finances

As an intermediate step towards #1015, and various parts thereof, would it be possible to ignore the syntax for features not currently supported, yet use the parts which are supported in trades?
I'm thinking out loud and wondering what effects this may have.

My end goal here is to be able to read a data file https://gitlab.com/snippets/1856416 without errors. Hledger would be able to parse thi

A list of all transactions for the month

In the current implementation, a single interface to tinydb exists: financeager.periods.TinyDbPeriod.
For adding different interfaces (e.g. for sqlite, Postgres), the base class should

• have abstract methods add_entry, remove_entry, update_entry, get_entry, get_entries
• provide the methods for validating and preprocessing input