The previous behavior was to raise an exception
NotImplementedError: result of type 0
when the value of the property is VT_EMPTY.
(cherry picked from commit 19fb134185)
Previously, 'msilib.OpenDatabase()' function raised a
cryptical exception message when it couldn't open or
create an MSI file. For example:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
_msi.MSIError: unknown error 6e
(cherry picked from commit 4864a619dc)
I have compared output between pre- and post-patch runs of these tests
to make sure there's nothing missing and nothing broken, on both
Windows and Linux. The only differences I found were actually tests
that were previously *not* run.