-# C related {{{
-export CFLAGS="-I$HOME/local/include -I/usr/local/include"
-export LDFLAGS="-L$HOME/local/lib -L/usr/local/lib"
-export -TU LD_LIBRARY_PATH ld_library_path
-ld_library_path=(~/local/lib)
+# Python options {{{
+export PIP_RESPECT_VIRTUALENV=true
+export PIP_VIRTUALENV_BASE=~/.virtualenvs
+export PYTHONDONTWRITEBYTECODE=1