Initial start with the embed command

plugins/embed.py

@@ -0,0 +1,45 @@
+"""
+Display an image URL as an embedded image in some clients like Conversations.
+Uses: https://xmpp.org/extensions/xep-0066.html#x-oob
+
+Usage
+-----
+
+.. glossary::
+
+    /embed <image_url>
+
+        Run this command to send the <image_url> as an
+        embedded image in your contact's client.
+"""
+
+from poezio import tabs
+from poezio.plugin import BasePlugin
+from poezio.theming import get_theme
+
+class Plugin(BasePlugin):
+
+    def init(self):
+        for tab_t in [tabs.MucTab, tabs.ConversationTab, tabs.PrivateTab]:
+            self.api.add_tab_command(tab_t, 'embed', self.embed_image_url,
+                                     help='Embed an image url into the contact\'s client',
+                                     usage='<image_url>')
+
+    def embed_image_url(self, args):
+        tab = self.api.current_tab()
+        message = self.core.xmpp.make_message(tab.name)
+        message['body'] = args
+        message['oob']['url'] = args
+        if isinstance(tab, tabs.MucTab):
+            message['type'] = 'groupchat'
+        else:
+            message['type'] = 'chat'
+            tab.add_message(
+                message['body'],
+                nickname=tab.core.own_nick,
+                nick_color=get_theme().COLOR_OWN_NICK,
+                identifier=message['id'],
+                jid=tab.core.xmpp.boundjid,
+                typ=1,
+            )
+        message.send()