update version number, text in:
- announcement.msg
- CHANGES
- lib/__init__.py
- lib3/__init__.py
- setup.py

ensure libyaml version is up to date in .travis.yml and .appveyor.yml

commit with "changes for release X.Y"

push to release branch

mkdir /tmp/pyyaml-release
cd /tmp/pyyaml-release
mkdir work

docker run -it  -v$PWD/work:/work python:3.7-buster bash
--->
pip install cython twine

git clone https://github.com/yaml/pyyaml -b (release branch)
git clone https://github.com/yaml/libyaml -b (current branch)

cd libyaml
./bootstrap
./configure
make
make test-all
make install
ldconfig

cd ../pyyaml
make dist PYTHON=python
# get wheels from AppVeyor artifacts, copy to dist/
https://ci.appveyor.com/project/nitzmahone/pyyaml-fk6n7 -> Artifacts
twine upload dist/*

cp dist/* /work/

exit docker


tag release, push tag

merge to master

update yaml/pyyaml.org

copy all release binaries from /tmp/pyyaml-release/work to download/pyyaml

* wiki/index.md News section
* wiki/PyYAML.md History

% make update

push