Currently the options help, info and debug must exist in the options
dictionary; however it might be that this is not the case if a method is
imported externally. This patch fixes this.
Also support using a storage URL or path as an argument for tempurl, and
adding a test to verify correct output in both cases.
Related-Bug: 1607519
Related-Bug: 1607523
Closes-Bug: 1607521
Change-Id: I0fb2ce125fe12d660e4deb778265016bdd5ff31b