How to search processes with psutil instead of ps | grep?

[anki-code]

How to search processes with psutil instead of ps | grep?

[anki-code]

@aliases.register
def _psearch(args: list):
    args = dict([arg.split("=") for arg in args])
    processes = _procs(**args)
    return "\n".join([str(p.pid) for p in processes])

psearch name=firefox
psearch username=root

A Python filter over processes instead of ps | grep | awk.