partition builds by pymongo version

Author: dcrosta

.travis.yml

@@ -4,7 +4,15 @@ python:
   - 3.4
   - 3.5
   - 3.6
-  #  - 3.7-dev
+env:
+    # keep this list in sync with what's in tox.ini
+    - PYMONGO=pymongo30
+    - PYMONGO=pymongo31
+    - PYMONGO=pymongo32
+    - PYMONGO=pymongo33
+    - PYMONGO=pymongo34
+    - PYMONGO=pymongo35
+    - PYMONGO=pymongo36
 services: docker
 install: pip install tox tox-docker
-script: tox
+script: tox -e $(tox -l | grep "^$PYMONGO" | tr "\n" ",")

tox.ini

@@ -1,6 +1,8 @@
 [tox]
+
+; keep the pymongo list in sync with what's in .travis.yaml
 envlist=
-    mongo{32,34,36}-pymongo{30,31,32,33,34,35,36}-flask{0_11,0_12,10}
+    pymongo{30,31,32,33,34,35,36}-mongo{32,34,36}-flask{0_11,0_12,10}
 
 [testenv]
 docker =