Nicer prints

src/phicli

@@ -19,7 +19,7 @@ def showuser(uid):
         print('User {} not found'.format(uid))
         return
 
-    print('\nuid: {}\n{}\n\n'.format(uid, pp(user)))
+    print(pp(user))
 
 
 @cli.register('add a new user', ['user identifier'])
@@ -28,6 +28,11 @@ def adduser(uid):
         full_prompt = '{} [{}] '.format(prompt, default)
         return input(full_prompt) or default
 
+    user = get_user_by_uid(client, uid)
+    if user is not None:
+        print("User {} already existing".format(uid))
+        return
+
     cn = ask('Common name:', uid)
     sn = ask('Last name:', uid)
     mail = ask('Mail:', '{}@localhost'.format(uid))
@@ -42,7 +47,8 @@ def adduser(uid):
 
     # Check
     user = get_user_by_uid(client, uid)
-    print('\nuid: {}\n{}\n\n'.format(uid, pp(user)))
+    print()
+    print(pp(user))
 
 
 @cli.register('delete an user', ['user identifier'])
@@ -54,8 +60,8 @@ def deluser(uid):
 
     user = get_user_by_uid(client, uid)
     if user is not None:
-        print('Deleting')
         delete_user(client, user)
+        print('Done')
     else:
         print('User {} not found'.format(uid))
 
@@ -67,18 +73,15 @@ def showgroup(cn):
         print('Group {} not found'.format(gcn))
         return
 
-    print('\ncn: {}\n{}\n\n'.format(cn, pp(group)))
-
+    print(pp(group))
 
 
 @cli.register('list all groups')
 def listgroups():
     groups = get_all_groups(client)
 
-    print()
     for group in groups:
         print(group['cn'])
-    print()
 
 
 @cli.register('add an user to a group',