import datetime import sys import time from subprocess import run class Device: def __init__(self, uhub_location, device_port): self.uhub_location = uhub_location self.device_port = device_port @staticmethod def log(msg): print(msg, flush=True, file=sys.stderr) def run_trezorctl(self, cmd: str, **kwargs): full_cmd = "trezorctl " full_cmd += cmd self.log(f"[software/trezorctl] Running '{full_cmd}'") return run(full_cmd, shell=True, check=True, **kwargs) def check_model(self, model=None): res = self.run_trezorctl("list", capture_output=True, text=True) self.log(res.stdout) self.log(res.stderr) self.run_trezorctl("get-features | grep version") lines = res.stdout.splitlines() if len(lines) != 1: raise RuntimeError(f"{len(lines)} trezors connected") if model and model not in lines[0]: raise RuntimeError(f"invalid trezor model connected (expected {model})") return lines[0].split()[0] def reboot(self): self.power_off() self.power_on() def power_on(self): self.now() self.log("[hardware/usb] Turning power on...") run( f"uhubctl -l {self.uhub_location} -p {self.device_port} -a on", shell=True, check=True, ) self.wait(3) def power_off(self): self.now() self.log("[hardware/usb] Turning power off...") run( f"uhubctl -l {self.uhub_location} -p {self.device_port} -r 100 -a off", shell=True, check=True, ) self.wait(3) def touch(self, location, action): raise NotImplementedError @staticmethod def wait(seconds): Device.now() Device.log(f"[software] Waiting for {seconds} seconds...") time.sleep(seconds) @staticmethod def now(): Device.log(f"\n[timestamp] {datetime.datetime.now()}")