generate a new filename based on a JPEG file's EXIF data (in YYYYMMDDHHMMSS format)

new_filename_from_exif.py

import exifread

def new_filename_from_exif(filename):
	new_filename = None

	with open(filename, 'rb') as f:
		tags = exifread.process_file(f)

	if 'EXIF DateTimeOriginal' in tags:
		exif_date_time_original = tags['EXIF DateTimeOriginal']

		(datestamp, timestamp) = str(exif_date_time_original).split()

		(year, month, day) = datestamp.split(':')
		(hour, minute, second) = timestamp.split(':')

		new_filename = ''.join([year, month, day, hour, minute, second])

	return new_filename