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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ParseFileObject(self, parser_mediator, file_object):
 """Parses a BSM file-like object. Args: parser_mediator (ParserMediator):
 mediates interactions between parsers and other components, such as storage and dfvfs. file_object (dfvfs.FileIO):
 a file-like object. Raises: UnableToParseFile: when the file cannot be parsed. """

    file_offset = file_object.get_offset()
    file_size = file_object.get_size()
    while file_offset < file_size:
      try:
        self._ParseRecord(parser_mediator, file_object)
      except errors.ParseError as exception:
        if file_offset == 0:
          raise errors.UnableToParseFile(
              'Unable to parse first event record with error: {0!s}'.format(
                  exception))

        # TODO: skip to next event record.

      file_offset = file_object.get_offset()