blob: 77671f608082f4471dc83a682ec157d83afe622e [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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
from subprocess import Popen, PIPE, STDOUT
from shlex import split
from Buffer import Buffer
def run(cmd, quiet = False, abandon_output = True):
proc = Popen(split(cmd), stdout = PIPE, stderr = STDOUT)
buf = Buffer(abandon_output = abandon_output)
line = proc.stdout.readline()
while len(line):
buf.put(line)
if not quiet:
print(line, end = '')
line = proc.stdout.readline()
# Process could probably close the descriptor before exiting.
proc.wait()
if proc.returncode != 0:
raise Exception('Process exited with a non-zero return code. ' +
'Last output of the program:\n\n' +
'---------- Start of exception log --\n' +
buf.get_short().strip() +
'\n---------- End of exception log --\n')
return buf.get_long()