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python: use ujson if available

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It's noticeably faster.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2022-10-04 18:01:08 +02:00
parent fc84b6ee08
commit d40aee771f
1 changed files with 12 additions and 3 deletions
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15
python/xrelfo.py
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@ -21,7 +21,16 @@ import os
import struct import struct
import re import re
import traceback import traceback
import json
json_dump_args = {}
try:
import ujson as json
json_dump_args["escape_forward_slashes"] = False
except ImportError:
import json
import argparse import argparse
from clippy.uidhash import uidhash from clippy.uidhash import uidhash
@ -418,12 +427,12 @@ def _main(args):
if args.output: if args.output:
with open(args.output + '.tmp', 'w') as fd: with open(args.output + '.tmp', 'w') as fd:
json.dump(out, fd, indent=2, sort_keys=True) json.dump(out, fd, indent=2, sort_keys=True, **json_dump_args)
os.rename(args.output + '.tmp', args.output) os.rename(args.output + '.tmp', args.output)
if args.out_by_file: if args.out_by_file:
with open(args.out_by_file + '.tmp', 'w') as fd: with open(args.out_by_file + '.tmp', 'w') as fd:
json.dump(outbyfile, fd, indent=2, sort_keys=True) json.dump(outbyfile, fd, indent=2, sort_keys=True, **json_dump_args)
os.rename(args.out_by_file + '.tmp', args.out_by_file) os.rename(args.out_by_file + '.tmp', args.out_by_file)
if __name__ == '__main__': if __name__ == '__main__':