keep/module_contextlib/contextlib_api_error.py at master · tinylambda/keep

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class Context:

def __init__(self, handle_error):

print("__init__({})".format(handle_error))

self.handle_error = handle_error

def __enter__(self):

print("__enter__()")

return self

def __exit__(self, exc_type, exc_val, exc_tb):

print("__exit__()")

print("exc_type =", exc_type)

print("exc_val =", exc_val)

print("exc_tb =", exc_tb)

return self.handle_error

with Context(True):

raise RuntimeError("error message handled")

print()

with Context(False):

raise RuntimeError("error message propagated")