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-rw-r--r--Doc/library/tkinter.rst4
-rw-r--r--Lib/tkinter/__main__.py7
-rw-r--r--Misc/NEWS2
3 files changed, 12 insertions, 1 deletions
diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst
index 7bb54fd..cf92ed4 100644
--- a/Doc/library/tkinter.rst
+++ b/Doc/library/tkinter.rst
@@ -9,7 +9,9 @@
The :mod:`tkinter` package ("Tk interface") is the standard Python interface to
the Tk GUI toolkit. Both Tk and :mod:`tkinter` are available on most Unix
platforms, as well as on Windows systems. (Tk itself is not part of Python; it
-is maintained at ActiveState.)
+is maintained at ActiveState.) You can check that :mod:`tkinter` is properly
+installed on your system by running ``python -m tkinter`` from the command line;
+this should open a window demonstrating a simple Tk interface.
.. seealso::
diff --git a/Lib/tkinter/__main__.py b/Lib/tkinter/__main__.py
new file mode 100644
index 0000000..757880d
--- /dev/null
+++ b/Lib/tkinter/__main__.py
@@ -0,0 +1,7 @@
+"""Main entry point"""
+
+import sys
+if sys.argv[0].endswith("__main__.py"):
+ sys.argv[0] = "python -m tkinter"
+from . import _test as main
+main()
diff --git a/Misc/NEWS b/Misc/NEWS
index a6a7c20..3f565f6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -473,6 +473,8 @@ C-API
Library
-------
+- Issue #9384: python -m tkinter will now display a simple demo applet.
+
- The default size of the re module's compiled regular expression cache has
been increased from 100 to 500 and the cache replacement policy has changed
from simply clearing the entire cache on overflow to randomly forgetting 20%