update rss_proxy.py

* fixed broken guid rewrite

proxy/rss_proxy.py

@@ -1,3 +1,4 @@
+import html
 import urllib.parse
 import os
 import requests
@@ -22,8 +23,8 @@ def normalize_text(text):
 
 
 def extract_viewtopic_link(description):
-    """Ищет любую ссылку в description"""
-    match = re.search(r'href="(https?://[^"]+)"', description)
+    decoded_description = html.unescape(description)
+    match = re.search(r'href="(https?://[^"]+)"', decoded_description)
     return match.group(1) if match else None
 
 
@@ -50,13 +51,13 @@ def init_proxy(app):
         try:
             proxies = {"http": PROXY_URL, "https": PROXY_URL} if PROXY_URL else None
             r = requests.get(url, timeout=10, proxies=proxies)
-            r.encoding = r.apparent_encoding
 
             xml_data = r.text
             xml_data = xml_data.replace("&", "&")
+            _encoding = xml_data.split('encoding="')[1].split('"')[0]
             if '<?xml version="1.0" encoding="' in xml_data:
                 xml_data = xml_data.replace(
-                    '<?xml version="1.0" encoding="' + xml_data.split('encoding="')[1].split('"')[0] + '"?>',
+                    f'<?xml version="1.0" encoding="{_encoding}"?>',
                     '<?xml version="1.0" encoding="UTF-8"?>'
                 )