update readme/project setup for modern pip/tox and remove setuptools …

…usages

addresses part of #93

README.rst

@@ -45,12 +45,10 @@ Make sure you have `ICU Unicode Library <http://site.icu-project.org/home>`__ in
 as well as Python dev library before running the commands above. If not, use the
 following commands:
 
-**Ubuntu**
-
 .. code:: bash
 
-    $ sudo apt-get install libicu-dev
-    $ sudo apt-get install python3-dev
+    $ sudo apt-get install libicu-dev python3-dev # Ubuntu/Debian
+    $ sudo dnf install libicu-devel python3-devel # Fedora
 
 
 Command Line Interface

setup.cfg

@@ -1,3 +1,68 @@
+[metadata]
+name = prance
+version = 0.20.2
+description = Resolving Swagger/OpenAPI 2.0 and 3.0.0 Parser
+long_description = file: README.rst
+classifiers =
+    Development Status :: 4 - Beta
+    Environment :: Plugins
+    Intended Audience :: Developers
+    License :: OSI Approved :: MIT License
+    Natural Language :: English
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Topic :: Internet :: WWW/HTTP
+    Topic :: Software Development :: Libraries :: Python Modules
+keywords = swagger openapi parsing
+author = Jens Finkhaeuser
+author_email = [email protected]
+url = https://github.com/jfinkhaeuser/prance
+license = MITNFA
+
+[options]
+packages = find:
+include_package_data = True
+install_requires =
+    chardet~=4.0
+    PyYAML~=5.3
+    requests~=2.25
+    six~=1.15
+    semver~=2.13
+zip_safe = True
+
+[options.packages.find]
+exclude =
+    ez_setup
+    examples
+    tests
+
+[options.entry_points]
+console_scripts =
+    prance=prance.cli:cli [cli]
+
+[options.extras_require]
+dev =
+    tox>=3.21
+    bumpversion>=0.6
+    pytest>=6.1
+    pytest-cov>=2.11
+    flake8>=3.8
+    pep8-naming>=0.11
+    flake8-quotes>=3.2
+    flake8_docstrings>=1.5
+    sphinx>=3.4
+    towncrier>=19.2
+icu = PyICU~=2.4
+ssv = swagger-spec-validator~=2.4
+osv = openapi-spec-validator>0.2,>=0.2.1
+flex = flex~=6.13
+cli = click~=7.0
+
 [bumpversion]
 current_version = 0.20.2
 commit = True
@@ -9,31 +74,25 @@ test = pytest
 [tool:pytest]
 addopts = --verbose --cov=prance --cov-report=term-missing --cov-fail-under=90
 testpaths = tests
-markers = 
-	requires_network: Marks test as requring network connections (deselect with '-m "not requires_network"')
+markers =
+    requires_network: Marks test as requring network connections (deselect with '-m "not requires_network"')
 
 [bdist_wheel]
 universal = 1
 
-[bumpversion:file:setup.py]
-
-[bumpversion:file:prance/__init__.py]
-
-[bumpversion:file:docs/source/conf.py]
-
 [flake8]
-exclude = 
-	.git,
-	__pycache__,
-	docs/source/conf.py,old,build,dist,.eggs,
-	ENV,lib,
-	.tox
-ignore = 
-	E111,E114,E128,E121,
-	E251,
-	E402,
-	E401,
-	N807.
-	W503
+exclude =
+    .git,
+    __pycache__,
+    docs/source/conf.py,old,build,dist,.eggs,
+    ENV,lib,
+    .tox
+ignore =
+    E111,E114,E128,E121,
+    E251,
+    E402,
+    E401,
+    N807.
+    W503
 show-source = True
 doctests = True

