WebFaction will migrate to tsoHost and tsoHost do not support PostgreSQL - webfaction.com
Alternatives hosting looks like WebFaction - Share Plan with support of PostgreSQL, MySQL, PHP and Django/Python.
Relevance
- limit memory size
- support
- unlimited websites
- unlimited bandwidth transfer
- price
Order by relevance by my opinion.
https://www.a2hosting.com
python 2 and 3
https://www.siteground.com
only python 3
https://www.hostpapa.com
do not have support python / django by share-webhosting