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

# Licensed under the MIT License.

if __name__ != "__main__":

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

import os

import os.path

import runpy

import sys

def normalize(path):

return os.path.normcase(os.path.normpath(path))

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

# directory or '' in sys.path and then sending the target on to runpy.

cwd = normalize(os.getcwd())

sys.path[:] = (p for p in sys.path if p != "" and normalize(p) != cwd)

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)