Merge pull request #241 from UW-Hydro/develop

Develop

Author: arbennett

docs/whats-new.rst

@@ -5,6 +5,13 @@ What's New
 
 .. _whats-new.2.3.0:
 
+v2.3.3
+------
+
+Bug fixes
+~~~~~~~~~
+- Fix a bug in use of alternate calendars due to xarray change
+
 v2.3.2
 ------
 

metsim/datetime.py

@@ -55,21 +55,17 @@ def date_range(start=None, end=None, periods=None, freq='D', tz=None,
     else:
         # start and end are give
         if (start is not None) and (end is not None) and (periods is None):
-
             steps, units = decode_freq(freq)
             start_num, end_num = date2num(
                 pd.to_datetime([start, end]).to_pydatetime(),
                 units, calendar=calendar)
-            # Todo divide by freq
             periods = int((end_num - start_num) / steps) + 1
 
             times = num2date(
                 np.linspace(start_num, end_num, periods,
                             endpoint=True,
                             dtype=np.float128), units, calendar)
-
-            index = pd.DatetimeIndex(xr.conventions.nctime_to_nptime(times))
-
+            index = xr.CFTimeIndex(times).to_datetimeindex()
             return index
 
         else:

metsim/disaggregate.py

@@ -65,7 +65,8 @@ def disaggregate(df_daily: pd.DataFrame, params: dict,
     stop = (df_daily.index[-1] + pd.Timedelta('1 days') -
             pd.Timedelta("{} minutes".format(params['time_step'])))
     dates_disagg = date_range(df_daily.index[0], stop,
-                              freq='{}T'.format(params['time_step']))
+                              freq='{}T'.format(params['time_step']),
+                              calendar=params['calendar'])
     df_disagg = pd.DataFrame(index=dates_disagg)
     n_days = len(df_daily)
     n_disagg = len(df_disagg)