From e3246f9bd788744557ffcdb3aff790fde6ef3717 Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Mon, 25 Oct 2021 12:55:42 +0200
Subject: [PATCH] small refactor

---
 inspector.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/inspector.py b/inspector.py
index 620ec92..47023a2 100644
--- a/inspector.py
+++ b/inspector.py
@@ -148,10 +148,7 @@ def format_value(obj): #TODO: make magic numbers configurable
     try:
         res = str(obj)
     except Exception as e:
-        tn = typename(e)
-        res = f"caused a {tn}"
-        if str(e): # e has a message
-            res += f": {e}"
+        res = printable_error(e)
     # try if separate lines can be used to shorten
     splitted = res.split("\n")
     if len(splitted) > 4:
@@ -177,6 +174,13 @@ def format_bkg_color(obj):
 def typename(obj):
     return type(obj).__name__
 
+def printable_error(exc):
+    tn = typename(exc)
+    res = f"caused a {tn}"
+    if str(exc): # exc has a message
+        res += f": {exc}"
+    return res
+
 
 
 inspector = VariableInspector()