fix: command syncing edge cases

CHANGELOG.md

@@ -128,6 +128,8 @@ These changes are available on the `master` branch, but have not yet been releas
   changes. ([#2671](https://github.com/Pycord-Development/pycord/pull/2671))
 - `Entitlement.ends_at` can now be `None`.
   ([#2564](https://github.com/Pycord-Development/pycord/pull/2564))
+- Changed the default value of `ApplicationCommand.nsfw` to `False`.
+  ([#2797](https://github.com/Pycord-Development/pycord/pull/2797))
 
 ### Deprecated
 

discord/bot.py

@@ -328,12 +328,17 @@ def _check_command(cmd: ApplicationCommand, match: Mapping[str, Any]) -> bool:
                             ]:
                                 # We have a difference
                                 return True
-                    elif getattr(cmd, check, None) != match.get(check):
-                        # We have a difference
-                        if (
+                    elif (attr := getattr(cmd, check, None)) != (
+                        found := match.get(check)
+                    ):
+                        # We might have a difference
+                        if "localizations" in check and bool(attr) == bool(found):
+                            # unlike other attrs, localizations are MISSING by default
+                            continue
+                        elif (
                             check == "default_permission"
-                            and getattr(cmd, check) is True
-                            and match.get(check) is None
+                            and attr is True
+                            and found is None
                         ):
                             # This is a special case
                             # TODO: Remove for perms v2

discord/commands/core.py

@@ -233,7 +233,7 @@ def __init__(self, func: Callable, **kwargs) -> None:
             "__default_member_permissions__",
             kwargs.get("default_member_permissions", None),
         )
-        self.nsfw: bool | None = getattr(func, "__nsfw__", kwargs.get("nsfw", None))
+        self.nsfw: bool | None = getattr(func, "__nsfw__", kwargs.get("nsfw", False))
 
         integration_types = getattr(
             func, "__integration_types__", kwargs.get("integration_types", None)
@@ -1255,7 +1255,7 @@ def __init__(
         self.default_member_permissions: Permissions | None = kwargs.get(
             "default_member_permissions", None
         )
-        self.nsfw: bool | None = kwargs.get("nsfw", None)
+        self.nsfw: bool | None = kwargs.get("nsfw", False)
 
         integration_types = kwargs.get("integration_types", None)
         contexts = kwargs.get("contexts", None)