now working on linux with mariadb

rowers/dataprepnodjango.py

@@ -22,6 +22,7 @@ import sqlalchemy as sa
 
 from rowsandall_app.settings import DATABASES
 from rowsandall_app.settings_dev import DATABASES as DEV_DATABASES
+from rowsandall_app.settings_dev import use_sqlite
 
 from rowers.utils import lbstoN
 
@@ -58,7 +59,12 @@ database_url = 'mysql://{user}:{password}@{host}:{port}/{database_name}'.format(
 
 database_name_dev = DEV_DATABASES['default']['NAME']
 
-database_url_debug = 'sqlite:///'+database_name_dev
+database_url_debug = database_url
+
+if use_sqlite:
+    database_url_debug = 'sqlite:///'+database_name_dev
+
+
 
 # mapping the DB column names to the CSV file column names
 columndict = {
@@ -728,7 +734,7 @@ def fitnessmetric_to_sql(m,table='powertimefitnessmetric',debug=False,
         engine = create_engine(database_url, echo=False)
         
     columns = ', '.join(m.keys())
-    if debug:
+    if use_sqlite:
         placeholders  = ", ".join(["?"] * len(m))
     else:
         placeholders  = ", ".join(["%s"] * len(m))

rowers/interactiveplots.py

@@ -1121,6 +1121,9 @@ def fitnessmetric_chart(fitnessmetrics,user,workoutmode='rower',startdate=None,
     except TypeError:
         df = pd.DataFrame()
 
+    if df.empty:
+        return ["","no data"]
+
     groups = df.groupby(by='date').max()
 
     power4min = groups['power4min']