Files
pylingual/dev_scripts/evaluate_decompiler.py
T
2025-12-12 11:18:47 -06:00

77 lines
3.3 KiB
Python

import pathlib
import tqdm
import click
import csv
from datetime import datetime
import signal
from pylingual.decompiler import decompile
@click.command(help= "Evaluation script for pylingual")
@click.argument("pyc_list")
@click.argument("out_dir")
def main(pyc_list, out_dir):
start_time = datetime.now()
def timeout_handler(signum, frame):
raise TimeoutError()
signal.signal(signal.SIGALRM, timeout_handler)
pyc_list = pathlib.Path(pyc_list)
out_dir = pathlib.Path(out_dir) / f"pylingual-{datetime.now().strftime('%Y-%m-%d_%H-%M-%S')}"
pyc_files = [pathlib.Path(pyc_path_line.strip()) for pyc_path_line in pyc_list.read_text().splitlines()]
out_dir.mkdir(parents=True, exist_ok=True)
evaluation_results_file = out_dir / 'evaluation_results.csv'
evaluation_results_stream = evaluation_results_file.open('w', newline='')
evaluation_writer = csv.DictWriter(evaluation_results_stream, fieldnames=['pyc_file', 'py_file', 'identifier', 'success', 'category', 'notes'])
evaluation_writer.writeheader()
# decompile all the pyc files
total_files_succeeded = 0
total_files_attempted = 0
for pyc_file in (evaluation_progress := tqdm.tqdm(pyc_files)):
decompiler_results_dir = out_dir / 'decompilation_results'
decompiler_results_dir.mkdir(parents=True, exist_ok=True)
target_out_dir = decompiler_results_dir / pyc_file.parent.name
identifier = str(pyc_file).split("/")[-2]
# update progress bar
if total_files_attempted > 0:
evaluation_progress.set_postfix({
'file_success': f'{total_files_succeeded}/{total_files_attempted} ({total_files_succeeded / total_files_attempted:.2%})',
})
total_files_attempted += 1
# decompile the file
try:
signal.alarm(300) # 5-minute timeout for decompiling one file
py_file = decompile(pyc_file, target_out_dir)
signal.alarm(0) # success; disable timer
except Exception as err:
signal.alarm(0)
evaluation_writer.writerow({'pyc_file': pyc_file, 'py_file': '', 'identifier': 'FILE', 'success': False, 'category': 'DECOMPILER ERROR', 'notes': repr(err)})
continue
if all([result.success for result in py_file.equivalence_results]):
evaluation_writer.writerow({'pyc_file': pyc_file, 'py_file': pyc_file.parent.name, 'identifier': 'FILE', 'success': True, 'category': 'Equal', 'notes': ''})
total_files_succeeded += 1
else:
evaluation_writer.writerow({'pyc_file': pyc_file, 'py_file': pyc_file.parent.name, 'identifier': 'FILE', 'success': False, 'category': 'Different', 'notes': ''})
evaluation_writer.writerows({'pyc_file': pyc_file, 'py_file': pyc_file.parent.name, 'identifier': identifier, 'success': result.success, 'notes': ''} for result in py_file.equivalence_results)
evaluation_results_stream.close()
elapsed_time = datetime.now() - start_time
with open(out_dir / 'elapsed_time.txt', 'w') as time_file:
time_file.write(f"Elapsed Time: {str(elapsed_time)}\n")
time_file.write(f"File success: {total_files_succeeded}/{total_files_attempted} {total_files_succeeded/total_files_attempted :.2%}")
if __name__ == "__main__":
main()