fix: bounds get respected

development/actual_donwload.py

@@ -7,7 +7,8 @@ logging.getLogger().setLevel(logging.DEBUG)
 if __name__ == "__main__":
     commands = [
         "s: #a Crystal F",
-        "10"
+        "10",
+        "2",
     ]
 
     

music_kraken/cli/main_downloader.py

@@ -378,13 +378,13 @@ class Downloader:
                     continue
                 
                 i = 0
-                if possible_index.isdigit():
+                try:
                     i = int(possible_index)
-                else:
+                except ValueError:
                     raise MKInvalidInputException(message=f"The index \"{possible_index}\" is not a number.")
 
-                if i < 0 and i >= len(self.current_results):
-                    raise MKInvalidInputException(message=f"The index \"{i}\" is not within the bounds of 0-{len(self.current_results)}.")
+                if i < 0 or i >= len(self.current_results):
+                    raise MKInvalidInputException(message=f"The index \"{i}\" is not within the bounds of 0-{len(self.current_results) - 1}.")
                 
                 indices.append(i)
 

music_kraken/download/results.py

@@ -28,6 +28,9 @@ class Results:
         self._by_index = dict()
         self._page_by_index = dict()
 
+    def __len__(self) -> int:
+        return max(self._by_index.keys())
+
     def __getitem__(self, index: int): 
         return self._by_index[index]