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−# pushkey.py - dispatching for pushing and pulling keys
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−#
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−# Copyright 2010 Matt Mackall <mpm@selenic.com>
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−#
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−# This software may be used and distributed according to the terms of the
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−# GNU General Public License version 2 or any later version.
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−
+
−def _nslist(repo):
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−    n = {}
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−    for k in _namespaces:
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−        n[k] = ""
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−    return n
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−
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−_namespaces = {"namespaces": (lambda *x: False, _nslist)}
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−
+
−def register(namespace, pushkey, listkeys):
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−    _namespaces[namespace] = (pushkey, listkeys)
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−
+
−def _get(namespace):
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−    return _namespaces.get(namespace, (lambda *x: False, lambda *x: {}))
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−
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−def push(repo, namespace, key, old, new):
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−    '''should succeed iff value was old'''
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−    pk = _get(namespace)[0]
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−    return pk(repo, key, old, new)
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−
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−def list(repo, namespace):
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−    '''return a dict'''
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−    lk = _get(namespace)[1]
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−    return lk(repo)
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−