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#!/usr/bin/python
# Copyright (c) 2009 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.
"""
Runs Coverity Prevent on a build of Chromium.
This script should be run in a Visual Studio Command Prompt, so that the
INCLUDE, LIB, and PATH environment variables are set properly for Visual
Studio.
Usage examples:
coverity.py
coverity.py --dry-run
coverity.py --target=debug
%comspec% /c ""C:\Program Files\Microsoft Visual Studio 8\VC\vcvarsall.bat"
x86 && C:\Python24\python.exe C:\coverity.py"
For a full list of options, pass the '--help' switch.
See http://support.microsoft.com/kb/308569 for running this script as a
Scheduled Task on Windows XP.
"""
import optparse
import os
import subprocess
import sys
import time
# TODO(wtc): Change these constants to command-line flags, particularly the
# ones that are paths. Set default values for the flags.
CHROMIUM_SOURCE_DIR = 'E:\\chromium.latest'
# Relative to CHROMIUM_SOURCE_DIR.
CHROMIUM_SOLUTION_FILE = 'src\\chrome\\chrome.sln'
# Relative to CHROMIUM_SOURCE_DIR.
CHROMIUM_SOLUTION_DIR = 'src\\chrome'
COVERITY_BIN_DIR = 'C:\\coverity\\prevent-mingw-4.4.0\\bin'
COVERITY_INTERMEDIATE_DIR = 'C:\\coverity\\cvbuild\\cr_int'
COVERITY_DATABASE_DIR = 'C:\\coverity\\cvbuild\\db'
COVERITY_ANALYZE_OPTIONS = ('--cxx --security --concurrency '
'--enable ATOMICITY '
'--enable MISSING_LOCK '
'--enable DELETE_VOID '
'--checker-option PASS_BY_VALUE:size_threshold:16 '
'--checker-option '
'USE_AFTER_FREE:allow_simple_use:false '
'--enable-constraint-fpp '
'--enable-callgraph-metrics')
COVERITY_PRODUCT = 'Chromium'
COVERITY_USER = 'admin'
# Relative to CHROMIUM_SOURCE_DIR. Contains the pid of this script.
LOCK_FILE = 'coverity.lock'
def _RunCommand(cmd, dry_run, shell=False):
"""Runs the command if dry_run is false, otherwise just prints the command."""
print cmd
# TODO(wtc): Check the return value of subprocess.call, which is the return
# value of the command.
if not dry_run:
subprocess.call(cmd, shell=shell)
def main(options, args):
"""Runs all the selected tests for the given build type and target."""
# Create the lock file to prevent another instance of this script from
# running.
lock_filename = '%s\\%s' % (CHROMIUM_SOURCE_DIR, LOCK_FILE)
try:
lock_file = os.open(lock_filename,
os.O_CREAT | os.O_EXCL | os.O_TRUNC | os.O_RDWR)
except OSError, err:
print 'Failed to open lock file:\n ' + str(err)
return 1
# Write the pid of this script (the python.exe process) to the lock file.
os.write(lock_file, str(os.getpid()))
options.target = options.target.title()
start_time = time.time()
print 'Change directory to ' + CHROMIUM_SOURCE_DIR
os.chdir(CHROMIUM_SOURCE_DIR)
cmd = 'gclient sync'
_RunCommand(cmd, options.dry_run, shell=True)
print 'Elapsed time: %ds' % (time.time() - start_time)
# Do a clean build. Remove the build output directory first.
# TODO(wtc): Consider using Python's rmtree function in the shutil module,
# or the RemoveDirectory function in
# trunk/tools/buildbot/scripts/common/chromium_utils.py.
cmd = 'rmdir /s /q %s\\%s\\%s' % (CHROMIUM_SOURCE_DIR,
CHROMIUM_SOLUTION_DIR, options.target)
_RunCommand(cmd, options.dry_run, shell=True)
print 'Elapsed time: %ds' % (time.time() - start_time)
cmd = '%s\\cov-build.exe --dir %s devenv.com %s\\%s /build %s' % (
COVERITY_BIN_DIR, COVERITY_INTERMEDIATE_DIR, CHROMIUM_SOURCE_DIR,
CHROMIUM_SOLUTION_FILE, options.target)
_RunCommand(cmd, options.dry_run)
print 'Elapsed time: %ds' % (time.time() - start_time)
cmd = '%s\\cov-analyze.exe --dir %s %s' % (COVERITY_BIN_DIR,
COVERITY_INTERMEDIATE_DIR,
COVERITY_ANALYZE_OPTIONS)
_RunCommand(cmd, options.dry_run)
print 'Elapsed time: %ds' % (time.time() - start_time)
cmd = ('%s\\cov-commit-defects.exe --dir %s --datadir %s --product %s '
'--user %s') % (COVERITY_BIN_DIR, COVERITY_INTERMEDIATE_DIR,
COVERITY_DATABASE_DIR, COVERITY_PRODUCT,
COVERITY_USER)
_RunCommand(cmd, options.dry_run)
print 'Total time: %ds' % (time.time() - start_time)
os.close(lock_file)
os.remove(lock_filename)
return 0
if '__main__' == __name__:
option_parser = optparse.OptionParser()
option_parser.add_option('', '--dry-run', action='store_true', default=False,
help='print but don\'t run the commands')
option_parser.add_option('', '--target', default='Release',
help='build target (Debug or Release)')
options, args = option_parser.parse_args()
result = main(options, args)
sys.exit(result)
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