Fix travis file due to flask dependency change

.travis.yml

@@ -7,23 +7,17 @@ python:
   - '3.4'
   - '3.5'
   - '3.6'
+  - '3.7'
+  - '3.8'
   - pypy
-
-# from https://github.com/travis-ci/travis-ci/issues/9815
-# https://github.com/travis-ci/travis-ci/issues/9069#issuecomment-425720905
-# Enable 3.7 without globally enabling sudo and dist: xenial for other build jobs
-matrix:
-  include:
-    - python: 3.7
-      dist: xenial
-      sudo: true
 
 env:
-- FLASK=0.10.1
-- FLASK=0.10
-
+- FLASK=0.10.1 WERKZEUG_DEP="werkzeug==0.16.1"
+- FLASK=0.10 WERKZEUG_DEP="werkzeug==0.16.1"
+- FLASK=1.0 WERKZEUG_DEP=""
+- FLASK=1.1 WERKZEUG_DEP=""
 install:
-  - pip install -U setuptools pep8 six coverage docutils pygments flask==$FLASK
+  - pip install -U setuptools pep8 six coverage docutils pygments flask==$FLASK $WERKZEUG_DEP
 
 script:
   - coverage erase

examples/app_based_example.py

@@ -124,7 +124,7 @@ def get_exception():
         Browsers will first make a preflight request to verify that the resource
         allows cross-origin POSTs with a JSON Content-Type, which can be simulated
         as:
-        $ curl --include -X OPTIONS http://127.0.0.1:5000/exception \
+        $ curl --include -X OPTIONS http://127.0.0.1:5000/api/exception \
             --header Access-Control-Request-Method:POST \
             --header Access-Control-Request-Headers:Content-Type \
             --header Origin:www.examplesite.com

setup.py

@@ -33,7 +33,8 @@
     platforms='any',
     install_requires=install_requires,
     tests_require=[
-        'nose'
+        'nose',
+        'packaging'
     ],
     test_suite='nose.collector',
     classifiers=[

tests/decorator/test_exception_interception.py

@@ -8,6 +8,10 @@
     :copyright: (c) 2016 by Cory Dolphin.
     :license: MIT, see LICENSE for more details.
 """
+import unittest
+
+import flask
+from packaging import version
 from ..base_test import FlaskCorsTestCase
 from flask import Flask, abort
 from flask_cors import *
@@ -198,6 +202,9 @@ def get_with_origins(path):
             self.assertEqual(resp.status_code, 200)
             self.assertFalse(ACL_ORIGIN in resp.headers)
 
+    @unittest.skipIf(version.parse(flask.__version__) > version.parse("1.1"),
+                     "Flask 1.1 changed interception behavior, so after request handlers are always run. "
+                     "This obviates the need for our hacky interception")
     def test_acl_uncaught_exception_500(self):
         '''
             Uncaught exceptions will trigger Flask's internal exception

tests/extension/test_app_extension.py

@@ -204,7 +204,7 @@ class AppExtensionString(FlaskCorsTestCase):
     def setUp(self):
         self.app = Flask(__name__)
         CORS(self.app, resources=r'/api/*',
-             headers='Content-Type',
+             allow_headers='Content-Type',
              expose_headers='X-Total-Count',
              origins='http://bar.com')
 
@@ -225,6 +225,10 @@ def overridden():
         def index():
             return 'Welcome'
 
+        @self.app.route('/foo.txt')
+        def foo_txt():
+            return 'Welcome'
+
     def test_exposed(self):
         for path in '/api/v1/foo', '/api/v1/bar':
             for resp in self.iter_responses(path, origin='http://bar.com'):