Mercurial > libervia-pubsub
changeset 20:eddea65d1032
Added two exceptions: NoInstantNodes and NodeExists.
Renamed 'name' attribute of Node to 'id'.
Added create_node() method.
author | Ralph Meijer <ralphm@ik.nu> |
---|---|
date | Wed, 06 Oct 2004 21:05:42 +0000 |
parents | 53b1bea9289b |
children | e01bbbfa8a46 |
files | idavoll/backend.py |
diffstat | 1 files changed, 27 insertions(+), 4 deletions(-) [+] |
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line diff
--- a/idavoll/backend.py Wed Oct 06 21:01:13 2004 +0000 +++ b/idavoll/backend.py Wed Oct 06 21:05:42 2004 +0000 @@ -31,6 +31,12 @@ def __init__(self, msg = 'No payload allowed'): BackendException.__init__(self, msg) +class NoInstantNodes(BackendException): + pass + +class NodeExists(BackendException): + pass + class Subscription: def __init__(self, state): self.state = state @@ -41,8 +47,8 @@ self.deliver_payloads = False class Node: - def __init__(self, name): - self.name = name + def __init__(self, id): + self.id = id self.configuration = NodeConfiguration() self.subscriptions = {} self.affiliations = {} @@ -62,7 +68,7 @@ node.affiliations["ralphm@doe.ik.nu"] = "publisher" node.configuration.persist_items = True node.configuration.deliver_payloads = True - self.nodes[node.name] = node + self.nodes[node.id] = node def do_publish(self, node_id, publisher, items): try: @@ -89,7 +95,7 @@ if persist_items or deliver_payloads: for item in items: if item["id"] is None: - item["id"] = 'random' + item["id"] = 'random' # FIXME if persist_items: self.storeItems(node_id, publisher, items) @@ -167,3 +173,20 @@ self.nodes[node_id].items[item["id"]] = item print self.nodes[node_id].items + + def create_node(node_id, owner): + result = {} + + try: + if not node_id: + raise NoInstantNodes + + if node_id in self.nodes: + raise NodeExists + + self.nodes[node_id] = Node(node_id) + node.affiliations[owner.full()] = 'owner' + return defer.succeed({'node_id': node.id}) + except: + return defer.fail(failure.Failure) +