improved timezone awareness on upload

rowers/dataprep.py

@@ -5,7 +5,7 @@ from rowingdata import rowingdata as rrdata
 
 from rowers.tasks import handle_sendemail_unrecognized
 from rowers.tasks import handle_zip_file
-
+import pytz
 from rowingdata import rower as rrower
 from rowingdata import main as rmain
 
@@ -49,6 +49,8 @@ import datautils
 from utils import lbstoN
 from scipy.interpolate import griddata
 
+from timezonefinder import TimezoneFinder
+
 import django_rq
 queue = django_rq.get_queue('default')
 queuelow = django_rq.get_queue('low')
@@ -566,14 +568,41 @@ def save_workout_database(f2,r,dosmooth=True,workouttype='rower',
         #summary += '\n'
         #summary += row.intervalstats()
 
-    workoutdate = row.rowdatetime.strftime('%Y-%m-%d')
-    workoutstarttime = row.rowdatetime.strftime('%H:%M:%S')
     #workoutstartdatetime = row.rowdatetime
+    timezone_str = 'UTC'
     try:
-        workoutstartdatetime = thetimezone.localize(row.rowdatetime).astimezone(utc)
+        workoutstartdatetime = timezone.make_aware(row.rowdatetime)
     except ValueError:
         workoutstartdatetime = row.rowdatetime
 
+
+
+    try:
+        latavg = row.df[' latitude'].mean()
+        lonavg = row.df[' longitude'].mean()
+        tf = TimezoneFinder()
+        timezone_str = tf.timezone_at(lng=lonavg,lat=latavg)
+        if timezone_str == None:
+            timezone_str = tf.closest_timezone_at(lng=lonavg,
+                                                  lat=latavg)
+            workoutstartdatetime = pytz.timezone(timezone_str).localize(
+                row.rowdatetime
+            )
+        
+            
+    except ValueError,KeyError:
+        workoutstartdatetime = thetimezone.localize(
+            row.rowdatetime
+        ).astimezone(utc)
+
+
+    workoutdate = workoutstartdatetime.astimezone(
+        pytz.timezone(timezone_str)
+    ).strftime('%Y-%m-%d')
+    workoutstarttime = workoutstartdatetime.astimezone(
+        pytz.timezone(timezone_str)
+    ).strftime('%H:%M:%S')
+
     if makeprivate:
         privacy = 'hidden'
     else:
@@ -604,6 +633,7 @@ def save_workout_database(f2,r,dosmooth=True,workouttype='rower',
 		maxhr=maxhr,averagehr=averagehr,
 		startdatetime=workoutstartdatetime,
                 inboard=inboard,oarlength=oarlength,
+                timezone=timezone_str,
                 privacy=privacy)
 
 

rowers/views.py

@@ -6275,7 +6275,7 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
 						       "%Y-%m-%d %H:%M:%S")
 	    startdatetime = timezone.make_aware(startdatetime)
             startdatetime = startdatetime.astimezone(pytz.timezone(thetimezone))
-            print startdatetime
+
 
             # check if user is owner of this workout
             if checkworkoutuser(request.user,row):