On Thu, Oct 31, 2002 at 11:33:01AM +1100, Jonathan M. Lange wrote: With reference to twisted.enterprise.reflector not making a Deferred available on construction, despite it being an asynchronous operation...
Suggestions include having a populatedDeferred as a member (rather than populatedCallback)
I've been having troubles with my mail recently. In case this did not come through, here is the patch again. Comments appreciated. Commits even more so. Index: twisted/enterprise/reflector.py =================================================================== RCS file: /cvs/Twisted/twisted/enterprise/reflector.py,v retrieving revision 1.9 diff -u -r1.9 reflector.py --- twisted/enterprise/reflector.py 16 Oct 2002 04:27:29 -0000 1.9 +++ twisted/enterprise/reflector.py 31 Oct 2002 00:57:59 -0000 @@ -20,6 +20,7 @@ from twisted.enterprise import adbapi from twisted.enterprise.util import DBError, getKeyColumn, quote, _TableInfo, _TableRelationship from twisted.enterprise.row import RowObject +from twisted.internet import defer class Reflector: """Base class for enterprise reflectors. This implements rowCacheing. @@ -61,6 +62,7 @@ from twisted.internet import reactor reactor.callLater(0, self._really_populate) + self.populatedDeferred = defer.Deferred() def _really_populate(self): """Implement me to populate schema information for the reflector. Index: twisted/enterprise/sqlreflector.py =================================================================== RCS file: /cvs/Twisted/twisted/enterprise/sqlreflector.py,v retrieving revision 1.10 diff -u -r1.10 sqlreflector.py --- twisted/enterprise/sqlreflector.py 14 Oct 2002 22:34:21 -0000 1.10 +++ twisted/enterprise/sqlreflector.py 31 Oct 2002 00:58:00 -0000 @@ -49,6 +49,7 @@ defe = self.runInteraction(self._transPopulateSchema) if self.populatedCallback: defe.addCallbacks(self.populatedCallback) + defe.chainDeferred(self.populatedDeferred) def _transPopulateSchema(self, transaction): """Used to construct the row classes in a single interaction.