fixed string conversion bugs and logical error

core/management/commands/add_promo_logo.py

@@ -1,10 +1,9 @@
 import pathlib
 
+from django.apps import apps
 from django.core.management.base import BaseCommand
 from PIL import Image
 
-from sith.settings import BASE_DIR
-
 
 class Command(BaseCommand):
     def add_arguments(self, parser):
@@ -13,16 +12,24 @@ class Command(BaseCommand):
         parser.add_argument("-f", "--force", action="store_true")
 
     def handle(self, number: int, path: pathlib.Path, force: int, *args, **options):
-        if path.exists():
+        if not path.exists() or path.is_dir():
+            self.stdout.write("input file does not exist.")
+            return
+
         dest_path = pathlib.Path(
-                BASE_DIR / "core" / "static" / "core" / "img" / f"promo_{number}.png"
+            pathlib.Path(apps.get_app_config("core").path)
+            / "static"
+            / "core"
+            / "img"
+            / f"promo_{number}.png"
         )
+
         if dest_path.exists() and not force:
             over = input("File already exists, do you want to overwrite it? (y/N):")
             if over.lower() != "y":
                 return
         try:
-                with Image.open(options["path"]) as im:
+            with Image.open(path) as im:
                 im.resize((120, 120)).save(dest_path, format="PNG")
 
             self.stdout.write(
@@ -30,5 +37,3 @@ class Command(BaseCommand):
             )
         except IOError as ioe:
             self.stderr.write(ioe)
-        else:
-            self.stdout.write("input file does not exist.")