[CalendarServer-changes] [4215] CalendarServer/trunk/twext/web2

[source_changes at macosforge.org]

Revision: 4215
          http://trac.macosforge.org/projects/calendarserver/changeset/4215
Author:   wsanchez at apple.com
Date:     2009-05-08 15:30:43 -0700 (Fri, 08 May 2009)
Log Message:
-----------
Add twext.web2.dav.davxml

Added Paths:
-----------
    CalendarServer/trunk/twext/web2/dav/
    CalendarServer/trunk/twext/web2/dav/__init__.py
    CalendarServer/trunk/twext/web2/dav/davxml.py
    CalendarServer/trunk/twext/web2/dav/test/
    CalendarServer/trunk/twext/web2/dav/test/__init__.py
    CalendarServer/trunk/twext/web2/dav/test/test_davxml.py

Added: CalendarServer/trunk/twext/web2/dav/__init__.py
===================================================================
--- CalendarServer/trunk/twext/web2/dav/__init__.py	                        (rev 0)
+++ CalendarServer/trunk/twext/web2/dav/__init__.py	2009-05-08 22:30:43 UTC (rev 4215)
@@ -0,0 +1,19 @@
+##
+# Copyright (c) 2009 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.
+##
+
+"""
+Extentions to twisted.web2.dav
+"""

Added: CalendarServer/trunk/twext/web2/dav/davxml.py
===================================================================
--- CalendarServer/trunk/twext/web2/dav/davxml.py	                        (rev 0)
+++ CalendarServer/trunk/twext/web2/dav/davxml.py	2009-05-08 22:30:43 UTC (rev 4215)
@@ -0,0 +1,62 @@
+##
+# Copyright (c) 2005-2009 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.
+##
+
+"""
+Extensions to twisted.web2.dav.davxml
+"""
+
+__all__ = [
+    "sname2qname",
+    "qname2sname",
+]
+
+def sname2qname(sname):
+    """
+    Convert an sname into a qname.
+
+    That is, parse a property name string (eg: C{"{DAV:}displayname"})
+    into a tuple (eg: C{("DAV:", "displayname")}).
+
+    @raise ValueError is input is not valid. Note, however, that this
+    function does not attempt to fully validate C{sname}.
+    """
+    def raiseIf(condition):
+        if condition:
+            raise ValueError("Invalid sname: %s" % (sname,))
+
+    raiseIf(not sname.startswith("{"))
+
+    try:
+        i = sname.index("}")
+    except ValueError:
+        raiseIf(True)
+
+    namespace = sname[1:i]
+    name = sname [i+1:]
+
+    raiseIf("{" in namespace)
+    raiseIf(not name)
+
+    return namespace, name
+
+def qname2sname(qname):
+    """
+    Convert a qname into an sname.
+    """
+    try:
+        return "{%s}%s" % qname
+    except TypeError:
+        raise ValueError("Invalid qname: %r" % (qname,))

Added: CalendarServer/trunk/twext/web2/dav/test/__init__.py
===================================================================
--- CalendarServer/trunk/twext/web2/dav/test/__init__.py	                        (rev 0)
+++ CalendarServer/trunk/twext/web2/dav/test/__init__.py	2009-05-08 22:30:43 UTC (rev 4215)
@@ -0,0 +1,19 @@
+##
+# Copyright (c) 2009 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.
+##
+
+"""
+Extentions to twisted.web2.dav.test
+"""

Added: CalendarServer/trunk/twext/web2/dav/test/test_davxml.py
===================================================================
--- CalendarServer/trunk/twext/web2/dav/test/test_davxml.py	                        (rev 0)
+++ CalendarServer/trunk/twext/web2/dav/test/test_davxml.py	2009-05-08 22:30:43 UTC (rev 4215)
@@ -0,0 +1,46 @@
+##
+# Copyright (c) 2005-2007 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.
+##
+
+from twext.web2.dav.davxml import *
+
+from twistedcaldav.test.util import TestCase
+
+class XML(TestCase):
+    def test_sname2qname(self):
+        # Empty name
+        self.assertRaises(ValueError, sname2qname, "") 
+        self.assertRaises(ValueError, sname2qname, "{}")
+        self.assertRaises(ValueError, sname2qname, "{x}")
+
+        # Weird bracket cases
+        self.assertRaises(ValueError, sname2qname, "{")
+        self.assertRaises(ValueError, sname2qname, "x{")
+        self.assertRaises(ValueError, sname2qname, "{x")
+        self.assertRaises(ValueError, sname2qname, "}")
+        self.assertRaises(ValueError, sname2qname, "x}")
+        self.assertRaises(ValueError, sname2qname, "}x")  
+        self.assertRaises(ValueError, sname2qname, "{{}")
+        self.assertRaises(ValueError, sname2qname, "{{}}")
+        self.assertRaises(ValueError, sname2qname, "x{}")
+
+        # Empty namespace is OK
+        self.assertEquals(sname2qname("{}x"), ("", "x"))
+
+        # Normal case
+        self.assertEquals(sname2qname("{namespace}name"), ("namespace", "name"))
+
+    def test_qname2sname(self):
+        self.assertEquals(qname2sname(("namespace", "name")), "{namespace}name")
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