Get all Countries Currency rates for specific Country

Author: ravi

.gitignore

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+env
+*.pyc
+*.*~

CurrencyPy/__init__.py

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+import requests
+import datetime
+
+
+class RateNotFoundError(Exception):
+    """
+    Custom exception when conversion rate not found for given Country
+    """
+    pass
+
+
+class SourceNotReadyError(Exception):
+    """
+    Custome Exception when http://fixer.io/ is Down are not available for currency rates
+    """
+    pass
+
+
+class Common:
+
+    def __init__(self):
+        pass
+    
+    def _source_url(self):
+        return "http://api.fixer.io/"
+
+    def _validate_date(self, date_str):
+        try:
+            datetime.datetime.strptime(date_str, '%Y-%m-%d')
+        except ValueError:
+            raise ValueError("Incorrect date String, date_str should be YYYY-MM-DD")
+
+
+class CurrencyRates(Common):
+
+    def get_all_rates(self, base_cur, date_str=None):
+
+        if date_str is None:
+            date_str = 'latest'
+        else:
+            self._validate_date(date_str)
+            date_str = str(date_str)
+
+        payload = {'base': base_cur}
+        source_url = self._source_url() + date_str
+        response = requests.get(source_url, params=payload)
+        if response.status_code == 200:
+            rates = response.json().get('rates', {})
+            print type(rates)
+            return rates
+        raise SourceNotReadyError("Currency Rates Source Not Ready")