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ProgressBar item_show_func displays the previous item

See original GitHub issue

I’ve noticed a bug with the item_show_func option for click.progressbar where the progress bar ends up showing the previous item instead of the current one.

The issue seems to be that ProgressBar.generator() will only render the progress bar after the current item has been processed. As a result, the previous item is visible on screen while the current one is in processing.

I think this change to lines 285-288 should fix the issue:

for rv in self.iter:
    self.current_item = rv
    self.render_progress()
    yield rv
    self.make_step(1)

Issue Analytics

State:
Created 4 years ago
Comments:9 (8 by maintainers)

Top GitHub Comments

1reaction

JoelEagercommented, Mar 4, 2021

Thanks for taking the time to revive and resolve this. I’m looking forward to making use of your fix in the future.

0reactions

BALaka-18commented, Mar 2, 2021

@BALaka-18 there is already a PR for this, but it wasn’t linked for some reason. Sorry about that.

Sure ! Not a problem.

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