Switched to gnuradio-3.9

CMakeLists.txt

@@ -141,7 +141,6 @@ add_custom_target(uninstall
 ########################################################################
 add_subdirectory(include/gr_air_modes)
 add_subdirectory(lib)
-add_subdirectory(swig)
 add_subdirectory(python)
 add_subdirectory(grc)
 add_subdirectory(apps)

include/gr_air_modes/preamble.h

@@ -36,7 +36,7 @@ namespace air_modes {
 class AIR_MODES_API preamble : virtual public gr::block
 {
 public:
-    typedef boost::shared_ptr<preamble> sptr;
+    typedef std::shared_ptr<preamble> sptr;
     static sptr make(float channel_rate, float threshold_db);
 
     virtual void set_rate(float channel_rate) = 0;

include/gr_air_modes/slicer.h

@@ -37,7 +37,7 @@ namespace air_modes {
 class AIR_MODES_API slicer : virtual public gr::sync_block
 {
 public:
-    typedef boost::shared_ptr<slicer> sptr;
+    typedef std::shared_ptr<slicer> sptr;
     static sptr make(gr::msg_queue::sptr queue);
 };
 

python/CMakeLists.txt

@@ -61,3 +61,5 @@ GR_PYTHON_INSTALL(
 #set(GR_TEST_TARGET_DEPS gnuradio-gr-air-modes)
 #set(GR_TEST_PYTHON_DIRS ${CMAKE_BINARY_DIR}/swig)
 #GR_ADD_TEST(qa_gr-air-modes ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_gr-air-modes.py)
+
+add_subdirectory(bindings)

python/bindings/CMakeLists.txt

@@ -0,0 +1,39 @@
+# Copyright 2020 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+
+########################################################################
+# Check if there is C++ code at all
+########################################################################
+if(NOT air_modes_sources)
+    MESSAGE(STATUS "No C++ sources... skipping python bindings")
+    return()
+endif(NOT air_modes_sources)
+
+########################################################################
+# Check for pygccxml
+########################################################################
+GR_PYTHON_CHECK_MODULE_RAW(
+    "pygccxml"
+    "import pygccxml"
+    PYGCCXML_FOUND
+    )
+
+include(GrPybind)
+
+########################################################################
+# Python Bindings
+########################################################################
+
+list(APPEND air_modes_python_files
+    python_bindings.cc)
+
+GR_PYBIND_MAKE_OOT(air_modes 
+   ../..
+   gr::air_modes
+   "${air_modes_python_files}")
+
+install(TARGETS air_modes_python DESTINATION ${GR_PYTHON_DIR}/air_modes COMPONENT pythonapi)

python/bindings/bind_oot_file.py

@@ -0,0 +1,57 @@
+import warnings
+import argparse
+import os
+from gnuradio.bindtool import BindingGenerator
+import pathlib
+import sys
+
+parser = argparse.ArgumentParser(description='Bind a GR Out of Tree Block')
+parser.add_argument('--module', type=str,
+                    help='Name of gr module containing file to bind (e.g. fft digital analog)')
+
+parser.add_argument('--output_dir', default='/tmp',
+                    help='Output directory of generated bindings')
+parser.add_argument('--prefix', help='Prefix of Installed GNU Radio')
+parser.add_argument('--src', help='Directory of gnuradio source tree',
+                    default=os.path.dirname(os.path.abspath(__file__))+'/../../..')
+
+parser.add_argument(
+    '--filename', help="File to be parsed")
+
+parser.add_argument(
+    '--defines', help='Set additional defines for precompiler',default=(), nargs='*')
+parser.add_argument(
+    '--include', help='Additional Include Dirs, separated', default=(), nargs='*')
+
+parser.add_argument(
+    '--status', help='Location of output file for general status (used during cmake)', default=None
+)
+parser.add_argument(
+    '--flag_automatic', default='0'
+)
+parser.add_argument(
+    '--flag_pygccxml', default='0'
+)
+
+args = parser.parse_args()
+
+prefix = args.prefix
+output_dir = args.output_dir
+defines = tuple(','.join(args.defines).split(','))
+includes = ','.join(args.include)
+name = args.module
+
+namespace = ['gr', name]
+prefix_include_root = name
+
+
+with warnings.catch_warnings():
+    warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+    bg = BindingGenerator(prefix, namespace,
+                          prefix_include_root, output_dir, define_symbols=defines, addl_includes=includes,
+                          catch_exceptions=False, write_json_output=False, status_output=args.status,
+                          flag_automatic=True if args.flag_automatic.lower() in [
+                              '1', 'true'] else False,
+                          flag_pygccxml=True if args.flag_pygccxml.lower() in ['1', 'true'] else False)
+    bg.gen_file_binding(args.filename)

python/bindings/docstrings/README.md

@@ -0,0 +1 @@
+This directory stores templates for docstrings that are scraped from the include header files for each block

python/bindings/docstrings/preamble_pydoc_template.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2021 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+#include "pydoc_macros.h"
+#define D(...) DOC(gr,air-modes, __VA_ARGS__ )
+/*
+  This file contains placeholders for docstrings for the Python bindings.
+  Do not edit! These were automatically extracted during the binding process
+  and will be overwritten during the build process
+ */
+
+
+
+ static const char *__doc_gr_air-modes_preamble = R"doc()doc";
+
+
+ static const char *__doc_gr_air-modes_preamble_preamble = R"doc()doc";
+
+
+ static const char *__doc_gr_air-modes_preamble_make = R"doc()doc";
+
+

