Advice on the Parameters class: implement attribute access (__getattr__) in addition to __getitem__. Compare f"""... WHERE created_on > {p['created_on']}} ..

Advice on the Parameters class: implement attribute access (__getattr__) in addition to __getitem__. Compare f"""... WHERE created_on > {p['created_on']}} ...""" to f"""... WHERE created_on > {p.created_on} ...""" The latter is a lot more readable and typeable, especially when it's meant to be used in f-strings which place additional restrictions on the usage of quotes.