compile_File

# Not all import used
from __future__ import absolute_import

from celery import shared_task, current_task
from apps.common.util import kill_process
from django.conf import settings
from django.core.files.base import ContentFile
from django.core.files.storage import default_storage

import subprocess as sub
import os

def compile_file(username, title, code):
    directory = "submissions/%s" % username
    file_dir = "%s/%s.java" % (directory, title)
    class_dir = "%s/%s.class" % (directory, title)
    #path = default_storage.save(file_dir, ContentFile(code))

    if not os.path.exists(directory):
        try:
            os.makedirs(directory)
        except OSError as exception:
            print "Exception creating dir: " + exception.strerror

    path = default_storage.save(file_dir, ContentFile(code))

    command = [
        'javac',
        str('%s/%s' % (settings.MEDIA_ROOT, path))
    ]
    #result = sub.Popen(
    #    command, stdout=sub.PIPE, stderr=sub.STDOUT).stdout.read()

    result = kill_process.RunCmd(command, 60).Run().stdout.read()

    # result is none when timeout occurs
    if result is None:
        return "Time out"

    if (result != ''):
        try:
            default_storage.delete(path)
            default_storage.delete(class_dir)
        except:
            pass

        start_index = result.find("error:")
        result = result[start_index:]
        return result

    # current_task.request.hostname
    return result