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Removed caching of Table values #850

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merged 5 commits into from Sep 7, 2016

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jlstevens commented Sep 7, 2016

This PR allows Tables to be updated with streams by disabling the caching of cell values in TablePlot. I've tested that streams now work but I won't be confident that everything is working as it should until the tests pass.

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jlstevens commented Sep 7, 2016

One consequence of using streams is that it isn't possible for TablePlot to adjust the size of the table based on future (unknown) values. This will always be an issue using DynamicMap so I only want to point out this problem as I'm not sure how it can be solved.

@@ -117,7 +115,7 @@ def initialize_plot(self, ranges=None):
for col in range(element.cols):
if summarize and row > half_rows:
adjusted_row = (element.rows - self.max_rows + row)
cell_value = self.cell_values[self.keys[-1]][(row, col)]
cell_value = element.pprint_cell(row, col)

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philippjfr Sep 7, 2016

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Shouldn't both of these calls also pass the return value through the pprint_value method on TablePlot, I'm not sure why both the element and the plot need a pprint method but I assume there was a reason.

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Well spotted! I've just pushed a commit to fix this.

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philippjfr commented Sep 7, 2016

Looks good now. Happy to merge when tests pass.

@philippjfr philippjfr merged commit 24d1137 into master Sep 7, 2016

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@philippjfr philippjfr removed the in progress label Sep 7, 2016

@philippjfr philippjfr deleted the table_update_fix branch Sep 27, 2016

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