more flexible functions, allow passing arguments to functions

wxget.py

@@ -12,6 +12,25 @@ UPDATE_INTERVAL = 60 * 20
 __weather = {}
 
 
+class AttrDict(dict):
+    """ Dictionary subclass whose entries can be accessed by attributes
+        (as well as normally).
+    """
+
+    def __init__(self, *args, **kwargs):
+        super(AttrDict, self).__init__(*args, **kwargs)
+        self.__dict__ = self
+
+    @staticmethod
+    def from_nested_dict(data):
+        """ Construct nested AttrDicts from nested dictionaries. """
+        if not isinstance(data, dict):
+            return data
+        else:
+            return AttrDict({key: AttrDict.from_nested_dict(data[key])
+                             for key in data})
+
+
 def update_weather(force=False):
     global __weather
     now = datetime.now()
@@ -22,6 +41,7 @@ def update_weather(force=False):
     if force or interval <= 0 or interval > UPDATE_INTERVAL:
         __weather = pywapi.get_weather_from_weather_com(LOCATION, UNITS)
         __weather.setdefault('current_conditions', {}).setdefault('last_checked', str(now))
+        __weather = AttrDict.from_nested_dict(__weather)
         print('updated weather at', now)
 
 
@@ -33,4 +53,4 @@ def get_weather(force_update=False):
 
 if __name__ == '__main__':
     while True:
-        print('{0[current_conditions][temperature]}\u00b0{0[units][temperature]}'.format(get_weather()))
+        print('{current_conditions.temperature}\u00b0{units.temperature}'.format(**get_weather()))