I do not think we will ever have auto-indent at the prompt, that is for IPython and the like.

Doc/tutorial/introduction.rst

@@ -593,13 +593,13 @@ This example introduces several new features.
   and ``!=`` (not equal to).
 
 * The *body* of the loop is *indented*: indentation is Python's way of grouping
-  statements.  Python does not (yet!) provide an intelligent input line editing
+  statements.  At the interactive prompt, you have to type a tab or space(s) for
-  facility, so you have to type a tab or space(s) for each indented line.  In
+  each indented line.  In practice you will prepare more complicated input
-  practice you will prepare more complicated input for Python with a text editor;
+  for Python with a text editor; all decent text editors have an auto-indent
-  most text editors have an auto-indent facility.  When a compound statement is
+  facility.  When a compound statement is entered interactively, it must be
-  entered interactively, it must be followed by a blank line to indicate
+  followed by a blank line to indicate completion (since the parser cannot
-  completion (since the parser cannot guess when you have typed the last line).
+  guess when you have typed the last line).  Note that each line within a basic
-  Note that each line within a basic block must be indented by the same amount.
+  block must be indented by the same amount.
 
 * The :func:`print` function writes the value of the expression(s) it is
   given.  It differs from just writing the expression you want to write (as we did