19 lines
515 B
Python
19 lines
515 B
Python
"""Definition of check_env function."""
|
|
|
|
import os
|
|
|
|
|
|
def check_env(
|
|
var_list: set[str],
|
|
) -> None:
|
|
"""Check necessary environment variables are set."""
|
|
assert isinstance(var_list, set)
|
|
assert all(isinstance(elem, str) for elem in var_list)
|
|
# check that env vars are set
|
|
missing_vars = []
|
|
for env_var in var_list:
|
|
if env_var not in os.environ:
|
|
missing_vars.append(env_var)
|
|
if missing_vars:
|
|
raise OSError(f"environment variable(s) not set: {missing_vars}")
|