Added class and os alternates

.oh-my-zsh/plugins/pyenv/pyenv.plugin.zsh

@@ -0,0 +1,41 @@
+# This plugin loads pyenv into the current shell and provides prompt info via
+# the 'pyenv_prompt_info' function. Also loads pyenv-virtualenv if available.
+
+FOUND_PYENV=$+commands[pyenv]
+
+if [[ $FOUND_PYENV -ne 1 ]]; then
+    pyenvdirs=("$HOME/.pyenv" "/usr/local/pyenv" "/opt/pyenv" "/usr/local/opt/pyenv")
+    for dir in $pyenvdirs; do
+        if [[ -d $dir/bin ]]; then
+            export PATH="$PATH:$dir/bin"
+            FOUND_PYENV=1
+            break
+        fi
+    done
+fi
+
+if [[ $FOUND_PYENV -ne 1 ]]; then
+    if (( $+commands[brew] )) && dir=$(brew --prefix pyenv 2>/dev/null); then
+        if [[ -d $dir/bin ]]; then
+            export PATH="$PATH:$dir/bin"
+            FOUND_PYENV=1
+        fi
+    fi
+fi
+
+if [[ $FOUND_PYENV -eq 1 ]]; then
+    eval "$(pyenv init - zsh)"
+    if (( $+commands[pyenv-virtualenv-init] )); then
+        eval "$(pyenv virtualenv-init - zsh)"
+    fi
+    function pyenv_prompt_info() {
+        echo "$(pyenv version-name)"
+    }
+else
+    # fallback to system python
+    function pyenv_prompt_info() {
+        echo "system: $(python -V 2>&1 | cut -f 2 -d ' ')"
+    }
+fi
+
+unset FOUND_PYENV pyenvdirs dir