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61 lines (49 loc) · 1.94 KB
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# Copyright 2023 Google LLC
#
# 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 functools
import threading
from typing import List
_lock = threading.Lock()
MAX_LABELS_COUNT = 64
_api_methods: List = []
def class_logger(decorated_cls):
"""Decorator that adds logging functionality to each method of the class."""
for attr_name, attr_value in decorated_cls.__dict__.items():
if callable(attr_value):
setattr(decorated_cls, attr_name, method_logger(attr_value))
return decorated_cls
def method_logger(method):
"""Decorator that adds logging functionality to a method."""
@functools.wraps(method)
def wrapper(*args, **kwargs):
api_method_name = str(method.__name__)
# Track regular and "dunder" methods
if api_method_name.startswith("__") or not api_method_name.startswith("_"):
add_api_method(api_method_name)
return method(*args, **kwargs)
return wrapper
def add_api_method(api_method_name):
global _lock
global _api_methods
with _lock:
# Push the method to the front of the _api_methods list
_api_methods.insert(0, api_method_name)
# Keep the list length within the maximum limit (adjust MAX_LABELS_COUNT as needed)
_api_methods = _api_methods[:MAX_LABELS_COUNT]
def get_and_reset_api_methods():
global _lock
with _lock:
previous_api_methods = list(_api_methods)
_api_methods.clear()
return previous_api_methods