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#!/usr/bin/python
#
# Copyright (c) 2009 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.
import sys
def _SConsNodeToFile(file_node):
'''Convert a scons file Node object to a path on disk.'''
return str(file_node.rfile())
def _Build(target, source, env):
'''Run the repack script.'''
data_pack_root_dir = env.subst('$CHROME_SRC_DIR/tools/data_pack')
sys.path.append(data_pack_root_dir)
import repack
sources = [_SConsNodeToFile(s) for s in source]
repack.RePack(_SConsNodeToFile(target[0]), sources)
def _BuildStr(targets, sources, env):
'''This message gets printed each time the builder runs.'''
return "Repacking data files into %s" % str(targets[0].rfile())
def _Scanner(file_node, env, path):
'''Repack files if repack.py or data_pack.py have changed.'''
data_pack_root_dir = env.subst('$CHROME_SRC_DIR/tools/data_pack')
files = []
for f in ('repack.py', 'data_pack.py'):
files.append(os.path.join(data_pack_root_dir, f))
return files
#############################################################################
## SCons Tool api methods below.
def generate(env):
action = env.Action(_Build, _BuildStr)
scanner = env.Scanner(function=_Scanner, skeys=['.pak'])
builder = env.Builder(action=action,
source_scanner=scanner,
src_suffix='.pak')
# add our builder and scanner to the environment
env.Append(BUILDERS = {'Repack': builder})
# Function name is mandated by newer versions of SCons.
def exists(env):
return 1
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