PicRenamer.py

# $VER: picrenamer.py v1.00 (05-Jun-2024) by Zeb/Slipstream

from sys import argv
from glob import glob
from pathlib import Path
from PIL import Image
from os import rename

#default values
strDirName="."
blnCommit=False
strAdd=""

def checkSlash(str):
  l=len(str)-1
  if str[l]=="/":
    return True
  else:
    return False

intCount=0

#parse the arguments on the command line
intArgC=len(argv)
if intArgC>1: #if no arguments use default values set at the top
  for i in range(1,intArgC):
    if argv[i]=="-d": #check for a directory name
      strDirName=argv[i+1]
      i+=1
    if argv[i]=="commit": #check for commit
      blnCommit=True
    if argv[i]=="-s": #check for a string to add
      strAdd=argv[i+1]
      i+=1

if not checkSlash(strDirName):
  strDirName=strDirName+"/"
print(f"Dir Name: {strDirName}")
lstFiles=glob(strDirName+"*.[j|J][p|P][g|G]")
lstFiles.sort()

for i in lstFiles:
  im=Image.open(i)
  tmp=im.getexif()
  dt=tmp[306].split(" ") #extract the date time into a list
  tm=dt[1].split(":")    #extract the date into a list
  dt=dt[0].split(":")    #extract the time into a list
  strAfter=f"{strDirName}{dt[0]}-{dt[1]}-{dt[2]} {tm[0]}-{tm[1]}-{tm[2]}"
  if len(strAdd)>0:
    strAfter=strAfter+" "+strAdd
  strAfter=strAfter+".jpg"
  file=Path(strAfter)
  if blnCommit:
    if file.exists():
      print(f"ERR: File '{strAfter}' exists ({i})")
    else:
      #print(f"Rename '{i}' to '{strAfter}'")
      rename(i,strAfter)
      intCount+=1
  else:
    print(f">'{i}' to '{strAfter}'")

if blnCommit:
  print(f"Files: {intCount}/{len(lstFiles)}")
else:
  print(f"Files: {len(lstFiles)} (nothing has been changed)")