Phlip wrote: > Groupies:
I smell a slight misperception of the audience you are addressing ;) > This is either a code snippet, if you like it, or a request for a > critique, if you don't. > > I want to call a command and then treat the communication with that > command as an object. And I want to do it as application-specifically > as possible. Anyone could think of a way to productize this: > > def command(*cmdz): > > process = Popen( flatten(cmdz), > shell= True, > stdout= subprocess.PIPE, > stderr= subprocess.PIPE, > bufsize= 4096 ) Protect your environment, don't let stderr pollute the nearby river ;) > def line(): > return process.stdout.readline().rstrip() > > def s(): > while True: > l = line() At that point l may be empty because you have read the output completely or because there was an empty line that you rstripped to look like the end of file. > if not l: break > yield l > > line.s = s > > return line I think you are overdoing that closure/function factory thing a bit... Seriously, you should reread the subprocess documentation to learn how to avoid deadlocks. -- http://mail.python.org/mailman/listinfo/python-list
