Add Embed.__len__ to query total character size of an embed.

discord/embeds.py

@@ -36,6 +36,9 @@ class _EmptyEmbed:
     def __repr__(self):
         return 'Embed.Empty'
 
+    def __len__(self):
+        return 0
+
 EmptyEmbed = _EmptyEmbed()
 
 class EmbedProxy:
@@ -54,6 +57,13 @@ class EmbedProxy:
 class Embed:
     """Represents a Discord embed.
 
+    .. container:: operations
+
+        .. describe:: len(x)
+
+            Returns the total size of the embed.
+            Useful for checking if it's within the 6000 character limit.
+
     The following attributes can be set during creation
     of the object:
 
@@ -159,6 +169,27 @@ class Embed:
 
         return self
 
+    def __len__(self):
+        total = len(self.title) + len(self.description)
+        for field in getattr(self, '_fields', []):
+            total += len(field['name']) + len(field['value'])
+
+        try:
+            footer = self._footer
+        except AttributeError:
+            pass
+        else:
+            total += len(footer['text'])
+
+        try:
+            author = self._author
+        except AttributeError:
+            pass
+        else:
+            total += len(author['name'])
+
+        return total
+
     @property
     def colour(self):
         return getattr(self, '_colour', EmptyEmbed)