updated the converter script. error checking and readablity

JPGtoPNGconverter.py

@@ -2,18 +2,32 @@
 import os
 from PIL import Image
 
-path = sys.argv[1]
-directory = sys.argv[2]
-
-if not os.path.exists(directory):
-    os.makedirs(directory)
-
-
-for filename in os.listdir(path):
-  clean_name = os.path.splitext(filename)[0]
-  img = Image.open(f'{path}{filename}')
-  #added the / in case user doesn't enter it. You may want to check for this and add or remover it. 
-  img.save(f'{directory}/{clean_name}.png', 'png')
-  print('all done!')
+def run():
+    if len(sys.argv) == 3:            # check correct input
+        # The full path of the current dir > str
+        curpath = os.path.dirname(__file__) + "\\"
+        source = sys.argv[1]          # name of the pokemon dir
+        newDirectory = sys.argv[2]    # name of the new dir to create
+        try:
+            os.makedirs(curpath + newDirectory)     # create new folder
+            print(f"{newDirectory[:-1]} created succesfuly")
+            loopDirectory(curpath + source, curpath + newDirectory)   # start looping with full paths
+            print('all done!')
+        except OSError:               # if makedirs fails
+            print("folder already exists")
+    else:
+        print(f"{sys.argv[0]} requires 2 args to run")
 
+def loopDirectory(source, newDirectory):
+    for file in os.listdir(source):
+        clean_name = os.path.splitext(file)[0]
+        ext = os.path.splitext(file)[1]
+        if ext == '.jpg':     # run only if the file is a .jpg image
+            try:
+                img = Image.open(source + file)
+                img.save(newDirectory + clean_name + '.png', 'png')          
+            except:
+                print("somthing went wrong")
 
+if __name__ == "__main__":
+    run()