Python performance test

performance_algorithm.py

import timeit

black_list = ["status", "components", "exposed_id", "external_id", "gaucha_id", "publish_scheduled",
              "created", "origin_link", "canonical", "friendly_title", "friendly_title_history"]

input_data = {
    "x": 1,
    "_id": 1,
    "_created": 1,
    "_updated": 1,
    "status": 1,
    "y": 1,
}

def remove_fields_from_article(data, black_list):
    new_article = {}
    for key in data:
        if not key.startswith('_') and key not in black_list:
            new_article[key] = data[key]
    return new_article

print(timeit.timeit('remove_fields_from_article(input_data, black_list)', globals=globals()))
# 1.7095878859981894

def remove_fields_from_article(data, black_list):
    new_article = {}
    keys = list(filter(lambda key: not key.startswith('_') and key not in black_list, list(data.keys())))
    for key in keys:
        new_article[key] = data[key]
    return new_article

print(timeit.timeit('remove_fields_from_article(input_data, black_list)', globals=globals()))
# 3.507615328009706

def remove_fields_from_article(data, black_list):
    new_article = {}
    [new_article.update({key: data[key]}) for key in data if not key.startswith('_') and key not in black_list]
    return new_article

print(timeit.timeit('remove_fields_from_article(input_data, black_list)', globals=globals()))
# 2.7314564289990813