setup.py

@@ -1,103 +1,2 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-"""
-Dist utils for Prance.
-
-This should work within tox, and install all required dependencies for testing.
-"""
-
-if __name__ == '__main__':
-  # Get setup function
-  try:
-    from setuptools import setup, find_packages
-  except ImportError:
-    from distutils.core import setup, find_packages
-
-  dev_require = [
-    'tox>=3.21',
-    'bumpversion>=0.6',
-    'pytest>=6.1',
-    'pytest-cov>=2.11',
-    'flake8>=3.8',
-    'pep8-naming>=0.11',
-    'flake8-quotes>=3.2',
-    'flake8_docstrings>=1.5',
-    'sphinx>=3.4',
-    'towncrier>=19.2',
-  ]
-
-  icu_require = [
-    'PyICU~=2.4',
-  ]
-
-  ssv_require = [
-    'swagger-spec-validator~=2.4',
-  ]
-
-  osv_require = [
-    'openapi-spec-validator>0.2,>=0.2.1',
-  ]
-
-  flex_require = [
-    'flex~=6.13',
-  ]
-
-  cli_require = [
-    'click~=7.0',
-  ]
-
-  # Run setup
-  setup(
-      name = 'prance',
-      version = '0.20.2',
-      description = 'Resolving Swagger/OpenAPI 2.0 and 3.0.0 Parser',
-      long_description = open('README.rst').read(),
-      # Get strings from http://pypi.python.org/pypi?%3Aaction=list_classifiers
-      classifiers = [
-        'Development Status :: 4 - Beta',
-        'Environment :: Plugins',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: MIT License',
-        'Natural Language :: English',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Topic :: Internet :: WWW/HTTP',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-      ],
-      keywords = 'swagger openapi parsing',
-      author = 'Jens Finkhaeuser',
-      author_email = '[email protected]',
-      url = 'https://github.com/jfinkhaeuser/prance',
-      license = 'MITNFA',
-      packages = find_packages(exclude = ['ez_setup', 'examples', 'tests']),
-      include_package_data = True,
-      install_requires = [
-        'chardet~=4.0',
-        'PyYAML~=5.3',
-        'requests~=2.25',
-        'six~=1.15',
-        'semver~=2.13',
-      ],
-      extras_require = {
-        'dev': dev_require,
-        'icu': icu_require,
-        'ssv': ssv_require,
-        'osv': osv_require,
-        'flex': flex_require,
-        'cli': cli_require,
-      },
-      entry_points={
-          'console_scripts': [
-              'prance=prance.cli:cli [cli]',
-           ],
-      },
-      zip_safe = True,
-      test_suite = 'tests',
-      setup_requires = ['pytest-runner'],
-      tests_require = dev_require,
-  )
+from setuptools import setup
+setup()

tox.ini

@@ -1,19 +1,24 @@
 [tox]
-envlist = py36-{default,no_icu}
-
+envlist = py{36,37,38}-{default,no_icu}
+minver=3.0
 [testenv]
 # Different dependencies for different test environments
-deps =
-  default: -r{toxinidir}/requirements.txt
-  no_icu: -r{toxinidir}/requirements_no_icu.txt
-  no_osv_or_icu: -r{toxinidir}/requirements_no_osv_or_icu.txt
-  flex: -r{toxinidir}/requirements_flex.txt
-  bare: -r{toxinidir}/requirements_bare.txt
+extras =
+  default:  dev,ssv,osv,icu,cli
+  no_icu: dev,ssv,osv,cli
+  no_osv_or_icu: dev,ssv,cli
+  flex: dev,flex,icu
+  bare: dev
+deps = 
+  six
+  pytest
+  pytest-cov
 # We need to set environment variables for py3 to work with click
 setenv =
   LC_ALL=C.UTF-8
   LANG=C.UTF-8
 # For Python 3.6 (main dev version), also run flake8 and sphinx
 commands =
-  py{34,35,37,38,py3}: python setup.py test
-  py36: python setup.py test flake8 build_sphinx
+  pytest
+  py36: python setup.py build_sphinx
+  py36: flake8 prance # tests