Create charts and publish on Amazon S3.
This module contains methods for producing graphs and publishing them on Amazon S3, or in the location of your choice.
It is written and maintained for Newsworthy, but could possibly come in handy for other people as well.
pip install newsworthycharts
This module comes with two classes, Chart and Storage (and it’s subclasses). When using the Chart class, the generated chart will be saved as a local file:
from newsworthycharts import SerialChart as Chart c = Chart(600, 800) c.title = "Number of smiles per second" c.xlabel = "Time" c.ylabel = "Smiles" c.caption = "Source: Ministry of smiles." data_serie_1 = [("2008-01-01", 6.1), ("2009-01-01", 5.9), ("2010-01-01", 6.8)] c.data.append(data_serie_1) c.highlight = "2010-01-01" c.render("test", "png")
You can use a _storage_ object to save file to a specific location or cloud service:
from newsworthycharts import Chart from newsworthycharts import S3Storage s3 = S3Storage("my_bucket") c = Chart(600, 800, storage=s3) c.title = "Number of smiles per second" c.xlabel = "Time" c.ylabel = "Smiles" c.caption = "Source: Ministry of smiles." c.render("test", "png")
To store a file in a local folder, use the LocalStorage class:
from newsworthycharts import LocalStorage storage = LocalStorage("/path/to/generated/charts")
Charts are styled using built-in or user-defined styles:
from newsworthycharts import Chart # This chart has the newsworthy default style c = Chart(600, 800, style="newsworthy") # Style can also be the path to a style file (absolute or relative to current working directory) c2 = Chart(600, 800, style="path/to/styles/mystyle.mplstyle")
To set up you own style, copy the build-in default: <https://github.com/jplusplus/newsworthycharts/blob/master/newsworthycharts/rc/newsworthy>
Newsworthycharts will look first among the predefined style files for the requested style, so if you have a custom style file in you working directory you need to give it a unique name not already in use.
To run tests:
python3 -m pytest test/test_main.py
- Add new ScatterPlot chart class
- Improved text adjusting in serial charts
- More secure YAML file parsing
- Make small bar charts with very many bars look better
- Make labels work again, 1.3.1 broke those in some circumstances
- Make inner_max/min_x work with leading / trailing None values
- Make sure single, orphaned values are visible (as points) in line charts
- Allow (and recommend) using Matplotlib 3. This may affect how some charts are rendered.
- Removed undocumented and incomplete Latex support from caption.
- Don’t highlight diff outside either series’ extreme ends.
- Use strong color if there is nothing to highlight.
- Fix a bug where decimals setting was not used in all annotations. Potentially breaking in some implementations.
- Make the annotation offset 80% of the fontsize (used to be a hardcoded number of pixels)
- Small cosmetic update: Decrease offset of annotation.
- Require Matplotlib < 3, because we are still relying on some features that are deprecated there. Also, internal changes to Matplot lib may cause some charts to look different depending on version.
- Make annotation use default font size, as relative sizing didn’t work here anyway
- Move class properties to method properties to make sure multiple Chart instances work as intended/documented. This will make tests run again.
- None values in bar charts are not annotated (trying to annotate None values used to result in a crash)
- More tests
- Annotations should now work as expected on series with missing data
- Fix bug where decimal setting wasn’t always respected
- Make no decimals the default if unit is “count”
- First version
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