From de53538487244baa3e2f334edb3e55814f847ec8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20Elio=20Petten=C3=B2?= <flameeyes@flameeyes.eu>
Date: Sat, 25 Feb 2017 19:04:09 +0000
Subject: Add a --vlog option to enable verbose logging.

This helps adding debug information to drivers, particularly those sending
encoded messages.
---
 glucometer.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/glucometer.py b/glucometer.py
index 3e6105b..be8fb02 100755
--- a/glucometer.py
+++ b/glucometer.py
@@ -9,6 +9,7 @@ __license__ = 'MIT'
 
 import argparse
 import importlib
+import logging
 import sys
 
 from dateutil import parser as date_parser
@@ -27,6 +28,11 @@ def main():
     '--device', action='store', required=True,
     help='Select the path to the glucometer device.')
 
+  parser.add_argument(
+    '--vlog', action='store', required=False, type=int,
+    help=('Python logging level. See the levels at '
+          'https://docs.python.org/3/library/logging.html#logging-levels'))
+
   subparsers.add_parser(
     'info', help='Display information about the meter.')
   subparsers.add_parser(
@@ -50,6 +56,8 @@ def main():
 
   args = parser.parse_args()
 
+  logging.basicConfig(level=args.vlog)
+
   driver = importlib.import_module('glucometerutils.drivers.' + args.driver)
   device = driver.Device(args.device)
 
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