dev-python/feedparser: Port to py3.9

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/feedparser/feedparser-6.0.0_beta1.ebuild

@@ -3,7 +3,7 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python3_{6..8} pypy3 )
+PYTHON_COMPAT=( python3_{6..9} pypy3 )
 
 inherit distutils-r1
 
@@ -24,6 +24,10 @@ RDEPEND="dev-python/sgmllib3k[${PYTHON_USEDEP}]"
 
 distutils_enable_tests unittest
 
+PATCHES=(
+	"${FILESDIR}"/${P}-py39.patch
+)
+
 src_prepare() {
 	# broken
 	rm \

dev-python/feedparser/files/feedparser-6.0.0_beta1-py39.patch

@@ -0,0 +1,89 @@
+From fa587d171aed1b44ee06af271d718ab6fa73b77a Mon Sep 17 00:00:00 2001
+From: Karthikeyan Singaravelan <tir.karthi@gmail.com>
+Date: Wed, 26 Feb 2020 22:06:39 +0530
+Subject: [PATCH 1/2] Use encodebytes instead of encodestring in Python 3.9.
+
+---
+ feedparser/http.py  | 5 ++++-
+ feedparser/mixin.py | 5 ++++-
+ 2 files changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/feedparser/http.py b/feedparser/http.py
+index 272faad6..53511f02 100644
+--- a/feedparser/http.py
++++ b/feedparser/http.py
+@@ -73,7 +73,10 @@ class request(object):
+ 
+ # Python 3.1 deprecated decodestring in favor of decodebytes.
+ # This can be removed after Python 2.7 support is dropped.
+-_base64decode = getattr(base64, 'decodebytes', base64.decodestring)
++try:
++    _base64decode = base64.decodebytes
++except AttributeError:
++    _base64decode = base64.decodestring
+ 
+ try:
+     basestring
+diff --git a/feedparser/mixin.py b/feedparser/mixin.py
+index 1b0dc1ae..549931f5 100644
+--- a/feedparser/mixin.py
++++ b/feedparser/mixin.py
+@@ -50,7 +50,10 @@
+ 
+ # Python 2.7 only offers "decodestring()".
+ # This name substitution can be removed when Python 2.7 support is dropped.
+-_base64decode = getattr(base64, 'decodebytes', base64.decodestring)
++try:
++    _base64decode = base64.decodebytes
++except AttributeError:
++    _base64decode = base64.decodestring
+ 
+ 
+ bytes_ = type(b'')
+
+From 7798957b66c9cee00db9a18f84c518cacf8f14aa Mon Sep 17 00:00:00 2001
+From: Karthikeyan Singaravelan <tir.karthi@gmail.com>
+Date: Sun, 17 May 2020 14:25:17 +0000
+Subject: [PATCH 2/2] Use base64.decodebytes only in Python 3
+
+---
+ feedparser/http.py  | 7 +------
+ feedparser/mixin.py | 7 +------
+ 2 files changed, 2 insertions(+), 12 deletions(-)
+
+diff --git a/feedparser/http.py b/feedparser/http.py
+index 53511f02..1119cb3b 100644
+--- a/feedparser/http.py
++++ b/feedparser/http.py
+@@ -71,12 +71,7 @@ class request(object):
+ from .datetimes import _parse_date
+ from .urls import convert_to_idn
+ 
+-# Python 3.1 deprecated decodestring in favor of decodebytes.
+-# This can be removed after Python 2.7 support is dropped.
+-try:
+-    _base64decode = base64.decodebytes
+-except AttributeError:
+-    _base64decode = base64.decodestring
++_base64decode = base64.decodebytes
+ 
+ try:
+     basestring
+diff --git a/feedparser/mixin.py b/feedparser/mixin.py
+index 549931f5..119fa4ca 100644
+--- a/feedparser/mixin.py
++++ b/feedparser/mixin.py
+@@ -48,12 +48,7 @@
+ from .urls import _urljoin, make_safe_absolute_uri, resolve_relative_uris
+ 
+ 
+-# Python 2.7 only offers "decodestring()".
+-# This name substitution can be removed when Python 2.7 support is dropped.
+-try:
+-    _base64decode = base64.decodebytes
+-except AttributeError:
+-    _base64decode = base64.decodestring
++_base64decode = base64.decodebytes
+ 
+ 
+ bytes_ = type(b'')