116: Added a user_initials property plugin to demostrate default() method

ipalib/plugins.py

@@ -60,6 +60,11 @@ api.register(user_find)
 
 
 # Register some properties for the 'user' object:
+class user_login(public.prop):
+    def get_doc(self, _):
+        return _('user login')
+api.register(user_login)
+
 class user_givenname(public.prop):
     def get_doc(self, _):
         return _('user first name')
@@ -70,10 +75,16 @@ class user_sn(public.prop):
         return _('user last name')
 api.register(user_sn)
 
-class user_login(public.prop):
+class user_initials(public.prop):
     def get_doc(self, _):
-        return _('user login')
-api.register(user_login)
+        return _('user initials')
+    def default(self, **kw):
+        givenname = kw.get('givenname', None)
+        sn = kw.get('sn', None)
+        if givenname is None or sn is None:
+            return None
+        return '%s%s' % (givenname[0], sn[0])
+api.register(user_initials)
 
 
 # Register some methods for the 'group' object:

ipalib/public.py

@@ -184,6 +184,7 @@ class cmd(plugable.Plugin):
                 yield (key, value)
 
     def normalize(self, **kw):
+        self.print_call('normalize', kw)
         return dict(self.normalize_iter(kw))
 
     def default_iter(self, kw):
@@ -194,29 +195,32 @@ class cmd(plugable.Plugin):
                     yield(option.name, value)
 
     def default(self, **kw):
+        self.print_call('default', kw)
         return dict(self.default_iter(kw))
 
     def validate(self, **kw):
+        self.print_call('validate', kw)
         for (key, value) in kw.items():
             if key in self.options:
                 self.options[key].validate(value)
 
     def execute(self, **kw):
+        self.print_call('execute', kw)
         pass
 
-    def print_n_call(self, method, kw):
+    def print_call(self, method, kw):
         print '%s.%s(%s)' % (
             self.name,
             method,
             ', '.join('%s=%r' % (k, v) for (k, v) in kw.items()),
         )
-        return getattr(self, method)(**kw)
 
     def __call__(self, **kw):
-        kw = self.print_n_call('normalize', kw)
-        kw.update(self.print_n_call('default', kw))
-        self.print_n_call('validate', kw)
-        return self.print_n_call('execute', kw)
+        self.print_call('__call__', kw)
+        kw = self.normalize(**kw)
+        kw.update(self.default(**kw))
+        self.validate(**kw)
+        self.execute(**kw)
 
 
 class obj(plugable.Plugin):