mirror of
https://github.com/klzgrad/naiveproxy.git
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42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
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# Copyright 2018 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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import os
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import platform
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import sys
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DIR_SOURCE_ROOT = os.path.abspath(
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os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
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SDK_ROOT = os.path.join(DIR_SOURCE_ROOT, 'third_party', 'fuchsia-sdk', 'sdk')
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def EnsurePathExists(path):
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"""Checks that the file |path| exists on the filesystem and returns the path
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if it does, raising an exception otherwise."""
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if not os.path.exists(path):
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raise IOError('Missing file: ' + path)
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return path
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def GetHostOsFromPlatform():
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host_platform = sys.platform
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if host_platform.startswith('linux'):
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return 'linux'
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elif host_platform.startswith('darwin'):
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return 'mac'
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raise Exception('Unsupported host platform: %s' % host_platform)
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def GetHostArchFromPlatform():
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host_arch = platform.machine()
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if host_arch == 'x86_64':
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return 'x64'
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elif host_arch == 'aarch64':
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return 'arm64'
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raise Exception('Unsupported host architecture: %s' % host_arch)
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def GetQemuRootForPlatform():
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return os.path.join(DIR_SOURCE_ROOT, 'third_party',
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'qemu-' + GetHostOsFromPlatform() + '-' +
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GetHostArchFromPlatform())
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