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from parsl.serialize import unpack_apply_message
def execute_task(bufs: bytes):
"""Deserialize the buffer and execute the task.
Returns the result or throws exception.
"""
f, args, kwargs = unpack_apply_message(bufs)
# We might need to look into callability of the function from itself
# since we change it's name in the new namespace
prefix = "parsl_"
fname = prefix + "f"
argname = prefix + "args"
kwargname = prefix + "kwargs"
resultname = prefix + "result"
code = "{0} = {1}(*{2}, **{3})".format(resultname, fname,
argname, kwargname)
user_ns = locals()
user_ns.update({
'__builtins__': __builtins__,
fname: f,
argname: args,
kwargname: kwargs,
resultname: resultname
})
exec(code, user_ns, user_ns)
return user_ns.get(resultname)
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