feat(ext.bridge): add walk command functions & dynamically fetch attr…

…s in commands variants (Pycord-Development#1867)

* feat(ext.bridge): walk command functions

* fix(ext.bridge): dynamically fetch attributes ...

on bridge commands

* chore(changlog): add entry

* chore(ext.bridge): add docs

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* use shorter Iterator return type

As mentioned in https://docs.python.org/3.11/library/typing.html#typing.Generator, the Iterable and Iterator types can also be used in generator functions

* fix deprecated types

* finish changes

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* refactor: remove comment

* fix(ext.bridge): re-add code for l10n set-ing

* feat(ext.bridge): dynamic set

* changelog: clarify

* style(pre-commit): auto fixes from pre-commit.com hooks

* fix: I found a fix

* style(pre-commit): auto fixes from pre-commit.com hooks

---------

Signed-off-by: Middledot <78228142+Middledot@users.noreply.github.com>
Signed-off-by: plun1331 <49261529+plun1331@users.noreply.github.com>
Signed-off-by: Lala Sabathil <lala@pycord.dev>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: BobDotCom <71356958+BobDotCom@users.noreply.github.com>
Co-authored-by: plun1331 <49261529+plun1331@users.noreply.github.com>
Co-authored-by: Lala Sabathil <lala@pycord.dev>

CHANGELOG.md

@@ -49,6 +49,10 @@ These changes are available on the `master` branch, but have not yet been releas
 - Added `view.parent` which is set when the view was sent by
   `interaction.response.send_message`.
   ([#2036](https://github.com/Pycord-Development/pycord/pull/2036))
+- Added functions (`bridge.Bot.walk_bridge_commands` &
+  `BridgeCommandGroup.walk_commands`) to cycle through all bridge commands and their
+  children/subcommands.
+  ([#1867](https://github.com/Pycord-Development/pycord/pull/1867))
 
 ### Changed
 
@@ -62,6 +66,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#2025](https://github.com/Pycord-Development/pycord/pull/2025))
 - Store `view.message` on receiving Interaction for a component.
   ([#2036](https://github.com/Pycord-Development/pycord/pull/2036))
+- Attributes shared between ext and slash commands are now dynamically fetched on bridge
+  commands. ([#1867](https://github.com/Pycord-Development/pycord/pull/1867))
 
 ### Removed
 

discord/ext/bridge/bot.py

@@ -25,6 +25,7 @@
 from __future__ import annotations
 
 from abc import ABC
+from collections.abc import Iterator
 
 from discord.commands import ApplicationContext
 from discord.errors import CheckFailure, DiscordException
@@ -60,6 +61,21 @@ def bridge_commands(self) -> list[BridgeCommand | BridgeCommandGroup]:
 
         return cmds
 
+    def walk_bridge_commands(
+        self,
+    ) -> Iterator[BridgeCommand | BridgeCommandGroup]:
+        """An iterator that recursively walks through all the bot's bridge commands.
+
+        Yields
+        ------
+        Union[:class:`.BridgeCommand`, :class:`.BridgeCommandGroup`]
+            A bridge command or bridge group of the bot.
+        """
+        for cmd in self._bridge_commands:
+            yield cmd
+            if isinstance(cmd, BridgeCommandGroup):
+                yield from cmd.walk_commands()
+
     async def get_application_context(
         self, interaction: Interaction, cls=None
     ) -> BridgeApplicationContext:

discord/ext/bridge/core.py

@@ -25,6 +25,7 @@
 from __future__ import annotations
 
 import inspect
+from collections.abc import Iterator
 from typing import TYPE_CHECKING, Any, Callable
 
 import discord.commands.options
@@ -38,7 +39,7 @@
     SlashCommandOptionType,
 )
 
