code2vec/JavaExtractor/extract.py at master · tech-srl/code2vec · GitHub

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#!/usr/bin/python

import itertools

import multiprocessing

import os

import shutil

import subprocess

from threading import Timer

from argparse import ArgumentParser

def get_immediate_subdirectories(a_dir):

return [(os.path.join(a_dir, name)) for name in os.listdir(a_dir)

if os.path.isdir(os.path.join(a_dir, name))]

def ParallelExtractDir(args, tmpdir, dir_):

ExtractFeaturesForDir(args, tmpdir, dir_, "")

def ExtractFeaturesForDir(args, tmpdir, dir_, prefix):

command = ['java', '-cp', args.jar, 'JavaExtractor.App',

'--max_path_length', str(args.max_path_length), '--max_path_width', str(args.max_path_width),

'--dir', dir_, '--num_threads', str(args.num_threads)]

kill = lambda process: process.kill()

outputFileName = tmpdir + prefix + dir_.split('/')[-1]

failed = False

with open(outputFileName, 'a') as outputFile:

sleeper = subprocess.Popen(command, stdout=outputFile, stderr=subprocess.PIPE,)

timer = Timer(600000, kill, [sleeper])

try:

timer.start()

stdout, stderr = sleeper.communicate()

finally:

timer.cancel()

if sleeper.poll() != 0:

failed = True

subdirs = get_immediate_subdirectories(dir_)

for subdir in subdirs:

ExtractFeaturesForDir(args, subdir, prefix + dir_.split('/')[-1] + '_')

if failed and os.path.exists(outputFileName):

os.remove(outputFileName)

def ExtractFeaturesForDirsList(args, dirs):

tmp_dir = f"./tmp/feature_extractor{os.getpid()}/"

if os.path.exists(tmp_dir):

shutil.rmtree(tmp_dir, ignore_errors=True)

os.makedirs(tmp_dir)

for i in range(0, len(dirs), args.batch_size):

batch_dirs = dirs[i:i + args.batch_size]

timeout_seconds = 60 # timeout setting

try:

with multiprocessing.Pool(4) as p:

result = p.starmap_async(ParallelExtractDir, zip(itertools.repeat(args), itertools.repeat(tmp_dir), batch_dirs))

result.get(timeout=timeout_seconds)

except multiprocessing.TimeoutError:

continue

output_files = os.listdir(tmp_dir)

for f in output_files:

os.system("cat %s/%s" % (tmp_dir, f))

os.remove(os.path.join(tmp_dir, f))

if __name__ == '__main__':

parser = ArgumentParser()

parser.add_argument("-maxlen", "--max_path_length", dest="max_path_length", required=False, default=8)

parser.add_argument("-maxwidth", "--max_path_width", dest="max_path_width", required=False, default=2)

parser.add_argument("-threads", "--num_threads", dest="num_threads", required=False, default=64)

parser.add_argument("-j", "--jar", dest="jar", required=True)

parser.add_argument("-dir", "--dir", dest="dir", required=False)

parser.add_argument("-file", "--file", dest="file", required=False)

# add a new parameter batch_size

parser.add_argument("-batch_size", "--batch_size", dest="batch_size", required=False, default=3, type=int)

args = parser.parse_args()

if args.file is not None:

command = 'java -cp ' + args.jar + ' JavaExtractor.App --max_path_length ' + \

str(args.max_path_length) + ' --max_path_width ' + str(args.max_path_width) + ' --file ' + args.file

os.system(command)

elif args.dir is not None:

subdirs = get_immediate_subdirectories(args.dir)

to_extract = subdirs if subdirs else [args.dir.rstrip('/')]

ExtractFeaturesForDirsList(args, to_extract)

code2vec/JavaExtractor/extract.py at master · tech-srl/code2vec · GitHub

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