nixpkgs/pkgs/development/python-modules/pyserial/002-rfc2217-timeout-setter-for-rfc2217.patch

From a3698dc952fce0d07628133e987b7b43ed6e1157 Mon Sep 17 00:00:00 2001
From: Rouven Czerwinski <rouven@czerwinskis.de>
Date: Sun, 9 Sep 2018 20:08:40 +0200
Subject: [PATCH] serial/rfc2217: add timeout.setter for rfc2217

Add a new setter method for the timeout property which does not invoke
the port reconfiguration.
This is a direct copy of the SerialBase timeout property without the port
reconfiguration.

Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
---
 serial/rfc2217.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/serial/rfc2217.py b/serial/rfc2217.py
index d962c1e8..12615cf3 100644
--- a/serial/rfc2217.py
+++ b/serial/rfc2217.py
@@ -722,5 +722,22 @@ def cd(self):
             raise portNotOpenError
         return bool(self.get_modem_state() & MODEMSTATE_MASK_CD)

+    @property
+    def timeout(self):
+        """Get the current timeout setting."""
+        return self._timeout
+
+    @timeout.setter
+    def timeout(self, timeout):
+        """Change timeout setting."""
+        if timeout is not None:
+            try:
+                timeout + 1     # test if it's a number, will throw a TypeError if not...
+            except TypeError:
+                raise ValueError("Not a valid timeout: {!r}".format(timeout))
+            if timeout < 0:
+                raise ValueError("Not a valid timeout: {!r}".format(timeout))
+        self._timeout = timeout
+
     # - - - platform specific - - -
     # None so far