aprsd/aprsd/utils.py

17 lines
370 B
Python

"""Utilities and helper functions."""
import os
import pprint
import sys
def env(*vars, **kwargs):
"""This returns the first environment variable set.
if none are non-empty, defaults to '' or keyword arg default
"""
for v in vars:
value = os.environ.get(v, None)
if value:
return value
return kwargs.get('default', '')