* Bumps version to 2.0.0.

* Moves requirements to `setup.py`.
* Removes python2 from `setup.py`.
* Removes python3.5 from `setup.py`.
* Adds new major versions of python3.

Author: max-inanc

.travis.yml

@@ -1,18 +1,14 @@
 language: python
 python:
-  - 'pypy2.7'
-  - 'pypy3.5'
-  - '2.7'
-  - '3.4'
+  - 'pypy3.6'
+  - 'pypy3.7'
   - '3.6'
+  - '3.7'
+  - '3.8'
+  - '3.9'
   - 'nightly'
 install:
-  - pip install mock==2.0
-  - pip install requests
-  - pip install codecov
-  - pip install pytest pytest-cov
-  - pip install pycodestyle
-  - pip install .
+  - pip install -e .[dev]
 script:
   - coverage run --source=messagebird -m unittest discover -s tests/
   - coverage report --fail-under=80
@@ -21,5 +17,3 @@ script:
 matrix:
   allow_failures:
   - python: 'nightly'
-  - python: 'pypy2.7'
-  - python: 'pypy3.5'

setup.py

@@ -2,31 +2,38 @@
 from setuptools import setup
 from io import open
 
-def get_description():
-    working_directory = path.abspath(path.dirname(__file__))
-    readme_path = path.join(working_directory, 'README.md')
-    with open(readme_path, encoding='utf-8') as f:
-        return (f.read(), 'text/markdown')
-
-description, description_content_type = get_description()
+with open('README.md', encoding='utf-8') as f:
+    description = f.read()
 
 setup(
     name                          = 'messagebird',
     packages                      = ['messagebird'],
-    version                       = '1.5.0',
+    version                       = '2.0.0',
     description                   = "MessageBird's REST API",
     author                        = 'MessageBird',
     author_email                  = 'support@messagebird.com',
     long_description              = description,
-    long_description_content_type = description_content_type,
+    long_description_content_type = 'text/markdown',
     url                           = 'https://github.com/messagebird/python-rest-api',
-    download_url                  = 'https://github.com/messagebird/python-rest-api/tarball/1.4.1',
+    download_url                  = 'https://github.com/messagebird/python-rest-api/tarball/2.0.0',
     keywords                      = ['messagebird', 'sms'],
     install_requires              = ['requests>=2.4.1', 'python-dateutil>=2.6.0'],
+    extras_require               = {
+        'dev': [
+            'pytest',
+            'pytest-cov',
+            'mock>=2.0',
+            'codecov',
+            'pycodestyle',
+        ]
+    },
     license                       = 'BSD-2-Clause',
     classifiers                   = [
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Operating System :: OS Independent',
     ],
 )