Prep for pyhton3 branch

.travis.yml

@@ -20,7 +20,8 @@ install:
 script:
   - export LINO_CACHE_ROOT=$TRAVIS_BUILD_DIR/lino_cache
   - mkdir $LINO_CACHE_ROOT
-  - inv prep test
+  - if [[ $TRAVIS_BRANCH == python3 -o $TRAVIS_PYTHON_VERSION == 2* ]]; then inv cov; else exit 0; fi;
+#  - inv prep test
 #  - inv cov --no-html
 
 after_script:

requirements.python3.txt

@@ -0,0 +1,15 @@
+-e git+https://github.com/lino-framework/atelier.git@stable#egg=atelier
+-e git+https://github.com/lsaffre/commondata.git#egg=commondata
+-e git+https://github.com/lsaffre/commondata-be.git#egg=commondata.be
+-e git+https://github.com/lsaffre/commondata-ee.git#egg=commondata.ee
+-e git+https://github.com/lino-framework/lino.git@stable#egg=lino
+-e git+https://github.com/lino-framework/xl.git@stable#egg=lino_xl
+-e git+https://github.com/lino-framework/noi.git@stable#egg=lino_noi
+-e git+https://github.com/lino-framework/cosi.git@stable#egg=lino_cosi
+-e git+https://github.com/lino-framework/voga.git@stable#egg=lino_voga
+-e git+https://github.com/lino-framework/presto.git@stable#egg=lino_presto
+-e git+https://github.com/lino-framework/welfare.git@stable#egg=lino_welfare
+-e git+https://github.com/lino-framework/avanti.git@stable#egg=lino_avanti
+-e git+https://github.com/eliben/pycparser@release_v2.14#egg=pycparser
+-e git+https://github.com/cylonoven/django-mailbox.git#egg=django_mailbox
+radicale