blob: 84903991c2d5e8ec5628c34666fb61c222f20198 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Wrapper script for running the Native Client validator (ncval).
import argparse
import os
import subprocess
import sys
import getos
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
NACL_SDK_ROOT = os.path.dirname(SCRIPT_DIR)
if sys.version_info < (2, 7, 0):
sys.stderr.write("python 2.7 or later is required run this script\n")
class Error(Exception):
def Log(msg):
if Log.verbose:
sys.stderr.write(str(msg) + '\n')
Log.verbose = False
def main(args):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-v', '--verbose', action='store_true',
help='Verbose output')
parser.add_argument('nexe', metavar="EXE", help='Executable to validate')
# To enable bash completion for this command first install optcomplete
# and then add this line to your .bashrc:
# complete -F _optcomplete
import optcomplete
except ImportError:
options = parser.parse_args(args)
nexe = options.nexe
if options.verbose:
Log.verbose = True
# TODO(binji): Fix ncval upstream to reduce the
# amount of additional checking done here.
osname = getos.GetPlatform()
if not os.path.exists(nexe):
raise Error('executable not found: %s' % nexe)
if not os.path.isfile(nexe):
raise Error('not a file: %s' % nexe)
ncval = os.path.join(SCRIPT_DIR, 'ncval')
if osname == 'win':
ncval += '.exe'
cmd = [ncval, nexe]
Log('Running %s' % ' '.join(cmd))
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
proc_out, _ = proc.communicate()
if proc.returncode:
# ncval doesn't print anything to stderr.
sys.stderr.write('Validating %s failed:\n' % nexe)
sys.stderr.write(proc_out + '\n')
Log('Changing the modification time of %s to 0.' % nexe)
# "untouch" the executable; that is, change the modification time to be so
# old that it will be remade when `make` runs.
statinfo = os.stat(nexe)
mtime = 0
os.utime(nexe, (statinfo.st_atime, mtime))
return proc.returncode
elif options.verbose:
# By default, don't print anything on success.
if __name__ == '__main__':
except Error as e:
sys.stderr.write(str(e) + '\n')