src/third_party/blink/Tools/Scripts/webkitpy/common/system/systemhost.py

# Copyright (c) 2011 Google Inc. All rights reserved.
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# modification, are permitted provided that the following conditions are
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# in the documentation and/or other materials provided with the
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# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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import os
import platform
import sys

from webkitpy.common.system import environment, executive, filesystem, platforminfo, user, workspace


class SystemHost(object):
    def __init__(self):
        self.executable = sys.executable
        self.executive = executive.Executive()
        self.filesystem = filesystem.FileSystem()
        self.user = user.User()
        self.platform = platforminfo.PlatformInfo(sys, platform, self.executive)
        self.workspace = workspace.Workspace(self.filesystem, self.executive)
        self.stdin = sys.stdin
        self.stdout = sys.stdout
        self.stderr = sys.stderr

    def copy_current_environment(self):
        return environment.Environment(os.environ.copy())

    def print_(self, *args, **kwargs):
        sep = kwargs.get('sep', ' ')
        end = kwargs.get('end', '\n')
        stream = kwargs.get('stream', self.stdout)
        stream.write(sep.join([str(arg) for arg in args]) + end)

    def exit(self, returncode):
        sys.exit(returncode)