Use the extensions list & util from bot-core

3 files changed, 8 insertions, 43 deletions

diff --git a/bot/converters.py b/bot/converters.py
index a3f4630a0..bd0fa373e 100644
--- a/bot/converters.py
+++ b/bot/converters.py
@@ -9,19 +9,19 @@ import dateutil.parser
 import discord
 from aiohttp import ClientConnectorError
 from botcore.site_api import ResponseCodeError
+from botcore.utils._extensions import unqualify
 from botcore.utils.regex import DISCORD_INVITE
 from dateutil.relativedelta import relativedelta
 from discord.ext.commands import BadArgument, Bot, Context, Converter, IDConverter, MemberConverter, UserConverter
 from discord.utils import escape_markdown, snowflake_time
 
-from bot import exts
+from bot import exts, instance as bot_instance
 from bot.constants import URLs
 from bot.errors import InvalidInfraction
 from bot.exts.info.doc import _inventory_parser
 from bot.exts.info.tags import TagIdentifier
 from bot.log import get_logger
 from bot.utils import time
-from bot.utils.extensions import EXTENSIONS, unqualify
 
 if t.TYPE_CHECKING:
     from bot.exts.info.source import SourceType
@@ -150,13 +150,13 @@ class Extension(Converter):
 
         argument = argument.lower()
 
-        if argument in EXTENSIONS:
+        if argument in bot_instance.all_extensions:
             return argument
-        elif (qualified_arg := f"{exts.__name__}.{argument}") in EXTENSIONS:
+        elif (qualified_arg := f"{exts.__name__}.{argument}") in bot_instance.all_extensions:
             return qualified_arg
 
         matches = []
-        for ext in EXTENSIONS:
+        for ext in bot_instance.all_extensions:
             if argument == unqualify(ext):
                 matches.append(ext)
 
diff --git a/bot/exts/utils/extensions.py b/bot/exts/utils/extensions.py
index 95ce94c2c..9862988cb 100644
--- a/bot/exts/utils/extensions.py
+++ b/bot/exts/utils/extensions.py
@@ -12,7 +12,6 @@ from bot.constants import Emojis, MODERATION_ROLES, Roles, URLs
 from bot.converters import Extension
 from bot.log import get_logger
 from bot.pagination import LinePaginator
-from bot.utils.extensions import EXTENSIONS
 
 log = get_logger(__name__)
 
@@ -53,7 +52,7 @@ class Extensions(commands.Cog):
             return
 
         if "*" in extensions or "**" in extensions:
-            extensions = set(EXTENSIONS) - set(self.bot.extensions.keys())
+            extensions = set(self.bot.all_extensions) - set(self.bot.extensions.keys())
 
         msg = self.batch_manage(Action.LOAD, *extensions)
         await ctx.send(msg)
@@ -96,7 +95,7 @@ class Extensions(commands.Cog):
             return
 
         if "**" in extensions:
-            extensions = EXTENSIONS
+            extensions = self.bot.all_extensions
         elif "*" in extensions:
             extensions = set(self.bot.extensions.keys()) | set(extensions)
             extensions.remove("*")
@@ -136,7 +135,7 @@ class Extensions(commands.Cog):
         """Return a mapping of extension names and statuses to their categories."""
         categories = {}
 
-        for ext in EXTENSIONS:
+        for ext in self.bot.all_extensions:
             if ext in self.bot.extensions:
                 status = Emojis.status_online
             else:
diff --git a/bot/utils/extensions.py b/bot/utils/extensions.py
deleted file mode 100644
index 50350ea8d..000000000
--- a/bot/utils/extensions.py
+++ /dev/null
@@ -1,34 +0,0 @@
-import importlib
-import inspect
-import pkgutil
-from typing import Iterator, NoReturn
-
-from bot import exts
-
-
-def unqualify(name: str) -> str:
-    """Return an unqualified name given a qualified module/package `name`."""
-    return name.rsplit(".", maxsplit=1)[-1]
-
-
-def walk_extensions() -> Iterator[str]:
-    """Yield extension names from the bot.exts subpackage."""
-
-    def on_error(name: str) -> NoReturn:
-        raise ImportError(name=name)  # pragma: no cover
-
-    for module in pkgutil.walk_packages(exts.__path__, f"{exts.__name__}.", onerror=on_error):
-        if unqualify(module.name).startswith("_"):
-            # Ignore module/package names starting with an underscore.
-            continue
-
-        if module.ispkg:
-            imported = importlib.import_module(module.name)
-            if not inspect.isfunction(getattr(imported, "setup", None)):
-                # If it lacks a setup function, it's not an extension.
-                continue
-
-        yield module.name
-
-
-EXTENSIONS = frozenset(walk_extensions())