1 files changed, 80 insertions, 0 deletions
diff --git a/gr-trellis/python/trellis/bindings/python_bindings.cc b/gr-trellis/python/trellis/bindings/python_bindings.cc
new file mode 100644
index 0000000000..16c19951c8
--- /dev/null
+++ b/gr-trellis/python/trellis/bindings/python_bindings.cc
@@ -0,0 +1,80 @@
+
+/*
+ * Copyright 2020 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include <pybind11/pybind11.h>
+
+#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
+#include <numpy/arrayobject.h>
+
+namespace py = pybind11;
+
+// void bind_base(py::module&);
+// void bind_calc_metric(py::module&);
+void bind_constellation_metrics_cf(py::module&);
+// void bind_core_algorithms(py::module&);
+void bind_encoder(py::module&);
+void bind_fsm(py::module&);
+void bind_interleaver(py::module&);
+void bind_metrics(py::module&);
+void bind_pccc_decoder_blk(py::module&);
+void bind_pccc_decoder_combined_blk(py::module&);
+void bind_pccc_encoder(py::module&);
+void bind_permutation(py::module&);
+void bind_quicksort_index(py::module&);
+void bind_sccc_decoder_blk(py::module&);
+void bind_sccc_decoder_combined_blk(py::module&);
+void bind_sccc_encoder(py::module&);
+void bind_siso_combined_f(py::module&);
+void bind_siso_f(py::module&);
+void bind_siso_type(py::module&);
+void bind_viterbi(py::module&);
+void bind_viterbi_combined(py::module&);
+
+// We need this hack because import_array() returns NULL
+// for newer Python versions.
+// This function is also necessary because it ensures access to the C API
+// and removes a warning.
+void* init_numpy()
+{
+    import_array();
+    return NULL;
+}
+
+PYBIND11_MODULE(trellis_python, m)
+{
+    // Initialize the numpy C API
+    // (otherwise we will see segmentation faults)
+    init_numpy();
+
+    // Allow access to base block methods
+    py::module::import("gnuradio.gr");
+
+    // bind_base(m);
+    // bind_calc_metric(m);
+    bind_constellation_metrics_cf(m);
+    // bind_core_algorithms(m);
+    bind_encoder(m);
+    bind_fsm(m);
+    bind_interleaver(m);
+    bind_metrics(m);
+    bind_pccc_decoder_blk(m);
+    bind_pccc_decoder_combined_blk(m);
+    bind_pccc_encoder(m);
+    bind_permutation(m);
+    bind_quicksort_index(m);
+    bind_sccc_decoder_blk(m);
+    bind_sccc_decoder_combined_blk(m);
+    bind_sccc_encoder(m);
+    bind_siso_combined_f(m);
+    bind_siso_f(m);
+    bind_siso_type(m);
+    bind_viterbi(m);
+    bind_viterbi_combined(m);
+}