added Size column (show obj.shape, len(obj) or nothing)

inspector.py

@@ -6,10 +6,10 @@ import ipywidgets
 
 
 
-HEADER = '<div class="rendered_html jp-RenderedHTMLCommon"><table><thead><tr><th>Name</th><th>Type</th><th>Value</th></tr></thead><tr><td>'
+HEADER = '<div class="rendered_html jp-RenderedHTMLCommon"><table><thead><tr><th>Name</th><th>Type</th><th>Size</th><th>Value</th></tr></thead><tr><td>'
 FOOTER = '</td></tr></table></div>'
 SEP    = '</td></tr><tr><td>'
-LINE   = '{0}</td><td>{1}</td><td>{2}'
+LINE   = '{0}</td><td>{1}</td><td>{2}</td><td>{3}'
 
 IGNORE = ["In", "Out", "exit", "quit", "get_ipython"]
 
@@ -30,7 +30,7 @@ class Singleton(type):
             inst = super().__call__(*args, **kwargs) # creates the instance (calls __new__ and __init__ methods)
             cls.__instance__ = weakref.ref(inst)
         return inst
-        
+
 
 
 class VariableInspector(object, metaclass=Singleton):
@@ -79,7 +79,7 @@ class VariableInspector(object, metaclass=Singleton):
 
 
 def format_line(k, v):
-    return LINE.format(k, typename(v), v)
+    return LINE.format(k, typename(v), size(v), v)
 
 def sorted_naturally(iterable, reverse=False):
     natural = lambda item: [int(c) if c.isdigit() else c.casefold() for c in RE_DIGITS.split(str(item))]
@@ -91,8 +91,18 @@ def is_good_entry(k, v):
 def typename(obj):
     return type(obj).__name__
 
+def size(obj):
+    try:
+        return obj.shape
+    except AttributeError:
+        try:
+            return len(obj)
+        except TypeError:
+            return ""
+
 
 
 inspector = VariableInspector()
 
 
+