Add markets and increment version

exchanges/cex.py

@@ -0,0 +1,18 @@
+from exchanges.base import Exchange
+
+
+class Cex(Exchange):
+
+    TICKER_URL = 'https://cex.io/api/ticker/BTC/USD'
+
+    @classmethod
+    def _current_price_extractor(cls, data):
+        return data.get('last')
+
+    @classmethod
+    def _current_bid_extractor(cls, data):
+        return data.get('bid')
+
+    @classmethod
+    def _current_ask_extractor(cls, data):
+        return data.get('ask')

exchanges/coinbase.py

@@ -0,0 +1,28 @@
+from decimal import Decimal
+
+from exchanges.base import Exchange
+from exchanges.helpers import get_response
+
+
+class Coinbase(Exchange):
+
+    TICKER_URL = 'https://api.coinbase.com/v2/prices/BTC-{}/{}'
+
+    @classmethod
+    def _get_current_price(cls, currency='USD', price_type='spot'):
+        url = cls.TICKER_URL.format(currency, price_type)
+        data = get_response(url)
+        price = data.get('data').get('amount')
+        return Decimal(price)
+
+    @classmethod
+    def get_current_price(cls, currency='USD'):
+        return cls._get_current_price(currency=currency, price_type='spot')
+
+    @classmethod
+    def get_current_bid(cls, currency='USD'):
+        return cls._get_current_price(currency=currency, price_type='buy')
+
+    @classmethod
+    def get_current_ask(cls, currency='USD'):
+        return cls._get_current_price(currency=currency, price_type='sell')

exchanges/gemini.py

@@ -0,0 +1,50 @@
+from datetime import datetime, timedelta
+from decimal import Decimal
+from exchanges.base import Exchange
+from helpers import get_response
+
+
+class Gemini(Exchange):
+
+    TICKER_URL = 'https://api.gemini.com/v1/pubticker/btcusd'
+
+    @classmethod
+    def _current_price_extractor(cls, data):
+        return data.get('last')
+
+    @classmethod
+    def _current_bid_extractor(cls, data):
+        return data.get('bid')
+
+    @classmethod
+    def _current_ask_extractor(cls, data):
+        return data.get('ask')
+
+    @classmethod
+    def get_historical_data_as_dict(cls, start='2013-09-01'):
+        start_date = datetime.strptime(start, '%Y-%m-%d')
+        delta = datetime.today() - start_date
+        days = [start_date + timedelta(x) for x in range(delta.days + 1)]
+        data = map(cls._get_historical_data, days)
+        prices = {datetime.strftime(k, '%Y-%m-%d'): Decimal(str(v['price']))
+                  for (k,v) in zip(days, data)}
+        return prices
+
+    @classmethod
+    def get_historical_data_as_list(cls, start='2013-09-01'):
+        pass
+        start_date = datetime.strptime(start, '%Y-%m-%d')
+        delta = datetime.today() - start_date
+        days = [start_date + timedelta(x) for x in range(delta.days + 1)]
+        data = map(lambda day: cls._get_historical_data(day), days)
+        ret = [
+            {'date': datetime.strftime(k, '%Y-%m-%d'),
+             'price': Decimal(str(v['price']))}
+            for (k,v) in zip(days, data)
+        ]
+        return ret
+
+    @classmethod
+    def _get_historical_data(cls, day):
+        url = 'https://api.gemini.com/v1/trades/btcusd?since=%s&limit_trades=1'
+        return get_response(url % day.strftime('%s'))[0]

setup.py

@@ -1,21 +1,19 @@
 # Copyright (C) 2015 Bitquant Research Laboratories (Asia) Limited
 # Released under the Simplified BSD License
 
-from setuptools import (
-    setup,
-    find_packages,
-)
+from setuptools import setup
+
 
 setup(
     name='bitcoin-price-api',
-    version = '0.0.4',
+    version='0.0.5',
     author='Matthew Madurski',
     author_email='madurskimr@gmail.com',
     url='https://github.com/dursk/bitcoin-price-api',
     description="API's for bitcoin exchanges",
     long_description='''Price API's for bitcoin exchanges''',
     license='MIT',
     packages=['exchanges'],
-    install_requires = ['requests', 'python-dateutil'],
-    use_2to3 = True
+    install_requires=['python-dateutil==2.4.2', 'requests==2.9.1'],
+    use_2to3=True
 )