proxy fallback

stream.py

@@ -28,8 +28,17 @@ class ProxyElem():
 
 proxies = {}
 for key in providers:
-    proxy = os.environ.get(key.upper() + "_PROXY")
-    proxies[key] = ProxyElem(proxy)
+    proxies[key] = []
+    current = []
+    for i in range(0,9):
+        proxy = os.environ.get(f'{key}_proxy{i}'.upper())
+        if proxy is not None:
+            current.append(proxy)
+    if len(current) == 0:
+        proxies[key].append(ProxyElem(None))
+    else:
+        for proxy in current:
+            proxies[key].append(ProxyElem(proxy))
 
 playlist = None
 icecast_server = os.environ.get("ICECAST_SERVER")
@@ -154,18 +163,23 @@ class MainHandler(tornado.web.RequestHandler):
         upstream = None
         proxy = None
         if provider in providers.keys():
-            proxy = proxies.get(provider)
             path = self.request.path
             if provider == "youtube":
                 path = path.strip("/")
             src = providers[provider] + self.request.path
-            try:
-                resp = requests.head(src, allow_redirects=True)
-                if resp is not None:
-                    src = resp.url
-            except Exception as e:
-                print(e)
-            else:
+            proxy = None
+            proxy_list = proxies.get(provider)
+            if isinstance(proxy_list, list):
+                for proxy_temp in proxy_list:
+                    try:
+                        resp = requests.head(src, allow_redirects=True, proxies=proxy_temp.req)
+                        if resp is not None:
+                            src = resp.url
+                    except Exception as e:
+                        print(e)
+                    else:
+                        proxy = proxy_temp
+            if proxy is not None:
                 try:
                     streams = proxy.stream.streams(src)
                     for key in reversed(streams):
@@ -174,8 +188,7 @@ class MainHandler(tornado.web.RequestHandler):
                             upstream = stream.url
                             break
                 except Exception as e:
-                    print(str(e))
-                    upstream = None
+                    print(e)
         if upstream is None:
             self.set_status(404)
             if write: