xchange
Many cryptocurrency exchange APIs, a single and unified API client
Installation
The project is hosted in PyPi, and you can install it using pip or pip3:
pip3 install xchange
Example of usage
>>> import os
>>> from xchange.factories import ExchangeClientFactory
>>> from xchange.constants import exchanges, currencies
# construct your API client
>>> ClientClass = ExchangeClientFactory.get_client(exchanges.KRAKEN)
>>> client = ClientClass(**{
... "api_key": os.environ.get('KRAKEN_KEY'),
... "api_secret": os.environ.get('KRAKEN_SECRET')
... })
# request API resources in an unified way
>>> ticker = client.get_ticker(currencies.BTC_USD)
>>> ticker
{'ask': Decimal('8590.00000'),
'bid': Decimal('8589.90000'),
'low': Decimal('8317.90000'),
'high': Decimal('8610.00000'),
'last': Decimal('8590.00000'),
'volume': Decimal('1856.51064490')}
# API responses are wrapped into normalized models
>>> type(ticker)
<class 'xchange.models.kraken.KrakenTicker'>
# dynamic attribute assignation of response fields
>>> ticker.last
Decimal('8638.10000')Polymorphic requests
>>> for exchange in exchanges.EXCHANGES:
... client = ExchangeClientFactory.get_client(exchange)(**{
... "api_key": "YOUR_KEY",
... "api_secret": "YOUR_SECRET"
... })
... ticker = client.get_ticker(currencies.BTC_USD)
... print("%s: $%d" % (exchange, ticker.last))
...
bitfinex: $8633
okex: $8749
kraken: $8633
