[WIP] Exception handling

app/controller/exceptions/__init__.py

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+from .base import LibraryExceptionBase
+from .exc_01001X_create import LibraryCreationException

app/controller/exceptions/base.py

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+class LibraryExceptionBase(Exception):
+    def __init__(self, code, error):
+        self.code = code
+        self.error = error
+    
+    def to_dict(self):
+        return {
+            "status": "error",
+            "code": self.code,
+            "error": self.error,
+            "status_code": 400
+        }
+    
+    def __str__(self):
+        return f"ERROR {self.code}: {self.error}"
+    
+    def __repr__(self):
+        return f"LibraryExceptionBase(code={self.code!r}, error={self.error!r})"

app/controller/exceptions/exc_01001X_create.py

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+from .base import LibraryExceptionBase
+
+#010010
+class LibraryCreationException(LibraryExceptionBase):
+    def __init__(self, name, error, object, data, status_code=400):
+        self.code = "010010"
+        self.name = name
+        self.error = error
+        self.object = object
+        self.data = data
+        self.status_code = status_code
+
+    def to_dict(self):
+        return {
+            "status": "error",
+            "name": self.name,
+            "code": self.code,
+            "error": self.error,
+            "object": self.object,
+            "data": self.data,
+            "status_code": self.status_code
+        }
+    
+    def __repr__(self):
+        return f"LibraryCreationException(code={self.code!r}, error={self.error!r}), " \
+               f"object={self.object!r}, data={self.data!r}"