Added Python plugin, moved pip completion into it.

plugins/python/_pip

@@ -1,9 +1,9 @@
 #compdef pip
 #autoload
 
-# pip zsh completion, based on homebrew completion
+# This completion is based on the Homebrew completion.
 
-_pip_installed() {
+function _pip-installed() {
   installed_pkgs=(`pip freeze`)
 }
 
@@ -37,10 +37,11 @@ fi
 case "$words[1]" in
   list)
       if [[ "$state" == forms ]]; then
-        _pip_installed
+        _pip-installed
         _requested installed_pkgs expl 'installed packages' compadd -a installed_pkgs
       fi ;;
   uninstall)
-    _pip_installed
+    _pip-installed
     _wanted installed_pkgs expl 'installed packages' compadd -a installed_pkgs ;;
 esac
+

plugins/python/python.plugin.zsh

@@ -0,0 +1,11 @@
+# Prepend PEP 370 per user site packages directory, which defaults to
+# ~/Library/Python on Mac OS X and ~/.local elsewhere, to PATH/MANPATH.
+if [[ "$OSTYPE" == darwin* ]]; then
+  path=($HOME/Library/Python/*/bin(N) $path)
+  manpath=($HOME/Library/Python/*/{,share/}man(N) $manpath)
+else
+  # This is subject to change.
+  path=($HOME/.local/bin $path)
+  manpath=($HOME/.local/{,share/}man(N) $manpath)
+fi
+