dev-python/moto: Port to py3.9

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

dev-python/moto/files/moto-1.3.14-py39.patch

@@ -0,0 +1,38 @@
+From af66a281ee2bcc7cc6c48bb3c8d033d385c12875 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
+Date: Sun, 14 Jun 2020 12:31:00 +0200
+Subject: [PATCH] Fix use of base64.decodestring() in tests
+
+Use base64.decodebytes() instead of deprecated/removed .decodestring()
+in test_user_data_with_run_instance().  Fixes tests on py3.9.
+---
+ tests/test_ec2/test_instances.py | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/tests/test_ec2/test_instances.py b/tests/test_ec2/test_instances.py
+index 041bc8c8..1def1734 100644
+--- a/tests/test_ec2/test_instances.py
++++ b/tests/test_ec2/test_instances.py
+@@ -9,6 +9,7 @@ from nose.tools import assert_raises
+ import base64
+ import datetime
+ import ipaddress
++import sys
+ 
+ import six
+ import boto
+@@ -765,7 +766,10 @@ def test_user_data_with_run_instance():
+     instance_attribute = instance.get_attribute("userData")
+     instance_attribute.should.be.a(InstanceAttribute)
+     retrieved_user_data = instance_attribute.get("userData").encode("utf-8")
+-    decoded_user_data = base64.decodestring(retrieved_user_data)
++    if sys.version_info[0] == 2:
++        decoded_user_data = base64.decodestring(retrieved_user_data)
++    else:
++        decoded_user_data = base64.decodebytes(retrieved_user_data)
+     decoded_user_data.should.equal(b"some user data")
+ 
+ 
+-- 
+2.27.0
+

dev-python/moto/moto-1.3.14-r1.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_{6,7,8} )
+PYTHON_COMPAT=( python3_{6..9} )
 DISTUTILS_USE_SETUPTOOLS=rdepend
 inherit distutils-r1
 
@@ -59,6 +59,7 @@ BDEPEND="
 PATCHES=(
 	"${FILESDIR}/moto-1.3.14-newer-botocore.patch"
 	"${FILESDIR}/moto-1.3.14-tests.patch"
+	"${FILESDIR}/moto-1.3.14-py39.patch"
 )
 
 distutils_enable_tests nose