blob: 04fa8bba342e06ce25df03265fb3ce7ee12721d0 [file] [log] [blame]
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# A platform-agnostic tool for running a program in a modified environment.
import sys
import os
import subprocess
from optparse import OptionParser
def main(argv=None):
parser = OptionParser(usage="Usage: %prog [options] [--] VAR=VALUE... command [options] arg1 arg2...")
parser.add_option("-i", "--ignore-environment",
action="store_true", default=False,
help="Start with an empty environment (do not inherit current environment)")
(options, args) = parser.parse_args(args=argv)
if options.ignore_environment:
new_env = {}
new_env = os.environ.copy()
# pull out each name value pair
while (len(args)):
z = args[0].split("=",1)
if len(z) != 2:
break; # done with env args
if len(z[0]) == 0:
raise Exception("Error: incorrect format for env var: '%s'" % str(args[x]))
del args[0]
if len(z[1]) == 0:
# value is not present, so delete it
if z[0] in new_env:
del new_env[z[0]]
new_env[z[0]] = z[1]
if len(args) == 0 or len(args[0]) == 0:
raise Exception("Error: syntax error in command arguments")
if new_env.get("VALGRIND") and new_env.get("VALGRIND_ALL"):
# Python generates a lot of possibly-lost errors that are not errors, don't show them.
args = [new_env.get("VALGRIND"), "--show-reachable=no", "--show-possibly-lost=no",
"--error-exitcode=42"] + args
p = subprocess.Popen(args, env=new_env)
return p.wait()
if __name__ == "__main__":