perl -MSafe -e'$s = Safe->new; $s->permit(Opcode::full_opset); $s->reval("use TestThingy;"); print $@'
This is TestThingy::import

##</code><code>##

3;0 root@ouranos:/home/juerd/modtest# perl -MSafe -e'$s = Safe->new; $s->permit(Opcode::full_opset); $s->reval("use Data::Dumper;"); print $@'
Can't load module Data::Dumper, dynamic loading not available in this perl.
  (You may need to build a new perl executable which either supports
  dynamic loading or has the Data::Dumper module statically linked into it.)
 at (eval 2) line 1
Compilation failed in require at (eval 2) line 1.
BEGIN failed--compilation aborted at (eval 2) line 1.