Fixed #8455: a lack of permissions in `MEDIA_ROOT` no longer causes an...

import os

import errno

import urlparse

from django.conf import settings

                    finally:

                        locks.unlock(fd)

                        os.close(fd)

            except OSError:

                # Ooops, we need a new file name.

            except OSError, e:

                if e.errno == errno.EEXIST:

                    # Ooops, the file exists. We need a new file name.

                    name = self.get_available_name(name)

                    full_path = self.path(name)

                else:

                    raise

            else:

                # OK, the file save worked. Break out of the loop.

                break