mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-13 19:18:56 +00:00
271 lines
8.4 KiB
Python
Executable File
271 lines
8.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import logging
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import os
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import platform
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import signal
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import subprocess
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import sys
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import tempfile
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import time
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from pathlib import Path
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import click
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import trezorlib.debuglink
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import trezorlib.device
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from trezorlib._internal.emulator import CoreEmulator
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try:
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import inotify.adapters
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except Exception:
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inotify = None
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HERE = Path(__file__).parent.resolve()
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MICROPYTHON = HERE / "build" / "unix" / "micropython"
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SRC_DIR = HERE / "src"
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PROFILING_WRAPPER = HERE / "prof" / "prof.py"
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PROFILE_BASE = Path.home() / ".trezoremu"
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def run_command_with_emulator(emulator, command):
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with emulator:
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# first start the subprocess
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process = subprocess.Popen(command)
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# After the subprocess is started, ignore SIGINT in parent
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# (so that we don't need to handle KeyboardInterrupts)
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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# SIGINTs will be sent to all children by the OS, so we should be able to safely
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# wait for their exit.
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return process.wait()
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def run_emulator(emulator):
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with emulator:
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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return emulator.wait()
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def watch_emulator(emulator):
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watch = inotify.adapters.InotifyTree(str(SRC_DIR))
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try:
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for _, type_names, _, _ in watch.event_gen(yield_nones=False):
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if "IN_CLOSE_WRITE" in type_names:
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emulator.restart()
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except KeyboardInterrupt:
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emulator.stop()
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return 0
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def run_debugger(emulator):
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os.chdir(emulator.workdir)
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env = emulator.make_env()
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if platform.system() == "Darwin":
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env["PATH"] = "/usr/bin"
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os.execvpe(
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"lldb",
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["lldb", "-f", emulator.executable, "--"] + emulator.make_args(),
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env,
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)
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else:
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os.execvpe(
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"gdb", ["gdb", "--args", emulator.executable] + emulator.make_args(), env
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)
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def _from_env(name):
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return os.environ.get(name) == "1"
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@click.command(
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context_settings=dict(ignore_unknown_options=True, allow_interspersed_args=False)
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)
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# fmt: off
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@click.option("-a", "--disable-animation/--enable-animation", default=_from_env("TREZOR_DISABLE_ANIMATION"), help="Disable animation")
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@click.option("-c", "--command", "run_command", is_flag=True, help="Run command while emulator is running")
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@click.option("-d", "--production/--no-production", default=_from_env("PYOPT"), help="Production mode (debuglink disabled)")
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@click.option("-D", "--debugger", is_flag=True, help="Run emulator in debugger (gdb/lldb)")
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@click.option("--executable", type=click.Path(exists=True, dir_okay=False), default=os.environ.get("MICROPYTHON"), help="Alternate emulator executable")
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@click.option("-g", "--profiling/--no-profiling", default=_from_env("TREZOR_PROFILING"), help="Run with profiler wrapper")
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@click.option("-h", "--headless", is_flag=True, help="Headless mode (no display)")
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@click.option("--heap-size", metavar="SIZE", default="20M", help="Configure heap size")
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@click.option("--main", help="Path to python main file")
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@click.option("--mnemonic", "mnemonics", multiple=True, help="Initialize device with given mnemonic. Specify multiple times for Shamir shares.")
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@click.option("--log-memory/--no-log-memory", default=_from_env("TREZOR_LOG_MEMORY"), help="Print memory usage after workflows")
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@click.option("-o", "--output", type=click.File("w"), default="-", help="Redirect emulator output to file")
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@click.option("-p", "--profile", metavar="NAME", help="Profile name or path")
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@click.option("-P", "--port", metavar="PORT", type=int, default=int(os.environ.get("TREZOR_UDP_PORT", 0)) or None, help="UDP port number")
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@click.option("-q", "--quiet", is_flag=True, help="Silence emulator output")
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@click.option("-s", "--slip0014", is_flag=True, help="Initialize device with SLIP-14 seed (all all all...)")
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@click.option("-t", "--temporary-profile", is_flag=True, help="Create an empty temporary profile")
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@click.option("-w", "--watch", is_flag=True, help="Restart emulator if sources change")
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@click.option("-X", "--extra-arg", "extra_args", multiple=True, help="Extra argument to pass to micropython")
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# fmt: on
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@click.argument("command", nargs=-1, type=click.UNPROCESSED)
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def cli(
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disable_animation,
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run_command,
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production,
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debugger,
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executable,
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profiling,
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headless,
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heap_size,
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main,
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mnemonics,
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log_memory,
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profile,
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port,
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output,
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quiet,
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slip0014,
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temporary_profile,
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watch,
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extra_args,
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command,
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):
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"""Run the trezor-core emulator.
