Using folders "Copies" and "Par label", hopefully

cutleft.py

@@ -20,17 +20,35 @@ if len(sys.argv) < 2:
 path_arg = sys.argv[1]
 files = []
 INPUT_DIR = ""
+COPIES_DIR = ""
 
 if os.path.isfile(path_arg) and path_arg.lower().endswith('.pdf'):
-    INPUT_DIR = os.path.dirname(path_arg)
+    COPIES_DIR = os.path.abspath(os.path.dirname(path_arg))
+    # If the file is inside a "Copies" folder, set INPUT_DIR to the parent
+    if os.path.basename(COPIES_DIR).lower() == 'copies':
+        INPUT_DIR = os.path.dirname(COPIES_DIR)
+    else:
+        INPUT_DIR = COPIES_DIR
     files = [os.path.basename(path_arg)]
 elif os.path.isdir(path_arg):
-    INPUT_DIR = path_arg
-    files = sorted([f for f in os.listdir(INPUT_DIR) if f.lower().endswith('.pdf') and
-                    "nonc" not in f.lower()])
+    # Support passing either the base dir or the Copies dir directly
+    abs_path = os.path.abspath(path_arg)
+    if os.path.basename(abs_path).lower() == 'copies':
+        COPIES_DIR = abs_path
+        INPUT_DIR = os.path.dirname(abs_path)
+    else:
+        INPUT_DIR = abs_path
+        COPIES_DIR = os.path.join(INPUT_DIR, 'Copies')
+
+    if os.path.exists(COPIES_DIR):
+        files = sorted([f for f in os.listdir(COPIES_DIR) if f.lower().endswith('.pdf') and
+                        "nonc" not in f.lower()])
+    else:
+        sys.exit(f"Error: Could not find 'Copies' directory inside {INPUT_DIR}")
 else:
     sys.exit("Error: Input must be a directory or a PDF file.")
 
+
 OUTPUT_DIR = os.path.join(INPUT_DIR, 'Cutleft')
 
 if not os.path.exists(OUTPUT_DIR):
@@ -90,7 +108,7 @@ pdf_cache_lock = threading.Lock()
 
 @lru_cache(maxsize=3)
 def _get_pdf_pages_cached(filename):
-    pdf_path = os.path.join(INPUT_DIR, filename)
+    pdf_path = os.path.join(COPIES_DIR, filename)
     return convert_from_path(pdf_path)
 
 def get_pdf_pages(filename):