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#
# //===----------------------------------------------------------------------===//
# //
# // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# // See https://llvm.org/LICENSE.txt for license information.
# // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
# //
# //===----------------------------------------------------------------------===//
#
import os
import subprocess
import sys
class ScriptError(Exception):
"""Convenience class for user errors generated"""
def __init__(self, msg):
super(Exception, self).__init__(msg)
def error(msg):
raise ScriptError(msg)
def print_line(msg, form="i"):
print("{}: ({}) {}".format(os.path.basename(sys.argv[0]), form, msg))
def print_info_line(msg):
print_line(msg)
def print_error_line(msg):
print_line(msg, form="x")
class RunResult:
"""
Auxiliary class for execute_command() containing the
results of running a command
"""
def __init__(self, args, stdout, stderr, returncode):
self.executable = args[0]
self.stdout = stdout.decode("utf-8")
self.stderr = stderr.decode("utf-8")
self.returncode = returncode
self.command = " ".join(args)
def execute_command(args):
"""
Run a command with arguments: args
Return RunResult containing stdout, stderr, returncode
"""
handle = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = handle.communicate()
returncode = handle.wait()
return RunResult(args, stdout, stderr, returncode)
# end of file
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