Replace all the platform-specific TERMIOS modules with a portable version
based on the termios module. The only added "feature" is the deprecation
warning it spits out.
diff --git a/Lib/TERMIOS.py b/Lib/TERMIOS.py
new file mode 100644
index 0000000..0b96e55
--- /dev/null
+++ b/Lib/TERMIOS.py
@@ -0,0 +1,17 @@
+"""Backward-compatibility version of TERMIOS; export constants exported by
+termios, and issue a deprecation warning.
+"""
+
+import warnings
+warnings.warn("the TERMIOS module is deprecated; please use termios",
+ DeprecationWarning)
+
+# Ignore further deprecation warnings about this module
+warnings.filterwarnings("ignore", "", DeprecationWarning, __name__)
+
+
+# Export the constants known to the termios module:
+from termios import *
+
+# and *only* the constants:
+__all__ = [s for s in dir() if s[0] in "ABCDEFGHIJKLMNOPQRSTUVWXYZ"]