-from ...utils import filter_params, find, get
+from ...utils import MISSING, find, get
 from ..commands import BadArgument
 from ..commands import Bot as ExtBot
 from ..commands import (
@@ -156,6 +157,8 @@ class BridgeCommand:
         The prefix-based version of this bridge command.
     """
 
+    __special_attrs__ = ["slash_variant", "ext_variant", "parent"]
+
     def __init__(self, callback, **kwargs):
         self.parent = kwargs.pop("parent", None)
         self.slash_variant: BridgeSlashCommand = kwargs.pop(
@@ -166,13 +169,10 @@ def __init__(self, callback, **kwargs):
         ) or BridgeExtCommand(callback, **kwargs)
 
     @property
-    def name_localizations(self) -> dict[str, str]:
+    def name_localizations(self) -> dict[str, str] | None:
         """Returns name_localizations from :attr:`slash_variant`
-
         You can edit/set name_localizations directly with
-
         .. code-block:: python3
-
             bridge_command.name_localizations["en-UK"] = ...  # or any other locale
             # or
             bridge_command.name_localizations = {"en-UK": ..., "fr-FR": ...}
@@ -184,13 +184,10 @@ def name_localizations(self, value):
         self.slash_variant.name_localizations = value
 
     @property
-    def description_localizations(self) -> dict[str, str]:
+    def description_localizations(self) -> dict[str, str] | None:
         """Returns description_localizations from :attr:`slash_variant`
-
         You can edit/set description_localizations directly with
-
         .. code-block:: python3
-
             bridge_command.description_localizations["en-UK"] = ...  # or any other locale
             # or
             bridge_command.description_localizations = {"en-UK": ..., "fr-FR": ...}
@@ -201,9 +198,34 @@ def description_localizations(self) -> dict[str, str]:
     def description_localizations(self, value):
         self.slash_variant.description_localizations = value
 
-    @property
-    def qualified_name(self) -> str:
-        return self.slash_variant.qualified_name
+    def __getattribute__(self, name):
+        try:
+            # first, look for the attribute on the bridge command
+            return super().__getattribute__(name)
+        except AttributeError as e:
+            # if it doesn't exist, check this list, if the name of
+            # the parameter is here
+            if name is self.__special_attrs__:
+                raise e
+
+            # looks up the result in the variants.
+            # slash cmd prioritized
+            result = getattr(self.slash_variant, name, MISSING)
+            try:
+                if result is MISSING:
+                    return getattr(self.ext_variant, name)
+                return result
+            except AttributeError:
+                raise AttributeError(
+                    f"'{self.__class__.__name__}' object has no attribute '{name}'"
+                )
+
+    def __setattr__(self, name, value) -> None:
+        if name not in self.__special_attrs__:
+            setattr(self.slash_variant, name, value)
+            setattr(self.ext_variant, name, value)
+
+        return super().__setattr__(name, value)
 
     def add_to(self, bot: ExtBot) -> None:
         """Adds the command to a bot. This method is inherited by :class:`.BridgeCommandGroup`.
@@ -321,6 +343,14 @@ class BridgeCommandGroup(BridgeCommand):
         If :func:`map_to` is used, the mapped slash command.
     """
 
+    __special_attrs__ = [
+        "slash_variant",
+        "ext_variant",
+        "parent",
+        "subcommands",
+        "mapped",
+    ]
+
     ext_variant: BridgeExtGroup
     slash_variant: BridgeSlashGroup
 
@@ -341,6 +371,16 @@ def __init__(self, callback, *args, **kwargs):
             kwargs.update(map_to)
             self.mapped = self.slash_variant.command(**kwargs)(callback)
 
+    def walk_commands(self) -> Iterator[BridgeCommand]:
+        """An iterator that recursively walks through all the bridge group's subcommands.
+
+        Yields
+        ------
+        :class:`.BridgeCommand`
+            A bridge command of this bridge group.
+        """
+        yield from self.subcommands
+
     def command(self, *args, **kwargs):
         """A decorator to register a function as a subcommand.