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This is needed in case we run the tests from the joblib root # folder without having installed joblib sys.path.insert(0, {joblib_root_folder!r}) from joblib import Parallel, delayed def run(f, x): return f(x) {define_func} if __name__ == "__main__": backend = "{backend}" if backend == "spawn": from multiprocessing import get_context backend = get_context(backend) callable_position = "{callable_position}" if callable_position == "delayed": print(Parallel(n_jobs=2, backend=backend)( delayed(square)(i) for i in range(5))) elif callable_position == "args": print(Parallel(n_jobs=2, backend=backend)( delayed(run)(square, i) for i in range(5))) else: print(Parallel(n_jobs=2, backend=backend)( delayed(run)(f=square, x=i) for i in range(5))) z!def square(x): return x ** 2 zcdef gen_square(): def square(x): return x ** 2 return square square = gen_square() zsquare = lambda x: x ** 2 define_funccallable_position)r$rkwargsc |dvr/|tkstjdkrtjdt |||tj tj tj }| d}| |ttj|jgdddS) N)r)r4win32zNot picklable with pickle)rfr>rgjoblib_root_folderzunpicklable_func_script.pyrr[r\) SQUARE_MAINrbplatformr^r_)UNPICKLABLE_CALLABLE_SCRIPT_TEMPLATE_MAINrarpathdirnamejoblib__file__rwriterrcstrpath)r>rfrgtmpdirrd code_files r.0test_parallel_with_unpicklable_functions_in_argsrws...{""clg&=&= /000 4 ; ;+7??27??6?+K+KLL <  D  899I OOD *+*r0aimport sys import faulthandler # Make sure that joblib is importable in the subprocess launching this # script. This is needed in case we run the tests from the joblib root # folder without having installed joblib sys.path.insert(0, {joblib_root_folder!r}) from joblib import Parallel, delayed from functools import partial class MyClass: '''Class defined in the __main__ namespace''' def __init__(self, value): self.value = value def square(x, ignored=None, ignored2=None): '''Function defined in the __main__ namespace''' return x.value ** 2 square2 = partial(square, ignored2='something') # Here, we do not need the `if __name__ == "__main__":` safeguard when # using the default `loky` backend (even on Windows). # To make debugging easier faulthandler.dump_traceback_later(30, exit=True) # The following baroque function call is meant to check that joblib # introspection rightfully uses cloudpickle instead of the (faster) pickle # module of the standard library when necessary. In particular cloudpickle is # necessary for functions and instances of classes interactively defined in the # __main__ module. print(Parallel(backend="loky", n_jobs=2)( delayed(square2)(MyClass(i), ignored=[dict(a=MyClass(1))]) for i in range(5) )) )rkc|d}|tttj|jgdddS)Nz(joblib_interactively_defined_function.pyr[)r]r<)rrs5INTERACTIVE_DEFINED_FUNCTION_AND_CLASS_SCRIPT_CONTENTrrbrcrtruscripts r.7test_parallel_with_interactively_defined_functions_lokyr|s\ [[C D DF LLFGGG (*r0aimport sys # Make sure that joblib is importable in the subprocess launching this # script. 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