3
�Pf � @ s� d dl mZ d dlZd dlmZ d dlmZ ddlmZ ddl m
Z
ddl m Z ej
d �d
Zd d � Zd
d� Zdd� Zddd�ZdS )� )�absolute_importN)�uuid4)�BytesIO� )�six)�b)� RequestFieldzutf-8� c C s t � jS )zN
Our embarrassingly-simple replacement for mimetools.choose_boundary.
)r �hex� r r � /usr/lib/python3.6/filepost.py�choose_boundary s r
c c sN t | t�rtj| �}nt| �}x*|D ]"}t |t�r:|V q$tj|� V q$W dS )z�
Iterate over fields.
Supports list of (k, v) tuples and dicts, and lists of
:class:`~urllib3.fields.RequestField`.
N)�
isinstance�dictr � iteritems�iterr Z from_tuples)�fields�i�fieldr r r �iter_field_objects s
r c C s, t | t�r dd� tj| �D �S dd� | D �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 | ]\}}||fV qd S )Nr )�.0�k�vr r r � 6 s z iter_fields..c s s | ]\}}||fV qd S )Nr )r r r r r r r 8 s )r r r r )r r r r � iter_fields) s
r c C s� t � }|dkrt� }x|t| �D ]p}|jtd| �� t|�j|j� � |j}t|t �r^t
|�}t|t j �rzt|�j|� n
|j|� |jd� q W |jtd| �� t
d| �}|j
� |fS )aJ
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:`mimetools.choose_boundary`.
Nz--%s
s
z--%s--
z multipart/form-data; boundary=%s)r r
r �writer �writerZrender_headers�datar �int�strr Z text_type�getvalue)r �boundaryZbodyr r Z content_typer r r �encode_multipart_formdata; s
r" )N)Z
__future__r �codecsZuuidr �ior Zpackagesr Z packages.sixr r r �lookupr r
r r r" r r r r � s