import base64

  import calendar

  import datetime

  import fcntl

  import fnmatch

  import functools

          fn = get_upload_path(path, name, create=True, volume=volume)

          try:

              st = os.lstat(fn)

          else:

              if not stat.S_ISREG(st.st_mode):

                  raise koji.GenericError("destination not a file: %s" % fn)

          data = {}

          try:

              fd = os.open(fn, os.O_RDONLY)

          try:

              try:

                  fcntl.lockf(fd, fcntl.LOCK_SH | fcntl.LOCK_NB)