U
    .Èco	  ã                   @   s„   d dl mZ d dlZd dlZd dlZd dlmZ d dlZd dlmZ ddl	m
Z
 e d¡d Zd	d
„ Zdd„ Zdd„ Zddd„ZdS )é    )Úabsolute_importN)ÚBytesIO)Úbé   )ÚRequestFieldzutf-8é   c                  C   s$   t  t d¡¡} tjs |  d¡} | S )zN
    Our embarrassingly-simple replacement for mimetools.choose_boundary.
    é   Úascii)ÚbinasciiZhexlifyÚosÚurandomÚsixZPY2Údecode)Úboundary© r   ú2/usr/lib/python3/dist-packages/urllib3/filepost.pyÚchoose_boundary   s    
r   c                 c   sJ   t | tƒrt | ¡}nt| ƒ}|D ]"}t |tƒr8|V  q"tj|Ž V  q"dS )z†
    Iterate over fields.

    Supports list of (k, v) tuples and dicts, and lists of
    :class:`~urllib3.fields.RequestField`.

    N)Ú
isinstanceÚdictr   Ú	iteritemsÚiterr   Zfrom_tuples)ÚfieldsÚiÚfieldr   r   r   Úiter_field_objects   s    

r   c                 C   s,   t | tƒrdd„ t | ¡D ƒS dd„ | D ƒS )a-  
    .. deprecated:: 1.6

    Iterate over fields.

    The addition of :class:`~urllib3.fields.RequestField` makes this function
    obsolete. Instead, use :func:`iter_field_objects`, which returns
    :class:`~urllib3.fields.RequestField` objects.

    Supports list of (k, v) tuples and dicts.
    c                 s   s   | ]\}}||fV  qd S ©Nr   ©Ú.0ÚkÚvr   r   r   Ú	<genexpr>:   s     ziter_fields.<locals>.<genexpr>c                 s   s   | ]\}}||fV  qd S r   r   r   r   r   r   r    <   s     )r   r   r   r   )r   r   r   r   Úiter_fields-   s    
r!   c                 C   s¸   t ƒ }|dkrtƒ }t| ƒD ]p}| td| ƒ¡ t|ƒ | ¡ ¡ |j}t|t	ƒr\t
|ƒ}t|tjƒrxt|ƒ |¡ n
| |¡ | d¡ q| td| ƒ¡ t
d| ƒ}| ¡ |fS )aQ  
    Encode a dictionary of ``fields`` using the multipart/form-data MIME format.

    :param fields:
        Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`).

    :param boundary:
        If not specified, then a random boundary will be generated using
        :func:`urllib3.filepost.choose_boundary`.
    Nz--%s
s   
z--%s--
z multipart/form-data; boundary=%s)r   r   r   Úwriter   ÚwriterZrender_headersÚdatar   ÚintÚstrr   Z	text_typeÚgetvalue)r   r   Zbodyr   r$   Zcontent_typer   r   r   Úencode_multipart_formdata?   s     

r(   )N)Z
__future__r   r
   Úcodecsr   Úior   r   r   r   r   Úlookupr#   r   r   r!   r(   r   r   r   r   Ú<module>   s   
