Replace connexion by flask-smorest

Specify branch in connexion URL, as advocated in https://github.com/pypa/pip/issues/3610#issuecomment-283578756

ansible/deploy.yaml

@@ -64,22 +64,41 @@
     - pip: 
         name: wheel
         executable: pip3.6
-    # install jass
-    - pip: 
+    # install jass on server
+    - name: install jass from gitlab
+      pip: 
         name: git+https://gitlab.pasteur.fr/statistical-genetics/jass.git
         state: forcereinstall
         executable: pip3.6
-    # install frozen JASS requirements
+      when: not docker
     - name: download JASS frozen requirements file
       get_url:
         url: https://gitlab.pasteur.fr/statistical-genetics/jass/raw/master/requirements.txt
         dest: /tmp/requirements.txt
         force: yes
+      when: not docker
     - pip:
         requirements: /tmp/requirements.txt
         state: forcereinstall
         executable: pip3.6
-    - pip: 
+      when: not docker
+    # install jass on docker
+    - name: install jass from local
+      pip:
+        editable: true
+        name: file:///code/
+        state: forcereinstall
+        executable: pip3.6
+      when: docker
+    - name: install jass deps from local
+      pip:
+        requirements: /code/ansible/reqs-docker.txt
+        state: forcereinstall
+        executable: pip3.6
+      when: docker
+    # install python web deps
+    - name: install uwsgi
+      pip: 
         name: uwsgi
         executable: pip3.6
       become: true