This is a setup to automatically update a Ledger pricedb. It’s meant to work
for the author and is published for inspiration, not to be a tool that works
for everyone.

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Requires Python 3.6 or higher.

Put `rates` and `fetch_rates.py` somewhere on a server.

Put `update-rates` somewhere in your path on your local machine.

Choose a location to put the serverside data files, e.g. `/var/local/pricedb`.
Configure all three scripts as appropriate.

Create a cron job for `fetch_rates.py` on the server.

	0 0 * * * /usr/local/bin/python3 /usr/local/lib/pricedb/fetch_rates.py

To update the pricedb on your machine, run `update-rates`.