no augeas

certbot-dns-cloudflare doesn't currently work in Python 3.7 because it transitively depends on pyYAML which doesn't yet support Python 3.7. See https://github.com/yaml/pyyaml/issues/126 for more info.

.travis.yml

@@ -1,4 +1,5 @@
 language: python
+dist: xenial
 
 cache:
     directories:
@@ -12,54 +13,8 @@ before_script:
 
 matrix:
   include:
-    - python: "2.7"
+    - python: "3.7"
-      env: TOXENV=py27_install BOULDER_INTEGRATION=v1
-      sudo: required
-      services: docker
-    - python: "2.7"
-      env: TOXENV=py27_install BOULDER_INTEGRATION=v2
-      sudo: required
-      services: docker
-    - python: "2.7"
-      env: TOXENV=cover FYI="this also tests py27"
-    - sudo: required
-      env: TOXENV=nginx_compat
-      services: docker
-      before_install:
-      addons:
-    - python: "2.7"
-      env: TOXENV=lint
-    - python: "3.4"
       env: TOXENV=mypy
-    - python: "3.5"
-      env: TOXENV=mypy
-    - python: "2.7"
-      env: TOXENV='py27-{acme,apache,certbot,dns,nginx}-oldest'
-      sudo: required
-      services: docker
-    - python: "3.4"
-      env: TOXENV=py34
-      sudo: required
-      services: docker
-    - python: "3.6"
-      env: TOXENV=py36
-      sudo: required
-      services: docker
-    - sudo: required
-      env: TOXENV=apache_compat
-      services: docker
-      before_install:
-      addons:
-    - sudo: required
-      env: TOXENV=le_auto_trusty
-      services: docker
-      before_install:
-      addons:
-    - python: "2.7"
-      env: TOXENV=apacheconftest
-      sudo: required
-    - python: "2.7"
-      env: TOXENV=nginxroundtrip
 
 
 # Only build pushes to the master branch, PRs, and branches beginning with
@@ -73,12 +28,10 @@ branches:
     - /^test-.*$/
 
 # container-based infrastructure
-sudo: false
+sudo: true
 
 addons:
   apt:
-    sources:
-    - augeas
     packages:  # Keep in sync with letsencrypt-auto-source/pieces/bootstrappers/deb_common.sh and Boulder.
     - python-dev
     - python-virtualenv
@@ -104,10 +57,3 @@ after_success: '[ "$TOXENV" == "cover" ] && coveralls'
 
 notifications:
   email: false
-  irc:
-    channels:
-      - secure: "SGWZl3ownKx9xKVV2VnGt7DqkTmutJ89oJV9tjKhSs84kLijU6EYdPnllqISpfHMTxXflNZuxtGo0wTDYHXBuZL47w1O32W6nzuXdra5zC+i4sYQwYULUsyfOv9gJX8zWAULiK0Z3r0oho45U+FR5ZN6TPCidi8/eGU+EEPwaAw="
-    on_cancel: never
-    on_success: never
-    on_failure: always
-    use_notice: true

tox.ini

@@ -14,8 +14,7 @@ pip_install = {toxinidir}/tools/pip_install_editable.sh
 # before the script moves on to the next package. All dependencies are pinned
 # to a specific version for increased stability for developers.
 install_and_test = {toxinidir}/tools/install_and_test.sh
-dns_packages =
+python37_compatible_dns_packages =
-    certbot-dns-cloudflare \
     certbot-dns-cloudxns \
     certbot-dns-digitalocean \
     certbot-dns-dnsimple \
@@ -25,14 +24,22 @@ dns_packages =
     certbot-dns-nsone \
     certbot-dns-rfc2136 \
     certbot-dns-route53
-all_packages =
+dns_packages =
+    certbot-dns-cloudflare \
+    {[base]python37_compatible_dns_packages}
+nondns_packages =
     acme[dev] \
     .[dev] \
     certbot-apache \
-    {[base]dns_packages} \
     certbot-nginx \
     certbot-postfix \
     letshelp-certbot
+python37_compatible_packages =
+    {[base]nondns_packages} \
+    {[base]python37_compatible_dns_packages}
+all_packages =
+    {[base]nondns_packages} \
+    {[base]dns_packages}
 install_packages =
     {toxinidir}/tools/pip_install_editable.sh {[base]all_packages}
 source_paths =
@@ -62,6 +69,13 @@ commands =
 setenv =
     PYTHONHASHSEED = 0
 
+[testenv:py37]
+commands =
+    {[base]install_and_test} {[base]python37_compatible_packages}
+    python tests/lock_test.py
+setenv =
+    {[testenv]setenv}
+
 [testenv:py27-oldest]
 commands =
     {[testenv]commands}