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62 lines
1.9 KiB
62 lines
1.9 KiB
4 months ago
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#!/usr/bin/python
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# Copyright (c) 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Module that finds and runs a binary by looking in the likely locations."""
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import os
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import subprocess
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import sys
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def run_command(args):
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"""Runs a program from the command line and returns stdout.
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Args:
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args: Command line to run, as a list of string parameters. args[0] is the
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binary to run.
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Returns:
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stdout from the program, as a single string.
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Raises:
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Exception: the program exited with a nonzero return code.
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"""
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proc = subprocess.Popen(args,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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(stdout, stderr) = proc.communicate()
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if proc.returncode is not 0:
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raise Exception('command "%s" failed: %s' % (args, stderr))
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return stdout
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def find_path_to_program(program):
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"""Returns path to an existing program binary.
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Args:
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program: Basename of the program to find (e.g., 'render_pictures').
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Returns:
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Absolute path to the program binary, as a string.
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Raises:
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Exception: unable to find the program binary.
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"""
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trunk_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
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os.pardir))
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possible_paths = [os.path.join(trunk_path, 'out', 'Release', program),
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os.path.join(trunk_path, 'out', 'Debug', program),
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os.path.join(trunk_path, 'out', 'Release',
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program + '.exe'),
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os.path.join(trunk_path, 'out', 'Debug',
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program + '.exe')]
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for try_path in possible_paths:
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if os.path.isfile(try_path):
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return try_path
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raise Exception('cannot find %s in paths %s; maybe you need to '
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'build %s?' % (program, possible_paths, program))
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