added additional attempt to clean up leftover image folders

pyproject.toml

@@ -5,7 +5,7 @@ license     = "MIT"
 name        = "x"                                                 # can't leave empty because of bug with `poetry install` from poetry.lock file
 readme      = "readme.md"
 repository  = "https://github.com/9-FS/2021-11-15-nHentai-to-PDF"
-version     = "1.0.0"
+version     = "1.0.1"
 
 [tool.poetry.dependencies]
 kfsconfig = "^1.0.0"

src/main.py

@@ -4,12 +4,14 @@
 from KFSfstr   import KFSfstr
 from KFSlog    import KFSlog
 import logging
+import os
 from get_hentai_ID_list import get_hentai_ID_list
 from Hentai             import Hentai
 
 
 @KFSlog.timeit
 def main():
+    cleanup_success: bool=True  #cleanup successful
     COOKIES_DEFAULT: str=json.dumps({
         "cf_clearance": "",
         "csrftoken": "",
@@ -38,4 +40,16 @@ def main():
         hentai.download()   # download hentai
     logging.info("--------------------------------------------------")
 
+
+    logging.info("Removing leftover image folders...")
+    for hentai_ID in hentai_ID_list:                                                                # attempt final cleanup
+        if os.path.isdir(f"./hentai/{hentai_ID}") and len(os.listdir(f"./hentai/{hentai_ID}"))==0:  # if cache folder still exists and is empty:
+            try:
+                os.rmdir(f"./hentai/{hentai_ID}")                                                   # try to clean up
+            except PermissionError:                                                                 # may fail if another process is still using directory like dropbox
+                logging.warning(f"Removing \"./hentai/{hentai_ID}\" failed with PermissionError.")
+                cleanup_success=False                                                               # cleanup unsuccessful
+    if cleanup_success==True:
+        logging.info("\rRemoved leftover image folders.")
+
     return