Create wordlist.py

wordlist.py

@@ -0,0 +1,38 @@
+import asyncio
+import urllib.request
+import urllib.error
+import config
+
+async def fetch_word_list() -> list[str]:
+    """
+    Downloads config.WORDLIST_URL (tab-separated word<TAB>freq file).
+    Filters: length MIN_WORD_LEN..MAX_WORD_LEN, strictly alpha only.
+    Sorts by frequency descending.
+    Uses loop.run_in_executor so it does not block the event loop.
+    """
+    def _download():
+        req = urllib.request.Request(config.WORDLIST_URL, headers={'User-Agent': 'Mozilla/5.0'})
+        try:
+            with urllib.request.urlopen(req) as response:
+                return response.read().decode('utf-8').splitlines()
+        except urllib.error.URLError as e:
+            print(f"Failed to fetch word list: {e}")
+            return []
+
+    loop = asyncio.get_event_loop()
+    lines = await loop.run_in_executor(None, _download)
+
+    data = []
+    for line in lines:
+        parts = line.split('\t')
+        if len(parts) == 2:
+            word = parts[0].strip()
+            if config.MIN_WORD_LEN <= len(word) <= config.MAX_WORD_LEN and word.isalpha():
+                try:
+                    count = int(parts[1].strip())
+                    data.append((word, count))
+                except ValueError:
+                    continue
+
+    data.sort(key=lambda x: x[1], reverse=True)
+    return [word for word, count in data]