apply-fixit-edits.py

#!/usr/bin/env python
# utils/apply-fixit-edits.py - Apply edits from .remap files -*- python -*-
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

from __future__ importprint_function

importargparse
importcollections
importjson
importos
importsys


deffind_remap_files(path):
forroot, dirs, filesinos.walk(path):
forfilenameinfiles:
ifnotfilename.endswith(".remap"):
continue
yieldos.path.join(root, filename)


defapply_edits(path):
remap_files=find_remap_files(path)
ifnotremap_files:
print("No remap files found")
return1

edits_per_file=collections.defaultdict(list)
forremap_fileinremap_files:
withopen(remap_file) asf:
json_data=f.read()
json_data=json_data.replace(",\n }", "\n }")
json_data=json_data.replace(",\n]", "\n]")
curr_edits=json.loads(json_data)
foredincurr_edits:
fname=ed["file"]
offset=ed["offset"]
length=ed.get("remove", 0)
text=ed.get("text", "")
edits_per_file[fname].append((offset, length, text))

forfname, editsinedits_per_file.iteritems():
print('Updating', fname)
edits.sort(reverse=True)
withopen(fname) asf:
file_data=f.read()
foredinedits:
offset, length, text=ed
file_data=file_data[:offset] +str(text) + \
file_data[offset+length:]
withopen(fname, 'w') asf:
f.write(file_data)
return0


defmain():
parser=argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description="""Finds all .remap files in a directory and applies their
edits to the source files.""")
parser.add_argument("build_dir_path",
help="path to index info")

args=parser.parse_args()
returnapply_edits(args.build_dir_path)


if__name__=="__main__":
sys.exit(main())