Fixes the missing EXIF metadata in the JPEGs from an iOS AutoStitch export.

AutoStitchMetadataFix.py

from argparse import ArgumentParser, ArgumentTypeError
import os.path
import fnmatch
from plistlib import readPlist
import exiftool

def directory(value):
	if not os.path.isdir(value) or not os.path.exists(value):
		msg = "'%s' is not a valid directory" % value
		raise ArgumentTypeError(msg)
	return value

parser = ArgumentParser(description='Fix AutoStitch Image Metadata')
parser.add_argument('--directory', type=directory, default=os.curdir, help='the directory to process')
args = parser.parse_args()

print 'Processing directory', args.directory, '...'
with exiftool.ExifTool() as et:
	for fn in fnmatch.filter(os.listdir(args.directory), 'SavedFileInfo_*.xml'):
		path = os.path.join(args.directory, fn)
		if not os.path.isfile(path):
			continue

		print 'Processing plist', fn, '...'
		pl = readPlist(path)

		filenames = pl['originalsFileNames'] + [pl['panoFileName']]
		filenames =	map(os.path.basename, filenames)
		filenames = map(lambda fn: os.path.join(args.directory, fn), filenames)

		tags = [
			'DateTimeOriginal=%s' % pl['date'].strftime('%Y:%m:%d %H:%M:%S'),
			'GPSTimeStamp=%s' % pl['date'].strftime('%Y:%m:%d %H:%M:%S'),
			'GPSLatitude=%r' % abs(pl['latitude']),
			'GPSLatitudeRef=%s' % ('N' if pl['latitude'] >= 0 else 'S'),
			'GPSLongitude=%r' % abs(pl['longitude']),
			'GPSLongitudeRef=%s' % ('E' if pl['longitude'] >= 0 else 'W')
#			'GPSAltitude=0',
#			'GPSAltitudeRef=0',
		]

		params = ["-" + t for t in tags]
		params.extend(filenames)

		try:
			result = et.execute_json(*params)
			print result
		except ValueError:
			pass