Improving setup confs to Pypi deploy

Author: alaxalves

setup.cfg

@@ -0,0 +1,7 @@
+#make wheel build a universal wheel file
+[bdist_wheel]
+universal = 1
+
+#ensures that your LICENSE file is part of the wheel files which is a common license requirement
+[metadata]
+license_file = LICENSE

setup.py

@@ -1,32 +1,54 @@
-from setuptools import setup
-from setuptools import find_packages
+import codecs
+from setuptools import setup, find_packages
+from os import path
+import os
+from pip._internal.req import parse_requirements
 
-with open("README.md", 'r') as fi:  # pragma: no cover
-    long_desc = fi.read()
+here = path.abspath(path.dirname(__file__))
 
-with open("VERSION.txt", 'r') as ver:   # pragma: no cover
-    version = ver.read()
+with open(os.path.join(os.path.dirname(__file__), 'README.md')) as readme:
+    README = readme.read()
+
+# allowes setup.py to be run from any path
+os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
+
+# parse_requirements() returns generator of pip.req.InstallRequirement objects
+INSTALL_REQS = parse_requirements('requirements.txt', session='hack')
+
+# reqs is a list of requirements
+REQUIREMENTS = [str(ir.req) for ir in INSTALL_REQS]
+
+CLASSIFIERS = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Natural Language :: Portuguese",
+    "License :: OSI Approved :: GNU License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+]
 
 setup(  # pragma: no cover
     name='commit-helper',
     description="A python program that helps you write commits following commit conventions",  # nopep8
     url='https://github.com/andre-filho/commit-helper',
-    long_description=long_desc,
+    long_description=codecs.open('README.md', 'rb', 'utf8').read(),
     long_description_content_type='text/markdown',
     author='Andre de Sousa Costa Filho',
     author_email='[email protected]',
-    version=str(version).replace('\n', ''),
+    version=codecs.open('VERSION.txt', 'rb', 'utf8').read(),
     packages=find_packages(),
+    keywords=['commit', 'helper', 'git', 'version', 'versioning'],
     entry_points={
         'console_scripts': [
             'commit = commit_helper.__main__:main',
             'commit-helper = commit_helper.__main__:main',
         ]
     },
-    install_requires=[
-        'pathlib',
-        'pyyaml',
-        'argparse',
-        'colored',
-    ],
+    install_requires=REQUIREMENTS,
+    license='GNU',
+    classifiers=CLASSIFIERS,
 )