SigmaHQ/tools/sigma/backends/discovery.py
2018-07-24 00:01:16 +02:00

50 lines
1.6 KiB
Python

# Output backends for sigmac
# Copyright 2016-2018 Thomas Patzke, Florian Roth
# This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>.
import sys
import json
import re
import sigma.backends
from .base import BaseBackend
import pkgutil
import importlib
import os
def getAllSubclasses(cls):
for subcls in cls.__subclasses__():
yield from getAllSubclasses(subcls)
yield cls
def getBackendList():
"""Return list of backend classes"""
path = os.path.dirname(__file__)
backend_classes = list()
for finder, name, ispkg in pkgutil.iter_modules([ path ]):
module = importlib.import_module("." + name, __package__)
for name, cls in vars(module).items():
if type(cls) == type and issubclass(cls, BaseBackend) and cls.active:
backend_classes.append(cls)
return backend_classes
def getBackendDict():
return {cls.identifier: cls for cls in getBackendList() }
def getBackend(name):
try:
return getBackendDict()[name]
except KeyError as e:
raise LookupError("Backend not found") from e