Commit 7a473f11 authored by Tim Peters's avatar Tim Peters

Port rev 29092 from 3.3 branch.

Forward port from ZODB 3.2.

Connection.__init__():  Python 2.4 added a new gimmick to asyncore (a
._map attribute on asyncore.dispatcher instances) that breaks the
delicate ZEO startup dance.  Repaired that.
parent 3ebdc9a2
......@@ -265,6 +265,17 @@ class Connection(smac.SizedMessageAsyncConnection, object):
# Now it's safe to register with asyncore's socket map; it was not
# safe before message_input was replaced, or before handshake() was
# invoked.
# Obscure: in Python 2.4, the base asyncore.dispatcher class grew
# a ._map attribute, which is used instead of asyncore's global
# socket map when ._map isn't None. Because we passed `ourmap` to
# the base class constructor above, in 2.4 asyncore believes we want
# to use `ourmap` instead of the global socket map -- but we don't.
# So we have to replace our ._map with the global socket map, and
# update the global socket map with `ourmap`. Replacing our ._map
# isn't necessary before Python 2.4, but doesn't hurt then (it just
# gives us an unused attribute in 2.3); updating the global socket
# map is necessary regardless of Python version.
self._map = asyncore.socket_map
asyncore.socket_map.update(ourmap)
def __repr__(self):
......
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