Merge pull request #93 from cstsunfu/master

editable default input value in the command line command

bin/asynctask.py

@@ -34,6 +34,8 @@
 
 UNIX = (sys.platform[:3] != 'win') and True or False
 
+if UNIX:
+    import readline
 
 #----------------------------------------------------------------------
 # macros
@@ -928,9 +930,17 @@ def _handle_input (self, varname):
                 return shadow[name]
         if ',' not in tail:
             prompt = 'Input argument (%s): '%name
-            text = self.raw_input(prompt)
-            if not text:
-                text = tail.strip()
+            if UNIX: # for linux like system, using readline for editable default value
+                text = ''
+                try:
+                    readline.set_startup_hook(lambda: readline.insert_text(tail))
+                    text = self.raw_input(prompt)
+                finally:
+                    readline.set_startup_hook()
+            else:
+                text = self.raw_input(prompt)
+                if not text:
+                    text = tail.strip()
         else:
             select = []
             for part in tail.split(','):