keep track of stdout and stderr in log file

logger.py

@@ -1,11 +1,28 @@
 import logging
 import os
 import re
+import sys
 from datetime import datetime, timedelta
 
 from logging.handlers import RotatingFileHandler
 
 
+class StreamToLogger:
+    logger = None
+    level = None
+
+    def __init__(self, logger, level):
+        self.logger = logger
+        self.level = level
+
+    def write(self, buf):
+        for line in buf.rstrip().splitlines():
+            self.logger.log(self.level, line.rstrip())
+
+    def flush(self):
+        pass
+
+
 class CustomRotatingFileHandler(RotatingFileHandler):
     def doRollover(self):
         if self.stream:
@@ -53,3 +70,6 @@ def shouldRollover(self, record):
 sh = logging.StreamHandler()
 
 app_logger.addHandler(sh)
+
+sys.stdout = StreamToLogger(app_logger, logging.INFO)
+sys.stderr = StreamToLogger(app_logger, logging.ERROR)

modules/sensor/sensor_ant.py

@@ -21,6 +21,8 @@
 
 # ANT+
 _SENSOR_ANT = False
+
+_sys_stdout = sys.stdout
 f = open(os.devnull, "w")
 sys.stdout = f
 try:
@@ -33,7 +35,8 @@
 except ImportError:
     pass
 f.close()
-sys.stdout = sys.__stdout__
+sys.stdout = _sys_stdout
+
 if _SENSOR_ANT:
     app_logger.info("ANT")
 
@@ -303,3 +306,6 @@ def set_light_mode(self, mode, auto=False):
             self.device[
                 self.config.G_ANT["ID_TYPE"]["LGT"]
             ].send_light_setting_light_off_flash_low(auto)
+
+
+print("CUBU ANT")