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#!/usr/bin/env python3
# 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
import argparse
import collections
import json
import os
import sys
def find_remap_files(path):
for root, dirs, files in os.walk(path):
for filename in files:
if not filename.endswith(".remap"):
continue
yield os.path.join(root, filename)
def apply_edits(path):
remap_files = find_remap_files(path)
if not remap_files:
print("No remap files found")
return 1
edits_per_file = collections.defaultdict(list)
for remap_file in remap_files:
with open(remap_file) as f:
json_data = f.read()
json_data = json_data.replace(",\n }", "\n }")
json_data = json_data.replace(",\n]", "\n]")
curr_edits = json.loads(json_data)
for ed in curr_edits:
fname = ed["file"]
offset = ed["offset"]
length = ed.get("remove", 0)
text = ed.get("text", "")
edits_per_file[fname].append((offset, length, text))
for fname, edits in edits_per_file.items():
print('Updating', fname)
edits.sort(reverse=True)
with open(fname) as f:
file_data = f.read()
for ed in edits:
offset, length, text = ed
file_data = file_data[:offset] + str(text) + \
file_data[offset + length:]
with open(fname, 'w') as f:
f.write(file_data)
return 0
def main():
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()
return apply_edits(args.build_dir_path)
if __name__ == "__main__":
sys.exit(main())
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