Collect connection prices (fahrpreise) of the Deutsche Bahn every couple hours, to see how connection prices change over time. Includes a tool for plotting them as well!
It is a tool you can run to gather every vew hours prices for a connection you specified. Those prices can then be plotted to see how connection prices change over time.
These are the prices I collected for a connection I was interested in.
- X-axis is the price until departure
- Y-axis the date until departure.
Findings:
- the vetical line at ~4 weeks before departure shows a discontinuity
- some connections (especially weekends/holidays) are always expensive
I run the service on a server and create the plots from my laptop. I sync the database file to my laptop for plotting.
You can install the gatherer via ansible using this role. This sets the node app up as a separate user and adds a systemd service and timer
- get the file
- run
plotter/main.py(install dependencies before?) with required arguments
For questions/issues use the issue tracker. Feel free to create pull requests with your modifications.
If you created interesting results with this tool and published them, let me know, I'll add you to the readme page.
This was based on db-prices-cli and by Jannis R. Thanks go to him for the great base.
Reworked this to work with a fork of hafas-client. thanks to the authos
See the license file for further information.