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Use default OS shell to run system commands...
Use default OS shell to run system commands Instead of using os.system which uses /bin/sh, this uses subprocess.call (the replacement of os.system) to run the command using the default shell of the OS. With this, one can use more advanced commands for bash, zsh, ksh, ... I also edited the docstring, added comments and fixed the handling of return codes.

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log.py
21 lines | 661 B | text/x-python | PythonLexer
from logging import INFO, DEBUG, WARN, ERROR, FATAL
from zmq.log.handlers import PUBHandler
class EnginePUBHandler(PUBHandler):
"""A simple PUBHandler subclass that sets root_topic"""
engine=None
def __init__(self, engine, *args, **kwargs):
PUBHandler.__init__(self,*args, **kwargs)
self.engine = engine
@property
def root_topic(self):
"""this is a property, in case the handler is created
before the engine gets registered with an id"""
if isinstance(getattr(self.engine, 'id', None), int):
return "engine.%i"%self.engine.id
else:
return "engine"