tools/util.py

# Copyright 2015, ARM Limited
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions and the following disclaimer in the documentation
#     and/or other materials provided with the distribution.
#   * Neither the name of ARM Limited nor the names of its contributors may be
#     used to endorse or promote products derived from this software without
#     specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import glob
import os
import re
import shlex
import subprocess
import sys


def ListCCFilesWithoutExt(path):
  return map(lambda x : os.path.splitext(os.path.basename(x))[0],
             glob.glob(os.path.join(path, '*.cc')))


def abort(message):
  print('ABORTING: ' + message)
  sys.exit(1)


# Emulate python3 subprocess.getstatusoutput.
def getstatusoutput(command, shell=False):
  try:
    args = shlex.split(command)
    output = subprocess.check_output(args, stderr=subprocess.STDOUT, shell=shell)
    return 0, output.rstrip('\n')
  except subprocess.CalledProcessError as e:
    return e.returncode, e.output.rstrip('\n')


def IsCommandAvailable(command):
    retcode, unused_output = getstatusoutput('which %s' % command)
    return retcode == 0


def ensure_dir(path_name):
  if not os.path.exists(path_name):
    os.makedirs(path_name)


# Check that the specified program is available.
def require_program(program_name):
  rc, out = getstatusoutput('which %s' % program_name)
  if rc != 0:
    print('ERROR: The required program %s was not found.' % program_name)
    sys.exit(rc)