55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import contextlib
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import os
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import subprocess
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def color_string(string, color):
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colors = {
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'green': '\033[92m',
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'red': '\033[91m',
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'yellow': '\033[93m',
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}
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end_color = '\033[0m'
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return colors[color] + string + end_color
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@contextlib.contextmanager
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def cd(path):
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curdir = os.getcwd()
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os.chdir(path)
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try:
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yield
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finally:
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os.chdir(curdir)
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def call_output(cmd, *args, **kwargs):
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"""Invoke the specified command and return exit code and output.
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This is the missing subprocess.call_output, which is the combination of
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subprocess.call and subprocess.check_output. Like call, it returns an exit
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code rather than raising an exception. Like check_output, it returns the
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output of the program. Unlike check_output, it returns the output even on
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failure.
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Returns: Tuple of (exit_code, output).
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"""
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT, *args, **kwargs)
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out, _ = proc.communicate()
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return proc.returncode, out
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