def self.json_create(o)
cookbook_version = new(o["cookbook_name"])
if o.has_key?('_rev')
cookbook_version.couchdb_rev = o["_rev"] if o.has_key?("_rev")
o.delete("_rev")
end
if o.has_key?("_id")
cookbook_version.couchdb_id = o["_id"] if o.has_key?("_id")
cookbook_version.index_id = cookbook_version.couchdb_id
o.delete("_id")
end
cookbook_version.metadata = Chef::Cookbook::Metadata.from_hash(o["metadata"])
cookbook_version.manifest = o
cookbook_version.manifest["metadata"] = JSON.parse(cookbook_version.metadata.to_json)
cookbook_version.freeze_version if o["frozen?"]
cookbook_version
end