Add a basic logging system.

web/config.py

@@ -0,0 +1,34 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2014, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+# config.py - Core application configuration settings 
+#
+##########################################################################
+
+from logging import *
+
+# Application log level - one of:
+#   CRITICAL	50
+#   ERROR	40
+#   WARNING	30
+#   SQL		25
+#   INFO	20
+#   DEBUG       10
+#   NOTSET	0
+PGADMIN_LOG_LEVEL = DEBUG
+
+# Log file name
+PGADMIN_LOG_FILE = 'pgadmin4.log'
+
+# Log format. See 
+PGADMIN_LOG_FORMAT='%(asctime)s: %(levelname)s\t%(name)s:\t%(message)s'
+
+# Load local config overrides
+try:
+    from config_local import *
+except ImportError:
+    pass

web/pgAdmin4.py

@@ -1,9 +1,35 @@
-import os, sys, inspect
-from time import time,ctime
-from flask import Flask
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2014, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+# pgAdmin4.py - Main application entry point
+#
+##########################################################################
 
+import os, sys, inspect
+from time import time, ctime
+from flask import Flask
+import logging
+
+# We need to include the root directory in sys.path to ensure that we can
+# find everything we need when running in the standalone runtime.
+sys.path.append(os.path.dirname(__file__))
+
+# Configuration settings
+from config import *
+
+# Setup the app object
 app = Flask(__name__)
 
+# Setup logging and log the application startup
+logging.addLevelName(25, 'SQL')
+logging.basicConfig(filename=PGADMIN_LOG_FILE, format=PGADMIN_LOG_FORMAT, level=logging.DEBUG)
+app.logger.setLevel(PGADMIN_LOG_LEVEL)
+app.logger.debug('Starting pgAdmin 4...')
+
 # The main index page
 @app.route("/")
 def index():
@@ -17,7 +43,6 @@ Today is <b>%s</b>
 
     return output
 
-
 # A special URL used to "ping" the server
 @app.route("/ping")
 def ping():