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<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/12389">12389</a></dd>
<dt>Author</dt> <dd>wsanchez@apple.com</dd>
<dt>Date</dt> <dd>2014-01-17 15:28:30 -0800 (Fri, 17 Jan 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add MappingProxyType.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#twexttrunktwextwholdap_servicepy">twext/trunk/twext/who/ldap/_service.py</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#twexttrunktwextpythontypespy">twext/trunk/twext/python/types.py</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="twexttrunktwextpythontypespy"></a>
<div class="addfile"><h4>Added: twext/trunk/twext/python/types.py (0 => 12389)</h4>
<pre class="diff"><span>
<span class="info">--- twext/trunk/twext/python/types.py (rev 0)
+++ twext/trunk/twext/python/types.py 2014-01-17 23:28:30 UTC (rev 12389)
</span><span class="lines">@@ -0,0 +1,110 @@
</span><ins>+##
+# Copyright (c) 2011-2014 Apple Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+##
+
+"""
+Utilities related to types.
+"""
+
+__all__ = [
+ "MappingProxyType",
+]
+
+
+
+class MappingProxyType(object):
+ """
+ Read-only proxy of a mapping. It provides a dynamic view on the mapping's
+ entries, which means that when the mapping changes, the view reflects these
+ changes.
+
+ Backport of Python 3's L{types.MappingProxyType
+ <http://docs.python.org/dev/library/types.html#types.MappingProxyType>}.
+ """
+
+ def __init__(self, mapping):
+ """
+ @param mapping: A mapping to wrap.
+ @type mapping: mapping
+ """
+ self._mapping = mapping
+
+
+ def __len__(self):
+ return len(self._mapping)
+
+
+ def __getitem__(self, key):
+ return self._mapping[key]
+
+
+ def __iter__(self):
+ return iter(self._mapping)
+
+
+ def __reversed__(self):
+ return reversed(self._mapping)
+
+
+ def __contains__(self, key):
+ return key in self._mapping
+
+
+ def copy(self):
+ return self._mapping.copy()
+
+
+ def get(self, key, default=None):
+ return self._mapping.get(key, default)
+
+
+ def has_key(self, key):
+ return key in self._mapping
+
+
+ def items(self):
+ return self._mapping.items()
+
+
+ def iteritems(self):
+ return self._mapping.iteritems()
+
+
+ def iterkeys(self):
+ return self._mapping.iterkeys()
+
+
+ def itervalues(self):
+ return self._mapping.itervalues()
+
+
+ def keys(self):
+ return self._mapping.keys()
+
+
+ def values(self):
+ return self._mapping.values()
+
+
+ def viewitems(self):
+ return self._mapping.viewitems()
+
+
+ def viewkeys(self):
+ return self._mapping.viewkeys()
+
+
+ def viewvalues(self):
+ return self._mapping.viewvalues()
</ins></span></pre></div>
<a id="twexttrunktwextwholdap_servicepy"></a>
<div class="modfile"><h4>Modified: twext/trunk/twext/who/ldap/_service.py (12388 => 12389)</h4>
<pre class="diff"><span>
<span class="info">--- twext/trunk/twext/who/ldap/_service.py 2014-01-17 23:28:18 UTC (rev 12388)
+++ twext/trunk/twext/who/ldap/_service.py 2014-01-17 23:28:30 UTC (rev 12389)
</span><span class="lines">@@ -30,6 +30,7 @@
</span><span class="cx"> from twisted.cred.credentials import IUsernamePassword
</span><span class="cx">
</span><span class="cx"> from twext.python.log import Logger
</span><ins>+from twext.python.types import MappingProxyType
</ins><span class="cx">
</span><span class="cx"> from ..idirectory import (
</span><span class="cx"> DirectoryServiceError, DirectoryAvailabilityError,
</span><span class="lines">@@ -50,21 +51,21 @@
</span><span class="cx">
</span><span class="cx">
</span><span class="cx"> # Maps field name -> LDAP attribute names
</span><del>-DEFAULT_FIELDNAME_ATTRIBUTE_MAP = {
</del><ins>+DEFAULT_FIELDNAME_ATTRIBUTE_MAP = MappingProxyType({
</ins><span class="cx"> BaseFieldName.guid: (LDAPAttribute.generatedUUID.value,),
</span><span class="cx"> BaseFieldName.recordType: (LDAPAttribute.objectClass.value,),
</span><span class="cx"> BaseFieldName.shortNames: (LDAPAttribute.uid.value,),
</span><span class="cx"> BaseFieldName.fullNames: (LDAPAttribute.cn.value,),
</span><span class="cx"> BaseFieldName.emailAddresses: (LDAPAttribute.mail.value,),
</span><span class="cx"> BaseFieldName.password: (LDAPAttribute.userPassword.value,),
</span><del>-}
</del><ins>+})
</ins><span class="cx">
</span><span class="cx">
</span><span class="cx"> # Maps record type -> LDAP object class names
</span><del>-DEFAULT_RECORDTYPE_OBJECTCLASS_MAP = {
</del><ins>+DEFAULT_RECORDTYPE_OBJECTCLASS_MAP = MappingProxyType({
</ins><span class="cx"> BaseRecordType.user: (LDAPObjectClass.inetOrgPerson.value,),
</span><span class="cx"> BaseRecordType.group: (LDAPObjectClass.groupOfNames.value,),
</span><del>-}
</del><ins>+})
</ins><span class="cx">
</span><span class="cx">
</span><span class="cx">
</span></span></pre>
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