[core] Refactor -> replace some getter/setter pairs with attributes

Remove some set_* methods and replace them with a simple attribute.

see #23

bumblebee/engine.py

@@ -63,10 +63,10 @@ class Engine(object):
     def load_modules(self, modules):
         """Load specified modules and return them as list"""
         for module in modules:
-            self._modules.append(self.load_module(module["module"], module["name"]))
+            self._modules.append(self._load_module(module["module"], module["name"]))
         return self._modules
 
-    def load_module(self, module_name, config_name=None):
+    def _load_module(self, module_name, config_name=None):
         """Load specified module and return it as object"""
         if config_name is None:
             config_name = module_name
@@ -95,7 +95,7 @@ class Engine(object):
             for module in self._modules:
                 module.update(module.widgets())
                 for widget in module.widgets():
-                    widget.set_module(module)
+                    widget.link_module(module)
                     self._output.draw(widget=widget, engine=self)
             self._output.flush()
             self._output.end()

bumblebee/output.py

@@ -9,18 +9,14 @@ class Widget(object):
     """Represents a single visible block in the status bar"""
     def __init__(self, full_text):
         self._full_text = full_text
-        self._module = None
+        self.module = None
 
-    def set_module(self, module):
+    def link_module(self, module):
         """Set the module that spawned this widget
 
         This is done outside the constructor to avoid having to
         pass in the module name in every concrete module implementation"""
-        self._module = module.name
-
-    def module(self):
-        """Return the name of the module that spawned this widget"""
-        return self._module
+        self.module = module.name
 
     def full_text(self):
         """Retrieve the full text to display in the widget"""

bumblebee/theme.py

@@ -63,7 +63,7 @@ class Theme(object):
 
     def _get(self, widget, name, default=None):
         """Return the config value 'name' for 'widget'"""
-        module_theme = self._theme.get(widget.module(), {})
+        module_theme = self._theme.get(widget.module, {})
 
         padding = None
         if name != "padding":