Fix the rules command now that the source file is an rst file

arthur/exts/fun/devops_rules.py

@@ -5,7 +5,7 @@
 
 from arthur.bot import KingArthur
 
-RULES_URL = "https://raw.githubusercontent.com/python-discord/infra/main/docs/content/docs/onboarding/rules.md"
+RULES_URL = "https://raw.githubusercontent.com/python-discord/infra/main/docs/onboarding/rules.rst"
 
 
 class Rules(Cog):
@@ -21,12 +21,18 @@ async def cog_load(self) -> None:
             resp.raise_for_status()
             raw_content = await resp.text()
         # Ignore markdown frontmatter
-        parsed_content = raw_content.split("---")[-1].strip()
-        # Ignore first 4 lines, as they are not the rules
-        parsed_content = parsed_content.split("\n")[4:]
+        parsed_content = raw_content.split("=====")[-1].strip()
+        # Ignore first 3 lines, as they are not the rules
+        parsed_content = parsed_content.split("\n", maxsplit=2)[2]
+        # Split on periods to get each rule, and hope we never use periods in our rules.
+        parsed_content = parsed_content.split(".")[1:]
         self.rules = {}
-        for line in parsed_content:
-            number, rule = line.split(".", maxsplit=1)
+        for number, raw_rule in enumerate(parsed_content, 1):
+            # Drop extra newlines, backslashes that were added for sphinx
+            rule = raw_rule.replace("\n", "").replace(r"\ ", "")
+            if rule[-1].isdecimal():
+                # Drop the last character, if it is the index of the next rule.
+                rule = rule[:-1]
             self.rules[int(number)] = rule.strip()
 
     @group(name="rules", aliases=("rule",), invoke_without_command=True)