Adds the date info to a file based on the file name

date_file_to_exif.py

from datetime import datetime
import piexif  #piexif==1.1.3
import os
import sys

dir = sys.argv[1]

for file in os.listdir(dir):
    if file.endswith('.png'):
        continue
    if file.endswith('.mp4'):
        continue
    print(file)
    year, month, date, _ = file.split('_', 3)
    filename =f"{dir}/{file}"
    exif_dict = piexif.load(filename)
    new_date = datetime(int(year), int(month), int(date)).strftime("%Y:%m:%d %H:%M:%S")
    exif_dict['0th'][piexif.ImageIFD.DateTime] = new_date
    exif_dict['Exif'][piexif.ExifIFD.DateTimeOriginal] = new_date
    exif_dict['Exif'][piexif.ExifIFD.DateTimeDigitized] = new_date
    print(exif_dict)
    exif_bytes = piexif.dump(exif_dict)
    piexif.insert(exif_bytes, filename)