From 8c6289a8bae512aed10db7a7a75a984e52fb181e Mon Sep 17 00:00:00 2001
From: q-posev <posenitskiy@irsamc.ups-tlse.fr>
Date: Mon, 26 Jul 2021 18:43:15 +0200
Subject: [PATCH] build Python module using pythonic distutils

---
 Makefile.am  | 31 ++++++++++++++++++++++---------
 src/setup.py | 27 +++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 9 deletions(-)
 create mode 100644 src/setup.py

diff --git a/Makefile.am b/Makefile.am
index c7b2f1e..bc3e06e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -180,24 +180,37 @@ cppcheck.out: $(trexio_h)
 	  -I../include *.c *.h 2>../$@
 
 
-python: src/_pytrexio.so
+python: src/_pytrexio*.so
 
-python-test: src/test.py src/_pytrexio.so
+python-test: src/test.py src/_pytrexio*.so
 	cd src/ && python3 test.py
 	$(RM) -r -- src/__pycache__
 
-src/_pytrexio.so: $(ORG_FILES) $(trexio_h) src/pytrexio.i
+# Advanced compilation using Python-native distutils
+#
+# swig -python -threads pytrexio.i ----> Add thread support for all the interface
+# 
+src/_pytrexio*.so:  $(ORG_FILES) $(trexio_h) src/pytrexio.i
 	cp $(trexio_h) src/
 	cd src/ && \
-	swig -python -o pytrexio_wrap.c pytrexio.i && \
-	$(CC) $(CPPFLAGS) -I/usr/include/python3.8 -fPIC -Wno-discarded-qualifiers \
-		-c trexio.c trexio_hdf5.c trexio_text.c pytrexio_wrap.c && \
-	$(CC) -shared trexio.o trexio_hdf5.o trexio_text.o pytrexio_wrap.o \
-		$(LDFLAGS) $(LIBS) -o _pytrexio.so
+	swig -python -py3 -o pytrexio_wrap.c pytrexio.i && \
+	python3 setup.py build_ext --inplace --swig-opts="-modern"
 	$(RM) -- src/trexio.h
 
+# Manual compilation of Python module
+#
+#src/_pytrexio.so: $(ORG_FILES) $(trexio_h) src/pytrexio.i
+#       cp $(trexio_h) src/
+#       cd src/ && \
+#       swig -python -py3 -o pytrexio_wrap.c pytrexio.i && \
+#       $(CC) $(CPPFLAGS) -I/usr/include/python3.8 -fPIC -Wno-discarded-qualifiers \
+#       	-c trexio.c trexio_hdf5.c trexio_text.c pytrexio_wrap.c && \
+#       $(CC) -shared trexio.o trexio_hdf5.o trexio_text.o pytrexio_wrap.o \
+#       	$(LDFLAGS) $(LIBS) -o _pytrexio.so
+#       $(RM) -- src/trexio.h
+#
 
-CLEANFILES += src/pytrexio_wrap.c src/pytrexio.py src/_pytrexio.so 
+CLEANFILES += src/pytrexio_wrap.c src/pytrexio.py src/_pytrexio*.so 
 
 .PHONY: cppcheck python python-test
 
diff --git a/src/setup.py b/src/setup.py
new file mode 100644
index 0000000..ca9335d
--- /dev/null
+++ b/src/setup.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+"""
+setup.py file for pytrexio
+"""
+
+from distutils.core import setup, Extension
+
+
+pytrexio_module = Extension('_pytrexio',
+                           sources=['trexio.c', 'trexio_hdf5.c', 'trexio_text.c', 'pytrexio_wrap.c'],
+                           include_dirs=['/usr/include/hdf5/serial'],
+                           #runtime_library_dirs=['/usr/lib/x86_64-linux-gnu/hdf5/serial'],
+                           libraries=['hdf5', 'hdf5_hl'],
+                           #extra_compile_args=['-I/usr/include/hdf5/serial'],
+                           extra_link_args=['-L/usr/lib/x86_64-linux-gnu/hdf5/serial']
+                           )
+
+setup (name = 'pytrexio',
+       version = '0.1',
+       author      = "TREX-CoE",
+       description = """Python API of the TREXIO library""",
+       ext_modules = [pytrexio_module],
+       py_modules = ["pytrexio"],
+       url='https://github.com/TREX-CoE/trexio',
+       packages=['distutils', 'distutils.command'],
+       )