bpo-29446: tkinter 'import *' only imports what it should (GH-14864)

Add __all__ to tkinter.__init__ and submodules.  Replace 'import *'
with explicit imports in some submodules.

1 files changed, 5 insertions, 1 deletions

diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
index 57d5b25..9626a27 100644
--- a/Lib/tkinter/__init__.py
+++ b/Lib/tkinter/__init__.py
@@ -32,13 +32,13 @@ tk.mainloop()
 
 import enum
 import sys
+import types
 
 import _tkinter # If this fails your Python may not be configured for Tk
 TclError = _tkinter.TclError
 from tkinter.constants import *
 import re
 
-
 wantobjects = 1
 
 TkVersion = float(_tkinter.TK_VERSION)
@@ -4569,5 +4569,9 @@ def _test():
     root.mainloop()
 
 
+__all__ = [name for name, obj in globals().items()
+           if not name.startswith('_') and not isinstance(obj, types.ModuleType)
+           and name not in {'wantobjects'}]
+
 if __name__ == '__main__':
     _test()