dup fds for UnixConsole and ad check for closed stdout to flishing, fixes #1

Author: RonnyPfannschmidt

pyrepl/python_reader.py

@@ -192,7 +192,8 @@ def execute(self, text):
             self.showsyntaxerror("<input>")
         else:
             self.runcode(code)
-            sys.stdout.flush()
+            if sys.stdout and not sys.stdout.closed:
+                sys.stdout.flush()
 
     def interact(self):
         while 1:
@@ -382,7 +383,7 @@ def main(use_pygame_console=0, interactmethod=default_interactmethod, print_bann
                         encoding = None
                 else:
                     encoding = None # so you get ASCII...
-            con = UnixConsole(0, 1, None, encoding)
+            con = UnixConsole(os.dup(0), os.dup(1), None, encoding)
         if print_banner:
             print("Python", sys.version, "on", sys.platform)
             print('Type "help", "copyright", "credits" or "license" '\

pyrepl/readline.py

@@ -174,13 +174,15 @@ def do(self):
 # ____________________________________________________________
 
 class _ReadlineWrapper(object):
-    f_in = 0
-    f_out = 1
     reader = None
     saved_history_length = -1
     startup_hook = None
     config = ReadlineConfig()
 
+    def __init__(self):
+        self.f_in = os.dup(0)
+        self.f_ut = os.dup(1)
+
     def get_reader(self):
         if self.reader is None:
             console = UnixConsole(self.f_in, self.f_out, encoding=ENCODING)