Tweak curses.wrapper so it initializes colors if they are available.

eric-s-raymond · eric-s-raymond · commit 1ebd3f6c4bf8 · 2000-08-09T21:11:07.000Z
diff --git a/Doc/lib/libcurses.tex b/Doc/lib/libcurses.tex
@@ -1300,8 +1300,9 @@ \section{\module{curses.wrapper} ---
 \function{wrapper()}.
 \end{funcdesc}
 
-Before calling the hook function, \function{wrapper()} turns on
-cbreak mode, turns off echo, and enables the terminal keypad.  On
-exit (whether normally or by exception) it restores cooked mode, 
-turns on echo, and disables the terminal keypad.
+Before calling the hook function, \function{wrapper()} turns on cbreak
+mode, turns off echo, enables the terminal keypad, and initializes
+colors if the terminal has color support.  On exit (whether normally
+or by exception) it restores cooked mode, turns on echo, and disables
+the terminal keypad.
 
diff --git a/Lib/curses/wrapper.py b/Lib/curses/wrapper.py
@@ -32,6 +32,15 @@ def wrapper(func, *rest):
 	# a special value like curses.KEY_LEFT will be returned
         stdscr.keypad(1)
 
+        # Start color, too.  Harmless if the terminal doesn't have
+        # color; user can test with has_color() later on.  The try/catch
+        # works around a minor bit of over-conscientiousness in the curses
+        # module -- the error return from C start_color() is ignorable.
+        try:
+            curses.start_color()
+        except:
+            pass
+
         res = apply(func, (stdscr,) + rest)
     except:
 	# In the event of an error, restore the terminal
diff --git a/configure.in b/configure.in
@@ -1014,6 +1014,12 @@ AC_SUBST(HAVE_GETHOSTBYNAME)
 # checks for system services
 # (none yet)
 
+# Cope with the DB mess.  If we detect libdba, assume it's a version 2
+# or later DB and should be linked first (before the DB 1.xx stuff in glibc).
+# Also define an appropriate symbol so we can conditionalize code in the
+# dbmmodule; the API has changed since 1.xx.
+AC_CHECK_LIB(dba, __db_mutex_lock)
+
 # Linux requires this for correct f.p. operations
 AC_CHECK_FUNC(__fpu_control,
   [],
