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# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Tool module for adding, to a construction environment, Chromium-specific
wrappers around SCons builders. This gives us a central place for any
customization we need to make to the different things we build.
"""
import sys
from SCons.Script import *
class Null(object):
def __new__(cls, *args, **kwargs):
if '_inst' not in vars(cls):
cls._inst = super(type, cls).__new__(cls, *args, **kwargs)
return cls._inst
def __init__(self, *args, **kwargs): pass
def __call__(self, *args, **kwargs): return self
def __repr__(self): return "Null()"
def __nonzero__(self): return False
def __getattr__(self, name): return self
def __setattr__(self, name, val): return self
def __delattr__(self, name): return self
def __getitem__(self, name): return self
def generate(env):
# Add the grit tool to the base environment because we use this a lot.
sys.path.append(env.Dir('$SRC_DIR/tools/grit').abspath)
env.Tool('scons', toolpath=[env.Dir('$SRC_DIR/tools/grit/grit')])
# Add the repack python script tool that we use in multiple places.
sys.path.append(env.Dir('$SRC_DIR/tools/data_pack').abspath)
env.Tool('scons', toolpath=[env.Dir('$SRC_DIR/tools/data_pack/')])
def exists(env):
return True
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