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<title>[12499] twext/trunk/twext/who/xml.py</title>
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<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/12499">12499</a></dd>
<dt>Author</dt> <dd>wsanchez@apple.com</dd>
<dt>Date</dt> <dd>2014-01-30 19:47:26 -0800 (Thu, 30 Jan 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Handle boolean values.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#twexttrunktwextwhoxmlpy">twext/trunk/twext/who/xml.py</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="twexttrunktwextwhoxmlpy"></a>
<div class="modfile"><h4>Modified: twext/trunk/twext/who/xml.py (12498 => 12499)</h4>
<pre class="diff"><span>
<span class="info">--- twext/trunk/twext/who/xml.py 2014-01-31 02:00:15 UTC (rev 12498)
+++ twext/trunk/twext/who/xml.py 2014-01-31 03:47:26 UTC (rev 12499)
</span><span class="lines">@@ -35,7 +35,7 @@
</span><span class="cx"> tostring as etreeToString, Element as XMLElement,
</span><span class="cx"> )
</span><span class="cx">
</span><del>-from twisted.python.constants import Values, ValueConstant
</del><ins>+from twisted.python.constants import NamedConstant, Values, ValueConstant
</ins><span class="cx"> from twisted.internet.defer import fail
</span><span class="cx">
</span><span class="cx"> from .idirectory import (
</span><span class="lines">@@ -72,6 +72,13 @@
</span><span class="cx"> XML element names.
</span><span class="cx"> """
</span><span class="cx">
</span><ins>+ # Booleans
+
+ true = ValueConstant(u"true")
+ false = ValueConstant(u"false")
+
+ # Schema hierarchy
+
</ins><span class="cx"> directory = ValueConstant(u"directory")
</span><span class="cx"> record = ValueConstant(u"record")
</span><span class="cx">
</span><span class="lines">@@ -319,17 +326,40 @@
</span><span class="cx"> unknownFieldElements.add(fieldNode.tag)
</span><span class="cx"> continue
</span><span class="cx">
</span><del>- vType = self.fieldName.valueType(fieldName)
</del><ins>+ valueType = self.fieldName.valueType(fieldName)
</ins><span class="cx">
</span><del>- if vType in (unicode, UUID):
- value = vType(fieldNode.text)
</del><ins>+ if valueType in (unicode, UUID):
+ value = valueType(fieldNode.text)
+
+ elif valueType is bool:
+ boolElement = self._constantElement(fieldNode)
+
+ if boolElement is Element.true:
+ value = True
+
+ elif boolElement is Element.false:
+ value = False
+
+ else:
+ raise ParseError(
+ "Child element {0} of element {0} is not a boolean."
+ .format(boolElement.value, fieldNode.tag)
+ )
+
+ print(value)
+
+ elif valueType is NamedConstant:
+ raise NotImplementedError("named constant")
+
</ins><span class="cx"> else:
</span><span class="cx"> raise AssertionError(
</span><span class="cx"> "Unknown value type {0} for field {1}".format(
</span><del>- vType, fieldName
</del><ins>+ valueType, fieldName
</ins><span class="cx"> )
</span><span class="cx"> )
</span><span class="cx">
</span><ins>+ assert value is not None
+
</ins><span class="cx"> if self.fieldName.isMultiValue(fieldName):
</span><span class="cx"> values = fields.setdefault(fieldName, [])
</span><span class="cx"> values.append(value)
</span><span class="lines">@@ -347,6 +377,47 @@
</span><span class="cx"> return uidNode.text
</span><span class="cx">
</span><span class="cx">
</span><ins>+ def _constantElement(self, node):
+ """
+ Find the name of the single empty node in a given node.
+
+ @param node: a node
+ @type node: L{XMLElement}
+
+ @return: L{unicode}
+ """
+ child = None
+
+ for c in node:
+ if child is not None:
+ raise ParseError(
+ "Element {0} may only have a single child element, "
+ "not: {1}"
+ .format(node.tag, [c.tag for c in node])
+ )
+ child = c
+
+ if child is None:
+ raise ParseError(
+ "Element {0} must contain a single empty child element."
+ )
+
+ if child.text:
+ raise ParseError(
+ "Child element {0} of element {1} may not have text: {2!r}"
+ .format(child.tag, node.tag, child.text)
+ )
+
+ try:
+ return self.element.lookupByValue(child.tag)
+ except ValueError:
+ raise ParseError(
+ "Unknown child element {0} of element {1}."
+ .format(child.tag, node.tag)
+ )
+
+
+
</ins><span class="cx"> def flush(self):
</span><span class="cx"> BaseDirectoryService.flush(self)
</span><span class="cx">
</span></span></pre>
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