Added an example for using plotly with fpdf2

[msalem99]

Closes #653

Checklist:

• The GitHub pipeline is OK (green), meaning that both pylint (static code analyzer) and black (code formatter) are happy with the changes of this PR.

• [N/A] A unit test is covering the code added / modified by this PR

• This PR is ready to be merged

• [N/A] In case of a new feature, docstrings have been added, with also some documentation in the docs/ folder

• A mention of the change is present in CHANGELOG.md

By submitting this pull request, I confirm that my contribution is made under the terms of the GNU LGPL 3.0 license.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (caab96f) 93.75% compared to head (3343dc9) 93.75%.

❗ Current head 3343dc9 differs from pull request most recent head 26c0f41. Consider uploading reports for the commit 26c0f41 to get more accurate results

Additional details and impacted files

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  Hits         6570     6570           
  Misses        260      260           
  Partials      178      178           

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[Lucas-C]

Welcome @msalem99, and thank you for your contribution! 😊

Good job overall, the example and documentation you provided are great! 👍

I tested your code, and while the 2nd script works well,
the 1st script hangs for several minutes on my computer, without ever completing.
I think it's stuck when calling the kaleido binary program.

How long does it take to execute on your machine?
I am using WSL2 (Ubuntu 20.04) under Windows, with Python 3.8.
What is your environment please?

[msalem99]

The second script seems to also require the installation of kaleido as plotly uses it when writing the svg figure. I tried running the second script without kaleido and it raised an error so I am not sure why kaleido would hang in the first script on your machine but run on the second script fine.

[Lucas-C]

I think I may be facing this bug: plotly/Kaleido#149
And I haven't found a way to work around it for now...

I'm going to ask for some help 😊
@gmischler, @eroux, @andersonhc, @RubendeBruin : could one of you please test the script provided by our new contributor @msalem99 here?
I'm unable to do so, and just would like to make sure that at least one other person can run it before I merge this PR.

[Lucas-C]

@ msalem99: also, could you add a line about this new documentation section in CHANGEGOG.md as part of this PR please?
You should easily find existing mentions in this file of documentation additions, that you can use as example 😊

[andersonhc]

I think I may be facing this bug: plotly/Kaleido#149 And I haven't found a way to work around it for now...

I'm going to ask for some help 😊 @gmischler, @eroux, @andersonhc, @RubendeBruin : could one of you please test the script provided by our new contributor @msalem99 here? I'm unable to do so, and just would like to make sure that at least one other person can run it before I merge this PR.

Both worked OK on my setup - python 3.10 running on Windows 10.
The images embedded in the PDF files are similar to the reference ones.

[msalem99]

@ msalem99: also, could you add a line about this new documentation section in CHANGEGOG.md as part of this PR please? You should easily find existing mentions in this file of documentation additions, that you can use as example 😊

Done, I also removed an import that was not used in the second example that I had missed before. Thank you for the feedback.

[Lucas-C]

Thank you @andersonhc & @manager!
Merging this now 😊

[Lucas-C]

@allcontributors please add @msalem99 for documentation

[allcontributors]

@Lucas-C

I've put up a pull request to add @msalem99! 🎉