Initial attempt to swig for python

.gitignore

@@ -15,3 +15,7 @@ inc/blst_aux.h*
 .vscode/
 *.json
 .clang-format
+bindings/*/_*.so
+bindings/python/*.py
+bindings/python/*_wrap.c
+__pycache__

bindings/c_kzg.swg

@@ -0,0 +1,9 @@
+%module ckzg
+%include "stdint.i"
+%{
+#include <stdbool.h>
+#include "c_kzg.h"
+%}
+%rename(alloc_poly) new_poly;
+%rename(alloc_poly_l) new_poly_l;
+%include "../src/c_kzg.h"

bindings/python/Makefile

@@ -0,0 +1,8 @@
+INCLUDE_DIRS = .. ../../src ../../inc
+INCLUDE_PY = $(shell python -c 'import sysconfig; print(sysconfig.get_config_var("INCLUDEPY"))')
+
+_ckzg.so: c_kzg_wrap.c ../../src/libckzg.a ../../lib/libblst.a
+	clang -O -Wall -shared -fPIC -Wl,-Bsymbolic -I${INCLUDE_PY} ${addprefix -I,${INCLUDE_DIRS}} -o $@ $^
+
+c_kzg_wrap.c ckzg.py: ../c_kzg.swg
+	swig -O -python -outcurrentdir $<