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# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import importlib.util
import json
import sys
import types
import docstring_parser
def import_from_path(module_name, file_path):
"""Import a module given its name and file path."""
spec = importlib.util.spec_from_file_location(module_name, file_path)
module = importlib.util.module_from_spec(spec)
sys.modules[module_name] = module
spec.loader.exec_module(module)
return module
class Routine:
def __init__(
self,
name: str,
description: str,
parameters: dict[str, str],
fn: callable,
returns: dict[str, str] | None = None,
module: str | None = None,
source_file: str | None = None,
) -> None:
self.name: str = name
self.description: str = description
self.parameters: dict[str, dict[str, str]] = parameters
self.returns: dict[str, str] | None = returns
self.fn = fn
self.module: str | None = module
self.source_file: str | None = source_file
def __str__(self) -> str:
ret = "Name: " + self.name + "\n"
ret += "Description: " + self.description + "\n"
ret += "Parameters:\n"
for key, props in self.parameters.items():
ret += f" {key}:\n"
for prop, value in props.items():
ret += f" {prop}: {value}\n"
return ret
def to_dict(self) -> dict:
return {
"name": self.name,
"description": self.description,
"parameters": {"type": "object", "properties": self.parameters},
}
def to_json(self) -> str:
return json.dumps(self.to_dict(), indent=4)
class RoutineRegistry:
def __init__(self, routines: list[Routine] | None = None) -> None:
self.routines: list[Routine] = routines if routines is not None else []
def add_routine(self, routine: Routine) -> None:
self.routines.append(routine)
def remove_routine(self, routine: Routine) -> None:
self.routines.remove(routine)
def get_routine_of_name(self, name: str) -> Routine:
return next(
(
routine
for routine in self.routines
if routine.name.lower() == name.lower()
),
None,
)
def to_list(self) -> list[dict]:
return [routine.to_dict() for routine in self.routines]
def to_json(self) -> str:
return json.dumps(self.to_list(), indent=4)
def load_from_file(self, module_name: str, file_path: str) -> None:
module = import_from_path(module_name, file_path)
for name, obj in module.__dict__.items():
if type(obj) == types.FunctionType:
doc = docstring_parser.parse(obj.__doc__)
parameters = {
param.arg_name: {
"type": param.type_name,
"description": param.description,
}
for param in doc.params
}
returns = {
"type": doc.returns.type_name,
"description": doc.returns.description,
}
self.add_routine(
Routine(
name,
doc.short_description
+ "\n"
+ (
doc.long_description
if doc.long_description is not None
else ""
),
parameters,
obj,
returns,
module_name,
file_path,
)
)
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