clean up setup

Since qutip_qip requries no run-time compilation, configuration in setup.cfg is sufficient for the build.

src is removed from MANIFEST because setuptools can automatically handle the including of source files and removing pycache

MANIFEST.in

@@ -1,7 +1,6 @@
-graft src
 include README.md
-include LICENSE.txt
+include LICENSE
 include requirements.txt
+include pyproject.toml
 
-recursive-include tests *
-recursive-exclude * __pycache__
+recursive-include tests *.py *.qasm pytest.ini

pyproject.toml

@@ -0,0 +1,6 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+]
+build-backend = "setuptools.build_meta"

setup.cfg

@@ -0,0 +1,45 @@
+[metadata]
+name = qutip-qip
+url = https://github.com/qutip/qutip-qip
+description = The QuTiP quantum information processing package
+long_description = file: README.md
+long_description_content_type = text/markdown; variant=GFM
+keywords = quantum, physics, dynamics
+license = BSD 3-Clause License
+license_files = LICENSE
+classifiers =
+    Development Status :: 2 - Pre-Alpha
+    Intended Audience :: Science/Research
+    License :: OSI Approved :: BSD License
+    Programming Language :: Python
+    Programming Language :: Python :: 3
+    Topic :: Scientific/Engineering
+    Operating System :: MacOS
+    Operating System :: POSIX
+    Operating System :: Unix
+    Operating System :: Microsoft :: Windows
+author = Alexander Pitchford, Paul D. Nation, Robert J. Johansson, Chris Granade, Arne Grimsmo, Nathan Shammah, Shahnawaz Ahmed, Neill Lambert, Eric Giguere, Boxi Li, Jake Lishman
+author_email = qutip-admin@googlegroups.com
+platforms = Linux, Mac OSX, Unix, Windows
+version = 0.1.0
+
+[options]
+package_dir=
+    =src
+packages = find:
+include_package_data = True
+install_requires =
+    numpy>=1.16.6
+    scipy>=1.0
+    qutip>=4.6,<5
+
+[options.packages.find]
+where = src
+
+[options.extras_require]
+graphics = matplotlib>=1.3.0
+tests =
+    pytest>=5.2
+full =
+    %(graphics)s
+    %(tests)s