Utilise setup.cfg, move version info to redbot package (#2411)

* Utilise setup.cfg, move version info to redbot package

- `redbot.__init__` now is safe to import without installing dependencies.
- Now deploying binary wheel distribution from travis
- Include locale files in sub-packages of cog packages
- python_requires now has no upper limit

Signed-off-by: Toby Harradine <tobyharradine@gmail.com>

setup.py

@@ -1,110 +1,4 @@
-import os
-import re
-from setuptools import setup, find_namespace_packages
+from setuptools import setup
 
-install_requires = [
-    "aiohttp-json-rpc==0.11.2",
-    "aiohttp==3.4.4",
-    "appdirs==1.4.3",
-    "async-timeout==3.0.1",
-    "attrs==18.2.0",
-    "chardet==3.0.4",
-    "colorama==0.4.1",
-    "distro==1.3.0; sys_platform == 'linux'",
-    "fuzzywuzzy==0.17.0",
-    "idna-ssl==1.1.0",
-    "idna==2.8",
-    "multidict==4.5.2",
-    "python-levenshtein-wheels==0.13.1",
-    "pyyaml==3.13",
-    "raven==6.10.0",
-    "raven-aiohttp==0.7.0",
-    "red-lavalink==0.2.0",
-    "schema==0.6.8",
-    "websockets==6.0",
-    "yarl==1.3.0",
-]
-
-extras_require = {
-    "test": [
-        "atomicwrites==1.2.1",
-        "more-itertools==5.0.0",
-        "pluggy==0.8.1",
-        "py==1.7.0",
-        "pytest==4.1.0",
-        "pytest-asyncio==0.10.0",
-        "six==1.12.0",
-    ],
-    "mongo": ["motor==2.0.0", "pymongo==3.7.2", "dnspython==1.16.0"],
-    "docs": [
-        "alabaster==0.7.12",
-        "babel==2.6.0",
-        "certifi==2018.11.29",
-        "docutils==0.14",
-        "imagesize==1.1.0",
-        "Jinja2==2.10",
-        "MarkupSafe==1.1.0",
-        "packaging==18.0",
-        "pyparsing==2.3.0",
-        "Pygments==2.3.1",
-        "pytz==2018.9",
-        "requests==2.21.0",
-        "six==1.12.0",
-        "snowballstemmer==1.2.1",
-        "sphinx==1.8.3",
-        "sphinx_rtd_theme==0.4.2",
-        "sphinxcontrib-asyncio==0.2.0",
-        "sphinxcontrib-websupport==1.1.0",
-        "urllib3==1.24.1",
-    ],
-    "voice": [],
-    "style": ["black==18.9b0", "click==7.0", "toml==0.10.0"],
-}
-
-python_requires = ">=3.7,<3.8"
-
-
-def get_version():
-    with open("redbot/core/__init__.py") as f:
-        version = re.search(
-            r'^__version__\s*=\s*[\'"]([^\'"]*)[\'"]', f.read(), re.MULTILINE
-        ).group(1)
-    return version
-
-
-if __name__ == "__main__":
-    setup(
-        name="Red-DiscordBot",
-        version=get_version(),
-        packages=find_namespace_packages(
-            include=["redbot", "redbot.*", "discord", "discord.ext.commands"]
-        ),
-        package_data={"": ["locales/*.po", "data/*", "data/**/*"]},
-        url="https://github.com/Cog-Creators/Red-DiscordBot",
-        license="GPLv3",
-        author="Cog-Creators",
-        author_email="",
-        description="A highly customizable Discord bot",
-        classifiers=[
-            "Development Status :: 4 - Beta",
-            "Framework :: AsyncIO",
-            "Framework :: Pytest",
-            "Intended Audience :: Developers",
-            "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
-            "Operating System :: OS Independent",
-            "Programming Language :: Python :: 3.7",
-            "Topic :: Communications :: Chat",
-            "Topic :: Documentation :: Sphinx",
-        ],
-        entry_points={
-            "console_scripts": [
-                "redbot=redbot.__main__:main",
-                "redbot-setup=redbot.setup:main",
-                "redbot-launcher=redbot.launcher:main",
-            ],
-            "pytest11": ["red-discordbot = redbot.pytest"],
-        },
-        python_requires=python_requires,
-        install_requires=install_requires,
-        extras_require=extras_require,
-    )
+# Metadata and options defined in setup.cfg
+setup()