PATCH: update python completion for 3.0

["U-ROSIE\\Administrator" <dougkearns@xxxxxxxxx>]

This adds support for both Python 2.6 and 3.0.  It seems like 2.x will
be around for some time so we should support both.

Regards,
Doug


Index: Completion/Unix/Command/_python
===================================================================
RCS file: /cvsroot/zsh/zsh/Completion/Unix/Command/_python,v
retrieving revision 1.6
diff -u -r1.6 _python
--- Completion/Unix/Command/_python	16 Jul 2005 11:57:48 -0000	1.6
+++ Completion/Unix/Command/_python	19 Jan 2009 10:06:16 -0000
@@ -1,23 +1,39 @@
 #compdef python
 
-# Python 2.4
+# Python 2.6
+# Python 3.0
 
 local curcontext="$curcontext" state line expl
 typeset -A opt_args
 
-_arguments -C -s -S \
+local -a args
+
+if _pick_variant python3=Python\ 3 python2 --version; then
+  args=(
+    '(-bb)-b[issue warnings about str(bytes_instance), str(bytearray_instance) and comparing bytes/bytearray with str]'
+    '(-b)-bb[issue errors about str(bytes_instance), str(bytearray_instance) and comparing bytes/bytearray with str]'
+  )
+else
+  args=(
+    '-Q+[division options]:division option:(old warn warnall new)'
+    '(-tt)-t[issue warnings about inconsistent tab usage]'
+    '(-t)-tt[issue errors about inconsistent tab usage]'
+    '-3[warn about Python 3.x incompatibilities]'
+  )
+fi
+
+_arguments -C -s -S "$args[@]" \
+  "-B[don't write .py\[co\] files on import]" \
   '(1 -)-c+[program passed in as string (terminates option list)]:python command:' \
   '-d[debug output from parser]' \
-  '-E[ignore environment variables (such as PYTHONPATH)]' \
+  '-E[ignore PYTHON* environment variables (such as PYTHONPATH)]' \
   '(1 * -)-h[display help information]' \
   '-i[inspect interactively after running script]' \
   '(1 * -)-m[run library module as a script (terminates option list)]:module:->modules' \
-  '-O[optimize generated bytecode]' \
+  '-O[optimize generated bytecode slightly]' \
   '-OO[remove doc-strings in addition to the -O optimizations]' \
-  '-Q+[division options]:division option:(old warn warnall new)' \
+  "-s[don't add user site directory to sys.path]" \
   "-S[don't imply 'import site' on initialization]" \
-  '-t[issue warnings about inconsistent tab usage]' \
-  '-tt[issue errors about inconsistent tab usage]' \
   '-u[unbuffered binary stdout and stderr]' \
   '-v[verbose (trace import statements)]' \
   '(1 * -)-V[display version information]' \