Revert of DevTools: clean up scripts folder

third_party/WebKit/Source/devtools/scripts/build/devtools_file_hashes.py

-#!/usr/bin/env python
-# Copyright (c) 2014 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import hashlib
-import os.path
-
-try:
-    import json
-except ImportError:
-    import simplejson as json
-
-
-def save_hashes(hashes_file_path, hashes):
-    try:
-        with open(hashes_file_path, "wt") as hashes_file:
-            json.dump(hashes, hashes_file, indent=4, separators=(",", ": "))
-    except:
-        print "ERROR: Failed to write %s" % hashes_file_path
-        raise
-
-
-def load_hashes(hashes_file_path):
-    try:
-        with open(hashes_file_path, "r") as hashes_file:
-            hashes = json.load(hashes_file)
-    except:
-        return {}
-    return hashes
-
-
-def calculate_file_hash(file_path):
-    with open(file_path) as file:
-        data = file.read()
-        md5_hash = hashlib.md5(data).hexdigest()
-    return md5_hash
-
-
-def files_with_invalid_hashes(hash_file_path, file_paths):
-    hashes = load_hashes(hash_file_path)
-    result = []
-    for file_path in file_paths:
-        file_name = os.path.basename(file_path)
-        if calculate_file_hash(file_path) != hashes.get(file_name, ""):
-            result.append(file_path)
-    return result
-
-
-def update_file_hashes(hash_file_path, file_paths):
-    hashes = {}
-    for file_path in file_paths:
-        file_name = os.path.basename(file_path)
-        hashes[file_name] = calculate_file_hash(file_path)
-    save_hashes(hash_file_path, hashes)