Allow snekbox in esoteric-python channel

* Add a hidden_channels parameter to in_channel decorator to hide
  channels from the InChannelCheckFailure error message.

4 files changed, 15 insertions, 4 deletions

diff --git a/bot/cogs/snekbox.py b/bot/cogs/snekbox.py
index 362968bd0..55a187ac1 100644
--- a/bot/cogs/snekbox.py
+++ b/bot/cogs/snekbox.py
@@ -176,7 +176,7 @@ class Snekbox(Cog):
 
     @command(name="eval", aliases=("e",))
     @guild_only()
-    @in_channel(Channels.bot, bypass_roles=EVAL_ROLES)
+    @in_channel(Channels.bot, hidden_channels=(Channels.esoteric,), bypass_roles=EVAL_ROLES)
     async def eval_command(self, ctx: Context, *, code: str = None) -> None:
         """
         Run Python code and get the results.
diff --git a/bot/constants.py b/bot/constants.py
index a65c9ffa4..89504a2e0 100644
--- a/bot/constants.py
+++ b/bot/constants.py
@@ -353,6 +353,7 @@ class Channels(metaclass=YAMLGetter):
     defcon: int
     devlog: int
     devtest: int
+    esoteric: int
     help_0: int
     help_1: int
     help_2: int
diff --git a/bot/decorators.py b/bot/decorators.py
index 935df4af0..61587f406 100644
--- a/bot/decorators.py
+++ b/bot/decorators.py
@@ -27,11 +27,20 @@ class InChannelCheckFailure(CheckFailure):
         super().__init__(f"Sorry, but you may only use this command within {channels_str}.")
 
 
-def in_channel(*channels: int, bypass_roles: Container[int] = None) -> Callable:
-    """Checks that the message is in a whitelisted channel or optionally has a bypass role."""
+def in_channel(
+    *channels: int,
+    hidden_channels: Container[int] = None,
+    bypass_roles: Container[int] = None
+) -> Callable:
+    """
+    Checks that the message is in a whitelisted channel or optionally has a bypass role.
+
+    Hidden channels are channels which will not be displayed in the InChannelCheckFailure error
+    message.
+    """
     def predicate(ctx: Context) -> bool:
         """In-channel checker predicate."""
-        if ctx.channel.id in channels:
+        if ctx.channel.id in channels or ctx.channel.id in hidden_channels:
             log.debug(f"{ctx.author} tried to call the '{ctx.command.name}' command. "
                       f"The command was used in a whitelisted channel.")
             return True
diff --git a/config-default.yml b/config-default.yml
index b2ee1361f..930a1a0e6 100644
--- a/config-default.yml
+++ b/config-default.yml
@@ -108,6 +108,7 @@ guild:
         defcon:            &DEFCON        464469101889454091
         devlog:            &DEVLOG        622895325144940554
         devtest:           &DEVTEST       414574275865870337
+        esoteric:                         470884583684964352
         help_0:                           303906576991780866
         help_1:                           303906556754395136
         help_2:                           303906514266226689