Bruno Desthuilliers wrote:
if cmd: self.cmd = cmd.replace..And what if cmd happens to be the empty string ?-) ok, me --->[]
Right, I didn't think much when I wrote that. Anyway, that's back to square one.
I will probably go for this anyway:assert isinstance(cmd, basestring) or cmd is None, 'cmd has to be string or None'
if cmd:
cmd = cmd.replace(r'${ADDR}',ip)
self.cmd = cmd
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