How to use delete_downloaded_file method in SeleniumBase

Best Python code snippet using SeleniumBase

lambda_function.py

Source:lambda_function.py

...51            timestamp = event[source_prefix]["SubmitTime"]52            logger.debug(f"Retrieving topic dict for {TMP_DIR+TOPICS_FILE_NAME}")53            pubish_topics(source_prefix, job_id, timestamp, doc_topics_file_name=TMP_DIR + TOPICS_FILE_NAME)54            logger.debug("Complete topic publishing")55            delete_downloaded_file(TMP_DIR + TOPICS_FILE_NAME)  # delete the topics csv file56def topic_mapping_handler(event, context):57    records = event["Records"]58    logger.debug("Staring to process the records")59    try:60        for record in records:61            logger.debug(f"Records is {record}")62            message = json.loads(record["body"])63            publish_topic_id_mapping(message["Platform"], message["JobId"], message["SubmitTime"], message["Topic"])64    except Exception as e:65        logger.error(f"Error occured when processing topics: {e}")66        raise e67    logger.debug("Publishing topics mappings complete")68def topic_terms_handler(event, context):69    source_prefix_list = os.environ["SOURCE_PREFIX"].lower().split(",")70    for source_prefix in source_prefix_list:71        file_available = False72        try:73            file_available = is_file_available(event, source_prefix, TERMS_FILE_NAME)74        except IngestionSourcePrefixMissingError as prefix_error:75            logger.error(f"Received prefix missing error - {prefix_error} for prefix: {source_prefix}")76            continue77        if file_available:78            # get job ID and timestamp details79            job_id = event[source_prefix]["JobId"]80            timestamp = event[source_prefix]["SubmitTime"]81            publish_topics(job_id, timestamp, topic_terms_file_name=TMP_DIR + TERMS_FILE_NAME)82            logger.debug("Publishing topics terms complete")83            delete_downloaded_file(TMP_DIR + TERMS_FILE_NAME)  # delete the terms csv file84def is_file_available(event, source_prefix, file_to_extract):85    if event.get(source_prefix, None):86        s3_uri_parse = urlparse(event[source_prefix]["OutputDataConfig"]["S3Uri"])87        bucket = s3_uri_parse.netloc88        key = s3_uri_parse.path.lstrip("/")89        logger.debug("Bucket is " + bucket + " and key is " + key)90        file_name = os.path.basename(key)91        logger.debug("File name is " + file_name)92        try:93            """94            Lambda functions provide a /tmp directory to store temporary files.95            This is not the same /tmp as on a conventional unix OR linux96            system. Hence suppressing the rule97            """98            s3.download_file(bucket, key, TMP_DIR + file_name)99            logger.debug(file_name + " downloaded from S3 bucket")100            if tarfile.is_tarfile(TMP_DIR + file_name):101                # This archive is generated by AWS Comprehend Topic Modeling job and stored in an S3 bucket.102                # The bucket permissions only allow the comprehend job and lambda function to read/ write from it103                archive_file = tarfile.open(TMP_DIR + file_name)104                file_list = archive_file.getnames()105                logger.debug(f"File list length is {len(file_list)} and files in the archive {file_list}")106                if len(file_list) != 2 and not (TOPICS_FILE_NAME in file_list and TERMS_FILE_NAME in file_list):107                    raise IncorrectTarFileException(108                        "Either number of files in the archive are not 2 or file names are not as expected in the archive. May not be a valid archive"109                    )110                archive_file.extractall(TMP_DIR, member_file_to_extract(archive_file, file_to_extract))111            archive_file.close()112            delete_downloaded_file(TMP_DIR + file_name)  # delete the downloaded archive113            logger.debug(f"Extraction complete. Files in the directory are {os.listdir(TMP_DIR)}")114            return True115        except Exception as e:116            logger.error(f"Error occured when processing topics: ${str(e)}")117            raise e118    else:119        logger.error(f"Ingestion source prefix information not available in event to process data")120        raise IngestionSourcePrefixMissingError(121            "Ingestion source prefix information not available in event to process data"122        )123def member_file_to_extract(archive_file, file_to_extract):124    for tarinfo in archive_file:125        logger.debug(f"File name in archive: {tarinfo.name} and ")126        if os.path.basename(tarinfo.name) == file_to_extract:127            logger.debug(f"inside if loop {tarinfo}")128            yield tarinfo129def delete_downloaded_file(file_path):130    """131    This method deletes the file name that is passed to it from the /tmp/ directory.132    """133    os.remove(file_path)...

