Switch to flit. (#3)

.travis.yml

@@ -4,14 +4,11 @@ python:
   - 3.6
 
 install:
-  - pip install -r requirements.txt
-  - pip install python-igraph louvain  # louvain clustering
-  - pip install docutils
-  - python setup.py install
+  - pip install flit
+  - flit install
 
 env: MPLBACKEND=Agg
 
 script:
   - pytest
-  - python setup.py check --restructuredtext --strict
-  - rst2html.py --halt=2 README.rst >/dev/null
+  - rst2html.py --strict README.rst >/dev/null

pyproject.toml

@@ -0,0 +1,33 @@
+[build-system]
+requires = ['flit']
+build-backend = 'flit.buildapi'
+
+[tool.flit.metadata]
+module = 'scvelo'
+author = 'Volker Bergen'
+author-email = 'volker.bergen@helmholtz-muenchen.de'
+home-page = 'https://scvelo.readthedocs.io'
+license = 'BSD'
+description-file = 'README.rst'
+requires-python = '~=3.6'
+requires = [
+	'numpy',
+	'scipy',
+	'scikit-learn~=0.19.1',
+	'matplotlib~=2.2',
+	'scanpy~=1.3.1',
+	'get_version',
+	'setuptools',
+]
+requires-extra = { doc = ['docutils'], test = ['pytest', 'loompy'] }
+keywords = 'RNAseq singlecell stochastic velocity transcriptomics'
+classifiers = [  # https://pypi.org/pypi?%3Aaction=list_classifiers
+	'License :: OSI Approved :: BSD License',
+	'Development Status :: 5 - Production/Stable',
+	'Intended Audience :: Science/Research',
+	'Natural Language :: English',
+	'Programming Language :: Python :: 3',
+	'Programming Language :: Python :: 3.6',
+	'Topic :: Scientific/Engineering :: Bio-Informatics',
+	'Topic :: Scientific/Engineering :: Visualization',
+]

scvelo/__init__.py

@@ -6,8 +6,7 @@
 from . import datasets
 from . import logging
 
-# version generated by versioneer
-from ._version import get_versions
-__version__ = get_versions()['version']
-del get_versions
+from get_version import get_version
+__version__ = get_version(__file__)
+del get_version