port build system

2021-07-19 09:14:24 +02:00
parent 484f8ea48a
commit eeca8906ba
48 changed files with 12835 additions and 317 deletions
@@ -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 foo_sources)
+    MESSAGE(STATUS "No C++ sources... skipping python bindings")
+    return()
+endif(NOT foo_sources)
+
+########################################################################
+# Check for pygccxml
+########################################################################
+GR_PYTHON_CHECK_MODULE_RAW(
+    "pygccxml"
+    "import pygccxml"
+    PYGCCXML_FOUND
+    )
+
+include(GrPybind)
+
+########################################################################
+# Python Bindings
+########################################################################
+
+list(APPEND foo_python_files
+    python_bindings.cc)
+
+GR_PYBIND_MAKE_OOT(foo 
+   ../..
+   gr::foo
+   "${foo_python_files}")
+
+install(TARGETS foo_python DESTINATION ${GR_PYTHON_DIR}/foo COMPONENT pythonapi)
@@ -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)
@@ -0,0 +1 @@
+This directory stores templates for docstrings that are scraped from the include header files for each block
@@ -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())
@@ -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(foo_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
+}
				`@@ -0,0 +1 @@`
				`This directory stores templates for docstrings that are scraped from the include header files for each block`