Implement PEP-518 configuration

README.md

@@ -19,6 +19,7 @@ webpage, so you need an Internet connection and all OpenFst dependencies.
 Essentially, you will need:
 
 - A C++ compiler supporting C++11 (tested with GCC 4.9).
+- [Automake](https://www.gnu.org/software/automake/)
 - [PatchELF](https://nixos.org/patchelf.html).
 - [Zlib development](https://zlib.net/).
 - [Python Requests](http://docs.python-requests.org).
@@ -36,7 +37,7 @@ pip install openfst-python
 Alternatively, if you are installing from sources, you can simply do:
 
 ```bash
-python setup.py install
+pip install .
 ```
 
 Notice that this downloads the appropriate version of OpenFst directly from

create_wheels.sh

@@ -36,10 +36,10 @@ for py in cp27-cp27mu cp35-cp35m cp36-cp36m cp37-cp37m; do
   export PYTHON=/opt/python/$py/bin/python;
   echo "=== Installing dependencies for $py ===";
   $PYTHON -m pip install -U pip;
-  $PYTHON -m pip install -U requests wheel setuptools;
+  $PYTHON -m pip install -U wheel setuptools build;
   echo "=== Building for $py ==="
-  $PYTHON setup.py clean;
-  $PYTHON setup.py bdist_wheel;
+  rm -rf build dist *.egg-info
+  $PYTHON -m build --wheel;
   echo "=== Installing for $py ===";
   cd /tmp;
   $PYTHON -m pip uninstall -y openfst_python;

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "Cython", "requests"]
+build-backend = "setuptools.build_meta"