feat(member): implement member banners

changelog/1203.feature.rst

@@ -0,0 +1 @@
+Implement new :attr:`.Member.guild_banner` property.

disnake/asset.py

@@ -237,6 +237,19 @@ def _from_guild_avatar(
             animated=animated,
         )
 
+    @classmethod
+    def _from_guild_banner(
+        cls, state: AnyState, guild_id: int, member_id: int, banner: str
+    ) -> Self:
+        animated = banner.startswith("a_")
+        format = "gif" if animated else "png"
+        return cls(
+            state,
+            url=f"{cls.BASE}/guilds/{guild_id}/users/{member_id}/banners/{banner}.{format}?size=1024",
+            key=banner,
+            animated=animated,
+        )
+
     @classmethod
     def _from_icon(cls, state: AnyState, object_id: int, icon_hash: str, path: str) -> Self:
         return cls(

disnake/member.py

@@ -272,6 +272,7 @@ class Member(disnake.abc.Messageable, _UserTag):
         "_user",
         "_state",
         "_avatar",
+        "_banner",
         "_communication_disabled_until",
         "_flags",
         "_avatar_decoration_data",
@@ -340,6 +341,7 @@ def __init__(
         self.nick: Optional[str] = data.get("nick")
         self.pending: bool = data.get("pending", False)
         self._avatar: Optional[str] = data.get("avatar")
+        self._banner: Optional[str] = data.get("banner")
         timeout_datetime = utils.parse_time(data.get("communication_disabled_until"))
         self._communication_disabled_until: Optional[datetime.datetime] = timeout_datetime
         self._flags: int = data.get("flags", 0)
@@ -619,6 +621,17 @@ def guild_avatar(self) -> Optional[Asset]:
             return None
         return Asset._from_guild_avatar(self._state, self.guild.id, self.id, self._avatar)
 
+    @property
+    def guild_banner(self) -> Optional[Asset]:
+        """Optional[:class:`Asset`]: Returns an :class:`Asset` for the guild banner
+        the member has. If unavailable, ``None`` is returned.
+
+        .. versionadded:: 2.10
+        """
+        if self._banner is None:
+            return None
+        return Asset._from_guild_banner(self._state, self.guild.id, self.id, self._banner)
+
     @property
     def activity(self) -> Optional[ActivityTypes]:
         """Optional[Union[:class:`BaseActivity`, :class:`Spotify`]]: Returns the primary