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 vector-test

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node_common.py

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#!/usr/bin/env python

# Copyright 2017 the V8 project authors. All rights reserved.

# Use of this source code is governed by a BSD-style license that can be

# found in the LICENSE file.

# for py2/py3 compatibility

from __future__ import print_function

import os

import pipes

import shutil

import stat

import subprocess

import sys

DEPOT_TOOLS_URL = \

"https://chromium.googlesource.com/chromium/tools/depot_tools.git"

def EnsureDepotTools(v8_path, fetch_if_not_exist):

def _Get(v8_path):

depot_tools = os.path.join(v8_path, "_depot_tools")

try:

gclient_path = os.path.join(depot_tools, "gclient.py")

if os.path.isfile(gclient_path):

return depot_tools

except:

pass

if fetch_if_not_exist:

print("Checking out depot_tools.")

# shell=True needed on Windows to resolve git.bat.

subprocess.check_call("git clone {} {}".format(

pipes.quote(DEPOT_TOOLS_URL),

pipes.quote(depot_tools)), shell=True)

# Using check_output to hide warning messages.

subprocess.check_output(

[sys.executable, gclient_path, "metrics", "--opt-out"],

cwd=depot_tools)

return depot_tools

return None

depot_tools = _Get(v8_path)

assert depot_tools is not None

print("Using depot tools in %s" % depot_tools)

return depot_tools

def UninitGit(v8_path):

print("Uninitializing temporary git repository")

target = os.path.join(v8_path, ".git")

if os.path.isdir(target):

print(">> Cleaning up %s" % target)

def OnRmError(func, path, exec_info):

# This might happen on Windows

os.chmod(path, stat.S_IWRITE)

os.unlink(path)

shutil.rmtree(target, onerror=OnRmError)