From cf9c95fdf5fc132dc0b469c2ad1f69cd098b8c9a Mon Sep 17 00:00:00 2001
From: Sebastian Stammler <sebastian.stammler@gmail.com>
Date: Thu, 20 Jul 2023 16:42:11 +0200
Subject: [PATCH] Give more useful information for list updater

---
 simframe/frame/group.py   | 12 +++++++++++-
 simframe/frame/updater.py |  8 ++++----
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/simframe/frame/group.py b/simframe/frame/group.py
index 837009a..be34704 100644
--- a/simframe/frame/group.py
+++ b/simframe/frame/group.py
@@ -256,7 +256,17 @@ def _createupdatefromlist(self, ls):
         -------
         func : callable
             Function that is reduced by <self> and <ls>."""
-        return partial(_dummyupdatewithlist, self, ls)
+
+        # To give meaningful information a new class of partial is created
+        # with a new __repr__ method
+        class list_updater(partial):
+
+            def __repr__(self):
+                return type(self).__name__
+
+        f = list_updater(_dummyupdatewithlist, self, ls)
+        f.__doc__ = f"The attributes in this group are updated in the order: \n{ls}."
+        return f
 
     def _toc(self):
         ret = _toc_tree(self)
diff --git a/simframe/frame/updater.py b/simframe/frame/updater.py
index f2ccff5..bac7de0 100644
--- a/simframe/frame/updater.py
+++ b/simframe/frame/updater.py
@@ -43,13 +43,13 @@ def __str__(self):
         # Source/Docstring
         try:
             source = inspect.getsource(self._func)
-            cat = colorize("Source:", color="red") + "\n"
+            cat = colorize("Source:", color="red")
         except:
             source = self._func.__doc__
-            cat = colorize("Docstring:", color="red") + "\n"
+            cat = colorize("Docstring:", color="red")
         if source is not None:
-            s += cat
-            s += source
+            s += cat + "\n"
+            s += source + "\n"
         # File
         try:
             fn = inspect.getfile(self._func)