[pypy-svn] r39677 - pypy/dist/pypy/module/readline

[arigo at codespeak.net]

Author: arigo
Date: Fri Mar  2 14:54:30 2007
New Revision: 39677

Modified:
   pypy/dist/pypy/module/readline/c_readline.py
Log:
(hpk, arigo)

Add history to the pypy-c prompt.


Modified: pypy/dist/pypy/module/readline/c_readline.py
==============================================================================
--- pypy/dist/pypy/module/readline/c_readline.py	(original)
+++ pypy/dist/pypy/module/readline/c_readline.py	Fri Mar  2 14:54:30 2007
@@ -9,7 +9,7 @@
 #
 class CConfig:
     _header_ = ""
-    _includes_ = ["readline/readline.h"]
+    _includes_ = ["readline/readline.h", "readline/history.h"]
     readline = Library('readline')
 
 cconfig = configure(CConfig)
@@ -27,11 +27,27 @@
 c_rl_initialize.argtypes = []
 c_rl_initialize.restype = None
 
+# void using_history(void)
+c_using_history = libreadline.using_history
+c_using_history.argtypes = []
+c_using_history.restype = None
+
+# void add_history(const char *)
+c_add_history = libreadline.add_history
+c_add_history.argtypes = [c_char_p]
+c_add_history.restype = None
+
 
 #------------------------------------------------------------
 # special initialization of readline 
 
+class ReadlineState(object):
+    lastline = ""        # XXX possibly temporary hack
+readlinestate = ReadlineState()
+
 def setup_readline(space, w_module):
+    c_using_history()
+    # XXX CPython initializes more stuff here
     c_rl_initialize()
     # install sys.__raw_input__, a hook that will be used by raw_input()
     space.setitem(space.sys.w_dict, space.wrap('__raw_input__'),
@@ -41,6 +57,10 @@
     res = c_readline(prompt)
     if res is None:
         raise OperationError(space.w_EOFError, space.w_None)
+    if res and res != readlinestate.lastline:
+        readlinestate.lastline = res
+        c_add_history(res)
     return space.wrap(res)
+
 readline_func.unwrap_spec = [ObjSpace, str]
 app_readline_func = interp2app(readline_func)