Distributing applications that use 3rd party modules

[Terry Reedy]

"eliben" <eliben at gmail.com> wrote in message 
news:b439e7f0-685b-46b6-b0ea-3161cc548868 at m45g2000hsb.googlegroups.com...
| Is there a simple way to find out which packages are used by my
| script ?

Ggrep for import statements?
 (But that only only gives direct dependencies.)
Does py2exe have an option to output the list it collects?|
I think people have mentioned such here.