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-rw-r--r--Lib/curses/__init__.py18
-rw-r--r--Lib/curses/wrapper.py50
2 files changed, 68 insertions, 0 deletions
diff --git a/Lib/curses/__init__.py b/Lib/curses/__init__.py
new file mode 100644
index 0000000..8e8f7d8
--- /dev/null
+++ b/Lib/curses/__init__.py
@@ -0,0 +1,18 @@
+"""curses
+
+The main package for curses support for Python. Normally used by importing
+the package, and perhaps a particular module inside it.
+
+ import curses
+ from curses import textpad
+ curses.initwin()
+ ...
+
+"""
+
+__revision__ = "$Id$"
+
+from _curses import *
+from curses.wrapper import wrapper
+
+
diff --git a/Lib/curses/wrapper.py b/Lib/curses/wrapper.py
new file mode 100644
index 0000000..1de17ee
--- /dev/null
+++ b/Lib/curses/wrapper.py
@@ -0,0 +1,50 @@
+"""curses.wrapper
+
+Contains one function, wrapper(), which runs another function which
+should be the rest of your curses-based application. If the
+application raises an exception, wrapper() will restore the terminal
+to a sane state so you can read the resulting traceback.
+
+"""
+
+import sys, curses
+
+def wrapper(func, *rest):
+ """Wrapper function that initializes curses and calls another function,
+ restoring normal keyboard/screen behavior on error.
+ The callable object 'func' is then passed the main window 'stdscr'
+ as its first argument, followed by any other arguments passed to
+ wrapper().
+ """
+
+ res = None
+ try:
+ # Initialize curses
+ stdscr=curses.initscr()
+ # Turn off echoing of keys, and enter cbreak mode,
+ # where no buffering is performed on keyboard input
+ curses.noecho() ; curses.cbreak()
+
+ # In keypad mode, escape sequences for special keys
+ # (like the cursor keys) will be interpreted and
+ # a special value like curses.KEY_LEFT will be returned
+ stdscr.keypad(1)
+
+ res = apply(func, (stdscr,) + rest)
+ except:
+ # In the event of an error, restore the terminal
+ # to a sane state.
+ stdscr.keypad(0)
+ curses.echo() ; curses.nocbreak()
+ curses.endwin()
+ # Pass the exception upwards
+ (exc_type, exc_value, exc_traceback) = sys.exc_info()
+ raise exc_type, exc_value, exc_traceback
+ else:
+ # Set everything back to normal
+ stdscr.keypad(0)
+ curses.echo() ; curses.nocbreak()
+ curses.endwin() # Terminate curses
+
+ return res
+