python3.5 compat, dynamic insert query

1 files changed, 8 insertions, 5 deletions

diff --git a/weather-logger-receiver b/weather-logger-receiver
index 4332396..0b0219a 100755
--- a/weather-logger-receiver
+++ b/weather-logger-receiver
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# -*- coding: future_fstrings -*-
 
 import logging
 import os
@@ -37,12 +38,14 @@ def setup_serial(device_path):
 
 def add_data_to_db(data, handle, db_connection):
     db_cursor = db_connection.cursor()
+    columns = ["timestamp", "handle", "temperature"]
+    values = [int(time.time()), handle, data.values['Temperature']
+    if "Humidity" in data.values:
+        columns.append("humidity")
+        values.append(data.values['Humidity'])
     db_cursor.execute(f"INSERT INTO weather \
-                        (timestamp, handle, temperature, humidity) \
-                        VALUES (  {int(time.time())}, \
-                                \"{handle}\", \
-                                  {data.values['Temperature']}, \
-                                  {data.values['Humidity']})")
+                        ({','.join(columns)}) \
+                        VALUES ({','.join(values)})")
     db_connection.commit()