Archived discussions · Captured October 28, 2026

Should push_notebook work on tables?

Jim_SharpeJan 16, 2016 #1

I’ve had good success modifying the columnDataSource for a plot and then calling push_notebook() to cause the new information to appear in the graph (running in a Jupyter python 3 notebook). However when I attempt the same approach with a Bokeh table, calling push_notebook() doesn’t cause the table to update. However, a subsequent call “show” will cause the table to display the updated information.

The example below illustrates the situation where I print the data that the source for the table showing that it now only contains two rows of data. However, even after calling push_notebook() the table still shows the old values consisting of many rows. If I then run the following cell to “show” the table again it will correctly reflect only the two rows described by its source.

Should push_notebook cause a table to refresh to reflect an updated data source? Or is there some other way I can trigger it to update other than calling “show” which I can’t do since the table needs to be displayed from a separate notebook cell (strange things happen if I try to call Bokeh show in the callback of an ipywidget button since both the table and button would display together creating a problem in the notebook cell publishing machinery)

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Jim_SharpeJan 16, 2016 #2

It occurred to me after making this post that it could be a case of push_notebook only updating the last shown object. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the “last shown” object. Is there any known workaround to this? I’m ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it’s callback.

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BryanJan 16, 2016 #3

I can't think of anything offhand. The comms problem was introduced at the last minute by an important hotfix. I intend to look into it in the next few days, and will have a fix in a dev build as soon as possible.

Bryan

···

On Jan 15, 2016, at 10:44 PM, Jim Sharpe <jms@sharpe.com> wrote:

It occurred to me after making this post that it could be a case of push_notebook only updating the *last shown object*. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the "last shown" object. Is there any known workaround to this? I'm ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it's callback.

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Jim_SharpeJan 21, 2016 #4

Hi Bryan,

I’ve looked through the open issues on github but didn’t see anything specific to this particular comms bug. Is there some place I should be watching for progress on it’s resolution (Is there a particular github issue that covers it that I missed and where can I find any notes for what is in the dev builds?). T

he problem is getting to be more of a big deal on our end as time passes and at some point in the near future will basically amount to a showstopper issue that would force us to move away from bokeh.

···

On Friday, January 15, 2016 at 10:00:12 PM UTC-7, Bryan Van de ven wrote:

I can’t think of anything offhand. The comms problem was introduced at the last minute by an important hotfix. I intend to look into it in the next few days, and will have a fix in a dev build as soon as possible.

Bryan

On Jan 15, 2016, at 10:44 PM, Jim Sharpe j...@sharpe.com wrote:

It occurred to me after making this post that it could be a case of push_notebook only updating the last shown object. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the “last shown” object. Is there any known workaround to this? I’m ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it’s callback.

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BryanJan 21, 2016 #5

The fix for comms handles is in 0.11.1dev2 which was published today. This notebook shows the expected behavior with plots:

https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb

I have not had a chance to try anything with data tables.

Thanks,

Bryan

···

On Jan 21, 2016, at 3:38 PM, Jim Sharpe <jms@sharpe.com> wrote:

Hi Bryan,

I've looked through the open issues on github but didn't see anything specific to this particular comms bug. Is there some place I should be watching for progress on it's resolution (Is there a particular github issue that covers it that I missed and where can I find any notes for what is in the dev builds?). T

he problem is getting to be more of a big deal on our end as time passes and at some point in the near future will basically amount to a showstopper issue that would force us to move away from bokeh.

On Friday, January 15, 2016 at 10:00:12 PM UTC-7, Bryan Van de ven wrote:
I can't think of anything offhand. The comms problem was introduced at the last minute by an important hotfix. I intend to look into it in the next few days, and will have a fix in a dev build as soon as possible.

Bryan

> On Jan 15, 2016, at 10:44 PM, Jim Sharpe <j...@sharpe.com> wrote:
>
> It occurred to me after making this post that it could be a case of push_notebook only updating the *last shown object*. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the "last shown" object. Is there any known workaround to this? I'm ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it's callback.
>
> --
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> For more options, visit https://groups.google.com/a/continuum.io/d/optout\.

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Jim_SharpeJan 21, 2016 #6

That’s fantastic news! I’ll go grab it right now.

···

On Thursday, January 21, 2016 at 2:52:02 PM UTC-7, Bryan Van de ven wrote:

The fix for comms handles is in 0.11.1dev2 which was published today. This notebook shows the expected behavior with plots:
    [https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb](https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb)
I have not had a chance to try anything with data tables.

Thanks,

Bryan

On Jan 21, 2016, at 3:38 PM, Jim Sharpe j...@sharpe.com wrote:

Hi Bryan,

I’ve looked through the open issues on github but didn’t see anything specific to this particular comms bug. Is there some place I should be watching for progress on it’s resolution (Is there a particular github issue that covers it that I missed and where can I find any notes for what is in the dev builds?). T

he problem is getting to be more of a big deal on our end as time passes and at some point in the near future will basically amount to a showstopper issue that would force us to move away from bokeh.

On Friday, January 15, 2016 at 10:00:12 PM UTC-7, Bryan Van de ven wrote:

I can’t think of anything offhand. The comms problem was introduced at the last minute by an important hotfix. I intend to look into it in the next few days, and will have a fix in a dev build as soon as possible.

Bryan

On Jan 15, 2016, at 10:44 PM, Jim Sharpe j...@sharpe.com wrote:

It occurred to me after making this post that it could be a case of push_notebook only updating the last shown object. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the “last shown” object. Is there any known workaround to this? I’m ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it’s callback.

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Jim_SharpeJan 26, 2016 #7

Looks like the changes aren’t working for tables. I just tried a test with 11.1.dev2 where I update the data in the source for a table and nothing happens when I then call push_notebook. However, if I then make another explicit call to show() the table the updated values appear in the new copy. Note that this is using bokeh offline in a python 3 jupyter notebook.

