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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 _upload(self, obj_name, content, content_type, content_encoding, content_length, etag, chunked, chunk_size, headers):
 """ Handles the uploading of content, including working around the 5GB maximum file size. """

        if content_type is not None:
            headers["Content-Type"] = content_type
        if content_encoding is not None:
            headers["Content-Encoding"] = content_encoding
        if isinstance(content, six.string_types):
            fsize = len(content)
        else:
            if chunked:
                fsize = None
            elif content_length is None:
                fsize = get_file_size(content)
            else:
                fsize = content_length
        if fsize is None or fsize <= MAX_FILE_SIZE:
            # We can just upload it as-is.
            return self._store_object(obj_name, content=content, etag=etag,
                    chunked=chunked, chunk_size=chunk_size, headers=headers)
        # Files larger than MAX_FILE_SIZE must be segmented
        # and uploaded separately.
        num_segments = int(math.ceil(float(fsize) / MAX_FILE_SIZE))
        digits = int(math.log10(num_segments)) + 1
        # NOTE: This could be greatly improved with threading or other
        # async design.
        for segment in range(num_segments):
            sequence = str(segment + 1).zfill(digits)
            seg_name = "%s.%s" % (obj_name, sequence)
            with utils.SelfDeletingTempfile() as tmpname:
                with open(tmpname, "wb") as tmp:
                    tmp.write(content.read(MAX_FILE_SIZE))
                with open(tmpname, "rb") as tmp:
                    # We have to calculate the etag for each segment
                    etag = utils.get_checksum(tmp)
                    self._store_object(seg_name, content=tmp, etag=etag,
                            chunked=False, headers=headers)
        # Upload the manifest
        headers.pop("ETag", "")
        headers["X-Object-Manifest"] = "%s/%s." % (self.name, obj_name)
        self._store_object(obj_name, content=None, headers=headers)