[Fab-user] variable substitution

[Jeff Honey]

So, I’ve been trying to add some more intelligence to my Fabric functions and am running into difficulties.

 

Say, I wanted to include env.host string as a variable into a put() call.

 

def myput():

                myvar=env.host_string

                put(‘/source/$myvar-*’,’/mydest/’, mode=0644)

 

…which returns a ValueError.

 

if I try this, as I would with a runtime argument.

 

def myput():

                myvar=env.host_string

                put(‘/source/%s-*’,’/mydest/’ % myvar)

 

…which returns a Type Error.

 

Is there a simple way to overcome my lack of python knowledge here?

 

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