Remove pytest-runner / setup.py test support (#523)

* Remove pytest-runner / setup.py test support

* Trigger CI

* remove ez_setup.py and rely on modern build tooling

* remove ez_setup reference

---------

Co-authored-by: Kevin Kannammalil <kevinrk2000@gmail.com>

Author: musicinmybrain

MANIFEST.in

@@ -1,4 +1,3 @@
-include ez_setup.py
 include LICENSE
 include *.rst
 include requirements.txt

ez_setup.py

@@ -5,7 +5,6 @@ stone>=2,<=3.3.9
 # Other dependencies for development
 ply
 pytest
-pytest-runner==5.2.0
 sphinx
 sphinx_rtd_theme
 twine

requirements.txt

@@ -1,7 +1,3 @@
-# See http://doc.pytest.org/en/latest/goodpractices.html#integrating-with-setuptools-python-setup-py-test-pytest-runner
-[aliases]
-test=pytest
-
 [metadata]
 description_file=README.rst
 

setup.cfg

@@ -4,16 +4,6 @@
 
 import codecs
 import os
-import sys
-
-# Ensure setuptools is available
-try:
-    from ez_setup import use_setuptools
-    use_setuptools()
-except ImportError:
-    # Try to use ez_setup, but if not, continue anyway. The import is known
-    # to fail when installing from a tar.gz.
-    print('Could not import ez_setup', file=sys.stderr)
 
 from setuptools import setup
 
@@ -30,28 +20,13 @@
     'stone>=2,<=3.3.9',
 ]
 
-setup_requires = [
-    # Pin pytest-runner to 5.2.0, since 5.3.0 uses `find_namespaces` directive, not supported in
-    # Python 2.7
-    'pytest-runner==5.2.0',
-]
-
-# WARNING: This imposes limitations on test/requirements.txt such that the
-# full Pip syntax is not supported. See also
-# <http://stackoverflow.com/questions/14399534/>.
-test_reqs = []
-with open('test/requirements.txt') as f:
-    test_reqs += f.read().splitlines()
-
 with codecs.open('README.rst', encoding='utf-8') as f:
     README = f.read()
 
 dist = setup(
     name='dropbox',
     version=version,
     install_requires=install_reqs,
-    setup_requires=setup_requires,
-    tests_require=test_reqs,
     packages=['dropbox'],
     zip_safe=False,
     author_email='dev-platform@dropbox.com',