Update doc / Finalyse for Python 2 but do not work for Python 3

NEWS

@@ -13,6 +13,7 @@ Enhancements and new features:
     * [Folders] Differentiate permission issue and non-existence of a directory (issue #828)
     * [Web UI] Add cpu name in quicklook plugin (issue #825)
     * Allow theme to be set in configuration file (issue #862)
+    * Display a warning message when Glances is outdated (issue #865) 
 
 Bugs corrected:
 

docs/config.rst

@@ -39,8 +39,18 @@ Syntax
 
 Glances reads configuration files in the *ini* syntax.
 
-Each plugin and export module can have a section. Below an example for
-the CPU plugin:
+A first section (called global) is available:
+
+.. code-block:: ini
+
+    [global]
+    # Does Glances should check if a newer version is available on Pypi ?
+    check_update=true
+
+
+
+Each plugin, export module and application monitoring process (AMP) can have a
+section. Below an example for the CPU plugin:
 
 .. code-block:: ini
 
@@ -58,6 +68,33 @@ the CPU plugin:
     steal_warning=70
     steal_critical=90
 
+an InfluxDB export module:
+
+.. code-block:: ini
+
+    [influxdb]
+    # Configuration for the --export-influxdb option
+    # https://influxdb.com/
+    host=localhost
+    port=8086
+    user=root
+    password=root
+    db=glances
+    prefix=localhost
+    #tags=foo:bar,spam:eggs
+
+or a NGinx AMP:
+
+.. code-block:: ini
+
+    [amp_nginx]
+    # Nginx status page should be enable (https://easyengine.io/tutorials/nginx/status-page/)
+    enable=true
+    regex=\/usr\/sbin\/nginx
+    refresh=60
+    one_line=false
+    status_url=http://localhost/nginx_status
+
 Logging
 -------
 

glances/main.py

@@ -208,7 +208,7 @@ Start the client browser (browser mode):\n\
         parser.add_argument('--process-short-name', action='store_true', default=False,
                             dest='process_short_name', help='force short name for processes name')
         parser.add_argument('-0', '--disable-irix', action='store_true', default=False,
-                            dest='disable_irix', help='Task\'s cpu usage will be divided by the total number of CPUs')
+                            dest='disable_irix', help='task\'s cpu usage will be divided by the total number of CPUs')
         if not WINDOWS:
             parser.add_argument('--hide-kernel-threads', action='store_true', default=False,
                                 dest='no_kernel_threads', help='hide kernel threads in process list')
@@ -229,7 +229,9 @@ Start the client browser (browser mode):\n\
                             dest='fs_free_space', help='display FS free space instead of used')
         parser.add_argument('--theme-white', action='store_true', default=False,
                             dest='theme_white', help='optimize display colors for white background')
-
+        # Globals options
+        parser.add_argument('--disable-check-update', action='store_true', default=False,
+                            dest='disable_check_update', help='disable online Glances version ckeck')
         return parser
 
     def parse_args(self):

glances/outdated.py

@@ -53,14 +53,14 @@ class Outdated(object):
         self.config = config
 
         # Set default value...
-        self.outdated_config_tag = True
         self.data = {
-            'installed_version': __version__,
-            'latest_version': '0.0',
-            'refresh_date': datetime.now()
+            u'installed_version': __version__,
+            u'latest_version': '0.0',
+            u'refresh_date': datetime.now()
         }
         # Read the configuration file
         self.load_config(config)
+        logger.debug("Check Glances version up-to-date: {0}".format(not self.args.disable_check_update))
 
         # And update !
         self.get_pypi_version()
@@ -71,8 +71,7 @@ class Outdated(object):
         global_section = 'global'
         if (hasattr(config, 'has_section') and
                 config.has_section(global_section)):
-            self.outdated_config_tag = config.get_value(global_section, 'check_update').lower() == 'true'
-            logger.debug("Check Glances version up-to-date: {0}".format(self.outdated_config_tag))
+            self.args.disable_check_update = config.get_value(global_section, 'check_update').lower() == 'false'
         else:
             logger.debug("Can not find section {0} in the configuration file".format(global_section))
             return False
@@ -93,7 +92,7 @@ class Outdated(object):
         The data are stored in a cached file
         Only update online once a week
         """
-        if not outdated_tag or not self.outdated_config_tag:
+        if not outdated_tag or self.args.disable_check_update:
             return
 
         # If the cached file exist, read-it
@@ -111,7 +110,7 @@ class Outdated(object):
 
     def is_outdated(self):
         """Return True if a new version is available"""
-        if not self.self.outdated_config_tag:
+        if self.args.disable_check_update:
             # Check is disabled by configuration
             return False
 
@@ -169,7 +168,7 @@ class Outdated(object):
         logger.debug("Get latest Glances version from the Pypi Restfull API ({0})".format(self.PYPI_API_URL))
 
         # Update the current time
-        self.data['refresh_date'] = datetime.now()
+        self.data[u'refresh_date'] = datetime.now()
 
         try:
             res = requests.get(self.PYPI_API_URL)
@@ -178,7 +177,7 @@ class Outdated(object):
         else:
             if res.ok:
                 # Update data
-                self.data['latest_version'] = json.loads(res.text)['info']['version']
+                self.data[u'latest_version'] = json.loads(res.text)['info']['version']
                 logger.debug("Save Glances version to the cache file")
             else:
                 logger.debug("Can not get the Glances version from the Pypi Restfull API ({0})".format(res.reason))