Add patch for Python 3.8 support

https://github.com/tiran/defusedxml/pull/35

python-defusedxml.spec

@@ -19,6 +19,7 @@ Summary:        XML bomb protection for Python stdlib modules
 License:        Python
 URL:            https://github.com/tiran/defusedxml
 Source0:        https://files.pythonhosted.org/packages/source/d/%{pypi_name}/%{pypi_name}-%{version}.tar.gz
+Patch1:         %{url}/pull/35/commits/730872cc3a8a4467e9c7fa07063bfa9b20a790c5.patch#/python38.patch
 
 BuildArch:      noarch
 
@@ -81,7 +82,7 @@ module. This is the python%{python3_other_pkgversion} build.
 %endif # with_python3
 
 %prep
-%setup -q -n %{pypi_name}-%{version}
+%autosetup -p1 -n %{pypi_name}-%{version}
 
 %build
 %py2_build

python38.patch

@@ -0,0 +1,33 @@
+From 730872cc3a8a4467e9c7fa07063bfa9b20a790c5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
+Date: Wed, 10 Apr 2019 13:56:16 +0200
+Subject: [PATCH] Handle Python 3.8 XMLParser html argument removal
+
+Fixes https://github.com/tiran/defusedxml/issues/34
+---
+ defusedxml/ElementTree.py | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/defusedxml/ElementTree.py b/defusedxml/ElementTree.py
+index 41b2ea8..5c49c4e 100644
+--- a/defusedxml/ElementTree.py
++++ b/defusedxml/ElementTree.py
+@@ -61,11 +61,15 @@ def _get_py3_cls():
+ 
+ class DefusedXMLParser(_XMLParser):
+ 
+-    def __init__(self, html=0, target=None, encoding=None,
++    def __init__(self, html=None, target=None, encoding=None,
+                  forbid_dtd=False, forbid_entities=True,
+                  forbid_external=True):
+-        # Python 2.x old style class
+-        _XMLParser.__init__(self, html, target, encoding)
++        # Since Python 3.8, the html argument is not supported,
++        # so we only pass it when we got it - the TypeError will propagate
++        if html is None:
++            _XMLParser.__init__(self, target=target, encoding=encoding)
++        else:
++            _XMLParser.__init__(self, html, target=target, encoding=encoding)
+         self.forbid_dtd = forbid_dtd
+         self.forbid_entities = forbid_entities
+         self.forbid_external = forbid_external