[KevinH]

If you want full control check out bookcontainer.py for the copy epub to folder routine. You specify the folder full path and can get actual file access to a full copy of all the epub's files.

If you never directly write to it, you can cheat and do something like:

bk._w.ebook_root

to access the actual internal-to-Sigil, ebook root path but if you write directly to there without using the proper plugin interface you will crash Sigil.

Sigil plugins use a "copy and modify on write approach" built into the bookcontainer.py and wrapper.py routines to protect Sigil.

So if a file is modified remember to only write its new contents using the proper plugin interface so that it is properly registered as being modified and stored away.