def _read_magic(file_handle):
    ' Utility to check the magic signature of a file identifying it as a\n        Zfile\n    '
    magic = file_handle.read(len(_ZFILE_PREFIX))
    file_handle.seek(0)
    return magic
Utility to check the magic signature of a file identifying it as a
Zfile
def _read_magic(file_handle):
    ' Utility to check the magic signature of a file identifying it as a\n        Zfile\n    '
    magic = file_handle.read(len(_ZFILE_PREFIX))
    file_handle.seek(0)
    return magic