[zsh] Update shell init; use ZSH autoloaded functions instead of a bunch of files

zsh/func/init_env_python

@@ -0,0 +1,34 @@
+#!/usr/bin/env zsh
+# vim:ft=zsh:
+# Eryn Wells <eryn@erynwells.me>
+
+function init_env_python
+{
+    local pythonRoot
+    local python27SitePackages
+
+    pythonRoot="$HOME/Library/Python"
+    if [[ -d "$pythonRoot" ]]; then
+        for f in `ls "$pythonRoot"`; do
+            prepend_to_path "$pythonRoot/$f/bin"
+        done
+    fi
+
+    python27SitePackages="$pythonroot/2.7/lib/python/site-packages"
+    if [[ -d "$python27SitePackages" ]]; then
+        if [[ ! -z $PYTHONPATH ]]; then
+            PYTHONPATH=$python27SitePackages:$PYTHONPATH
+        else
+            PYTHONPATH=$python27SitePackages
+        fi
+    fi
+
+    export PYTHONPATH
+
+    if which virtualenvwrapper.sh 1>/dev/null 2>&1; then
+        export WORKON_HOME="$HOME/src/py/.envs"
+        source `which virtualenvwrapper.sh`
+    fi
+}
+
+init_env_python "$@"