fixed creating price tables

Author: sirfoga

.bettercodehub.yml

@@ -0,0 +1,3 @@
+component_depth: 1
+languages:
+- python

.circleci/config.yml

@@ -4,7 +4,7 @@
 
 [![Code Health](https://landscape.io/github/sirfoga/pyhodl/master/landscape.svg?style=flat)](https://landscape.io/github/sirfoga/pyhodl/master) [![BCH compliance](https://bettercodehub.com/edge/badge/sirfoga/pyhodl?branch=master)](https://bettercodehub.com/) [![Code Climate](https://lima.codeclimate.com/github/sirfoga/pyhodl/badges/gpa.svg)](https://codeclimate.com/github/sirfoga/pyhodl)
 
-[![Build Status](https://travis-ci.org/sirfoga/pyhodl.svg?branch=master)](https://travis-ci.org/sirfoga/pyhodl)
+[![Build Status](https://travis-ci.org/sirfoga/pyhodl.svg?branch=master)](https://travis-ci.org/sirfoga/pyhodl) [![CircleCI](https://circleci.com/gh/sirfoga/pyhodl.png)](https://circleci.com/gh/sirfoga/pyhodl)
 
 ![Python version](https://img.shields.io/badge/Python-3.5.2-blue.svg) ![pylint Score](https://mperlet.de/pybadge/badges/9.14.svg)
 

README.md

@@ -17,5 +17,4 @@
 
 
 pip3 install . --upgrade --force-reinstall
-pip3 install six==1.10.0  # gdax requires these dependencies
-pip3 install requests==2.13.0
+python3 setup.py test

install.sh

@@ -61,3 +61,14 @@
 FIAT_COINS = [Coin("USD"), Coin("EUR")]  # supported fiat coins
 DEFAULT_FIAT = "USD"
 CRYPTO_COINS = CoinsNamesTable(COINS_DATABASE).get_coins()
+
+
+def get_coin_historical_data_file(currency):
+    """
+    :param currency: str
+        Currency to get
+    :return: str
+        Path to file containing currency historical data
+    """
+
+    return os.path.join(HISTORICAL_DATA_FOLDER, currency.lower() + ".json")

pyhodl/config.py

@@ -24,7 +24,7 @@
 from hal.files.parsers import JSONParser
 
 from pyhodl.config import HISTORICAL_DATA_FOLDER, DATE_TIME_KEY, VALUE_KEY, \
-    INFINITY
+    INFINITY, get_coin_historical_data_file
 from pyhodl.utils import parse_datetime
 
 
@@ -47,9 +47,14 @@ def __init__(self, input_file, max_error_search):
             for item in self.get_content()
         }  # date -> raw dict
         self.dates = sorted(self.content.keys())  # sorted list of all dates
-
         self.max_error = float(max_error_search)  # seconds
 
+    def get_content(self):
+        if os.path.exists(self.path):
+            return super().get_content()
+
+        return {}
+
     def get_values_on(self, date_time):
         """
         :param date_time: datetime
@@ -112,10 +117,10 @@ def get_value_on(self, date_time):
 class CoinPricesTable(DatetimeTable):
     """ Parse market data files """
 
-    def __init__(self, currency="USD"):
+    def __init__(self, currency):
         DatetimeTable.__init__(
             self,
-            os.path.join(HISTORICAL_DATA_FOLDER, currency.lower() + ".json"),
+            get_coin_historical_data_file(currency),
             24 * 60 * 60  # a day
         )
 
@@ -141,7 +146,7 @@ def get_value_on(self, coin, date_time):
         return None
 
 
-COINS_PRICES_TABLE = CoinPricesTable()
+COINS_PRICES_TABLE = CoinPricesTable("USD")
 
 
 def get_coin_prices_table(currency="USD"):