import traceback
import zipfile
import urllib
from shutil import rmtree
from utils import web2py_uuid
from fileutils import w2p_pack, w2p_unpack, w2p_pack_plugin, w2p_unpack_plugin
from fileutils import up, fix_newlines, abspath, recursive_unlink
from fileutils import read_file, write_file, parse_version
from restricted import RestrictedError
from settings import global_settings

def apath(path='', r=None):
    """
    Builds a path inside an application folder

        `True` if upgrade available, `False` if current version if up-to-date,
        -1 on error
    version:
        the most up-to-version available
    """
    try:
        from urllib import urlopen
        version = parse_version(urlopen(version_URL).read())
    except Exception:
        return -1, myversion

    if version > myversion:
        return True, version
    else:
        return False, version

            for subfolder in ('models', 'views', 'controllers', 'databases',
                              'modules', 'cron', 'errors', 'sessions',
                              'languages', 'static', 'private', 'uploads'):
                path =  os.path.join(request.folder, subfolder)
                if not os.path.exists(path):
                    os.mkdir(path)
            global_settings.app_folders.add(request.folder)