Changed the way exceptions are handled

classes/exceptions.py

@@ -0,0 +1,16 @@
+from typing import Any
+
+
+class SubmissionUnavailableError(Exception):
+    pass
+
+class SubmissionUploadError(Exception):
+    def __init__(self, file_path: str, status_code: int, content: Any) -> None:
+        self.status_code = status_code
+        self.content = content
+        super().__init__(f"Could not upload photo '{file_path}' due to HTTP {self.status_code}: {self.content}")
+
+class SubmissionDuplicatesError(Exception):
+    def __init__(self, file_path: str, duplicates: list) -> None:
+        self.duplicates = duplicates
+        super().__init__(f"Found duplicates of a photo '{file_path}': {self.duplicates}")