KevinGG commented on a change in pull request #15490:
URL: https://github.com/apache/beam/pull/15490#discussion_r707624568
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File path:
sdks/python/apache_beam/runners/interactive/display/pcoll_visualization.py
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@@ -236,6 +239,30 @@ def continuous_update_display(): # pylint:
disable=unused-variable
return None
+def visualize_computed_pcoll(
+ pcoll_name: str, pcoll: beam.pvalue.PValue) -> None:
+ """A simple visualize alternative.
+
+ When the pcoll_name and pcoll pair identifies a watched and computed
+ PCollection in the current interactive environment without ambiguity, an
+ ElementStream can be built directly from cache.
+ """
+ try:
+ pipeline = ie.current_env().user_pipeline(pcoll.pipeline)
+ cache_manager = ie.current_env().get_cache_manager(pipeline)
+ cache_key = CacheKey.from_pcoll(pcoll_name, pcoll).to_str()
+ reader, _ = cache_manager.read('full', cache_key)
+ visualize(
+ ElementStream(pcoll, pcoll_name, cache_key, float('inf'),
float('inf')),
+ element_type=pcoll.element_type)
Review comment:
Acked, will move it to RecordingManager.
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