From f4afe0ce199d47184e23363f470b5faa7c0517be Mon Sep 17 00:00:00 2001
From: Joel Bender <jjb5@cornell.edu>
Date: Thu, 28 Jan 2016 14:13:28 -0500
Subject: [PATCH] check to see if the application is running interactively
 (using isatty) and be a little quieter

---
 py25/bacpypes/consolecmd.py | 20 ++++++++++++++++----
 py27/bacpypes/consolecmd.py | 20 ++++++++++++++++----
 py34/bacpypes/consolecmd.py | 20 ++++++++++++++++----
 3 files changed, 48 insertions(+), 12 deletions(-)

diff --git a/py25/bacpypes/consolecmd.py b/py25/bacpypes/consolecmd.py
index a05ee1c..e6d109b 100755
--- a/py25/bacpypes/consolecmd.py
+++ b/py25/bacpypes/consolecmd.py
@@ -44,8 +44,16 @@ class ConsoleCmd(cmd.Cmd, Thread, Logging):
         cmd.Cmd.__init__(self, stdin=stdin, stdout=stdout)
         Thread.__init__(self, name="ConsoleCmd")
 
-        # save the prompt and exec option
-        self.prompt = prompt
+        # check to see if this is running interactive
+        self.interactive = sys.__stdin__.isatty()
+
+        # save the prompt for interactive sessions, otherwise be quiet
+        if self.interactive:
+            self.prompt = prompt
+        else:
+            self.prompt = ''
+
+        # save the exec option
         self.allow_exec = allow_exec
 
         # gc counters
@@ -272,9 +280,13 @@ class ConsoleCmd(cmd.Cmd, Thread, Logging):
             if not isinstance(err, IOError):
                 self.stdout.write("history error: %s\n" % err)
 
-        cmd.Cmd.postloop(self)   ## Clean up command completion
+        # clean up command completion
+        cmd.Cmd.postloop(self)
 
-        self.stdout.write("Exiting...\n")
+        if self.interactive:
+            self.stdout.write("Exiting...\n")
+
+        # tell the core we have stopped
         core.stop()
 
     def precmd(self, line):
diff --git a/py27/bacpypes/consolecmd.py b/py27/bacpypes/consolecmd.py
index ae32b4f..985290b 100755
--- a/py27/bacpypes/consolecmd.py
+++ b/py27/bacpypes/consolecmd.py
@@ -45,8 +45,16 @@ class ConsoleCmd(cmd.Cmd, Thread, Logging):
         cmd.Cmd.__init__(self, stdin=stdin, stdout=stdout)
         Thread.__init__(self, name="ConsoleCmd")
 
-        # save the prompt and exec option
-        self.prompt = prompt
+        # check to see if this is running interactive
+        self.interactive = sys.__stdin__.isatty()
+
+        # save the prompt for interactive sessions, otherwise be quiet
+        if self.interactive:
+            self.prompt = prompt
+        else:
+            self.prompt = ''
+
+        # save the exec option
         self.allow_exec = allow_exec
 
         # gc counters
@@ -273,9 +281,13 @@ class ConsoleCmd(cmd.Cmd, Thread, Logging):
             if not isinstance(err, IOError):
                 self.stdout.write("history error: %s\n" % err)
 
-        cmd.Cmd.postloop(self)   ## Clean up command completion
+        # clean up command completion
+        cmd.Cmd.postloop(self)
 
-        self.stdout.write("Exiting...\n")
+        if self.interactive:
+            self.stdout.write("Exiting...\n")
+
+        # tell the core we have stopped
         core.stop()
 
     def precmd(self, line):
diff --git a/py34/bacpypes/consolecmd.py b/py34/bacpypes/consolecmd.py
index a2b5828..6866b6b 100755
--- a/py34/bacpypes/consolecmd.py
+++ b/py34/bacpypes/consolecmd.py
@@ -45,8 +45,16 @@ class ConsoleCmd(cmd.Cmd, Thread, Logging):
         cmd.Cmd.__init__(self, stdin=stdin, stdout=stdout)
         Thread.__init__(self, name="ConsoleCmd")
 
-        # save the prompt and exec option
-        self.prompt = prompt
+        # check to see if this is running interactive
+        self.interactive = sys.__stdin__.isatty()
+
+        # save the prompt for interactive sessions, otherwise be quiet
+        if self.interactive:
+            self.prompt = prompt
+        else:
+            self.prompt = ''
+
+        # save the exec option
         self.allow_exec = allow_exec
 
         # gc counters
@@ -274,9 +282,13 @@ class ConsoleCmd(cmd.Cmd, Thread, Logging):
             if not isinstance(err, IOError):
                 self.stdout.write("history error: %s\n" % err)
 
-        cmd.Cmd.postloop(self)   ## Clean up command completion
+        # clean up command completion
+        cmd.Cmd.postloop(self)
 
-        self.stdout.write("Exiting...\n")
+        if self.interactive:
+            self.stdout.write("Exiting...\n")
+
+        # tell the core we have stopped
         core.stop()
 
     def precmd(self, line):