"""echo "print 'test'" | bpython""" no longer breaks

bpython now checks if stdin is a tty and, if not, executes stdin through a
simple interpreter instance and exits.

CHANGELOG

@@ -9,6 +9,9 @@ Menno sent me some patches to fix some stuff:
 flush_output option added to config to control whether output is flushed to
 stdout or not on exit.
 
+Piping something to bpython made it lock up as stdin was not the keyboard -
+bpython just executes stdin and exits instead of trying to do something clever.
+
 v0.7.1
 ======
 Added support for a history file, defaults to ~/.pythonhist and 100 lines but

bpython/cli.py

@@ -45,7 +45,7 @@ import string
 import shlex
 import socket
 import pydoc
-import cStringIO
+from cStringIO import StringIO
 
 # These are used for syntax hilighting.
 from pygments import highlight
@@ -1715,7 +1715,13 @@ def main_curses(scr):
 
 
 def main():
+    if not os.isatty(sys.stdin.fileno()):
+        interpreter = code.InteractiveInterpreter()
+        interpreter.runsource(sys.stdin.read())
+        return
+
     tb = None
+
     try:
         o = curses.wrapper(main_curses)
     except: