o &zh(% @sdZddlZddlZzddlmZddlmZddlmZWney9ddlmZddlmZddlmZYnwzddl m Z ddlm Z Wn%eymzddl m Z ddlm Z Wn eyjdZ dZ YnwYnwej dkrvdZnzdd lmZWneydd lmZYnwej d krdZnzdd lmZWneydd lmZYnwejd kZerdd lmZmZddlZddlmZmZndd lmZmZddlZddl mZddl!mZze"Z"Wn e#ye$e%fZ"YnwGdddeZ&dZ'dS)zPrivate module full of compatibility hacks. Primarily this is for downstream redistributions of requests that unvendor urllib3 without providing a shim. .. warning:: This module is private. If you use it, and something breaks, you were warned N)fields)filepost) poolmanager)HTTPConnection) connectioni)timeouti) appengine)r)MappingMutableMapping) urlencodeurljoin)r )r cseZdZdZd-fdd ZddZddZd d Zd d Zd dZ ddZ e s-e j Z e jZeZddZddZefddZddZddZddZddZeZeZeZdd Zd!d"Zd#d$Zd%d&Zd'd(Zd)d*Z e!d+d,Z"Z#S).HTTPHeaderDictap :param headers: An iterable of field-value pairs. Must not contain multiple field names when compared case-insensitively. :param kwargs: Additional field-value pairs to pass in to ``dict.update``. 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