add timestamp to RAW filenames (and XMP sidecars if present)

rdr-time.py

#!/usr/bin/python
import sys
import pyexiv2
import os

# print(sys.argv)

if sys.argv[1] == "-d":
	files = sys.argv[2:]
	realrun = False
else:
	files = sys.argv[1:]
	realrun = True

#print(files)

for f in files:
	try:
		md = pyexiv2.metadata.ImageMetadata(f)
		md.read()
		filedate = md.__getitem__('Exif.Photo.DateTimeOriginal').value.strftime("%Y-%m-%d-%H:%M:%S")
#		print(filedate)
	except:
		files.remove(f)

indent = max(list(map(lambda i: len(i),files)))+4

#print(files)

skipped = []

for raw in files:
	md = pyexiv2.metadata.ImageMetadata(raw)
	md.read()
	filedate = md.__getitem__('Exif.Photo.DateTimeOriginal').value.strftime("%Y-%m-%d-%H:%M:%S")
	
	raw_new = filedate+"--"+raw
	
	xmp = raw + ".xmp"
	xmp_new = filedate+"--"+xmp
	
	xmp_exists = os.path.isfile(xmp)
	xmp_new_exists = os.path.isfile(xmp_new)
	raw_new_exists = os.path.isfile(raw_new)

	if raw_new_exists:
		skipped.append(raw + " (new RAW name existed)")
		if xmp_exists:
			skipped.append(xmp + " (new RAW name existed)")
		continue

	# rename raw
	try:
		if realrun:
			os.rename(raw,raw_new)
		print(raw.ljust(indent)+" -> "+raw_new)
	except:
		skipped.append(raw + " (RAW rename error)")
		if xmp_exists:
			skipped.append(xmp + " (RAW rename error)")
		continue

	# if new xmp filename exists, backup
	if xmp_new_exists and realrun:
		os.rename(xmp_new,xmp_new+".bkp")

	# if xmp_exists rename xmp
	if xmp_exists:
		try:
			if realrun:
				os.rename(xmp,xmp_new)
			print(xmp.ljust(indent)+" -> "+xmp_new)
		except:
			skipped.append(xmp + " (XMP rename error)")

	################################################################
			
if skipped != []:
	print()
	print("----------------------------------------------------------------")
	print("These were skipped for one reason or another:")
	print()
	for i in skipped:
		print(i)
	print()