Use TCP for irccat

lineandsinker/services/__init__.py

 
 def irccat_factory():
     return IrcCat(
-        os.environ["LAS_IRCCAT_URL"],
+        os.environ["LAS_IRCCAT_HOST"],
+        int(os.environ["LAS_IRCCAT_PORT"]),
         os.environ["LAS_IRCCAT_CHANNEL"],
     )
 

lineandsinker/services/irccat.py

-import requests
+import socket
 
 from .service import Service
 
 
 class IrcCat(Service):
-    def __init__(self, url, channel):
+    def __init__(self, host, port, channel):
         super().__init__("irccat")
-        self._url = url
+        self._host = host
+        self._port = port
         self._channel = channel
 
     def announce(self, message):
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        s.connect((self._host, self._port))
         for line in message.split("\n"):
-            requests.post(
-                self._url,
-                f"{self._channel}, {line}",
-            )
+            s.sendall(bf"{self._channel} {line}\n")
+        s.close()