fix(packages): make zerorpc work with Debian trixie

zerorpc was using methods future.utils to be compatible with both Python
2.x and 3.x but Debian trixie does not ship python3-future. Replace uses
of the future module with (hopefully) equivalent Python 3.x constructs.

Signed-off-by: Cedric Hombourger <[email protected]>

meta-isar/recipes-python/zerorpc/files/0002-do-not-use-future.patch

@@ -0,0 +1,75 @@
+License and copyright for files modified by this patch:
+
+SPDX-License-Identifier: MIT
+Copyright (c) 2015 François-Xavier Bourlet ([email protected])
+
+Index: zerorpc-0.6.3/zerorpc/context.py
+===================================================================
+--- zerorpc-0.6.3.orig/zerorpc/context.py
++++ zerorpc-0.6.3/zerorpc/context.py
+@@ -23,9 +23,6 @@
+ # SOFTWARE.
+
+
+-from __future__ import absolute_import
+-from future.utils import tobytes
+-
+ import uuid
+ import random
+
+@@ -103,7 +100,7 @@ class Context(zmq.Context):
+         return Context._instance
+
+     def _reset_msgid(self):
+-        self._msg_id_base = tobytes(uuid.uuid4().hex)[8:]
++        self._msg_id_base = uuid.uuid4().hex[8:].encode('ascii')
+         self._msg_id_counter = random.randrange(0, 2 ** 32)
+         self._msg_id_counter_stop = random.randrange(self._msg_id_counter, 2 ** 32)
+
+@@ -112,7 +109,7 @@ class Context(zmq.Context):
+             self._reset_msgid()
+         else:
+             self._msg_id_counter = (self._msg_id_counter + 1)
+-        return tobytes('{0:08x}'.format(self._msg_id_counter)) + self._msg_id_base
++        return f'{self._msg_id_counter:08x}'.encode('ascii') + self._msg_id_base
+
+     def register_middleware(self, middleware_instance):
+         registered_count = 0
+Index: zerorpc-0.6.3/zerorpc/core.py
+===================================================================
+--- zerorpc-0.6.3.orig/zerorpc/core.py
++++ zerorpc-0.6.3/zerorpc/core.py
+@@ -23,10 +23,8 @@
+ # SOFTWARE.
+
+
+-from __future__ import absolute_import
+ from builtins import str
+ from builtins import zip
+-from future.utils import iteritems
+
+ import sys
+ import traceback
+@@ -67,7 +65,7 @@ class ServerBase(object):
+         self._inject_builtins()
+         self._heartbeat_freq = heartbeat
+
+-        for (k, functor) in iteritems(self._methods):
++        for (k, functor) in self._methods.items():
+             if not isinstance(functor, DecoratorBase):
+                 self._methods[k] = rep(functor)
+
+@@ -102,11 +100,11 @@ class ServerBase(object):
+         return r
+
+     def _zerorpc_inspect(self):
+-        methods = dict((m, f) for m, f in iteritems(self._methods)
++        methods = dict((m, f) for m, f in self._methods.items()
+                     if not m.startswith('_'))
+         detailled_methods = dict((m,
+             dict(args=self._format_args_spec(f._zerorpc_args()),
+-                doc=f._zerorpc_doc())) for (m, f) in iteritems(methods))
++                doc=f._zerorpc_doc())) for (m, f) in methods.items())
+         return {'name': self._name,
+                 'methods': detailled_methods}
+

meta-isar/recipes-python/zerorpc/files/zerorpc-0.6.3/debian/changelog

@@ -1,3 +1,9 @@
+zerorpc-python (0.6.3-6) testing; urgency=low
+
+  * Remove use of the future module since not supported in Debian trixie
+
+ -- Cedric Hombourger <[email protected]>  Mon, 06 Jan 2024 15:30:00 +0100
+
 zerorpc-python (0.6.3-5) testing; urgency=low
 
   * Pull fix submitted upstream for zerorpc to work with pyzmq 23.0.0 (issue #251)

meta-isar/recipes-python/zerorpc/zerorpc-python_0.6.3.bb

@@ -10,9 +10,10 @@ inherit dpkg
 SRC_URI = " \
     https://files.pythonhosted.org/packages/73/ff/d61ef9f5d10e671421d1368e87d3525325483ebd7da262b1d3087443662b/zerorpc-${PV}.tar.gz \
     file://0001-gevent_zmq-import-enums-from-pyzmq-23.0.0.patch \
+    file://0002-do-not-use-future.patch \
     file://zerorpc-${PV}/debian \
 "
 
-PR = "5"
+PR = "6"
 S = "${WORKDIR}/zerorpc-${PV}"
 SRC_URI[sha256sum] = "d2ee247a566fc703f29c277d767f6f61f1e12f76d0402faea4bd815f32cbf37f"