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| #!/Users/surbhisharma/Medical_RAG/myenv/bin/python3 | |
| # -*- 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() | |