From/to unified pair name/exchange specific name

I’d like in unified API having two functions which map from unified names (e.g. BTC/EUR) to market specific name and back (e.g. BTCEUR for kraken IIRC).

This will help me test your library further and detect subtle errors.

I recommend names:

to_market_api_name(self, symbol)
to_unified_name(self, symbol)

They should throw exception of not found in the exchange load products. It should use cached load_products()

This functionality is implemented somewhere anyhow, it’s only about exposing it.

[kroitor]

Update: It’s in The Manual now.

[kroitor]

I’ve uploaded the interface to products, product symbols and product ids. Here’s how to use it:

import ccxt
k = ccxt.kraken ()
k.load_products ()

# symbol → product
k.products['BTC/USD']

# id → product
k.products_by_id['XXRPZUSD']

# symbol → id
k.products['BTC/USD']['id']

# id → symbol
k.products_by_id['XXRPZUSD']['symbol']

No functions, basic dictionaries indexed by appropriate fields. The are cached and can be force-reloaded if necessary.

You will get a userland standard Python exception if you access non-existent keys in these dicts. I hope the above solution simplifies the usage, closing this issue down now. Will soon add it to the Manual. Thanks again!