On Jan 6, 2017, at 2:46 PM, pratikkgandhi@gmail.com wrote:
- The length of the data columns are probably around 250-300 rows
- There are three different columns I am trying to print. One of them is Date and other two are purely numbers.
- Haven't tried with the small dataset - but I shall give it a try. Might be best bet at this point.
- Didn't really got this question
Thank you,
Pratik
On Friday, 6 January 2017 15:34:00 UTC-5, Bryan Van de ven wrote:
I'm afraid I am not sure offhand, at this point I would suggest trying some old fashioned "print debugging". You can use the JS command
console.log("stuff", obj.foo)
to print various things to the browsers JavaScript console. Some questions to try and answer:
* what are the lengths of the data columns?
* what is the value of data['Name'].length in particular
* is the contents of filetext correct/expected? (maybe use a small test data set)
* which branch of the "if" is being taken
Thanks,
Bryan
> On Jan 6, 2017, at 2:16 PM, pratik...@gmail.com wrote:
>
> I tried both in IE as well as Chrome. To that note: I did download the export_csv example from the demos and that ran successfully. I wonder if there is something we are missing. My code is similar to PH's as above.
>
> Thanks!
>
> On Friday, 6 January 2017 15:14:21 UTC-5, Bryan Van de ven wrote:
> Just for data points: does it work in other browsers or on other platforms?
>
> Bryan
>
>
> > On Jan 6, 2017, at 2:01 PM, pratik...@gmail.com wrote:
> >
> > Perhaps, it is not showing any error messages. I can click the button but the action cannot be completed meaning there is no download happening.
> >
> > On Friday, 6 January 2017 14:57:04 UTC-5, Bryan Van de ven wrote:
> > Are there any error messages reported in the browser's JavaScript console? My first guess would be that the CustomJS is executing but that the JS contained in it has some sort of syntax or other error.
> >
> > Bryan
> >
> > > On Jan 3, 2017, at 8:30 AM, pratik...@gmail.com wrote:
> > >
> > > Even, I am facing exactly this issue. @Bryan, can you help us out here.
> > >
> > > Thanks!
> > >
> > > On Friday, 30 December 2016 13:19:20 UTC-5, PH wrote:
> > > Hello,
> > >
> > > I have been trying to generate a csv file as per the https://github.com/bokeh/bokeh/tree/master/examples/app/export_csv
> > > I have created a get_csv.js file as per the example and modified for my 2 columns Name, Quantity:
> > >
> > > get_csv.js
> > >
> > > var data = source_locate.data;
> > > var filetext = 'Name,Quantity\n';
> > > for (i=0; i < data['Name'].length; i++) {
> > > var currRow = [data['Name'][i].toString(),
> > > data['Quantity'][i].toString()];
> > >
> > > var joined = currRow.join();
> > > filetext = filetext.concat(joined);
> > > }
> > >
> > > var filename = 'test.csv';
> > > var blob = new Blob([filetext], { type: 'text/csv;charset=utf-8;' });
> > >
> > > //addresses IE
> > > if (navigator.msSaveBlob) {
> > > navigator.msSaveBlob(blob, filename);
> > > }
> > >
> > > else {
> > > var link = document.createElement("a");
> > > link = document.createElement('a')
> > > link.href = URL.createObjectURL(blob);
> > > link.download = filename
> > > link.target = "_blank";
> > > link.style.visibility = 'hidden';
> > > link.dispatchEvent(new MouseEvent('click'))
> > > }
> > >
> > > In main.py, I have :
> > >
> > > source_locate = ColumnDataSource(data=dict(Name=,Quantity=))
> > > source_locate.data = source.from_df( a python function that returns a dataframe)
> > >
> > > button.callback = CustomJS(args=dict(source=source_locate),code = open(join(dirname(__file__), "get_csv.js")).read())
> > >
> > > I do get this as on output from source_locate.data -->{'Name': ['A', 'B', 'C'], 'Quantity': [-14778600, -5471100, -52030900]}
> > > so it seems to work but the CustomJS does not execute when I click on the button..
> > >
> > > Thanks a lot for your help or for any feedbacks that can put me in the right direction...
> > >
> > > Best and Happy new year to the all team.
> > > Bokeh is amazing
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
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