···

On Thursday, January 21, 2016 at 3:02:42 PM UTC-7, Jim Sharpe wrote:

That’s fantastic news! I’ll go grab it right now.

On Thursday, January 21, 2016 at 2:52:02 PM UTC-7, Bryan Van de ven wrote:
The fix for comms handles is in 0.11.1dev2 which was published today. This notebook shows the expected behavior with plots:
    [https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb](https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb)
I have not had a chance to try anything with data tables.

Thanks,

Bryan

On Jan 21, 2016, at 3:38 PM, Jim Sharpe j...@sharpe.com wrote:

Hi Bryan,

I’ve looked through the open issues on github but didn’t see anything specific to this particular comms bug. Is there some place I should be watching for progress on it’s resolution (Is there a particular github issue that covers it that I missed and where can I find any notes for what is in the dev builds?). T

he problem is getting to be more of a big deal on our end as time passes and at some point in the near future will basically amount to a showstopper issue that would force us to move away from bokeh.

On Friday, January 15, 2016 at 10:00:12 PM UTC-7, Bryan Van de ven wrote:

I can’t think of anything offhand. The comms problem was introduced at the last minute by an important hotfix. I intend to look into it in the next few days, and will have a fix in a dev build as soon as possible.

Bryan

On Jan 15, 2016, at 10:44 PM, Jim Sharpe j...@sharpe.com wrote:

It occurred to me after making this post that it could be a case of push_notebook only updating the last shown object. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the “last shown” object. Is there any known workaround to this? I’m ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it’s callback.

–
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BryanJan 26, 2016 #8

Will require some dedicated investigation then, can you make an issue on GH? If you have a notebook laying around that you can share that will help tremendously with getting started.

Bryan

···

On Jan 26, 2016, at 2:52 PM, Jim Sharpe <jms@sharpe.com> wrote:

Looks like the changes aren't working for tables. I just tried a test with 11.1.dev2 where I update the data in the source for a table and nothing happens when I then call push_notebook. However, if I then make another explicit call to show() the table the updated values appear in the new copy. Note that this is using bokeh offline in a python 3 jupyter notebook.

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Jim_SharpeJan 27, 2016 #9

Hi Byran,

I apologize in advance if I’ve misunderstood how updating data sources should work and would welcome any pointers as to what I’m doing wrong. I’ve attached a small example notebook that I believe reproduces the behavior of my other, much larger, application. Although it only uses a couple of simple dummy data structures it appears to demonstrate the same behavior. (I.e. the table doesn’t update after modifying the data source and then calling push_notebook but the updated information is reflected if I show it again.) I think it should be fairly self explanatory but please let me know if you have any questions.

push_notebook_table_test.ipynb (21.1 KB)

···

On Tuesday, January 26, 2016 at 1:52:58 PM UTC-7, Jim Sharpe wrote:

Looks like the changes aren’t working for tables. I just tried a test with 11.1.dev2 where I update the data in the source for a table and nothing happens when I then call push_notebook. However, if I then make another explicit call to show() the table the updated values appear in the new copy. Note that this is using bokeh offline in a python 3 jupyter notebook.

On Thursday, January 21, 2016 at 3:02:42 PM UTC-7, Jim Sharpe wrote:
That’s fantastic news! I’ll go grab it right now.

On Thursday, January 21, 2016 at 2:52:02 PM UTC-7, Bryan Van de ven wrote:
The fix for comms handles is in 0.11.1dev2 which was published today. This notebook shows the expected behavior with plots:
    [https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb](https://github.com/bokeh/bokeh/blob/master/examples/howto/notebook_comms/Basic%20Usage.ipynb)
I have not had a chance to try anything with data tables.

Thanks,

Bryan

On Jan 21, 2016, at 3:38 PM, Jim Sharpe j...@sharpe.com wrote:

Hi Bryan,

I’ve looked through the open issues on github but didn’t see anything specific to this particular comms bug. Is there some place I should be watching for progress on it’s resolution (Is there a particular github issue that covers it that I missed and where can I find any notes for what is in the dev builds?). T

he problem is getting to be more of a big deal on our end as time passes and at some point in the near future will basically amount to a showstopper issue that would force us to move away from bokeh.

On Friday, January 15, 2016 at 10:00:12 PM UTC-7, Bryan Van de ven wrote:

I can’t think of anything offhand. The comms problem was introduced at the last minute by an important hotfix. I intend to look into it in the next few days, and will have a fix in a dev build as soon as possible.

Bryan

On Jan 15, 2016, at 10:44 PM, Jim Sharpe j...@sharpe.com wrote:

It occurred to me after making this post that it could be a case of push_notebook only updating the last shown object. I do have a number of different Bokeh objects visible in this notebook and the source of the data that is being displayed in this table is derived from the selected points in a bokeh scatter plot, so I suppose that might be the “last shown” object. Is there any known workaround to this? I’m ok with even creating a button to force the refresh/update if there is something I could do in the CustomJS of it’s callback.

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Jim_SharpeFeb 06, 2016 #10

I just tried this again with v0.11.1 and still observed the same behavior so I’ve opened issue #3838

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BryanFeb 06, 2016 #11

Hi Jim,

I was hoping that might be the fix for you, but alas apparently not. Thanks for the notebook it will make getting started investigating much easier to do. I will try to take a poke at it next week sometime.

Bryan

···

On Feb 6, 2016, at 11:57 AM, Jim Sharpe <jms@sharpe.com> wrote:

I just tried this again with v0.11.1 and still observed the same behavior so I've opened issue #3838

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systemJul 21, 2021 #12

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