dev-python/boto: Sync with Gentoo

It's from gentoo commit 99e8a93d029cb2370fb08397cdb6cd7b459b2353.

sdk_container/src/third_party/coreos-overlay/dev-python/boto/boto-2.49.0-r4.ebuild

@@ -3,7 +3,7 @@
 
 EAPI="7"
 
-PYTHON_COMPAT=( python3_{7..9} )
+PYTHON_COMPAT=( python3_{8..10} )
 DISTUTILS_USE_SETUPTOOLS=bdepend
 
 inherit distutils-r1
@@ -14,7 +14,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64 arm arm64 ppc ~ppc64 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
+KEYWORDS="amd64 arm arm64 ppc ~ppc64 ~riscv sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
 
 PATCHES=(
 	# taken from https://bugs.debian.org/909545
@@ -24,6 +24,7 @@ PATCHES=(
 	"${FILESDIR}"/${P}-py3-httplib-strict.patch
 	"${FILESDIR}"/${P}-py3-server-port.patch
 	"${FILESDIR}"/${P}-unbundle-six.patch
+	"${FILESDIR}"/${P}-py310.patch
 )
 
 RDEPEND=">=dev-python/six-1.12.0[${PYTHON_USEDEP}]"
@@ -50,12 +51,6 @@ src_prepare() {
 	# fix tests
 	mkdir -p "${HOME}"/.ssh || die
 	: > "${HOME}"/.ssh/known_hosts || die
-	# Flatcar: Do not import boto only for the version number in
-	# setup.py - it ends up trying to import six, which we have
-	# unbundled and the six module effectively becomes a BDEPEND
-	# instead of RDEPEND. Drop the import and define the
-	# __variable__ instead.
-	sed -i -e 's/^from boto import __version__$/__version__ = '"'${PV}'"'/' setup.py
 
 	distutils-r1_src_prepare
 }

sdk_container/src/third_party/coreos-overlay/dev-python/boto/files/boto-2.49.0-py310.patch

@@ -0,0 +1,44 @@
+diff --git a/boto/dynamodb/types.py b/boto/dynamodb/types.py
+index d9aaaa4c..3f8d8601 100644
+--- a/boto/dynamodb/types.py
++++ b/boto/dynamodb/types.py
+@@ -27,7 +27,7 @@ Python types and vice-versa.
+ import base64
+ from decimal import (Decimal, DecimalException, Context,
+                      Clamped, Overflow, Inexact, Underflow, Rounded)
+-from collections import Mapping
++from collections.abc import Mapping
+ from boto.dynamodb.exceptions import DynamoDBNumberError
+ from boto.compat import filter, map, six, long_type
+ 
+diff --git a/boto/mws/connection.py b/boto/mws/connection.py
+index 687fae74..3a1f5f80 100644
+--- a/boto/mws/connection.py
++++ b/boto/mws/connection.py
+@@ -21,7 +21,7 @@
+ import xml.sax
+ import hashlib
+ import string
+-import collections
++import collections.abc
+ from boto.connection import AWSQueryConnection
+ from boto.exception import BotoServerError
+ import boto.mws.exception
+@@ -109,7 +109,7 @@ def http_body(field):
+ def destructure_object(value, into, prefix, members=False):
+     if isinstance(value, boto.mws.response.ResponseElement):
+         destructure_object(value.__dict__, into, prefix, members=members)
+-    elif isinstance(value, collections.Mapping):
++    elif isinstance(value, collections.abc.Mapping):
+         for name in value:
+             if name.startswith('_'):
+                 continue
+@@ -117,7 +117,7 @@ def destructure_object(value, into, prefix, members=False):
+                                members=members)
+     elif isinstance(value, six.string_types):
+         into[prefix] = value
+-    elif isinstance(value, collections.Iterable):
++    elif isinstance(value, collections.abc.Iterable):
+         for index, element in enumerate(value):
+             suffix = (members and '.member.' or '.') + str(index + 1)
+             destructure_object(element, into, prefix + suffix,