You can find here unofficial search engine plugins for qBittorrent that are made available by its users.
Only plugins for private websites have a readme.
Where do I move the downloaded Python (.py) files?
1 Answer
Where do I move the downloaded Python (.py) files?
You can put them in a directory of your choice. Then use the following instructions:
Install your plugin
To install your plugin in qBittorrent:
Go to search tab in main window, click on "Search engines..." button.
Then, a new window will pop up, containing the list of installed search engine plugins.
Click on "Install a new one" at the bottom and select your *.py python script on your filesystem.
If everything goes well, qBittorrent should notify you that it was successfully installed and your plugin should appear in the list.
Source: How to write a search plugin