}_2 @sddlmZddlZddlmZmZmZddlmZddl m Z m Z m Z dZ dddgZGd d d eZGd d d eZdS) )absolute_importN) HashMismatch HashMissingInstallationError) read_chunks) iteritemsiterkeys itervaluessha256sha384sha512c@smeZdZdZdddZddZddZd d Zd d Zd dZ ddZ dS)HasheszaA wrapper that builds multiple hashes at once and checks them against known-good values NcCs|dkrin||_dS)zo :param hashes: A dict of algorithm names pointing to lists of allowed hex digests N)_allowed)selfhashesr//tmp/pip-build-3_sjtvrs/pip/pip/utils/hashes.py__init__szHashes.__init__c Csi}xYt|jD]H}ytj|||s :