Merge pull request #4 from alexandre-deceneux/create_update_in_place_…

…method

Add the `update_in_place` method

README.md

@@ -28,6 +28,14 @@ You can use the new_with() function to create a first set of parameters to log.
 logger = logger.new_with({"action": "get_logs"})
 ```
 
+## Add a new set of parameters
+
+You can use the update_in_place() function add a new set of parameters to the current logger instance.
+
+```
+logger.update_in_place({"resource_id": "0"})
+```
+
 ## Log information
 
 There are different kind of logs that will be written into syslog
@@ -79,6 +87,27 @@ def bar(logger):
     # log app / stack / request_id / action
     x_logger.info({"action": "do_something"})
 
+def update_logger_default_set(logger):
+    """
+    Update the logger instance by adding a new parameter set
+    """
+    logger.update_in_place({"resource_id": "0"}
+
+
+def baz(logger):
+    """
+    Third method
+    """
+    # log app / stack / step
+    x_logger.info({"step": "start"})
+
+    # Call the function that add "resource_id" to the logger parameter set
+    update_logger_default_set(logger)
+
+    # log app / stack / resource_id / step
+    x_logger.info({"step": "end"})
+
 foo(logger)
 bar(logger)
+baz(logger)
 ```

kibana_logger/__init__.py

@@ -29,6 +29,12 @@ def new_with(self, more_preset):
         new_preset = self._merge_with_preset(more_preset)
         return self.__class__(new_preset)
 
+    def update_in_place(self, more_preset):
+        '''Add some presets to the current instance ones.
+        Use this method wisely as it alters the current instance
+        '''
+        self.preset.update(more_preset)
+
     def _merge_with_preset(self, data):
         '''merge preset with given data
         '''
@@ -74,4 +80,3 @@ def critical(self, data):
         '''
         text = self._create_syslog_string(data)
         syslog.syslog(syslog.LOG_CRIT, text)
-