From e8fdc79ce773acafc7009a8f28924c12dd5a15b1 Mon Sep 17 00:00:00 2001
From: Charles Allderman <charlesal@taquanta.local>
Date: Thu, 13 Sep 2018 17:19:21 +0200
Subject: [PATCH] added error catching for null data returned

---
 pyiress/pyiress.py | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/pyiress/pyiress.py b/pyiress/pyiress.py
index 44738b1..d64be1a 100644
--- a/pyiress/pyiress.py
+++ b/pyiress/pyiress.py
@@ -148,9 +148,13 @@ def time_series(self,ticker,exchange,start_date,end_date,freq='daily',fields=[])
         part_date=start_date
         data=pd.DataFrame()
         while part_date < pd.Timestamp(end_date):
-            new_data=self._time_series(ticker,exchange,part_date,end_date,freq)
-            data=pd.concat([data,new_data])
-            part_date = data.index.max() + pd.DateOffset(1,'D')
+            try:
+                new_data=self._time_series(ticker,exchange,part_date,end_date,freq)
+                data=pd.concat([data,new_data])
+                part_date = data.index.max() + pd.DateOffset(1,'D')
+            except:
+                break
+            
         return data
     
     def dividends(self,ticker,exchange,start_date,end_date,freq=None,index_on='ExDividendDate'):
@@ -174,11 +178,15 @@ def dividends(self,ticker,exchange,start_date,end_date,freq=None,index_on='ExDiv
                           } } 
         
         inputs={**self.header, **parameters}
-        res=self.client.service.SecurityDividendGetBySecurity(Input=inputs)
-        data=zeep.helpers.serialize_object(res.Result.DataRows.DataRow)
-        df=pd.DataFrame(data)
-        df[index_on]=pd.to_datetime(df[index_on])
-        df=df.set_index(index_on)
+        
+        try:
+            res=self.client.service.SecurityDividendGetBySecurity(Input=inputs)
+            data=zeep.helpers.serialize_object(res.Result.DataRows.DataRow)
+            df=pd.DataFrame(data)
+            df[index_on]=pd.to_datetime(df[index_on])
+            df=df.set_index(index_on)
+        except:
+            df=pd.DataFrame()
         
         return df
 
@@ -247,11 +255,12 @@ def get_many(self,data_type,tickers,exchange,start_date,end_date,freq='daily'):
         method_to_call = getattr(self, data_type)
         for ticker in tickers:
             data=method_to_call(ticker,exchange,start_date,end_date,freq)
-            data=data.reset_index()
-            data['ticker']=ticker
-            data['exchange']=exchange
-            data=data.set_index([date_field[data_type],'ticker'])
-            data_list.append(data)
+            if len(data)>0:
+                data=data.reset_index()
+                data['ticker']=ticker
+                data['exchange']=exchange
+                data=data.set_index([date_field[data_type],'ticker'])
+                data_list.append(data)
         df_data=pd.concat(data_list)
         return df_data