[oe] [meta-python][PATCH] python3-twisted: fix broken MemoryReactor import

[Trevor Gamblin]

Twisted's application/runner/test/test_runner.py was trying to import
from a deprecated module and failing. The module import has been
corrected and accepted in Twisted upstream, but there's no release
with it yet for Yocto to upgrade to, hence the backport.

Signed-off-by: Trevor Gamblin <trevor.gamblin at windriver.com>
---
 .../python/python-twisted.inc                 |  5 +++
 ...r-import-in-test_runner-to-be-from-t.patch | 38 +++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 meta-python/recipes-devtools/python/python-twisted/0001-fix-MemoryReactor-import-in-test_runner-to-be-from-t.patch

diff --git a/meta-python/recipes-devtools/python/python-twisted.inc b/meta-python/recipes-devtools/python/python-twisted.inc
index 084123b97..d005a2ac2 100644
--- a/meta-python/recipes-devtools/python/python-twisted.inc
+++ b/meta-python/recipes-devtools/python/python-twisted.inc
@@ -7,6 +7,11 @@ HOMEPAGE = "http://www.twistedmatrix.com"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1743f12d8b8f5aec625c0569a058f0a6"
 
+# allow for common patches for python- and python3-twisted
+FILESEXTRAPATHS_prepend := "${THISDIR}/python-twisted:"
+
+SRC_URI += "file://0001-fix-MemoryReactor-import-in-test_runner-to-be-from-t.patch"
+
 SRC_URI[sha256sum] = "7394ba7f272ae722a74f3d969dcf599bc4ef093bc392038748a490f1724a515d"
 SRC_URI[md5sum] = "f2d70f7a66ecdf54152310164cceadfe"
 
diff --git a/meta-python/recipes-devtools/python/python-twisted/0001-fix-MemoryReactor-import-in-test_runner-to-be-from-t.patch b/meta-python/recipes-devtools/python/python-twisted/0001-fix-MemoryReactor-import-in-test_runner-to-be-from-t.patch
new file mode 100644
index 000000000..39fc7d43e
--- /dev/null
+++ b/meta-python/recipes-devtools/python/python-twisted/0001-fix-MemoryReactor-import-in-test_runner-to-be-from-t.patch
@@ -0,0 +1,38 @@
+From 754f21282ad2775db8ff501d40bbc497faeb17ba Mon Sep 17 00:00:00 2001
+From: Trevor Gamblin <trevor.gamblin at windriver.com>
+Date: Tue, 17 Dec 2019 15:09:22 -0500
+Subject: [PATCH] fix MemoryReactor import in test_runner to be from
+ twisted.internet.testing
+
+Upstream-Status: Backport [https://github.com/twisted/twisted/commit/754f21282ad2775db8ff501d40bbc497faeb17ba]
+
+Signed-off-by: Trevor Gamblin <trevor.gamblin at windriver.com>
+---
+ src/twisted/application/newsfragments/9746.misc    | 1 +
+ src/twisted/application/runner/test/test_runner.py | 2 +-
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+ create mode 100644 src/twisted/application/newsfragments/9746.misc
+
+diff --git a/src/twisted/application/newsfragments/9746.misc b/src/twisted/application/newsfragments/9746.misc
+new file mode 100644
+index 000000000..8b1378917
+--- /dev/null
++++ b/src/twisted/application/newsfragments/9746.misc
+@@ -0,0 +1 @@
++
+diff --git a/src/twisted/application/runner/test/test_runner.py b/src/twisted/application/runner/test/test_runner.py
+index 9abc3449a..cce495b12 100644
+--- a/src/twisted/application/runner/test/test_runner.py
++++ b/src/twisted/application/runner/test/test_runner.py
+@@ -15,7 +15,7 @@ from twisted.logger import (
+     LogLevel, LogPublisher, LogBeginner,
+     FileLogObserver, FilteringLogObserver, LogLevelFilterPredicate,
+ )
+-from twisted.test.proto_helpers import MemoryReactor
++from twisted.internet.testing import MemoryReactor
+ 
+ from ...runner import _runner
+ from .._exit import ExitStatus
+-- 
+2.24.1
+
-- 
2.24.1