Provide a bot.all_extensions instance attribute

This allows commands like extensions and source to see all of the available commands, rather than just the currently loaded commands.

2 files changed, 13 insertions, 6 deletions

diff --git a/botcore/_bot.py b/botcore/_bot.py
index f334631c..d740fe03 100644
--- a/botcore/_bot.py
+++ b/botcore/_bot.py
@@ -75,6 +75,8 @@ class BotBase(commands.Bot):
 
         self.stats: Optional[AsyncStatsClient] = None
 
+        self.all_extensions: Optional[frozenset[str]] = None
+
     def _connect_statsd(
         self,
         statsd_url: str,
@@ -104,8 +106,10 @@ class BotBase(commands.Bot):
         self.closing_tasks: list[asyncio.Task] = []
 
     async def load_extensions(self, module: types.ModuleType) -> None:
-        """Load all the extensions within the given module."""
-        for extension in walk_extensions(module):
+        """Load all the extensions within the given module and save them to ``self.all_extensions``."""
+        self.all_extensions = walk_extensions(module)
+
+        for extension in self.all_extensions:
             await self.load_extension(extension)
 
     def _add_root_aliases(self, command: commands.Command) -> None:
diff --git a/botcore/utils/_extensions.py b/botcore/utils/_extensions.py
index 6848fae6..d90a25dd 100644
--- a/botcore/utils/_extensions.py
+++ b/botcore/utils/_extensions.py
@@ -22,19 +22,20 @@ def unqualify(name: str) -> str:
 
 def walk_extensions(module: types.ModuleType) -> frozenset[str]:
     """
-    Yield extension names from the given module.
+    Return all extension names from the given module.
 
     Args:
         module (types.ModuleType): The module to look for extensions in.
 
     Returns:
-        An iterator object, that returns a string that can be passed directly to
-            :obj:`discord.ext.commands.Bot.load_extension` on call to next().
+        A set of strings that can be passed directly to :obj:`discord.ext.commands.Bot.load_extension`.
     """
 
     def on_error(name: str) -> NoReturn:
         raise ImportError(name=name)  # pragma: no cover
 
+    modules = set()
+
     for module_info in pkgutil.walk_packages(module.__path__, f"{module.__name__}.", onerror=on_error):
         if unqualify(module_info.name).startswith("_"):
             # Ignore module/package names starting with an underscore.
@@ -46,4 +47,6 @@ def walk_extensions(module: types.ModuleType) -> frozenset[str]:
                 # If it lacks a setup function, it's not an extension.
                 continue
 
-        yield module_info.name
+        modules.add(module_info.name)
+
+    return frozenset(modules)