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#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# Copyright 2019 OmniOS Community Edition (OmniOSce) Association.
#
# Wrap a command-line check tool in a pythonic API
#
import subprocess
import tempfile
def processcheck(command, args, inpt, output):
'''Run a checking command, command, with arguments as args.
Input is provided by inpt (an iterable), error output is
written to output (a stream-like entity).
Return a tuple (error, handle), where handle is a file handle
(you must close it), containing output from the command.'''
#
# We use a tempfile for output, rather than a pipe, so we
# don't deadlock with the child if both pipes fill.
#
try:
tmpfile = tempfile.TemporaryFile(prefix=command, mode="w+")
except EnvironmentError as e:
output.write("Could not create temporary file: %s\n" % e)
return (3, None)
try:
p = subprocess.Popen([command] + args,
stdin=subprocess.PIPE, stdout=tmpfile,
stderr=subprocess.STDOUT, close_fds=False)
except OSError as e:
output.write("Could not execute %s: %s\n" % (command, e))
return (3, None)
for line in inpt:
p.stdin.write(line)
p.stdin.close()
ret = p.wait()
tmpfile.seek(0)
return (ret < 0 and 1 or ret, tmpfile)
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