third_party/blink/Tools/Scripts/webkitpy/common/host.py

# Copyright (c) 2010 Google Inc. All rights reserved.
# Copyright (c) 2009 Apple Inc. All rights reserved.
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import logging

from webkitpy.common.checkout.git import Git
from webkitpy.common.config.builders import BUILDERS
from webkitpy.common.net import web
from webkitpy.common.net.buildbot import BuildBot
from webkitpy.common.system.system_host import SystemHost
from webkitpy.layout_tests.builder_list import BuilderList
from webkitpy.layout_tests.port.factory import PortFactory


_log = logging.getLogger(__name__)


class Host(SystemHost):

    def __init__(self):
        SystemHost.__init__(self)
        self.web = web.Web()

        self._git = None

        # Everything below this line is WebKit-specific and belongs on a higher-level object.
        self.buildbot = BuildBot()

        # FIXME: Unfortunately Port objects are currently the central-dispatch objects of the NRWT world.
        # In order to instantiate a port correctly, we have to pass it at least an executive, user, git, and filesystem
        # so for now we just pass along the whole Host object.
        # FIXME: PortFactory doesn't belong on this Host object if Port is going to have a Host (circular dependency).
        self.port_factory = PortFactory(self)

        self._engage_awesome_locale_hacks()

        self.builders = BuilderList(BUILDERS)

    # We call this from the Host constructor, as it's one of the
    # earliest calls made for all webkitpy-based programs.
    def _engage_awesome_locale_hacks(self):
        # To make life easier on our non-English users, we override
        # the locale environment variables inside webkitpy.
        # If we don't do this, programs like SVN will output localized
        # messages and svn.py will fail to parse them.
        # FIXME: We should do these overrides *only* for the subprocesses we know need them!
        # This hack only works in unix environments.
        self.environ['LANGUAGE'] = 'en'
        self.environ['LANG'] = 'en_US.UTF-8'
        self.environ['LC_MESSAGES'] = 'en_US.UTF-8'
        self.environ['LC_ALL'] = ''

    def git(self, path=None):
        if path:
            return Git(cwd=path, executive=self.executive, filesystem=self.filesystem)
        if not self._git:
            self._git = Git(filesystem=self.filesystem, executive=self.executive)
        return self._git