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gr39: Add pybind11 bindings

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
master
Sylvain Munaut 2 years ago
parent
commit
a520a46ed8
  1. 10
      CMakeLists.txt
  2. 2
      python/CMakeLists.txt
  3. 5
      python/__init__.py
  4. 65
      python/bindings/CMakeLists.txt
  5. 58
      python/bindings/fix_cc_python.cc
  6. 61
      python/bindings/optimize_c_python.cc
  7. 41
      python/bindings/python_bindings.cc

10
CMakeLists.txt

@ -145,6 +145,16 @@ endif(APPLE)
########################################################################
find_package(Doxygen)
########################################################################
# PyBind11 Related
########################################################################
find_package(pybind11 REQUIRED)
execute_process(
COMMAND "${PYTHON_EXECUTABLE}" -c
"try:\n import numpy\n import os\n inc_path = numpy.get_include()\n if os.path.exists(os.path.join(inc_path, 'numpy', 'arrayobject.h')):\n print(inc_path, end='')\nexcept:\n pass"
OUTPUT_VARIABLE PYTHON_NUMPY_INCLUDE_DIR)
########################################################################
# Setup doxygen option
########################################################################

2
python/CMakeLists.txt

@ -13,6 +13,8 @@ if(NOT PYTHONINTERP_FOUND)
return()
endif()
add_subdirectory(bindings)
########################################################################
# Install python sources
########################################################################

5
python/__init__.py

@ -5,7 +5,8 @@
# SPDX-License-Identifier: GPL-3.0-or-later
'''
This is the GNU Radio IQBALANCE module. Place your Python package
description here (python/__init__.py).
This is the GNU Radio IQBALANCE module.
'''
# import pybind11 generated symbols into the iqbalance namespace
from .iqbalance_python import *

65
python/bindings/CMakeLists.txt

@ -0,0 +1,65 @@
# Copyright 2011-2020 Free Software Foundation, Inc.
# Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
#
# This file is part of gr-iqbalance
#
# SPDX-License-Identifier: GPL-3.0-or-later
########################################################################
# Check for pygccxml
########################################################################
GR_PYTHON_CHECK_MODULE_RAW(
"pygccxml"
"import pygccxml"
PYGCCXML_FOUND
)
# Official module is broken, makes too many assumptions that are not true
#include(GrPybind)
include(GrPython)
macro(GR_PYBIND_MAKE name updir filter files)
configure_file(${CMAKE_SOURCE_DIR}/docs/doxygen/pydoc_macros.h ${CMAKE_CURRENT_BINARY_DIR} COPYONLY)
pybind11_add_module(${name}_python ${files})
SET(MODULE_NAME ${name})
if (${name} STREQUAL gr)
SET(MODULE_NAME "runtime")
endif()
target_include_directories(${name}_python PUBLIC
${CMAKE_CURRENT_BINARY_DIR}
${PYTHON_NUMPY_INCLUDE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/${updir}/lib
${CMAKE_CURRENT_SOURCE_DIR}/${updir}/include
${PYBIND11_INCLUDE_DIR}
)
target_link_libraries(${name}_python PUBLIC ${Boost_LIBRARIES} ${PYTHON_LIBRARIES} gnuradio-${MODULE_NAME})
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR
CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
target_compile_options(${name}_python PRIVATE -Wno-unused-variable) # disable warnings for docstring templates
endif(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR
CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
endmacro(GR_PYBIND_MAKE)
########################################################################
# Python Bindings
########################################################################
list(APPEND iqbalance_python_files
fix_cc_python.cc
optimize_c_python.cc
python_bindings.cc)
GR_PYBIND_MAKE(iqbalance
../..
gr::iqbalance
"${iqbalance_python_files}")
install(TARGETS iqbalance_python DESTINATION ${GR_PYTHON_DIR}/gnuradio/iqbalance COMPONENT pythonapi)

58
python/bindings/fix_cc_python.cc

@ -0,0 +1,58 @@
/*
* Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
*
* This file is part of gr-iqbalance
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include <pybind11/complex.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
namespace py = pybind11;
#include <gnuradio/iqbalance/fix_cc.h>
#define D(...) ""
void bind_fix_cc(py::module& m)
{
using fix_cc = gr::iqbalance::fix_cc;
py::class_<fix_cc,
gr::sync_block,
gr::block,
gr::basic_block,
std::shared_ptr<fix_cc>>(m, "fix_cc", D(fix_cc))
.def(py::init(&fix_cc::make),
py::arg("mag") = 0.0f,
py::arg("phase") = 0.0f,
D(fix_cc,make)
)
.def("set_mag",
&fix_cc::set_mag,
py::arg("mag"),
D(fix_cc,set_mag)
)
.def("mag",
&fix_cc::mag,
D(fix_cc,mag)
)
.def("set_phase",
&fix_cc::set_phase,
py::arg("phase"),
D(fix_cc,set_phase)
)
.def("phase",
&fix_cc::phase,
D(fix_cc,phase)
)
;
}

61
python/bindings/optimize_c_python.cc

@ -0,0 +1,61 @@
/*
* Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
*
* This file is part of gr-iqbalance
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include <pybind11/complex.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
namespace py = pybind11;
#include <gnuradio/iqbalance/optimize_c.h>
#define D(...) ""
void bind_optimize_c(py::module& m)
{
using optimize_c = gr::iqbalance::optimize_c;
py::class_<optimize_c,
gr::sync_block,
gr::block,
gr::basic_block,
std::shared_ptr<optimize_c>>(m, "optimize_c", D(optimize_c))
.def(py::init(&optimize_c::make),
py::arg("period") = 0,
D(optimize_c,make)
)
.def("set_period",
&optimize_c::set_period,
py::arg("period"),
D(optimize_c,set_period)
)
.def("period",
&optimize_c::period,
D(optimize_c,period)
)
.def("mag",
&optimize_c::mag,
D(optimize_c,mag)
)
.def("phase",
&optimize_c::phase,
D(optimize_c,phase)
)
.def("reset",
&optimize_c::reset,
D(optimize_c,reset)
)
;
}

41
python/bindings/python_bindings.cc

@ -0,0 +1,41 @@
/*
* Copyright 2020-2021 Free Software Foundation, Inc.
* Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
*
* This file is part of gr-iqbalance
*
* 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_fix_cc(py::module& m);
void bind_optimize_c(py::module& m);
// 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(iqbalance_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_fix_cc(m);
bind_optimize_c(m);
}
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