Deprecate support for eventlet and gevent

jodal · Nov 26, 2020 · 151df7d · 151df7d
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diff --git a/docs/changes.rst b/docs/changes.rst
@@ -6,6 +6,14 @@ Changes
 v2.0.3 (UNRELEASED)
 ===================
 
+- Mark eventlet and gevent support as deprecated. The support will be removed
+  in Pykka 3.0.
+
+  These where somewhat interesting ways to implement
+  concurrency in Python when Pykka was conceived in 2011. Today, it is
+  unclear it these libraries still have any mindshare or if keeping the
+  support for them just adds an unecessary burden to Pykka's maintenance.
+
 - Include Python 3.9 in the test matrix. (PR: :issue:`98`)
 
 - Add missing :class:`None` default value for the ``timeout`` keyword argument to

diff --git a/docs/runtimes/eventlet.rst b/docs/runtimes/eventlet.rst
@@ -2,6 +2,11 @@
 eventlet
 ========
 
+.. deprecated:: 2.0.3
+
+.. warning::
+   eventlet support is deprecated and will be removed in Pykka 3.0.
+
 
 Installation
 ============

diff --git a/docs/runtimes/gevent.rst b/docs/runtimes/gevent.rst
@@ -2,6 +2,11 @@
 gevent
 ======
 
+.. deprecated:: 2.0.3
+
+.. warning::
+   gevent support is deprecated and will be removed in Pykka 3.0.
+
 
 Installation
 ============

diff --git a/pykka/eventlet.py b/pykka/eventlet.py
@@ -1,6 +1,7 @@
 from __future__ import absolute_import
 
 import sys
+import warnings
 
 import eventlet
 import eventlet.event
@@ -12,6 +13,12 @@
 __all__ = ['EventletActor', 'EventletEvent', 'EventletFuture']
 
 
+warnings.warn(
+    "eventlet support is deprecated and will be removed in Pykka 3.0.",
+    DeprecationWarning,
+)
+
+
 class EventletEvent(eventlet.event.Event):
     """
     :class:`EventletEvent` adapts :class:`eventlet.event.Event` to

diff --git a/pykka/gevent.py b/pykka/gevent.py
@@ -1,6 +1,7 @@
 from __future__ import absolute_import
 
 import sys
+import warnings
 
 import gevent
 import gevent.event
@@ -12,6 +13,12 @@
 __all__ = ['GeventActor', 'GeventFuture']
 
 
+warnings.warn(
+    "eventlet support is deprecated and will be removed in Pykka 3.0.",
+    DeprecationWarning,
+)
+
+
 class GeventFuture(Future):
     """
     :class:`GeventFuture` implements :class:`pykka.Future` for use with