Modernize setup files (#54)

* Modernize setup files

- [ ] Towards #45

* Update setup.py

setup.cfg

@@ -0,0 +1,67 @@
+[sdist]
+formats = gztar
+
+[check-manifest]
+ignore =
+    *.yml
+    *.yaml
+    .coveragerc
+    docs
+    docs/*
+    *.enc
+    notebooks
+    notebooks/*
+    tests
+    tests/*
+
+[flake8]
+max-line-length = 105
+select = C,E,F,W,B,B950
+ignore = E203, E501, W503
+exclude = xmovie/_version.py
+
+
+[metadata]
+name = xmovie
+description = Simply create beautiful movies from xarray objects
+author = xmovie developers
+url=https://github.com/jbusecke/xmovie
+license = MIT
+license_file = LICENSE
+
+## These need to be filled in by the author!
+# For details see: https://pypi.org/classifiers/
+
+classifiers =
+    Development Status :: 4 - Beta
+    Topic :: Scientific/Engineering
+    Intended Audience :: Science/Research
+    Operating System :: OS Independent
+    Programming Language :: Python
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    # Dont change this one
+    License :: OSI Approved :: MIT License
+
+## Add your email here
+author_email = jbusecke@princeton.edu
+
+
+### make sure to fill in your dependencies!
+[options]
+install_requires =
+    numpy
+    xarray
+    dask
+    cartopy
+setup_requires=
+    setuptools_scm
+python_requires = >=3.6
+################ Up until here
+
+include_package_data = True
+zip_safe = False
+packages = find:

setup.py

@@ -1,55 +1,11 @@
-import sys
 
-from setuptools import setup, find_packages
+from setuptools import setup
 
-MAJOR = 0
-MINOR = 1
-MICRO = 0
-ISRELEASED = False
-VERSION = "%d.%d.%d" % (MAJOR, MINOR, MICRO)
-QUALIFIER = ""
-
-
-DISTNAME = "xmovie"
-LICENSE = "MIT"
-AUTHOR = "Julius Busecke"
-AUTHOR_EMAIL = "julius@princeton.edu"
-URL = "https://github.com/jbusecke/xmovie"
-CLASSIFIERS = [
-    "Development Status :: 4 - Beta",
-    "License :: OSI Approved :: Apache Software License",
-    "Operating System :: OS Independent",
-    "Intended Audience :: Science/Research",
-    "Programming Language :: Python",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.6",
-    "Programming Language :: Python :: 3.7",
-    "Topic :: Scientific/Engineering",
-]
-
-INSTALL_REQUIRES = ["xarray", "dask", "cartopy"]
-SETUP_REQUIRES = ["pytest-runner"]
-TESTS_REQUIRE = ["pytest >= 2.8", "coverage"]
-
-if sys.version_info[:2] < (2, 7):
-    TESTS_REQUIRE += ["unittest2 == 0.5.1"]
-
-DESCRIPTION = "Simply create beautiful movies from xarray objects"
-LONG_DESCRIPTION = """To be written.
-"""
 
 setup(
-    name=DISTNAME,
-    version=VERSION,
-    license=LICENSE,
-    author=AUTHOR,
-    author_email=AUTHOR_EMAIL,
-    classifiers=CLASSIFIERS,
-    description=DESCRIPTION,
-    long_description=LONG_DESCRIPTION,
-    install_requires=INSTALL_REQUIRES,
-    setup_requires=SETUP_REQUIRES,
-    tests_require=TESTS_REQUIRE,
-    url=URL,
-    packages=find_packages(),
+    use_scm_version={
+        "write_to": "xmovie/_version.py",
+        "write_to_template": '__version__ = "{version}"',
+        "tag_regex": r"^(?P<prefix>v)?(?P<version>[^\+]+)(?P<suffix>.*)?$",
+    }
 )