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zMultipartWriter.append)r r8 c C s� |j �td��� }|r,|dkr,td|� ���|dkr8d}|j �td��� }|dkr`td�|���|dkrld}|j}|dk r�|s�|s�t|�|j t < | j
� |||f� |S ) z)Adds a new body part to multipart writer.rN )r� r� r� r� r� N)rN r� r� r� r� r� ) r� r� r r` r� r rd r� rX r r rv )r{ r rj � te_encodingr� r5 r5 r6 r " s. � ��z MultipartWriter.append_payloadc C s |dkrt � }| �t||d��S )zHelper to append JSON part.Nr )r r r! )r{ r� r� r5 r5 r6 � append_jsonB s zMultipartWriter.append_jsonc C sV t |ttf�st�|dkr t� }t |t�r6t|�� �}t|dd�}| �t ||dd��S )z&Helper to append form urlencoded part.NT)Zdoseqz!application/x-www-form-urlencoded)r� r )
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