diff options
-rw-r--r-- | src/argaze/DataFeatures.py | 23 | ||||
-rw-r--r-- | src/argaze/__main__.py | 8 |
2 files changed, 22 insertions, 9 deletions
diff --git a/src/argaze/DataFeatures.py b/src/argaze/DataFeatures.py index fa9b52e..32dd0e1 100644 --- a/src/argaze/DataFeatures.py +++ b/src/argaze/DataFeatures.py @@ -940,16 +940,29 @@ def PipelineStepImage(method): """Define a decorator use into PipelineStepObject class to wrap pipeline step image method.""" @wraps(method) - def wrapper(self, **kwargs) -> numpy.array: - """Wrap pipeline step image method.""" + def wrapper(self, wait: bool = True, **kwargs) -> numpy.array: + """Wrap pipeline step image method. + + Parameters: + wait: for SharedObject, wait until the object is available else throw a SharedObjectBusy exception. + """ # Check shared object instance if issubclass(type(self), SharedObject): - # Busy shared object can't return image - if self.busy(): + # Wait until the shared object is available if required + if wait: + + while self.busy(): + + time.sleep(1e-6) + + # Otherwise, busy shared object can't return image + else: + + if self.busy(): - raise SharedObjectBusy(f'Can\'t return image because {self.name} is busy.') + raise SharedObjectBusy(f'Can\'t return image because {self.name} is busy.') if kwargs: diff --git a/src/argaze/__main__.py b/src/argaze/__main__.py index 2647198..cb8bd01 100644 --- a/src/argaze/__main__.py +++ b/src/argaze/__main__.py @@ -154,8 +154,8 @@ def load_context(args): try: - # Display context - display(context.name, context.image(draw_pipeline=draw_pipeline), 0.75, draw_help=draw_help) + # Display context if the pipeline is available + display(context.name, context.image(wait = False, draw_pipeline=draw_pipeline), 0.75, draw_help=draw_help) except SharedObjectBusy: @@ -168,8 +168,8 @@ def load_context(args): try: - # Display scene's frame - display(scene_frame.name, scene_frame.image(), 0.5) + # Display scene's frame if available + display(scene_frame.name, scene_frame.image(wait = False), 0.5) except SharedObjectBusy: |