File python-genshi-py37-stopiteration.patch of Package python-Genshi

From 6fed7cdbf1b9f35fa085e22fc0d87d0614625313 Mon Sep 17 00:00:00 2001
From: Felix Schwarz <felix.schwarz@oss.schwarz.eu>
Date: Fri, 29 Jun 2018 08:58:18 +0200
Subject: [PATCH 1/2] catch StopIteration and use plain "return" (Python 3.7
 compatibility)

In Python 3.7 StopIteration exceptions are transformed to RuntimeErrors (PEP 479).

Probably we need to do this in more places but this gets the test suite passing
at least.
---
 genshi/core.py              | 5 ++++-
 genshi/filters/transform.py | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/genshi/core.py b/genshi/core.py
index 8c4c93d..d0e8ff6 100644
--- a/genshi/core.py
+++ b/genshi/core.py
@@ -270,7 +270,10 @@ COMMENT = Stream.COMMENT
 def _ensure(stream):
     """Ensure that every item on the stream is actually a markup event."""
     stream = iter(stream)
-    event = stream.next()
+    try:
+        event = stream.next()
+    except StopIteration:
+        return
 
     # Check whether the iterable is a real markup event stream by examining the
     # first item it yields; if it's not we'll need to do some conversion
diff --git a/genshi/filters/transform.py b/genshi/filters/transform.py
index 569fc05..d7475db 100644
--- a/genshi/filters/transform.py
+++ b/genshi/filters/transform.py
@@ -119,7 +119,7 @@ class PushBackStream(object):
                     yield event
                 except StopIteration:
                     if self.peek is None:
-                        raise
+                        return
 
 
 class Transformer(object):
-- 
2.17.1