Handle absence of anonymous user
Set cw_session and then cw_cnx request attributes to None in case anonymous
connection is not allowed (i.e. no "anon" user in config).
Then catch AuthenticationError in CubicWebPyramidHandler and return the 'login'
view.
Closes #4751862.
#!/usr/bin/make -f
.PHONY: build
build:
dh $@ --with python2
%:
dh $@ --with python2