG"):
with open(os.path.join(sys.argv[1], file), 'rb') as f:
tags = exifread.process_file(f, stop_tag="EXIF DateTimeOriginal")
dt = datetime.strptime(str(tags["EXIF DateTimeOriginal"]), "%Y:%m:%d %H:%M:%S")
elif file.endswith(".MOV"):
with exiftool.ExifToolHelper() as et:
metadata = et.get_metadata(os.path.join(sys.argv[1], file))
dt = datetime.strptime(str(metadata[0]["MakerNotes:CreateDate"]), "%Y:%m:%d %H:%M:%S")
else:
print(f"File type not supported: '{file}'")
continue
new_filename = f"{datetime.strftime(dt, '%Y%m%d_%Hh%Mm%Ss')}_{file}"
if re.match(r"\d{4}(0\d|1[012])([012]\d|3[01])_([01]\d|2[0123])h[0-5]\dm[0-5]\ds_DSC_\d{4}.(NEF|JPG|MOV)", new_filename) is not None:
print(new_filename)
os.rename(os.path.join(sys.argv[1], file), os.path.join(sys.argv[1], new_filename))
else:
raise Exception(f"File not well formatted: {new_filename}")
if __name__ == "__main__":
main()