dev/+pyenv: install latest pythons and essential packages

dev/+pyenv/install

@@ -1,7 +1,24 @@
 #!/usr/bin/env bash
 
-if [[ -d "$HOME/.pyenv" ]]; then
+if [[ ! -d "$HOME/.pyenv" || $FORCE ]]; then
-    >&2 echo "~/.pyenv already exists, can't install."
-else
     git clone https://github.com/yyuu/pyenv.git $HOME/.pyenv
+
+    # Install the latest v2 and v3 versions of python
+    source "$(cd $(dirname $0) && pwd)"/env.zsh
+    py2=$(pyenv install --list | sed 's/^  //' | grep -e '^3' | grep --invert-match 'dev\|a\|b' | tail -1)
+    py3=$(pyenv install --list | sed 's/^  //' | grep -e '^2' | grep --invert-match 'dev\|a\|b' | tail -1)
+    pyenv install "$py2"
+    pyenv install "$py3"
+    pyenv global "$py3" "$py2"
+
+    # Install global packages
+    for pip in pip2 pip3; do
+        $pip install --upgrade pip
+        $pip install ipython setuptools numpy matplotlib PyQT5
+    done
+
+    # Install packages needed for dotfile scripts
+    pip3 install totp pytz tzlocal
+else
+    >&2 echo "~/.pyenv already exists, can't install."
 fi