[Scipy-svn] r2619 - trunk/Lib/sandbox/timeseries

[scipy-svn at scipy.org]

Author: mattknox_ca
Date: 2007-01-26 15:56:53 -0600 (Fri, 26 Jan 2007)
New Revision: 2619

Modified:
   trunk/Lib/sandbox/timeseries/tseries.py
Log:
fixed more bugs with empty time series

Modified: trunk/Lib/sandbox/timeseries/tseries.py
===================================================================
--- trunk/Lib/sandbox/timeseries/tseries.py	2007-01-26 21:49:05 UTC (rev 2618)
+++ trunk/Lib/sandbox/timeseries/tseries.py	2007-01-26 21:56:53 UTC (rev 2619)
@@ -199,8 +199,11 @@
             # Check dates ........
             if dates is None:
                 length = _getdatalength(data)
-                newdates = date_array(start_date=start_date, length=length,
-                                      freq=freq)                 
+                if length > 0:
+                    newdates = date_array(start_date=start_date, length=length,
+                                          freq=freq)
+                else:
+                    newdates = date_array([], freq=freq)
             elif not hasattr(dates, 'freq'):
                 newdates = date_array(dlist=dates, freq=freq)
             else:
@@ -882,8 +885,12 @@
     """
     if dates is None:
         length = _getdatalength(data)
-        dates = date_array(start_date=start_date, end_date=end_date,
-                           length=length, include_last=include_last, freq=freq)   
+        if length > 0:
+            dates = date_array(start_date=start_date, end_date=end_date,
+                               length=length, include_last=include_last, freq=freq) 
+        else:
+            dates = date_array([], freq=freq)
+  
     elif not isinstance(dates, DateArray):
         dates = date_array(dlist=dates, freq=freq)
     return TimeSeries(data=data, dates=dates, mask=mask, observed=observed,