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# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
# SPDX-License-Identifier: Apache-2.0
"""Mixins module."""
from typing import Any
from typing import Optional
from mlia.core.context import Context
class ContextMixin:
"""Mixin for injecting context object."""
context: Context
def set_context(self, context: Context) -> None:
"""Context setter."""
self.context = context
class ParameterResolverMixin:
"""Mixin for parameter resolving."""
context: Context
def get_parameter(
self,
section: str,
name: str,
expected: bool = True,
expected_type: Optional[type] = None,
context: Optional[Context] = None,
) -> Any:
"""Get parameter value."""
ctx = context or self.context
if ctx.config_parameters is None:
raise Exception("Configuration parameters are not set")
section_params = ctx.config_parameters.get(section)
if section_params is None or not isinstance(section_params, dict):
raise Exception(
f"Parameter section {section} has wrong format, "
"expected to be a dictionary"
)
value = section_params.get(name)
if not value and expected:
raise Exception(f"Parameter {name} is not set")
if value and expected_type is not None and not isinstance(value, expected_type):
raise Exception(f"Parameter {name} expected to have type {expected_type}")
return value
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