#1
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Wait for function to return?
Hi all
I want to stop the execution of my script until a function returns. The idea is to stop the script when starting a task, where the user has to press a key (P), and as soon as he presses the key, the script should continue. Code:
class Experiment: # This method is called somewhere... def start_green_face_task(self): self.avatar_to_morph().make_green_face() self.test_reaction_time() # Here the code should stop until this method returns (when the user presses P)! But how can this be achieved? self.end_green_face_task() # This method should be called *after* the user presses P! def test_reaction_time(self): while True: yield self.viztask.waitKeyDown('P', d) return def end_green_face_task(self): self.avatar_to_morph().remove_green_face() yield self.test_reaction_time() or self.viztask.schedule(self.test_reaction_time()) but somehow this doesn't do what I need... Thanks very much for help! Josh |
#2
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Please, this is very important for me... Anyone??
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#3
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*Push* (I'm sorry, but it's very important that I get this to work asap)
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#4
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Exactly *what* does not work? On which line does the program do other than you expect it to do?
Following changes might not work, but at least it should call test_reaction_time() correctly. Issue is that end_green_face_task() will run at the same time (I think). You can move that method call to test_reaction_time() as well, but why do you need a viztask for a key event? You can also register the P button with the function end_green_face_task() Code:
class Experiment: # This method is called somewhere... def start_green_face_task(self): self.avatar_to_morph().make_green_face() viztask.schedule(self.test_reaction_time()) # Here the code should stop until this method returns (when the user presses P)! But how can this be achieved? self.end_green_face_task() # This method should be called *after* the user presses P! def test_reaction_time(self): yield viztask.waitKeyDown('P') def end_green_face_task(self): self.avatar_to_morph().remove_green_face() |
#5
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I believe the following code should do what you want:
Code:
class Experiment: # This method is called somewhere... def start_green_face_task(self): viztask.schedule( self.test_reaction_time() ) def test_reaction_time(self): self.avatar_to_morph().make_green_face() yield viztask.waitKeyDown('P') # Here the code should stop until this method returns (when the user presses P)! But how can this be achieved? self.end_green_face_task() # This method should be called *after* the user presses P! def end_green_face_task(self): self.avatar_to_morph().remove_green_face() |
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