Reimplement XKCD Title lookup

data/settings.json

@@ -23,7 +23,7 @@
         "help": "{prefix}help (command): Get information on commands",
         "ping": "{prefix}ping {Host}: Ping the selfbot (or any host)",
         "roll": "{prefix}roll (Number): Roll a dice (with number sides)",
-        "xkcd": "{prefix}xkcd (Number): Get an XKCD comic",
+        "xkcd": "{prefix}xkcd (Number/Title): Get an XKCD comic",
         "shrug": "{prefix}shrug {text}: Append ¯\\_(ツ)_/¯ to the text",
         "emoji_size": "{prefix}emoji_size {size}: Set the default emoji size",
         "emoji_list": "{prefix}emoji_list: Get a list of usable custom emojis"

main.py

@@ -55,6 +55,14 @@ client = None
 ratelimits = {}
 
 # Common function definitions
+# Filter a title for local lookup with XKCD
+def filter_xkcd_title(title):
+    filtered_title = ""
+    for char in title.lower().split("(")[0]:
+        if (char.isdecimal() or char.isalpha()) and (not char == " "):
+            filtered_title += char
+    return filtered_title
+
 # Grab a list of all emojis on disk
 def list_emojis():
     global settings
@@ -221,15 +229,29 @@ async def xkcd(args, room, event):
     comic = ""
     if len(args) == 1 and args[0].isdecimal():
         comic = args[0] + "/"
-    try:
+    elif len(args) > 0:
+        lookup = {}
+        r = requests.get("https://xkcd.com/archive/")
+        for line in r.text.split("\n"):
+            if "<a href=\"" in line and "\" title=\"2" in line:
+                num = line.split("/")[1]
+                title = filter_xkcd_title(line.split(">")[1].split("<")[0])
+                lookup[title] = num
+        user_title = filter_xkcd_title(" ".join(args))
+        if user_title in lookup.keys():
+            comic = lookup[user_title] + "/"
     r = requests.get(f"https://xkcd.com/{comic}info.0.json")
+    if settings["debug"]:
         rj = json.loads(r.text)
+    else:
+        try:
+            rj = json.loads(r.text)
+        except Exception:
+            return await send_text(room.room_id, "Failed to get XKCD!")
     filename = download_file(rj["img"], settings["cache_path"] + "/" + str(rj["num"]) + "." + rj["img"].split(".")[-1])
     image = await send_file(filename)
     await send_text(room.room_id, f"{rj['year']}/{rj['month']}/{rj['day']}, {str(rj['num'])}: <a href=\"https://xkcd.com/{str(rj['num'])}/\">{rj['safe_title']}</a>")
     return await send_image(room.room_id, image, rj['alt'])
-    except Exception:
-        return await send_text(room.room_id, "Failed to get XKCD!")
 
 async def message_callback(room: nio.MatrixRoom, event: nio.RoomMessageText) -> None:
     global client, settings, emojis