python/bindings/docstrings/slicer_pydoc_template.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2021 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+#include "pydoc_macros.h"
+#define D(...) DOC(gr,air-modes, __VA_ARGS__ )
+/*
+  This file contains placeholders for docstrings for the Python bindings.
+  Do not edit! These were automatically extracted during the binding process
+  and will be overwritten during the build process
+ */
+
+
+
+ static const char *__doc_gr_air-modes_slicer = R"doc()doc";
+
+
+ static const char *__doc_gr_air-modes_slicer_slicer = R"doc()doc";
+
+
+ static const char *__doc_gr_air-modes_slicer_make = R"doc()doc";
+
+

python/bindings/header_utils.py

@@ -0,0 +1,78 @@
+# Utilities for reading values in header files
+
+from argparse import ArgumentParser
+import re
+
+
+class PybindHeaderParser:
+    def __init__(self, pathname):
+        with open(pathname,'r') as f:
+            self.file_txt = f.read()
+
+    def get_flag_automatic(self):
+        # p = re.compile(r'BINDTOOL_GEN_AUTOMATIC\(([^\s])\)')
+        # m = p.search(self.file_txt)
+        m = re.search(r'BINDTOOL_GEN_AUTOMATIC\(([^\s])\)', self.file_txt)
+        if (m and m.group(1) == '1'):
+            return True
+        else:
+            return False
+
+    def get_flag_pygccxml(self):    
+        # p = re.compile(r'BINDTOOL_USE_PYGCCXML\(([^\s])\)')
+        # m = p.search(self.file_txt)
+        m = re.search(r'BINDTOOL_USE_PYGCCXML\(([^\s])\)', self.file_txt)
+        if (m and m.group(1) == '1'):
+            return True
+        else:
+            return False
+
+    def get_header_filename(self):
+        # p = re.compile(r'BINDTOOL_HEADER_FILE\(([^\s]*)\)')
+        # m = p.search(self.file_txt)
+        m = re.search(r'BINDTOOL_HEADER_FILE\(([^\s]*)\)', self.file_txt)
+        if (m):
+            return m.group(1)
+        else:
+            return None
+
+    def get_header_file_hash(self):
+        # p = re.compile(r'BINDTOOL_HEADER_FILE_HASH\(([^\s]*)\)')
+        # m = p.search(self.file_txt)
+        m = re.search(r'BINDTOOL_HEADER_FILE_HASH\(([^\s]*)\)', self.file_txt)
+        if (m):
+            return m.group(1)
+        else:
+            return None
+
+    def get_flags(self):
+        return f'{self.get_flag_automatic()};{self.get_flag_pygccxml()};{self.get_header_filename()};{self.get_header_file_hash()};'
+
+
+
+def argParse():
+    """Parses commandline args."""
+    desc='Reads the parameters from the comment block in the pybind files'
+    parser = ArgumentParser(description=desc)
+
+    parser.add_argument("function", help="Operation to perform on comment block of pybind file", choices=["flag_auto","flag_pygccxml","header_filename","header_file_hash","all"])
+    parser.add_argument("pathname", help="Pathname of pybind c++ file to read, e.g. blockname_python.cc")
+
+    return parser.parse_args()
+
+if __name__ == "__main__":
+    # Parse command line options and set up doxyxml.
+    args = argParse()
+
+    pbhp = PybindHeaderParser(args.pathname)
+
+    if args.function == "flag_auto":
+        print(pbhp.get_flag_automatic())
+    elif args.function == "flag_pygccxml":
+        print(pbhp.get_flag_pygccxml())
+    elif args.function == "header_filename":
+        print(pbhp.get_header_filename())
+    elif args.function == "header_file_hash":
+        print(pbhp.get_header_file_hash()) 
+    elif args.function == "all":
+        print(pbhp.get_flags())

python/bindings/preamble_python.cc

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2021 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+/***********************************************************************************/
+/* This file is automatically generated using bindtool and can be manually edited  */
+/* The following lines can be configured to regenerate this file during cmake      */
+/* If manual edits are made, the following tags should be modified accordingly.    */
+/* BINDTOOL_GEN_AUTOMATIC(0)                                                       */
+/* BINDTOOL_USE_PYGCCXML(0)                                                        */
+/* BINDTOOL_HEADER_FILE(preamble.h)                                        */
+/* BINDTOOL_HEADER_FILE_HASH(99cc0f448ffd5f8da017452a42ffb8c1)                     */
+/***********************************************************************************/
+
+#include <pybind11/complex.h>
+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+
+namespace py = pybind11;
+
+#include <air-modes/preamble.h>
+// pydoc.h is automatically generated in the build directory
+#include <preamble_pydoc.h>
+
+void bind_preamble(py::module& m)
+{
+
+    using preamble    = gr::air-modes::preamble;
+
+
+    py::class_<preamble, gr::block, gr::basic_block,
+        std::shared_ptr<preamble>>(m, "preamble", D(preamble))
+
+        .def(py::init(&preamble::make),
+           D(preamble,make)
+        )
+
+
+
+
+        ;
+
+
+
+
+}
+
+
+
+
+
+
+
+

python/bindings/python_bindings.cc

@@ -0,0 +1,57 @@
+/*
+ * 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(
+    void bind_preamble(py::module& m);
+    void bind_slicer(py::module& m);
+// ) 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(air_modes_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(
+    bind_preamble(m);
+    bind_slicer(m);
+    // ) END BINDING_FUNCTION_CALLS
+}