ray/doc/source/ray-core/doc_code/gotchas.py
M Waleed Kadous 7c32993c15
[core/docs]Add a new section under Ray Core called Ray Gotchas (#26624)
Co-authored-by: Richard Liaw <rliaw@berkeley.edu>
2022-07-16 16:53:01 -07:00

34 lines
526 B
Python

# flake8: noqa
# __env_var_start__
import ray
import os
ray.init()
@ray.remote
def myfunc():
myenv = os.environ.get("FOO")
print(f"myenv is {myenv}")
return 1
ray.get(myfunc.remote())
# this prints: "myenv is None"
# __env_var_end__
ray.shutdown()
# __env_var_fix_start__
ray.init(runtime_env={"env_vars": {"FOO": "bar"}})
@ray.remote
def myfunc():
myenv = os.environ.get("FOO")
print(f"myenv is {myenv}")
return 1
ray.get(myfunc.remote())
# this prints: "myenv is bar"
# __env_var_fix_end__