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Dt�Z� � @ s< d Z ddlZddlZddlmZmZmZ G dd� de�Z dS )a Store and retrieve wheel signing / verifying keys.
Given a scope (a package name, + meaning "all packages", or - meaning
"no packages"), return a list of verifying keys that are trusted for that
scope.
Given a package name, return a list of (scope, key) suggested keys to sign
that package (only the verifying keys; the private signing key is stored
elsewhere).
Keys here are represented as urlsafe_b64encoded strings with no padding.
Tentative command line interface:
# list trusts
wheel trust
# trust a particular key for all
wheel trust + key
# trust key for beaglevote
wheel trust beaglevote key
# stop trusting a key for all
wheel untrust + key
# generate a key pair
wheel keygen
# import a signing key from a file
wheel import keyfile
# export a signing key
wheel export key
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