Add Notion Auth Provider (#277)

<img width="409" alt="Screenshot 2025-03-06 at 11 01 24 AM"
src="https://github.com/user-attachments/assets/27cb160e-c8cc-4107-a455-aa1ee9b392c4"
/>

arcade/arcade/core/auth.py

@@ -60,24 +60,6 @@ class Dropbox(OAuth2):
         super().__init__(id=id, scopes=scopes)
 
 
-class Google(OAuth2):
-    """Marks a tool as requiring Google authorization."""
-
-    provider_id: str = "google"
-
-    def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
-        super().__init__(id=id, scopes=scopes)
-
-
-class Slack(OAuth2):
-    """Marks a tool as requiring Slack (user token) authorization."""
-
-    provider_id: str = "slack"
-
-    def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
-        super().__init__(id=id, scopes=scopes)
-
-
 class GitHub(OAuth2):
     """Marks a tool as requiring GitHub App authorization."""
 
@@ -87,10 +69,10 @@ class GitHub(OAuth2):
         super().__init__(id=id, scopes=scopes)
 
 
-class X(OAuth2):
+class Google(OAuth2):
-    """Marks a tool as requiring X (Twitter) authorization."""
+    """Marks a tool as requiring Google authorization."""
 
-    provider_id: str = "x"
+    provider_id: str = "google"
 
     def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
         super().__init__(id=id, scopes=scopes)
@@ -105,6 +87,24 @@ class LinkedIn(OAuth2):
         super().__init__(id=id, scopes=scopes)
 
 
+class Notion(OAuth2):
+    """Marks a tool as requiring Notion authorization."""
+
+    provider_id: str = "notion"
+
+    def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
+        super().__init__(id=id, scopes=scopes)
+
+
+class Slack(OAuth2):
+    """Marks a tool as requiring Slack (user token) authorization."""
+
+    provider_id: str = "slack"
+
+    def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
+        super().__init__(id=id, scopes=scopes)
+
+
 class Spotify(OAuth2):
     """Marks a tool as requiring Spotify authorization."""
 
@@ -114,6 +114,15 @@ class Spotify(OAuth2):
         super().__init__(id=id, scopes=scopes)
 
 
+class X(OAuth2):
+    """Marks a tool as requiring X (Twitter) authorization."""
+
+    provider_id: str = "x"
+
+    def __init__(self, *, id: Optional[str] = None, scopes: Optional[list[str]] = None):  # noqa: A002
+        super().__init__(id=id, scopes=scopes)
+
+
 class Zoom(OAuth2):
     """Marks a tool as requiring Zoom authorization."""
 

arcade/arcade/sdk/auth/__init__.py

@@ -5,6 +5,7 @@ from arcade.core.auth import (
     GitHub,
     Google,
     LinkedIn,
+    Notion,
     OAuth2,
     Slack,
     Spotify,
@@ -20,6 +21,7 @@ __all__ = [
     "GitHub",
     "Google",
     "LinkedIn",
+    "Notion",
     "OAuth2",
     "Slack",
     "Spotify",