# Copyright (c) Microsoft Corporation. All rights reserved.

# Licensed under the MIT License.

if __name__ != "__main__":

raise Exception("{} cannot be imported".format(__name__))

import os.path

import runpy

import sys

# We "isolate" the script/module (sys.argv[1]) by

# replacing sys.path[0] with a dummy path and then sending the target

# on to runpy.

sys.path[0] = os.path.join(os.path.dirname(__file__), ".does-not-exist")

del sys.argv[0]

module = sys.argv[0]

if module == "-c":

ns = {}

for code in sys.argv[1:]:

exec(code, ns, ns)

elif module.startswith("-"):

raise NotImplementedError(sys.argv)

elif module.endswith(".py"):

runpy.run_path(module, run_name="__main__")

else:

runpy.run_module(module, run_name="__main__", alter_sys=True)