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If -c is specified, extra arguments are treated as a command that is executed with
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the running emulator. This command can access the following environment variables:
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\b
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TREZOR_PROFILE_DIR - path to storage directory
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TREZOR_PATH - trezorlib connection string
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TREZOR_UDP_PORT - UDP port on which the emulator listens
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TREZOR_FIDO2_UDP_PORT - UDP port for FIDO2
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By default, emulator output goes to stdout. If silenced with -q, it is redirected
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to $TREZOR_PROFILE_DIR/trezor.log. You can also specify a custom path with -o.
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"""
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if executable:
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executable = Path(executable)
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else:
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executable = MICROPYTHON
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if command and not run_command:
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raise click.ClickException("Extra arguments found. Did you mean to use -c?")
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if watch and (command or debugger):
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raise click.ClickException("Cannot use -w together with -c or -D")
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if watch and inotify is None:
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raise click.ClickException("inotify module is missing, install with pip")
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if main and profiling:
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raise click.ClickException("Cannot use --main and -g together")
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if slip0014 and mnemonics:
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raise click.ClickException("Cannot use -s and --mnemonic together")
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if slip0014:
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mnemonics = [" ".join(["all"] * 12)]
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if mnemonics and debugger:
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raise click.ClickException("Cannot load mnemonics when running in debugger")
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if mnemonics and production:
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raise click.ClickException("Cannot load mnemonics in production mode")
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if profiling:
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main_args = [str(PROFILING_WRAPPER)]
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elif main:
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main_args = [main]
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else:
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main_args = ["-m", "main"]
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if profile and temporary_profile:
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raise click.ClickException("Cannot use -p and -t together")
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tempdir = None
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if profile:
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if "/" in profile:
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profile_dir = Path(profile)
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else:
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profile_dir = PROFILE_BASE / profile
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elif temporary_profile:
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tempdir = tempfile.TemporaryDirectory(prefix="trezor-emulator-")
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profile_dir = Path(tempdir.name)
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elif "TREZOR_PROFILE_DIR" in os.environ:
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profile_dir = Path(os.environ["TREZOR_PROFILE_DIR"])
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else:
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profile_dir = Path("/var/tmp")
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if quiet:
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output = None
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logger = logging.getLogger("trezorlib._internal.emulator")
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logger.setLevel(logging.INFO)
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logger.addHandler(logging.StreamHandler())
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emulator = CoreEmulator(
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executable,
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profile_dir,
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logfile=output,
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port=port,
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headless=headless,
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debug=not production,
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extra_args=extra_args,
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main_args=main_args,
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heap_size=heap_size,
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disable_animation=disable_animation,
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workdir=SRC_DIR,
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)
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emulator_env = dict(
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TREZOR_PATH=f"udp:127.0.0.1:{emulator.port}",
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TREZOR_PROFILE_DIR=str(profile_dir.resolve()),
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TREZOR_UDP_PORT=str(emulator.port),
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TREZOR_FIDO2_UDP_PORT=str(emulator.port + 2),
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TREZOR_SRC=str(SRC_DIR),
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)
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os.environ.update(emulator_env)
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for k, v in emulator_env.items():
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click.echo(f"{k}={v}")
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if log_memory:
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os.environ["TREZOR_LOG_MEMORY"] = "1"
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if debugger:
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run_debugger(emulator)
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raise RuntimeError("run_debugger should not return")
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emulator.start()
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if mnemonics:
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if slip0014:
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label = "SLIP-0014"
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elif profile:
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label = profile_dir.name
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else:
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label = "Emulator"
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trezorlib.device.wipe(emulator.client)
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trezorlib.debuglink.load_device(
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emulator.client,
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mnemonics,
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pin=None,
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passphrase_protection=False,
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label=label,
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)
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if run_command:
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ret = run_command_with_emulator(emulator, command)
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elif watch:
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ret = watch_emulator(emulator)
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else:
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ret = run_emulator(emulator)
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if tempdir is not None:
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tempdir.cleanup()
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sys.exit(ret)
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if __name__ == "__main__":
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cli()
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