terminal width

python-test/.gitignore

@@ -0,0 +1 @@
+venv

python-test/flow.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import sys
+import os
 import asyncio
 from poll import (
     ble_conn,
@@ -10,7 +11,7 @@ from poll import (
     get_state, set_state
 )
 
-terminal_width = 80 + 20 # TODO detect?
+terminal_width = os.get_terminal_size().columns - 15
 
 def print_bar(value, start, end, unit):
     width = terminal_width