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#!/Users/daniellemes/projetos/pessoal/llma/linuxtips-llm/venv/bin/python | |
# -*- coding: utf-8 -*- | |
import sys | |
import os.path | |
import json | |
import jsonpatch | |
import tempfile | |
import argparse | |
parser = argparse.ArgumentParser( | |
description='Apply a JSON patch on a JSON file') | |
parser.add_argument('ORIGINAL', type=argparse.FileType('r'), | |
help='Original file') | |
parser.add_argument('PATCH', type=argparse.FileType('r'), | |
nargs='?', default=sys.stdin, | |
help='Patch file (read from stdin if omitted)') | |
parser.add_argument('--indent', type=int, default=None, | |
help='Indent output by n spaces') | |
parser.add_argument('-b', '--backup', action='store_true', | |
help='Back up ORIGINAL if modifying in-place') | |
parser.add_argument('-i', '--in-place', action='store_true', | |
help='Modify ORIGINAL in-place instead of to stdout') | |
parser.add_argument('-v', '--version', action='version', | |
version='%(prog)s ' + jsonpatch.__version__) | |
parser.add_argument('-u', '--preserve-unicode', action='store_true', | |
help='Output Unicode character as-is without using Code Point') | |
def main(): | |
try: | |
patch_files() | |
except KeyboardInterrupt: | |
sys.exit(1) | |
def patch_files(): | |
""" Diffs two JSON files and prints a patch """ | |
args = parser.parse_args() | |
doc = json.load(args.ORIGINAL) | |
patch = json.load(args.PATCH) | |
result = jsonpatch.apply_patch(doc, patch) | |
if args.in_place: | |
dirname = os.path.abspath(os.path.dirname(args.ORIGINAL.name)) | |
try: | |
# Attempt to replace the file atomically. We do this by | |
# creating a temporary file in the same directory as the | |
# original file so we can atomically move the new file over | |
# the original later. (This is done in the same directory | |
# because atomic renames do not work across mount points.) | |
fd, pathname = tempfile.mkstemp(dir=dirname) | |
fp = os.fdopen(fd, 'w') | |
atomic = True | |
except OSError: | |
# We failed to create the temporary file for an atomic | |
# replace, so fall back to non-atomic mode by backing up | |
# the original (if desired) and writing a new file. | |
if args.backup: | |
os.rename(args.ORIGINAL.name, args.ORIGINAL.name + '.orig') | |
fp = open(args.ORIGINAL.name, 'w') | |
atomic = False | |
else: | |
# Since we're not replacing the original file in-place, write | |
# the modified JSON to stdout instead. | |
fp = sys.stdout | |
# By this point we have some sort of file object we can write the | |
# modified JSON to. | |
json.dump(result, fp, indent=args.indent, ensure_ascii=not(args.preserve_unicode)) | |
fp.write('\n') | |
if args.in_place: | |
# Close the new file. If we aren't replacing atomically, this | |
# is our last step, since everything else is already in place. | |
fp.close() | |
if atomic: | |
try: | |
# Complete the atomic replace by linking the original | |
# to a backup (if desired), fixing up the permissions | |
# on the temporary file, and moving it into place. | |
if args.backup: | |
os.link(args.ORIGINAL.name, args.ORIGINAL.name + '.orig') | |
os.chmod(pathname, os.stat(args.ORIGINAL.name).st_mode) | |
os.rename(pathname, args.ORIGINAL.name) | |
except OSError: | |
# In the event we could not actually do the atomic | |
# replace, unlink the original to move it out of the | |
# way and finally move the temporary file into place. | |
os.unlink(args.ORIGINAL.name) | |
os.rename(pathname, args.ORIGINAL.name) | |
if __name__ == "__main__": | |
main() | |