Calibe 1.4.
Click "Edit metadata" for an existing book.
Remove all existing formats for the book (green recycle button).
Add a new format (red plus/book button).
Click "Set metadata for the book (blue info icon)".
Error:
Code:
calibre, version 1.4.0
ERROR: Permission denied: Could not open foo.epub. Is it being used by another program?
Traceback (most recent call last):
File "site-packages\calibre\gui2\metadata\single.py", line 341, in cover_from_format
File "site-packages\calibre\gui2\metadata\basic_widgets.py", line 864, in get_selected_format_metadata
IOError: [Errno 13] Permission denied: u"foo.epub"
Click OK, OK to exit Edit metadata.
Click Edit metadata again. "Set metadata for the book (blue info icon)" is now OK.