https://github.com/python/cpython/commit/44eafd66882589d4f4eb569d70c49724da3e9291
commit: 44eafd66882589d4f4eb569d70c49724da3e9291
branch: main
author: Victor Stinner <[email protected]>
committer: vstinner <[email protected]>
date: 2024-06-26T15:41:16+02:00
summary:
gh-121008: Fix idlelib.run tests (#121046)
When testing IDLE, don't create a Tk to avoid side effects such as
installing a PyOS_InputHook hook.
files:
M Lib/idlelib/run.py
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 53e80a9b42801f..8974b52674fb8c 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -91,13 +91,20 @@ def capture_warnings(capture):
_warnings_showwarning = None
capture_warnings(True)
-tcl = tkinter.Tcl()
-def handle_tk_events(tcl=tcl):
- """Process any tk events that are ready to be dispatched if tkinter
- has been imported, a tcl interpreter has been created and tk has been
- loaded."""
- tcl.eval("update")
+if idlelib.testing:
+ # gh-121008: When testing IDLE, don't create a Tk object to avoid side
+ # effects such as installing a PyOS_InputHook hook.
+ def handle_tk_events():
+ pass
+else:
+ tcl = tkinter.Tcl()
+
+ def handle_tk_events(tcl=tcl):
+ """Process any tk events that are ready to be dispatched if tkinter
+ has been imported, a tcl interpreter has been created and tk has been
+ loaded."""
+ tcl.eval("update")
# Thread shared globals: Establish a queue between a subthread (which handles
# the socket) and the main thread (which runs user code), plus global
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