How to do one line if condition assignment in Python

Question

I am using two if conditions in the below code snippet. disable_env value can be passed as a parameter to a function or as an environment variable. Is there a more efficient way to do this in Python using a single if statement?

def func(disable_env=False):
  if os.environ.get("DISABLE_ENV"):
     disable_env=True
  if not disable_env: 
     print("something")

Single if statement won't make this more efficient. It will however make it less readable. If you really want it will be somethong like if not (disable_env := os.environ.get("DISABLE_ENV")): print("something") using Assignment Expressions — Guy
– Guy, Commented Jul 24, 2022 at 5:49
if 'DISABLE_ENV' not in os.environ and not disable_env: print('something') — Mechanic Pig
– Mechanic Pig, Commented Jul 24, 2022 at 5:59
print("something" if not os.environ.get("DISABLE_ENV") else "") — Vladimir Vilimaitis
– Vladimir Vilimaitis, Commented Jul 24, 2022 at 6:06

OneCricketeer · Accepted Answer · 2022-07-24 06:54:38Z

1

def func(disable_env=False):    
    disable_env = os.environ.get("DISABLE_ENV", disable_env)

should do the trick.

edited Jul 24, 2022 at 6:54

OneCricketeer

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answered Jul 24, 2022 at 6:18

vijayvammi

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