Use fastuuid on CPython>=3.5 (#1056)

* Use fastuuid on CPython>=3.5.

* Only install fastuuid on Linux.

* For some reason we're stillgetting the thrusty build env.
Specify xenial explictly.

* Specify Python versions for lint stages.

* Ensure pycurl deps are installed.

* Run update before.

* Upgrade tox and dependencies.

* Happify docstyle.

4 files changed, 22 insertions, 3 deletions

diff --git a/.travis.yml b/.travis.yml
index 5060f384..5fa25996 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,16 +9,19 @@ env:
 stages:
   - test
   - lint
-  
+
 
 matrix:
   include:
     - python: 2.7
       env: TOXENV=2.7
+      dist: xenial
     - python: 3.5
       env: TOXENV=3.5
+      dist: xenial
     - python: 3.6
       env: TOXENV=3.6
+      dist: xenial
     - python: 3.7
       env: TOXENV=3.7-linux
       sudo: true
@@ -34,16 +37,27 @@ matrix:
       before_install: sudo apt-get update && sudo apt-get install libgnutls-dev
     - env: TOXENV=flake8
       stage: lint
+      dist: xenial
+      python: 3.7
     - env: TOXENV=flakeplus
       stage: lint
+      dist: xenial
+      python: 2.7
     - env: TOXENV=apicheck
       stage: lint
+      dist: xenial
+      python: 3.7
     - env: TOXENV=pydocstyle
       stage: lint
+      dist: xenial
+      python: 3.7
 
+before_install:
+  - sudo apt update
+  - sudo apt install libcurl4-openssl-dev libssl-dev gnutls-dev
 install:
     - pip --disable-pip-version-check install -U pip setuptools wheel | cat
-    - pip --disable-pip-version-check install -U tox | cat
+    - pip --disable-pip-version-check install --upgrade-strategy eager -U tox | cat
 script: tox -v -- -v
 after_success:
   - .tox/$TRAVIS_PYTHON_VERSION/bin/coverage xml
diff --git a/kombu/serialization.py b/kombu/serialization.py
index de989b29..de41c338 100644
--- a/kombu/serialization.py
+++ b/kombu/serialization.py
@@ -415,6 +415,7 @@ NOTSET = object()
 
 def enable_insecure_serializers(choices=NOTSET):
     """Enable serializers that are considered to be unsafe.
+
     Note:
         Will enable ``pickle``, ``yaml`` and ``msgpack`` by default, but you
         can also specify a list of serializers (by name or content type)
diff --git a/kombu/utils/uuid.py b/kombu/utils/uuid.py
index 341475bf..d9f19c76 100644
--- a/kombu/utils/uuid.py
+++ b/kombu/utils/uuid.py
@@ -1,7 +1,10 @@
 """UUID utilities."""
 from __future__ import absolute_import, unicode_literals
 
-from uuid import uuid4
+try:
+    from fastuuid import uuid4
+except ImportError:
+    from uuid import uuid4
 
 
 def uuid(_uuid=uuid4):
diff --git a/requirements/default.txt b/requirements/default.txt
index 0367df9c..02e328a0 100644
--- a/requirements/default.txt
+++ b/requirements/default.txt
@@ -1 +1,2 @@
 amqp>=2.5.0,<3.0
+fastuuid;platform_python_implementation=="CPython" and python_version>="3.5" and sys_platform=="linux"