bpo-35283: Add pending deprecation warning for Thread.isAlive (GH-11604)
Add a pending deprecated warning for the threading.Thread.isAlive() method.
diff --git a/Lib/threading.py b/Lib/threading.py
index bb41456..f260a7c 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -1007,7 +1007,7 @@
When the timeout argument is present and not None, it should be a
floating point number specifying a timeout for the operation in seconds
(or fractions thereof). As join() always returns None, you must call
- isAlive() after join() to decide whether a timeout happened -- if the
+ is_alive() after join() to decide whether a timeout happened -- if the
thread is still alive, the join() call timed out.
When the timeout argument is not present or None, the operation will
@@ -1091,7 +1091,15 @@
self._wait_for_tstate_lock(False)
return not self._is_stopped
- isAlive = is_alive
+ def isAlive(self):
+ """Return whether the thread is alive.
+
+ This method is deprecated, use is_alive() instead.
+ """
+ import warnings
+ warnings.warn('isAlive() is deprecated, use is_alive() instead',
+ PendingDeprecationWarning, stacklevel=2)
+ return self.is_alive()
@property
def daemon(self):