From 2e8e542bc9391e49cb901217f77915f42cdd8c17 Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Sun, 3 Jul 2011 12:43:34 -0700
Subject: [PATCH] Added XEP-0203 Delayed Delivery plugin.

---
 sleekxmpp/plugins/__init__.py          |  5 ++--
 sleekxmpp/plugins/xep_0203/__init__.py | 12 ++++++++
 sleekxmpp/plugins/xep_0203/delay.py    | 36 ++++++++++++++++++++++
 sleekxmpp/plugins/xep_0203/stanza.py   | 41 ++++++++++++++++++++++++++
 4 files changed, 92 insertions(+), 2 deletions(-)
 create mode 100644 sleekxmpp/plugins/xep_0203/__init__.py
 create mode 100644 sleekxmpp/plugins/xep_0203/delay.py
 create mode 100644 sleekxmpp/plugins/xep_0203/stanza.py

diff --git a/sleekxmpp/plugins/__init__.py b/sleekxmpp/plugins/__init__.py
index d27937ae..5630c1d9 100644
--- a/sleekxmpp/plugins/__init__.py
+++ b/sleekxmpp/plugins/__init__.py
@@ -6,5 +6,6 @@
     See the file LICENSE for copying permission.
 """
 __all__ = ['xep_0004', 'xep_0009', 'xep_0012', 'xep_0030', 'xep_0033',
-           'xep_0045', 'xep_0050', 'xep_0060', 'xep_0085', 'xep_0086',
-           'xep_0092', 'xep_0128', 'xep_0199', 'xep_0202', 'gmail_notify']
+           'xep_0045', 'xep_0050', 'xep_0060', 'xep_0066', 'xep_0082',
+           'xep_0085', 'xep_0086', 'xep_0092', 'xep_0128', 'xep_0199',
+           'xep_0202', 'xep_0203', 'gmail_notify']
diff --git a/sleekxmpp/plugins/xep_0203/__init__.py b/sleekxmpp/plugins/xep_0203/__init__.py
new file mode 100644
index 00000000..445ccf37
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0203/__init__.py
@@ -0,0 +1,12 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.plugins.xep_0203 import stanza
+from sleekxmpp.plugins.xep_0203.stanza import Delay
+from sleekxmpp.plugins.xep_0203.delay import xep_0203
+
diff --git a/sleekxmpp/plugins/xep_0203/delay.py b/sleekxmpp/plugins/xep_0203/delay.py
new file mode 100644
index 00000000..8ff14d18
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0203/delay.py
@@ -0,0 +1,36 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+
+from sleekxmpp.stanza import Message, Presence
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.plugins.xep_0203 import stanza
+
+
+class xep_0203(base_plugin):
+
+    """
+    XEP-0203: Delayed Delivery
+
+    XMPP stanzas are sometimes withheld for delivery due to the recipient
+    being offline, or are resent in order to establish recent history as
+    is the case with MUCS. In any case, it is important to know when the
+    stanza was originally sent, not just when it was last received.
+
+    Also see <http://www.xmpp.org/extensions/xep-0203.html>.
+    """
+
+    def plugin_init(self):
+        """Start the XEP-0203 plugin."""
+        self.xep = '0203'
+        self.description = 'Delayed Delivery'
+        self.stanza = stanza
+
+        register_stanza_plugin(Message, stanza.Delay)
+        register_stanza_plugin(Presence, stanza.Delay)
diff --git a/sleekxmpp/plugins/xep_0203/stanza.py b/sleekxmpp/plugins/xep_0203/stanza.py
new file mode 100644
index 00000000..baae4cd3
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0203/stanza.py
@@ -0,0 +1,41 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+import datetime as dt
+
+from sleekxmpp.xmlstream import ElementBase
+from sleekxmpp.plugins import xep_0082
+
+
+class Delay(ElementBase):
+
+    """
+    """
+
+    name = 'delay'
+    namespace = 'urn:xmpp:delay'
+    plugin_attrib = 'delay'
+    interfaces = set(('from', 'stamp', 'text'))
+
+    def get_stamp(self):
+        timestamp = self._get_attr('stamp')
+        return xep_0082.parse(timestamp)
+
+    def set_stamp(self, value):
+        if isinstance(value, dt.datetime):
+            value = xep_0082.format_datetime(value)
+        self._set_attr('stamp', value)
+
+    def get_text(self):
+        return self.xml.text
+
+    def set_text(self, value):
+        self.xml.text = value
+
+    def del_text(self):
+        self.xml.text = ''