Don't split code in codeblocks

didier/cogs/currency.py

@@ -120,7 +120,19 @@ class Currency(commands.Cog):
 
     @commands.command(name="invest", aliases=["deposit", "dep"])
     async def invest(self, ctx: commands.Context, amount: typing.Annotated[typing.Union[str, int], abbreviated_number]):
-        """Invest a given amount of Didier Dinks"""
+        """Invest a given `amount` Didier Dinks.
+
+        The `amount`-parameter can take both raw numbers, and abbreviations of big numbers. Passing `all` as the
+        value will invest all of your Didier Dinks.
+
+        Example usage:
+        ```
+        didier invest all
+        didier invest 500
+        didier invest 25k
+        didier invest 5.3b
+        ```
+        """
         async with self.client.postgres_session as session:
             invested = await crud.invest(session, ctx.author.id, amount)
             plural = pluralize("Didier Dink", invested)
@@ -134,7 +146,7 @@ class Currency(commands.Cog):
 
     @commands.hybrid_command(name="nightly")
     async def nightly(self, ctx: commands.Context):
-        """Claim nightly Didier Dinks"""
+        """Claim nightly Didier Dinks."""
         async with self.client.postgres_session as session:
             try:
                 await crud.claim_nightly(session, ctx.author.id)

didier/cogs/help.py

@@ -7,6 +7,7 @@ from overrides import overrides
 
 from didier import Didier
 from didier.utils.discord.colours import error_red
+from didier.utils.types.string import re_find_all, re_replace_with_list
 
 
 class CustomHelpCommand(commands.MinimalHelpCommand):
@@ -142,17 +143,34 @@ class CustomHelpCommand(commands.MinimalHelpCommand):
         embed = discord.Embed(title=title.title(), colour=discord.Colour.blue())
         return embed
 
+    def _clean_command_help(self, command: commands.Command) -> str:
+        """Clean up a help docstring
+
+        This will strip out single newlines, because these are only there for readability and line length.
+        These are instead replaced with spaces.
+
+        Code in codeblocks is ignored, as it is used to create examples.
+        """
+        description = command.help
+        codeblocks = re_find_all(r"\n?```.*?```", description, flags=re.DOTALL)
+
+        # Regex borrowed from https://stackoverflow.com/a/59843498/13568999
+        description = re.sub(
+            r"([^\S\n]*\n(?:[^\S\n]*\n)+[^\S\n]*)|[^\S\n]*\n[^\S\n]*", lambda x: x.group(1) or " ", description
+        )
+
+        # Replace codeblocks with their original form
+        if codeblocks:
+            description = re_replace_with_list(r"```.*?```", description, codeblocks)
+
+        return description
+
     def _add_command_help(self, embed: discord.Embed, command: commands.Command):
         """Add command-related information to an embed
 
         This allows re-using this logic for Group commands that can be invoked by themselves.
         """
-        # Regex borrowed from https://stackoverflow.com/a/59843498/13568999
-        # Remove single newlines but keep double newlines
-        # This allows short lines in the docstring, but joins them together for the help description
-        embed.description = re.sub(
-            r"([^\S\n]*\n(?:[^\S\n]*\n)+[^\S\n]*)|[^\S\n]*\n[^\S\n]*", lambda x: x.group(1) or " ", command.help
-        )
+        embed.description = self._clean_command_help(command)
 
         signature = self.get_command_signature(command)
         embed.add_field(name="Signature", value=signature, inline=False)

didier/utils/types/string.py

@@ -1,7 +1,8 @@
 import math
+import re
 from typing import Optional
 
-__all__ = ["abbreviate", "leading", "pluralize", "get_edu_year_name"]
+__all__ = ["abbreviate", "leading", "pluralize", "re_find_all", "re_replace_with_list", "get_edu_year_name"]
 
 
 def abbreviate(text: str, max_length: int) -> str:
@@ -45,6 +46,29 @@ def pluralize(word: str, amount: int, plural_form: Optional[str] = None) -> str:
     return plural_form or (word + "s")
 
 
+def re_find_all(pattern: str, string: str, flags: re.RegexFlag = 0) -> list[str]:
+    """Find all matches of a regex in a string"""
+    matches = []
+
+    while True:
+        match = re.search(pattern, string, flags=flags)
+        if not match:
+            break
+
+        matches.append(match.group(0))
+        string = string[match.end() :]
+
+    return matches
+
+
+def re_replace_with_list(pattern: str, string: str, replacements: list[str]) -> str:
+    """Replace all matches of a pattern one by one using a list of replacements"""
+    for replacement in replacements:
+        string = re.sub(pattern, replacement, string, count=1)
+
+    return string
+
+
 def get_edu_year_name(year: int) -> str:  # pragma: no cover
     """Get the string representation of a university year"""
     years = ["1st Bachelor", "2nd Bachelor", "3rd Bachelor", "1st Master", "2nd Master"]