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# Copyright 2016 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
from __future__ import print_function, absolute_import
import argparse
import os
import subprocess
from gnuradio import gr
from .core import Messages
from .core.Platform import Platform
def argument_parser():
parser = argparse.ArgumentParser(description=(
"Compile a GRC file (.grc) into a GNU Radio Python program and run it."
))
parser.add_argument("-o", "--output", metavar='DIR', default='.',
help="Output directory for compiled program [default=%(default)s]")
parser.add_argument("-u", "--user-lib-dir", action='store_true', default=False,
help="Output to default hier_block library (overwrites -o)")
parser.add_argument("-r", "--run", action="store_true", default=False,
help="Run the program after compiling [default=%(default)s]")
parser.add_argument(metavar="GRC_FILE", dest='grc_files', nargs='+',
help=".grc file to compile")
return parser
def main(args=None):
args = args or argument_parser().parse_args()
platform = Platform(
name='GNU Radio Companion Compiler',
prefs_file=gr.prefs(),
version=gr.version(),
version_parts=(gr.major_version(), gr.api_version(), gr.minor_version())
)
out_dir = args.output if not args.user_lib_dir else platform.config.hier_block_lib_dir
if os.path.exists(out_dir):
pass # all is well
elif args.save_to_lib:
os.mkdir(out_dir) # create missing hier_block lib directory
else:
exit('Error: Invalid output directory')
Messages.send_init(platform)
flow_graph = file_path = None
for grc_file in args.grc_files:
os.path.exists(grc_file) or exit('Error: missing ' + grc_file)
Messages.send('\n')
flow_graph, file_path = platform.load_and_generate_flow_graph(
os.path.abspath(grc_file), os.path.abspath(out_dir))
if not file_path:
exit('Compilation error')
if file_path and args.run:
run_command_args = flow_graph.get_run_command(file_path, split=True)
subprocess.call(run_command_args)
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