1 files changed, 54 insertions, 0 deletions
diff --git a/gr-channels/python/channels/bindings/python_bindings.cc b/gr-channels/python/channels/bindings/python_bindings.cc
new file mode 100644
index 0000000000..eac7e53f38
--- /dev/null
+++ b/gr-channels/python/channels/bindings/python_bindings.cc
@@ -0,0 +1,54 @@
+
+/*
+ * 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_cfo_model(py::module&);
+void bind_channel_model(py::module&);
+void bind_channel_model2(py::module&);
+void bind_dynamic_channel_model(py::module&);
+void bind_fading_model(py::module&);
+void bind_selective_fading_model(py::module&);
+void bind_selective_fading_model2(py::module&);
+void bind_sro_model(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(channels_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_cfo_model(m);
+    bind_channel_model(m);
+    bind_channel_model2(m);
+    bind_dynamic_channel_model(m);
+    bind_fading_model(m);
+    bind_selective_fading_model(m);
+    bind_selective_fading_model2(m);
+    bind_sro_model(m);
+}