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<title>[14228] twext/trunk/twext/who/opendirectory/_service.py</title>
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<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/14228">14228</a></dd>
<dt>Author</dt> <dd>sagen@apple.com</dd>
<dt>Date</dt> <dd>2014-12-17 12:06:03 -0800 (Wed, 17 Dec 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Refactor recordWithShortName for more code reuse, and temporarily turn off deferToThread while we investigate why the threadpool backs up.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#twexttrunktwextwhoopendirectory_servicepy">twext/trunk/twext/who/opendirectory/_service.py</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="twexttrunktwextwhoopendirectory_servicepy"></a>
<div class="modfile"><h4>Modified: twext/trunk/twext/who/opendirectory/_service.py (14227 => 14228)</h4>
<pre class="diff"><span>
<span class="info">--- twext/trunk/twext/who/opendirectory/_service.py        2014-12-12 21:25:23 UTC (rev 14227)
+++ twext/trunk/twext/who/opendirectory/_service.py        2014-12-17 20:06:03 UTC (rev 14228)
</span><span class="lines">@@ -46,7 +46,7 @@
</span><span class="cx">     MatchExpression, MatchFlags,
</span><span class="cx"> )
</span><span class="cx"> from ..ldap._util import LDAP_QUOTING_TABLE
</span><del>-from ..util import ConstantsContainer, firstResult
</del><ins>+from ..util import ConstantsContainer, firstResult, uniqueResult
</ins><span class="cx"> 
</span><span class="cx"> from Foundation import NSAutoreleasePool
</span><span class="cx"> from ._odframework import ODSession, ODNode, ODQuery
</span><span class="lines">@@ -55,7 +55,7 @@
</span><span class="cx">     ODSearchPath, ODRecordType, ODAttribute, ODMatchType, ODAuthMethod,
</span><span class="cx"> )
</span><span class="cx"> 
</span><del>-DEFER_TO_THREAD = True
</del><ins>+DEFER_TO_THREAD = False
</ins><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="lines">@@ -805,7 +805,9 @@
</span><span class="cx">     ):
</span><span class="cx">         self._maybeResetPool()
</span><span class="cx"> 
</span><ins>+
</ins><span class="cx">         if isinstance(expression, MatchExpression):
</span><ins>+            self.log.debug(&quot;OD call: {}&quot;.format(expression))
</ins><span class="cx">             try:
</span><span class="cx">                 query = self._queryFromMatchExpression(
</span><span class="cx">                     expression,
</span><span class="lines">@@ -844,6 +846,7 @@
</span><span class="cx">         self._maybeResetPool()
</span><span class="cx"> 
</span><span class="cx">         try:
</span><ins>+            self.log.debug(&quot;OD call: {}&quot;.format(expression))
</ins><span class="cx">             query = self._queryFromCompoundExpression(
</span><span class="cx">                 expression, recordTypes=recordTypes, limitResults=limitResults
</span><span class="cx">             )
</span><span class="lines">@@ -983,40 +986,27 @@
</span><span class="cx"> 
</span><span class="cx">     @inlineCallbacks
</span><span class="cx">     def recordWithShortName(self, recordType, shortName, timeoutSeconds=None):
</span><del>-        self._maybeResetPool()
</del><span class="cx"> 
</span><ins>+        records = yield self.recordsFromNonCompoundExpression(
+            MatchExpression(self.fieldName.shortNames, shortName),
+            recordTypes=(recordType,),
+            limitResults=1
+        )
+
</ins><span class="cx">         try:
</span><del>-            query = self._queryFromMatchExpression(
-                MatchExpression(self.fieldName.shortNames, shortName),
-                recordTypes=(recordType,),
-                limitResults=1
</del><ins>+            record = uniqueResult(records)
+        except DirectoryServiceError:
+            self.log.error(
+                &quot;Duplicate records for name: {name} ({recordType})&quot;
+                .format(name=shortName, recordType=recordType.name)
</ins><span class="cx">             )
</span><del>-            results = yield self._recordsFromQuery(
-                query,
-                timeoutSeconds=timeoutSeconds
-            )
</del><ins>+            raise
</ins><span class="cx"> 
</span><del>-            try:
-                record = firstResult(results)
-            except DirectoryServiceError:
-                self.log.error(
-                    &quot;Duplicate records for name: {name} ({recordType})&quot;
-                    .format(name=shortName, recordType=recordType.name)
-                )
-                raise
</del><ins>+        returnValue(record)
</ins><span class="cx"> 
</span><del>-            returnValue(record)
</del><span class="cx"> 
</span><del>-        except QueryNotSupportedError:
-            # Let the superclass try
-            returnValue((yield BaseDirectoryService.recordWithShortName(
-                self, recordType, shortName, timeoutSeconds=timeoutSeconds)))
</del><span class="cx"> 
</span><del>-        except UnsupportedRecordTypeError:
-            returnValue(None)
</del><span class="cx"> 
</span><del>-
-
</del><span class="cx"> @implementer(IPlaintextPasswordVerifier, IHTTPDigestVerifier)
</span><span class="cx"> class DirectoryRecord(BaseDirectoryRecord):
</span><span class="cx">     &quot;&quot;&quot;
</span></span></pre>
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