qtvcp: change default logging level

Changed default logging level to WARNING to quiet the terminal. Added -i 
option to turn on info logging if necessary.

Author: snowgoer540

docs/src/gui/qtvcp.adoc

@@ -73,17 +73,20 @@ Under the [DISPLAY] heading:
 ----
 DISPLAY = qtvcp <options> <screen_name>
   options:
-    -d debugging on
     -a set window always on top
     -c HAL component name. Default is to use the UI file name.
+    -d debugging on
+    -f fullscreen the window
     -g geometry: WIDTHxHEIGHT+XOFFSET+YOFFSET example: -g 200x400+0+100
+    -H execute HAL statements from FILE with halcmd after the component is set up and ready
+    -i set logging level to INFO
     -m maximize window
-    -f fullscreen the window
+    -o pass a string to qtvcp's handler file under self.w.USEROPTIONS_ list variable. can be multiple -o
     -t theme. Default is system theme
+    -u file path of a substitute handler file
+    -v enable VERBOSE debug output
     -x embed into a X11 window that doesn't support embedding.
     --push_xid send qtvcp's X11 window id number to standard output; for embedding
-    -u file path of a substitute handler file
-    -o pass a string to qtvcp's handler file under self.w.USEROPTIONS_ list variable. can be multiple -o
 
     all <options> must be before <screen name>
     <screen_name> is the base name of the .ui and _handler.py files.

lib/python/qtvcp/logger.py

@@ -45,6 +45,7 @@ def verbose(self, message, *args, **kws):
 
 # Global name of the base logger
 BASE_LOGGER_NAME = None
+BASE_LOGGER_FILE = None
 
 # Define the log message formats
 TERM_FORMAT = '[%(name)s][%(levelname)s]  %(message)s (%(filename)s:%(lineno)d)'
@@ -63,6 +64,7 @@ def getLogger(name):
 def setGlobalLevel(level):
     base_log = logging.getLogger(BASE_LOGGER_NAME)
     base_log.setLevel(level)
+    base_log.info('Logging to: yellow<{}>'.format(BASE_LOGGER_FILE))
     base_log.info('Base log level set to: yellow<{}>'.format(level))
 
 
@@ -75,6 +77,9 @@ def initBaseLogger(name, log_file=None, log_level=DEBUG):
     if not log_file:
         log_file = getLogFile(name)
 
+    global BASE_LOGGER_FILE
+    BASE_LOGGER_FILE = log_file
+
     # Clear the previous sessions log file
     with open(log_file, 'w') as fh:
         pass

src/emc/usr_intf/qtvcp/qtvcp.py

@@ -15,7 +15,7 @@
 #   We have do do this before importing other modules because on import
 #   they set up their own loggers as children of the base logger.
 from qtvcp import logger
-LOG = logger.initBaseLogger('QTvcp', log_file=None, log_level=logger.INFO)
+LOG = logger.initBaseLogger('QTvcp', log_file=None, log_level=logger.WARNING)
 
 
 from qtvcp.core import Status, Info, Qhal, Path
@@ -53,6 +53,8 @@
 use -g WIDTHxHEIGHT for just setting size or -g +XOFFSET+YOFFSET for just position.""")
           , Option( '-H', dest='halfile', metavar='FILE'
                   , help="execute HAL statements from FILE with halcmd after the component is set up and ready")
+          , Option( '-i', action='store_true', dest='info', default=False
+                  , help="Enable info output")
           , Option( '-m', action='store_true', dest='maximum', help="Force panel window to maximize")
           , Option( '-f', action='store_true', dest='fullscreen', help="Force panel window to fullscreen")
           , Option( '-t', dest='theme', default="", help="Set QT style. Default is system theme")
@@ -138,6 +140,9 @@ def __init__(self):
             # Log level defaults to INFO, so set lowest if in verbose mode
             logger.setGlobalLevel(logger.VERBOSE)
             LOG.verbose('VERBOSE DEBUGGING ON')
+        if opts.info:
+            logger.setGlobalLevel(logger.INFO)
+
 
         # a specific path has been set to load from or...
         # no path set but -ini is present: default qtvcp screen...or