mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-24 08:28:12 +00:00
61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
# This file is part of the TREZOR project.
|
|
#
|
|
# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
|
|
# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
|
|
# Copyright (C) 2016 Jochen Hoenicke <hoenicke@gmail.com>
|
|
#
|
|
# This library is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from . import messages
|
|
from . import protobuf
|
|
|
|
map_type_to_class = {}
|
|
map_class_to_type = {}
|
|
|
|
|
|
def build_map():
|
|
for msg_name in dir(messages.MessageType):
|
|
if msg_name.startswith('__'):
|
|
continue
|
|
|
|
try:
|
|
msg_class = getattr(messages, msg_name)
|
|
except AttributeError:
|
|
raise ValueError("Implementation of protobuf message '%s' is missing" % msg_name)
|
|
|
|
if msg_class.MESSAGE_WIRE_TYPE != getattr(messages.MessageType, msg_name):
|
|
raise ValueError("Inconsistent wire type and MessageType record for '%s'" % msg_class)
|
|
|
|
register_message(msg_class)
|
|
|
|
|
|
def register_message(msg_class):
|
|
if msg_class.MESSAGE_WIRE_TYPE in map_type_to_class:
|
|
raise Exception("Message for wire type %s is already registered by %s" %
|
|
(msg_class.MESSAGE_WIRE_TYPE, get_class(msg_class.MESSAGE_WIRE_TYPE)))
|
|
|
|
map_class_to_type[msg_class] = msg_class.MESSAGE_WIRE_TYPE
|
|
map_type_to_class[msg_class.MESSAGE_WIRE_TYPE] = msg_class
|
|
|
|
|
|
def get_type(msg):
|
|
return map_class_to_type[msg.__class__]
|
|
|
|
|
|
def get_class(t):
|
|
return map_type_to_class[t]
|
|
|
|
|
|
build_map()
|