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Asked: 2026-06-09T04:23:44+00:00

I need to do this: $ export PYRO_HMAC_KEY=123 $ python -m Pyro4.naming So, i

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I need to do this:

$ export PYRO_HMAC_KEY=123
$ python -m Pyro4.naming

So, i found that the second one is possible to do with 

subprocess.Popen(['python','-m','Pyro4.naming'])

but how export shell variable before that?

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1 Answer

  1. Editorial Team

    To update the existing environment…

    import os, subprocess

d = dict(os.environ)   # Make a copy of the current environment
d['PYRO_HMAC_KEY'] = '123'
subprocess.Popen(['python', '-m', 'Pyro4.naming'], env=d)
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