corrected offline error to be catched.

django/didgeridoo/currencies/exchange_rates.py

@@ -24,14 +24,18 @@ def get_exchange_rate():
     # ~~~~~~~~~~~~~~~~~~~~~
     today = datetime.now().strftime("%Y-%m-%d")
     SNB_URL = 'https://www.snb.ch/selector/de/mmr/exfeed/rss'
+    urlsocket = ''
+    try:
         urlsocket = urllib.request.urlopen(SNB_URL)
+    except urllib.error.URLError as e:
+        print('err: urllib.request.urlopen: ', e.reason)
+    if urlsocket:
         root = ET.parse(urlsocket)
         root = ET.ElementTree(root)
-
         # ~~~~~~~~~~~~~~~~~~~~~
         # development block:
         # ~~~~~~~~~~~~~~~~~~~~~
-    # today = "2018-01-03"
+        # today = "2018-01-08"
         # try:
         #     root = ET.ElementTree(file='rss')
         # except Exception as e:
@@ -79,7 +83,7 @@ def get_exchange_rate():
                     print('%s (%s)' % (e, type(e)))
                     continue
             # Print dates for development:
-        # print("date:", date, "today:", today)
+            # print("date:", date, "today:", today)
             # only the values of today are used so check for date in XML:
             if date == today:
                 # now search for the currency exchange rate:
@@ -136,5 +140,5 @@ def get_exchange_rate():
                 # Print the Dictionary:
                 # print(exchange_rates)
             else:
-            break
+                continue
         return(exchange_rates, today)

django/didgeridoo/currencies/templates/currencies/index.html

@@ -14,13 +14,13 @@
           <tr>
               <th scope="col">DATE</th>
               <th scope="col">RATE</th>
-          <tr>
+          </tr>
             {% for currency in currency_USD_list %}
+            <tr>
               <td scope="col">{{ currency.date.date }}</td>
               <td scope="col">{{ currency.exchange_rate_to_chf }}</td>
-
+            </tr>
             {% endfor %}
-          <tr>
         </table>
       {% else %}
           <p class="alert">
@@ -34,13 +34,13 @@
         <tr>
             <th scope="col">DATE</th>
             <th scope="col">RATE</th>
-        <tr>
+        </tr>
           {% for currency in currency_EUR_list %}
+          <tr>
             <td scope="col">{{ currency.date.date }}</td>
             <td scope="col">{{ currency.exchange_rate_to_chf }}</td>
-
+          </tr>
           {% endfor %}
-        <tr>
       </table>
       {% else %}
           <p class="alert">
@@ -54,11 +54,12 @@
         <tr>
             <th scope="col">DATE</th>
             <th scope="col">RATE</th>
-        <tr>
+        </tr>
           {% for currency in currency_JPY_list %}
+          <tr>
             <td scope="col">{{ currency.date.date }}</td>
             <td scope="col">{{ currency.exchange_rate_to_chf }}</td>
-
+          </tr>
           {% endfor %}
         <tr>
       </table>
@@ -74,11 +75,12 @@
           <tr>
               <th scope="col">DATE</th>
               <th scope="col">RATE</th>
-          <tr>
+          </tr>
             {% for currency in currency_GBP_list %}
+            <tr>
               <td scope="col">{{ currency.date.date }}</td>
               <td scope="col">{{ currency.exchange_rate_to_chf }}</td>
-
+            </tr>
             {% endfor %}
           <tr>
         </table>

django/didgeridoo/currencies/views.py

@@ -12,11 +12,15 @@ def currencies(request):
     # prepares the view all dynamicaly.
     # It can grow in terms of more Currencies over time automaticaly.
     today = ''
-    raw_data = ''
+    raw_data = []
+    try:
         raw_data, today = exchange_rates.get_exchange_rate()
-    print('views raw_data: ', raw_data)  # assert False
+    except Exception as e:
+        print('views raw_data: ', raw_data, 'error:', e)  # assert False
     message_no = "Already querried today: "
     message_yes = " Updated successfully: "
+    if raw_data:
+        print(raw_data)
         for currency, rate in raw_data.items():
             if ExchangeRate.objects.filter(
                     date__date=today,