poudriere, python ports, and flavors oh my?

[Christian Ullrich]

* Henrik Hudson wrote:

> So, I must be missing something. I have a poudriere jail specific
> make.conf like this:

> #Python
> DEFAULT_VERSIONS+= python=3.6 python2=2.7 python3=3.6

Same here, and this happens:

# cat /usr/local/etc/poudriere.d/py3-make.conf
DEFAULT_VERSIONS+=      python=3.6
# poudriere version
3.2.2
# poudriere testport -j stable -z py3 databases/py-psycopg2
[...]
[00:00:02] Building 2 packages using 2 builders
[00:00:02] Starting/Cloning builders
[00:00:02] Hit CTRL+t at any time to see build progress and stats
[00:00:02] [01] [00:00:00] Building lang/python27 | python27-2.7.14_1
[00:00:02] [01] [00:00:00] Finished lang/python27 | python27-2.7.14_1: 
Ignored: Blacklisted
[00:00:02] [01] [00:00:00] Skipping devel/py-setuptools at py27 | 
py27-setuptools-36.5.0: Dependent port lang/python27 | python27-2.7.14_1 
ignored
[00:00:02] Stopping 2 builders
[00:00:03] Error: Depends failed to build
[00:00:03] Failed ports:
[00:00:03] Skipped ports: devel/py-setuptools at py27
[00:00:03] Cleaning up
[00:00:03] Unmounting file systems

lang/python27 is blacklisted for set py3 to prevent exactly this kind of 
disaster. If I remove it from the blacklist, still _only_ py27-flavored 
packages are built.

This looks like the introduction of flavors disconnected the Python 
ports from DEFAULT_VERSIONS.

What is the purpose behind this, and how do I get poudriere to build 
py36-flavored packages now _without_ adding "@py36" to each and every 
Python port in the list I feed to bulk?

There is the claim in UPDATING that "People using Poudriere 3.2+ [...] 
do not have to do anything." Unless, it appears, they use any Python 
version other than 2.7, since adding flavor suffixes to port lists is 
not "not anything".

My current setup is to have two sets, one with default 2.7, the other 
with default 3.6, resulting in two separate pkg repos, and when I need a 
Python 3.6 package, I take it from that repo. It may be that this method 
is now obsolete, but I would have expected this to be mentioned somewhere.

-- 
Christian