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authorMarcus Müller <marcus@hostalia.de>2020-06-19 11:07:54 +0200
committerMarcus Müller <marcus@hostalia.de>2020-06-19 11:07:54 +0200
commite76d04ca2f4f15e3b1a1ab2a81dd52c4e6d2472c (patch)
tree1d86f68fceed9cd7204d9a79e816dc06c15feaf4 /gr-utils/modtool/templates/gr-newmod/python/bindings/python_bindings.cc
parent98348e37209aa7daeb96fe5ead815e5b083dc6da (diff)
parent39311758cb1e6a7424d3213b3eb2c65c8c4dcfe1 (diff)
Move from SWIG to Pybind11
Goodbye, and thanks for all the fish, SWIG. Please refer to docs/PYBIND11.md for details on how to deal with Pybind.
Diffstat (limited to 'gr-utils/modtool/templates/gr-newmod/python/bindings/python_bindings.cc')
-rw-r--r--gr-utils/modtool/templates/gr-newmod/python/bindings/python_bindings.cc53
1 files changed, 53 insertions, 0 deletions
diff --git a/gr-utils/modtool/templates/gr-newmod/python/bindings/python_bindings.cc b/gr-utils/modtool/templates/gr-newmod/python/bindings/python_bindings.cc
new file mode 100644
index 0000000000..4cf0b21781
--- /dev/null
+++ b/gr-utils/modtool/templates/gr-newmod/python/bindings/python_bindings.cc
@@ -0,0 +1,53 @@
+/*
+ * 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;
+
+// Headers for binding functions
+/**************************************/
+/* The following comment block is used for
+/* gr_modtool to insert function prototypes
+/* Please do not delete
+/**************************************/
+// BINDING_FUNCTION_PROTOTYPES(
+// ) END BINDING_FUNCTION_PROTOTYPES
+
+
+// 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(howto_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");
+
+ /**************************************/
+ /* The following comment block is used for
+ /* gr_modtool to insert binding function calls
+ /* Please do not delete
+ /**************************************/
+ // BINDING_FUNCTION_CALLS(
+ // ) END BINDING_FUNCTION_CALLS
+}