Bump the minimum supported Python version to 2.4.

Signed-off-by: James Vega <jamessan@users.sourceforge.net>

INSTALL

@@ -1,6 +1,6 @@
 Common
 
-  First things first: Supybot *requires* at least Python 2.3.  There
+  First things first: Supybot *requires* at least Python 2.4.  There
 ain't no getting around it.  You can get it from http://www.python.org/.
 
   Recommended Software

RELNOTES

@@ -1,5 +1,7 @@
 Version 0.83.5
 
+The minimum supported Python version has been bumped to 2.4.
+
 utils.str.perlVariableSubstitute is deprecated in favor of using Python's
 string.Template directly.  perlVariableSubstitute will be removed in a future
 release.

docs/PLUGIN_TUTORIAL

@@ -331,8 +331,10 @@ handle argument parsing for plugin commands in a very nice and very powerful
 way. With no arguments, we simply need to just wrap it. For more in-depth
 information on using wrap check out the wrap tutorial (The astute Python
 programmer may note that this is very much like a decorator, and that's
-precisely what it is. However rather than use the @decorator syntax from Python
+precisely what it is. However, we developed this before decorators existed and
-2.4 we elect to stick with this syntax to remain compatible with Python 2.3.)
+haven't changed the syntax due to our earlier requirement to stay compatible
+with Python 2.3.  As we now require Python 2.4 or greater, this may eventually
+change to support work via decorators.)
 
 Now let's create a command with some arguments and see how we use those in our
 plugin commands. Let's allow the user to seed our RNG with their own seed

scripts/supybot

@@ -44,8 +44,8 @@ import shutil
 import signal
 import cStringIO as StringIO
 
-if sys.version_info < (2, 3, 0):
+if sys.version_info < (2, 4, 0):
-    sys.stderr.write('This program requires Python >= 2.3.0')
+    sys.stderr.write('This program requires Python >= 2.4.0')
     sys.stderr.write(os.linesep)
     sys.exit(-1)
 

scripts/supybot-plugin-create

@@ -43,8 +43,8 @@ def error(s):
     sys.stderr.write(os.linesep)
     sys.exit(-1)
 
-if sys.version_info < (2, 3, 0):
+if sys.version_info < (2, 4, 0):
-    error('This script requires Python 2.3 or newer.')
+    error('This script requires Python 2.4 or newer.')
 
 import supybot.conf as conf
 from supybot.questions import *

scripts/supybot-wizard

@@ -39,8 +39,8 @@ def error(s):
         sys.stderr.write(os.linesep)
     sys.exit(-1)
 
-if sys.version_info < (2, 3, 0):
+if sys.version_info < (2, 4, 0):
-    error('This program requires Python >= 2.3.0')
+    error('This program requires Python >= 2.4.0')
 
 import supybot
 

setup.py

@@ -32,8 +32,8 @@
 
 import sys
 
-if sys.version_info < (2, 3, 0):
+if sys.version_info < (2, 4, 0):
-    sys.stderr.write("Supybot requires Python 2.3 or newer.\n")
+    sys.stderr.write("Supybot requires Python 2.4 or newer.\n")
     sys.exit(-1)
 
 import textwrap