Upgrade to Python 3.8#1

Merged

ThomasMatern merged 3 commits intoThomasMatern:masterfrom

simon-graham:master

Dec 11, 2020

Commits on Nov 21, 2020

LF-37520: Added support for Python 3.8. This is based on https://github.com/mcejp/cefpython/commit/f4c0f0c06d52d154393002e7e779467b8bb369fe.
simon-graham
committed

Commits on Nov 22, 2020

LF-37520: More Python 3.8 support.
simon-graham
committed
LF-37520: Use abspath rather than realpath. This allows the build to be run from a subst-ed drive on Windows.
simon-graham
committed