fixes in rp3, performance chart

rowers/dataroutines.py

@@ -67,6 +67,7 @@ from rowers.models import (
 )
 
 import pytz
+from pytz.exceptions import UnknownTimeZoneError
 import collections
 import pendulum
 from rowingdata import rowingdata as rrdata
@@ -915,6 +916,12 @@ parsers = {
 
 
 def get_startdate_time_zone(r, row, startdatetime=None):
+    if isinstance(startdatetime, str):
+        try:
+            startdatetime = pendulum.parse(startdatetime)
+        except:
+            dologging('debuglog.log','Could not parse start date time '+startdatetime)
+        
     if startdatetime is not None and startdatetime != '':
         try:
             timezone_str = pendulum.instance(startdatetime).timezone.name
@@ -969,8 +976,11 @@ def get_startdate_time_zone(r, row, startdatetime=None):
     else:
         timezone_str = str(startdatetime.tzinfo)
 
-    startdatetime = startdatetime.astimezone(pytz.timezone(timezone_str))
-
+    try:
+        startdatetime = startdatetime.astimezone(pytz.timezone(timezone_str))
+    except UnknownTimeZoneError:
+        startdatetime = startdatetime.astimezone(pytz.utc)
+        
     startdate = startdatetime.strftime('%Y-%m-%d')
     starttime = startdatetime.strftime('%H:%M:%S')