Files
PX4-Autopilot/libuavcan/dsdl_compiler/libuavcan_dsdlc
T
Ben Dyer 42f436d609 Prepend pyuavcan in source directory to sys.path
When running from the source directory, libuavcan_dsdlc should
use the version of pyuavcan in the source directory instead of
a globally installed version of pyuavcan.

Fixes UAVCAN/uavcan#18
2015-04-03 00:43:11 +11:00

61 lines
2.4 KiB
Python
Executable File

#!/usr/bin/env python
#
# UAVCAN DSDL compiler for libuavcan
# Supported Python versions: 3.2+, 2.7.
#
# Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
#
from __future__ import division, absolute_import, print_function, unicode_literals
import os, sys, logging, argparse
RUNNING_FROM_SRC_DIR = os.path.abspath(__file__).endswith(os.path.join('libuavcan', 'dsdl_compiler', 'libuavcan_dsdlc'))
if RUNNING_FROM_SRC_DIR:
print('Running from the source directory')
scriptdir = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, os.path.join(scriptdir, '..', '..', 'pyuavcan'))
sys.path.insert(0, os.path.join(scriptdir))
def configure_logging(verbosity):
fmt = '%(message)s'
level = { 0: logging.WARNING, 1: logging.INFO, 2: logging.DEBUG }.get(verbosity or 0, logging.DEBUG)
logging.basicConfig(stream=sys.stderr, level=level, format=fmt)
def die(text):
print(text, file=sys.stderr)
exit(1)
DEFAULT_OUTDIR = 'dsdlc_generated'
DESCRIPTION = '''UAVCAN DSDL compiler for libuavcan.
Takes an input directory that contains an hierarchy of DSDL
definitions and converts it into compatible hierarchy of C++ types for libuavcan.
This script can be used directly from the source directory, no installation required!
Supported Python versions: 3.2+, 2.7.
'''
argparser = argparse.ArgumentParser(description=DESCRIPTION)
argparser.add_argument('source_dir', nargs='+', help='source directory with DSDL definitions')
argparser.add_argument('--verbose', '-v', action='count', help='verbosity level (-v, -vv)')
argparser.add_argument('--outdir', '-O', default=DEFAULT_OUTDIR, help='output directory, default %s' % DEFAULT_OUTDIR)
argparser.add_argument('--incdir', '-I', default=[], action='append', help=
'''nested type namespaces, one path per argument. Can be also specified through the environment variable
UAVCAN_DSDL_INCLUDE_PATH, where the path entries are separated by colons ":"''')
args = argparser.parse_args()
configure_logging(args.verbose)
try:
extra_incdir = os.environ['UAVCAN_DSDL_INCLUDE_PATH'].split(':')
logging.info('Additional include directories: %s', extra_incdir)
args.incdir += extra_incdir
except KeyError:
pass
from libuavcan_dsdl_compiler import run as dsdlc_run
try:
dsdlc_run(args.source_dir, args.incdir, args.outdir)
except Exception as ex:
logging.error('Compiler failure', exc_info=True)
die(str(ex))