Mark Python 2.4 as minimum required version.

IPython/__init__.py

@@ -1,71 +1,72 b''
 # -*- coding: utf-8 -*-
 """
 IPython -- An enhanced Interactive Python
 
 One of Python's nicest features is its interactive interpreter. This allows
 very fast testing of ideas without the overhead of creating test files as is
 typical in most programming languages. However, the interpreter supplied with
 the standard Python distribution is fairly primitive (and IDLE isn't really
 much better).
 
 IPython tries to:
 
   i - provide an efficient environment for interactive work in Python
   programming. It tries to address what we see as shortcomings of the standard
   Python prompt, and adds many features to make interactive work much more
   efficient.
 
   ii - offer a flexible framework so that it can be used as the base
   environment for other projects and problems where Python can be the
   underlying language. Specifically scientific environments like Mathematica,
   IDL and Mathcad inspired its design, but similar ideas can be useful in many
   fields. Python is a fabulous language for implementing this kind of system
   (due to its dynamic and introspective features), and with suitable libraries
   entire systems could be built leveraging Python's power.
 
   iii - serve as an embeddable, ready to go interpreter for your own programs.
 
 IPython requires Python 2.3 or newer.
 
 $Id: __init__.py 2399 2007-05-26 10:23:10Z vivainio $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001-2006 Fernando Perez. <[e-mail]>
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 #*****************************************************************************
 
 # Enforce proper version requirements
 import sys
 
-if sys.version[0:3] < '2.3':
-    raise ImportError('Python Version 2.3 or above is required for IPython.')
+if sys.version[0:3] < '2.4':
+    raise ImportError('Python Version 2.4 or above is required for IPython.')
 
 # Make it easy to import extensions - they are always directly on pythonpath.
 # Therefore, non-IPython modules can be added to Extensions directory
 import os
 sys.path.append(os.path.dirname(__file__) + "/Extensions")
 
 # Define what gets imported with a 'from IPython import *'
 __all__ = ['ipapi','generics','ipstruct','Release','Shell']
 
 # Load __all__ in IPython namespace so that a simple 'import IPython' gives
 # access to them via IPython.<name>
 glob,loc = globals(),locals()
 for name in __all__:
+    #print 'Importing: ',name # dbg
     __import__(name,glob,loc,[])
 
 import Shell
 
 # Release data
 from IPython import Release # do it explicitly so pydoc can see it - pydoc bug
 __author__   = '%s <%s>\n%s <%s>\n%s <%s>' % \
                ( Release.authors['Fernando'] + Release.authors['Janko'] + \
                  Release.authors['Nathan'] )
 __license__  = Release.license
 __version__  = Release.version
 __revision__ = Release.revision
 
 # Namespace cleanup
 del name,glob,loc