From 2ea3c1f322c177ad2c20fe04f389af5a6d1b3dc8 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Fri, 11 Nov 2016 02:33:01 +0300
Subject: [PATCH] [sync] + kazimir support

---
 utils/Sync/kazimir/__init__.py |  7 +++++++
 utils/Sync/kazimir/video.py    | 38 ++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 utils/Sync/kazimir/__init__.py
 create mode 100644 utils/Sync/kazimir/video.py

diff --git a/utils/Sync/kazimir/__init__.py b/utils/Sync/kazimir/__init__.py
new file mode 100644
index 00000000..6f67593f
--- /dev/null
+++ b/utils/Sync/kazimir/__init__.py
@@ -0,0 +1,7 @@
+from markdown import markdown
+
+from kazimir.video import VideoExtension
+
+
+def kazimir_to_html(text):
+    return markdown(text, extensions=[VideoExtension()])
diff --git a/utils/Sync/kazimir/video.py b/utils/Sync/kazimir/video.py
new file mode 100644
index 00000000..4f7060bd
--- /dev/null
+++ b/utils/Sync/kazimir/video.py
@@ -0,0 +1,38 @@
+from markdown import Extension
+from markdown.inlinepatterns import Pattern
+from markdown.util import etree
+
+
+class VideoExtension(Extension):
+    def add_inline(self, md, name, klass, re):
+        pattern = klass(re)
+        pattern.md = md
+        pattern.ext = self
+        md.inlinePatterns.add(name, pattern, "<reference")
+
+    def extendMarkdown(self, md, md_globals):
+        youtube = r'([^(]|^)https?://www\.youtube\.com/watch\?\S*v=(?P<youtubeargs>[A-Za-z0-9_&=-]+)\S*'
+        self.add_inline(md, 'youtube', Youtube, youtube)
+
+
+class Youtube(Pattern):
+    def handleMatch(self, m):
+        url = 'https://www.youtube.com/embed/%s' % m.group('youtubeargs')
+        return flex_video(url)
+
+
+def flex_video(url):
+    """
+    <div class="kazimir-video">
+     <iframe src="http://www.youtube.com/embed/9otNWTHOJi8" frameborder="0" allowfullscreen></iframe>
+   </div>
+    """
+    iframe = etree.Element('iframe')
+    iframe.set('src', url)
+    iframe.set('frameborder', '0')
+    iframe.set('allowfullscreen', '')
+
+    obj = etree.Element('div')
+    obj.set('class', "kazimir-video")
+    obj.append(iframe)
+    return obj