Add a headless (no GUI) mode #372
Merged
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Description
This adds the command line argument
--headless
which allows running the bot without the GUI.It's meant for people (i.e. me) that want to run the bot on a server system and remotely control it using the HTTP server.
Currently, it does not support creating or selecting profiles interactively, so a profile needs to exist and it needs to be specified when starting the bot.
I have also added Waitress as a dependency, which is a simple production-ready HTTP server. Using this avoids Flask's warning message ('This is a development server...') and also makes it less noisy in general (the access log is no longer written to stdout.)
Notes
This works best in conjunction with #371 which adds some more interactive features (as well as button controls) to the HTTP server.
Checklist
--line-length 120
argument