Adding upstream version 0.6.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

aioeapi/aio_portcheck.py

@@ -0,0 +1,56 @@
+# -----------------------------------------------------------------------------
+# System Imports
+# -----------------------------------------------------------------------------
+
+from typing import Optional
+import socket
+import asyncio
+
+# -----------------------------------------------------------------------------
+# Public Imports
+# -----------------------------------------------------------------------------
+
+
+from httpx import URL
+
+# -----------------------------------------------------------------------------
+# Exports
+# -----------------------------------------------------------------------------
+
+__all__ = ["port_check_url"]
+
+# -----------------------------------------------------------------------------
+#
+#                                 CODE BEGINS
+#
+# -----------------------------------------------------------------------------
+
+
+async def port_check_url(url: URL, timeout: Optional[int] = 5) -> bool:
+    """
+    This function attempts to open the port designated by the URL given the
+    timeout in seconds.  If the port is avaialble then return True; False
+    otherwise.
+
+    Parameters
+    ----------
+    url:
+        The URL that provides the target system
+
+    timeout: optional, default is 5 seonds
+        Time to await for the port to open in seconds
+    """
+    port = url.port or socket.getservbyname(url.scheme)
+
+    try:
+        wr: asyncio.StreamWriter
+        _, wr = await asyncio.wait_for(
+            asyncio.open_connection(host=url.host, port=port), timeout=timeout
+        )
+
+        # MUST close if opened!
+        wr.close()
+        return True
+
+    except Exception:  # noqa
+        return False