Does dropping a database have to be done not in any transaction?

Question

From https://wiki.postgresql.org/wiki/Psycopg2_Tutorial

PostgreSQL can not drop databases within a transaction, it is an all or nothing command. If

Answer 1

I'm unfamiliar with psycopg2 so I can only provide steps to be performed.

Steps to be taken to perform DROP DATABASE from Python:

1. Connect to a different database, which you don't want to drop
2. Store current isolation level in a variable
3. Set isolation level to 0
4. Execute DROP DATABASE query
5. Set isolation level back to original (from #2)

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Steps to be taken to perform DROP DATABASE from PSQL:

1. Connect to a different database, which you don't want to drop
2. Execute DROP DATABASE query

Code in psql

\c second_db
DROP DATABASE first_db;

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Remember, that there can be no live connections to the database you are trying to drop.