fetch_article.py

Source:fetch_article.py

...19            if chunk:20                f.write(chunk)21                f.flush()22    return local_filename23def delete_downloaded_file(file_name):24     os.unlink(file_name)25def get_favicon(url):26    parts = urlparse(url)27    return "{}://{}/favicon.ico".format(parts.scheme, parts.netloc)28@app.task(name='fetch-article')29def fetch_article_action(input_payload):30    with time_print(logging, "Fetching article"):31        result_payloads = do_fetch_article(input_payload)32    return result_payloads33def extract_metadata(source):34    logging.info("-"*70)35    logging.info("-"*70)36    logging.info("-"*70)37    logging.info(source)38    logging.info("-"*70)39    logging.info("-"*70)40    logging.info("-"*70)41    article = Schemato(source)42    metadata = {}43    d1 = ParselyDistiller(article)44    try:45        metadata = d1.distill()46    except AttributeError:47        logging.exception("ParselyDistiller failed to extract metadata from article")48        try:49            d2 = NewsDistiller(article)50            metadata = d2.distill()51        except AttributeError:52            logging.exception("NewsDistiller failed to extract metadata from article")53    if metadata:54        logging.info("Yay, extracted metadata:")55        logging.info(metadata)56    return metadata57def read_file(file_name):58    with open(file_name) as f:59        result = f.read()60    return result61def do_fetch_article(input_payload):62    logging.info("Fetching article from social post")63    result_payloads = []64    for link in input_payload["urls"]:65        url = link.get("expanded_url")66        display_url = link.get("display_url")67        shortened_url = link.get("url")68        file_name = download_file(url)69        text = textract.process(file_name)70        logging.info("Extracted article text ({} characters)".format(len(text)))71        metadata = {}72        try:73            metadata = extract_metadata(file_name)74        except:75            logging.exception("Failed to extract metadata from {}".format(url))76        delete_downloaded_file(file_name)77        logging.info("Deleted temp file: {}".format(file_name))78        result_payloads.append(79            {80                "contentType": "article-text",81                "key": url,82                "picture": get_favicon(url),83                "summary": {84                    "url": url,85                    "display_url": display_url,86                    "shortened_url": shortened_url,87                    "metadata": metadata88                },89                "raw": {90                    "text": text...

data_load.py

Source:data_load.py

1import datetime2import logging3import pandas as pd4import psycopg25import os6from airflow import DAG7from airflow.hooks.postgres_hook import PostgresHook8from airflow.operators.postgres_operator import PostgresOperator9from airflow.operators.python_operator import PythonOperator10from airflow.providers.google.cloud.transfers.gcs_to_local import GCSToLocalFilesystemOperator11import sql_queries12# FOLDER_ID = '1nj2AXJG10DTjSjL0J17WlDdZeunJQ9r6'#'1rgBurNjLUqErTcaLx0TB53FNWEsausiJhP9Oa3goJSzlv3_xaAjBD8tPz4ROmSIq96KSHggH'13# FILE_NAME = 'user_purchase.csv'#14def delete_file():15    os.remove("user_purchase.csv")16def load_csv(*args, **kwargs):17    table = 'user_purchase'18    cloudsql_hook = PostgresHook(postgres_conn_id="cloudsql")19    conn = cloudsql_hook.get_conn()20    cursor = conn.cursor()21    fpath = 'user_purchase.csv'22    with open('user_purchase.csv', "r") as f:23        next(f)24        cursor.copy_expert("COPY user_purchase FROM STDIN WITH CSV HEADER", f)25        conn.commit()26    # with open(fpath, 'r') as f:27    #     next(f)28    #     cursor.copy_expert("COPY users.user_purchase FROM STDIN WITH CSV HEADER", f)29    #     conn.commit()30    #31    # # CSV loading to table32    # with open(file_path("cities_clean.csv"), "r") as f:33    #     next(f)34    #     curr.copy_from(f, 'cities', sep=",")35    #     get_postgres_conn.commit()36    # print("loading csv done")37    # cursor.close()38dag = DAG(39    'load_users_table',40    start_date=datetime.datetime.now()41)42download_file = GCSToLocalFilesystemOperator(43    dag=dag,44    task_id="download_file",45    object_name='user_purchase.csv',46    bucket='ir-raw-data',47    filename='user_purchase.csv'48)49create_table = PostgresOperator(50    task_id="create_table",51    dag=dag,52    postgres_conn_id="cloudsql",53    sql=sql_queries.CREATE_USER_PURCHASE_TABLE54)55copy_from_gcs = PythonOperator(56    task_id='copy_csv_to_cloudsql',57    dag=dag,58    python_callable=load_csv,59)60delete_downloaded_file = PythonOperator(61    task_id='delete_csv_file',62    dag=dag,63    python_callable=delete_file,64)...

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