Standalone 2.0

letsencrypt/errors.py

@@ -80,3 +80,13 @@ class NotSupportedError(PluginError):
 
 class RevokerError(Error):
     """Let's Encrypt Revoker error."""
+
+
+class StandaloneBindError(Error):
+    """Standalone plugin bind error."""
+
+    def __init__(self, socket_error, port):
+        super(StandaloneBindError, self).__init__(
+            "Problem binding to port {0}: {1}".format(port, socket_error))
+        self.socket_error = socket_error
+        self.port = port