fix stdout and stderr output in python2

addon/json.py

@@ -82,7 +82,7 @@ class JSON(Addon):
 
             print(jsonText)
         except Exception as e:
-            stderr(e)
+            stderrLine(e)
             print(text)
 
     def parse(self, repl, text):

addon/watch.py

@@ -83,7 +83,7 @@ class Watch(Addon):
                     p = os.popen(cmd)
                     value = float(p.read())
                 except Exception as e:
-                    stderr(e)
+                    stderrLine(e)
                     value = 0
                 slice[idx].append(value)
                 if len(slice[idx]) > number:

utils/__init__.py

@@ -1,7 +1,7 @@
 # -*- coding:utf-8 -*-
 
 from .context import ctx
-from .output import debug, stdout, stderr
+from .output import debug, stdout, stderr, stdoutLine, stderrLine
 from .flags import Flags, align
 from .i18n import I18n
 from .store import kvLoad, kvStore

utils/output.py

@@ -9,13 +9,23 @@ def debug(*args):
         print(" ".join(map(str, args)))
 
 
-def stdout(*args, end="\n"):
+def stdout(*args):
     sys.stdout.write(" ".join(map(str, args)))
-    sys.stdout.write(end)
     sys.stdout.flush()
 
 
-def stderr(*args, end="\n"):
+def stdoutLine(*args):
+    stdout(*args)
+    stdout("\n")
+    sys.stdout.flush()
+
+
+def stderr(*args):
     sys.stderr.write(" ".join(map(str, args)))
-    sys.stderr.write(end)
+    sys.stderr.flush()
+
+
+def stderrLine(*args):
+    stderr(*args)
+    stderr("\n")
     sys.stderr.flush()