platform_build/tools/generate-notice-files.py
Jaekyun Seok 3b7560bf88 Split vendor license notices into vendor partition
Xml files will be generated instead of html files, and then Settings
will generate html file on runtime from xml files of partitions.

Test: build succeeded and tested on sailfish
Bug: 37099941
Change-Id: Id7899381a537b1947cbb6164ed2b4a98492334af
2017-04-28 16:29:17 +09:00

268 lines
9.6 KiB
Python
Executable file

#!/usr/bin/env python
#
# Copyright (C) 2012 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Usage: generate-notice-files --text-output [plain text output file] \
--html-output [html output file] \
--xml-output [xml output file] \
-t [file title] -s [directory of notices]
Generate the Android notice files, including both text and html files.
-h to display this usage message and exit.
"""
from collections import defaultdict
import argparse
import hashlib
import itertools
import os
import os.path
import re
import sys
MD5_BLOCKSIZE = 1024 * 1024
HTML_ESCAPE_TABLE = {
"&": "&",
'"': """,
"'": "'",
">": ">",
"<": "&lt;",
}
def hexify(s):
return ("%02x"*len(s)) % tuple(map(ord, s))
def md5sum(filename):
"""Calculate an MD5 of the file given by FILENAME,
and return hex digest as a string.
Output should be compatible with md5sum command"""
f = open(filename, "rb")
sum = hashlib.md5()
while 1:
block = f.read(MD5_BLOCKSIZE)
if not block:
break
sum.update(block)
f.close()
return hexify(sum.digest())
def html_escape(text):
"""Produce entities within text."""
return "".join(HTML_ESCAPE_TABLE.get(c,c) for c in text)
HTML_OUTPUT_CSS="""
<style type="text/css">
body { padding: 0; font-family: sans-serif; }
.same-license { background-color: #eeeeee; border-top: 20px solid white; padding: 10px; }
.label { font-weight: bold; }
.file-list { margin-left: 1em; color: blue; }
</style>
"""
def combine_notice_files_html(file_hash, input_dir, output_filename):
"""Combine notice files in FILE_HASH and output a HTML version to OUTPUT_FILENAME."""
SRC_DIR_STRIP_RE = re.compile(input_dir + "(/.*).txt")
# Set up a filename to row id table (anchors inside tables don't work in
# most browsers, but href's to table row ids do)
id_table = {}
id_count = 0
for value in file_hash:
for filename in value:
id_table[filename] = id_count
id_count += 1
# Open the output file, and output the header pieces
output_file = open(output_filename, "wb")
print >> output_file, "<html><head>"
print >> output_file, HTML_OUTPUT_CSS
print >> output_file, '</head><body topmargin="0" leftmargin="0" rightmargin="0" bottommargin="0">'
# Output our table of contents
print >> output_file, '<div class="toc">'
print >> output_file, "<ul>"
# Flatten the list of lists into a single list of filenames
sorted_filenames = sorted(itertools.chain.from_iterable(file_hash))
# Print out a nice table of contents
for filename in sorted_filenames:
stripped_filename = SRC_DIR_STRIP_RE.sub(r"\1", filename)
print >> output_file, '<li><a href="#id%d">%s</a></li>' % (id_table.get(filename), stripped_filename)
print >> output_file, "</ul>"
print >> output_file, "</div><!-- table of contents -->"
# Output the individual notice file lists
print >>output_file, '<table cellpadding="0" cellspacing="0" border="0">'
for value in file_hash:
print >> output_file, '<tr id="id%d"><td class="same-license">' % id_table.get(value[0])
print >> output_file, '<div class="label">Notices for file(s):</div>'
print >> output_file, '<div class="file-list">'
for filename in value:
print >> output_file, "%s <br/>" % (SRC_DIR_STRIP_RE.sub(r"\1", filename))
print >> output_file, "</div><!-- file-list -->"
print >> output_file
print >> output_file, '<pre class="license-text">'
print >> output_file, html_escape(open(value[0]).read())
print >> output_file, "</pre><!-- license-text -->"
print >> output_file, "</td></tr><!-- same-license -->"
print >> output_file
print >> output_file
print >> output_file
# Finish off the file output
print >> output_file, "</table>"
print >> output_file, "</body></html>"
output_file.close()
def combine_notice_files_text(file_hash, input_dir, output_filename, file_title):
"""Combine notice files in FILE_HASH and output a text version to OUTPUT_FILENAME."""
SRC_DIR_STRIP_RE = re.compile(input_dir + "(/.*).txt")
