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#!/usr/bin/env python3
"""\
@file profile_pretty.py
@author Nat Goodspeed
@date 2024-09-12
@brief Pretty-print a JSON file from Develop -> Render Tests -> Frame Profile
$LicenseInfo:firstyear=2024&license=viewerlgpl$
Copyright (c) 2024, Linden Research, Inc.
$/LicenseInfo$
"""
import logsdir
import json
from pathlib import Path
import sys
class Error(Exception):
pass
def pretty(path):
with open(path) as inf:
data = json.load(inf)
json.dump(data, sys.stdout, indent=4)
def main(*raw_args):
from argparse import ArgumentParser
parser = ArgumentParser(description="""
%(prog)s pretty-prints a JSON file from Develop -> Render Tests -> Frame Profile.
The file produced by the viewer is a single dense line of JSON.
""")
parser.add_argument('path', nargs='?',
help="""profile filename to pretty-print (default is most recent)""")
args = parser.parse_args(raw_args)
if not args.path:
logs = logsdir.logsdir()
profiles = Path(logs).glob('profile.*.json')
sort = [(p.stat().st_mtime, p) for p in profiles]
sort.sort(reverse=True)
try:
args.path = sort[0][1]
except IndexError:
raise Error(f'No profile.*.json files in {logs}')
# print path to sys.stderr in case user is redirecting stdout
print(args.path, file=sys.stderr)
pretty(args.path)
if __name__ == "__main__":
try:
sys.exit(main(*sys.argv[1:]))
except (Error, OSError, json.JSONDecodeError) as err:
sys.exit(str(err))
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