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29 lines
844 B
Python
29 lines
844 B
Python
"""TREZOR-related definitions."""
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# pylint: disable=unused-import,import-error
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import os
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import logging
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from trezorlib.client import CallException, PinException
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from trezorlib.client import TrezorClient as Client
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from trezorlib.messages import IdentityType, PassphraseAck, PinMatrixAck, PassphraseStateAck
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try:
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from trezorlib.transport import get_transport
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except ImportError:
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from trezorlib.device import TrezorDevice
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get_transport = TrezorDevice.find_by_path
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log = logging.getLogger(__name__)
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def find_device():
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"""Selects a transport based on `TREZOR_PATH` environment variable.
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If unset, picks first connected device.
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"""
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try:
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return get_transport(os.environ.get("TREZOR_PATH"))
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except Exception as e: # pylint: disable=broad-except
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log.debug("Failed to find a Trezor device: %s", e)
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