modulegraph update

Hi,

I just pushed out an pretty invasive change to the tip of the modulegraph tree: the edges in that tree now have a DependencyInfo object associated with them that contains information about the location(s) of the import statements that caused the edge to exist. This new information will be used by py2app to give more useful reports about modules that cannot be found.

The change required some restructuring of the modulegraph source code, and as modulegraph didn’t have perfect test coverage (and still doesn’t) I may have missed some edge cases.  There may therefore be new and exciting bugs as well :-(

Ronald
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