output_file = open(output_filename, "wb")
print >> output_file, file_title
for value in file_hash:
print >> output_file, "============================================================"
print >> output_file, "Notices for file(s):"
for filename in value:
print >> output_file, SRC_DIR_STRIP_RE.sub(r"\1", filename)
print >> output_file, "------------------------------------------------------------"
print >> output_file, open(value[0]).read()
output_file.close()
def combine_notice_files_xml(files_with_same_hash, input_dir, output_filename):
"""Combine notice files in FILE_HASH and output a XML version to OUTPUT_FILENAME."""
SRC_DIR_STRIP_RE = re.compile(input_dir + "(/.*).txt")
# Set up a filename to row id table (anchors inside tables don't work in
# most browsers, but href's to table row ids do)
id_table = {}
for file_key in files_with_same_hash.keys():
for filename in files_with_same_hash[file_key]:
id_table[filename] = file_key
# Open the output file, and output the header pieces
output_file = open(output_filename, "wb")
print >> output_file, '<?xml version="1.0" encoding="utf-8"?>'
print >> output_file, "<licenses>"
# Flatten the list of lists into a single list of filenames
sorted_filenames = sorted(id_table.keys())
# Print out a nice table of contents
for filename in sorted_filenames:
stripped_filename = SRC_DIR_STRIP_RE.sub(r"\1", filename)
print >> output_file, '<file-name contentId="%s">%s</file-name>' % (id_table.get(filename), stripped_filename)
print >> output_file
print >> output_file
processed_file_keys = []
# Output the individual notice file lists
for filename in sorted_filenames:
file_key = id_table.get(filename)
if file_key in processed_file_keys:
continue
processed_file_keys.append(file_key)
print >> output_file, '<file-content contentId="%s"><![CDATA[%s]]></file-content>' % (file_key, html_escape(open(filename).read()))
print >> output_file
# Finish off the file output
print >> output_file, "</licenses>"
output_file.close()
def get_args():
parser = argparse.ArgumentParser()
parser.add_argument(
'--text-output', required=True,
help='The text output file path.')
parser.add_argument(
'--html-output',
help='The html output file path.')
parser.add_argument(
'--xml-output',
help='The xml output file path.')
parser.add_argument(
'-t', '--title', required=True,
help='The file title.')
parser.add_argument(
'-s', '--source-dir', required=True,
help='The directory containing notices.')
parser.add_argument(
'-i', '--included-subdirs', action='append',
help='The sub directories which should be included.')
parser.add_argument(
'-e', '--excluded-subdirs', action='append',
help='The sub directories which should be excluded.')
return parser.parse_args()
def main(argv):
args = get_args()
txt_output_file = args.text_output
html_output_file = args.html_output
xml_output_file = args.xml_output
file_title = args.title
included_subdirs = []
excluded_subdirs = []
if args.included_subdirs is not None:
included_subdirs = args.included_subdirs
if args.excluded_subdirs is not None:
excluded_subdirs = args.excluded_subdirs
# Find all the notice files and md5 them
input_dir = os.path.normpath(args.source_dir)
files_with_same_hash = defaultdict(list)
for root, dir, files in os.walk(input_dir):
for file in files:
matched = True
if len(included_subdirs) > 0:
matched = False
for subdir in included_subdirs:
if root.startswith(input_dir + '/' + subdir):
matched = True
break
elif len(excluded_subdirs) > 0:
for subdir in excluded_subdirs:
if root.startswith(input_dir + '/' + subdir):
matched = False
break
if matched and file.endswith(".txt"):
filename = os.path.join(root, file)
file_md5sum = md5sum(filename)
files_with_same_hash[file_md5sum].append(filename)
filesets = [sorted(files_with_same_hash[md5]) for md5 in sorted(files_with_same_hash.keys())]
print "Combining NOTICE files into text"
combine_notice_files_text(filesets, input_dir, txt_output_file, file_title)
if html_output_file is not None:
print "Combining NOTICE files into HTML"
combine_notice_files_html(filesets, input_dir, html_output_file)
if xml_output_file is not None:
print "Combining NOTICE files into XML"
combine_notice_files_xml(files_with_same_hash, input_dir, xml_output_file)
if __name__ == "__main__":
main(sys.argv)