Files
trezor-agent/libagent/device/trezor_defs.py
2020-04-09 14:41:56 +02:00

31 lines
894 B
Python

"""TREZOR-related definitions."""
# pylint: disable=unused-import,import-error,no-name-in-module,no-member
import os
import logging
import mnemonic
import semver
import trezorlib
from trezorlib.client import TrezorClient as Client, PASSPHRASE_TEST_PATH
from trezorlib.exceptions import TrezorFailure, PinException
from trezorlib.transport import get_transport
from trezorlib.messages import IdentityType
from trezorlib.btc import get_address, get_public_node
from trezorlib.misc import sign_identity, get_ecdh_session_key
log = logging.getLogger(__name__)
def find_device():
"""Selects a transport based on `TREZOR_PATH` environment variable.
If unset, picks first connected device.
"""
try:
return get_transport(os.environ.get("TREZOR_PATH"))
except Exception as e: # pylint: disable=broad-except
log.debug("Failed to find a Trezor device: %s", e)