Example #1
0
def run():

    db_config = {
        "host": ConfigRoot.db_host,
        "dbname": ConfigRoot.db_name,
        "user": ConfigRoot.db_user,
        "password": ConfigRoot.db_password,
        "port": ConfigRoot.db_port
    }
    db_connection, db_cursor = db_manager.open_db_connection(db_config)

    table_name_ref_articles_old = ConfigIndexBase.table_name_ref_articles
    table_name_ref_articles_new = table_name_ref_articles_old + "_random_subset"
    ConfigIndexBase.table_name_ref_articles = table_name_ref_articles_new

    create_main_reference_table(
        db_cursor, db_connection, table_name_ref_articles_old,
        table_name_ref_articles_new)  # TODO: comment this out if not needed

    for i in range(100):

        if i == 0:
            trainer1 = None
            trainer2 = None

        trainer1, trainer2 = train(
            trainer1, trainer2)  # TODO: comment this out if not needed
        drop_index(db_cursor,
                   db_connection)  # TODO: comment this out if not needed
        create_index(trainer1,
                     trainer2)  # TODO: comment this out if not needed
        compare_index(db_cursor, i)  # TODO: comment this out if not needed

    db_manager.close_db_connection(db_connection, db_cursor)
Example #2
0
def stream_from_db_with_predictions(ske_config, db_config, index_table_name):

    log_manager.debug_global("Streaming from DB with predictions ...")

    db_connection = None
    db_cursor = None

    (db_connection,
     db_cursor) = db_manager.open_db_connection(db_config, db_connection,
                                                db_cursor)

    try:

        while True:

            db_cursor.execute(
                sql.SQL(
                    'SELECT *, ("AF: Social Companions" + "AF: Soziale Medien") AS AF_SC_SM '
                    'FROM {index_table_name} '
                    'WHERE already_annotated = FALSE '
                    'AND already_selected = FALSE '  # left-over from the old system
                    "AND ((selected_on IS NULL) OR (selected_on < (NOW() - INTERVAL '2 days'))) "
                    'ORDER BY AF_SC_SM ASC '
                    'LIMIT 1').format(
                        index_table_name=sql.Identifier(index_table_name)))

            result = db_cursor.fetchone()

            url = result["url"]

            _select_text(db_connection, db_cursor, index_table_name, 'url',
                         url)

            options = _preselect_options(result)

            ske_doc = ske_manager.get_doc_from_url(ske_config, url)

            yield {
                "text": ske_doc["text"],
                "options": options['cats_as_options'],
                "accept": options['options_accepted'],
                "meta": {
                    "url": url,
                    "scores": options['scores_text']
                }
            }

    except Exception as ex:
        print(ex)

    finally:
        db_manager.close_db_connection(db_connection, db_cursor)
Example #3
0
def create_tables(db_config, index1_table_name, index2_table_names):

    (db_connection, db_cursor) = db_manager.open_db_connection(db_config)

    try:

        log_manager.debug_global("Dropping tables ...")
        db_cursor.execute(
            sql.SQL("""
                DROP TABLE IF EXISTS {table_keywords}, {table_scores}, {table_tokens} CASCADE;
                DROP INDEX IF EXISTS {score_idx} CASCADE;
            """).format(
                table_keywords=sql.Identifier(index2_table_names['keywords']),
                table_scores=sql.Identifier(index2_table_names['scores']),
                table_tokens=sql.Identifier(index2_table_names['tokens']),
                score_idx=sql.Identifier(
                    'index_2__mara002__lmvr_scores_score_rarity_diversity_idx')
            ))

        # table 1: keywords
        log_manager.debug_global(
            f"Creating table {index2_table_names['keywords']} ...")

        db_cursor.execute(
            sql.SQL("""
                CREATE TABLE {table} (
                    {pk} varchar NOT NULL,
                    corpus_count int4 NOT NULL,
                    category varchar NOT NULL,
                    CONSTRAINT index_2__mara002__lmvr_keywords_pk PRIMARY KEY ({pk})
                );
            """).format(table=sql.Identifier(index2_table_names['keywords']),
                        pk=sql.Identifier('keyword_id')))

        # table 2: texts + scores
        log_manager.debug_global(
            f"Creating table {index2_table_names['scores']} ...")

        db_cursor.execute(
            sql.SQL("""
                CREATE TABLE {table} (
                    {pk} varchar NOT NULL,
                    {score1} numeric NOT NULL,
                    already_annotated bool NULL,
                    selected_on timestamptz NULL,
                    CONSTRAINT index_2__mara002__lmvr_scores_pk PRIMARY KEY ({pk})
                );
                CREATE INDEX index_2__mara002__lmvr_scores_score_rarity_diversity_idx
                    ON {table}
                    USING btree
                    ({score1} DESC);
            """).format(table=sql.Identifier(index2_table_names['scores']),
                        pk=sql.Identifier('docid'),
                        score1=sql.Identifier('score_rarity_diversity')))

        # table 3: keywords in texts
        log_manager.debug_global(
            f"Creating table {index2_table_names['tokens']} ...")

        db_cursor.execute(
            sql.SQL("""
                CREATE TABLE {table} (
                    {fk_texts} varchar NOT NULL,
                    {fk_kw} varchar NOT NULL,
                    token_count int4 NOT NULL DEFAULT 0,
                    CONSTRAINT index_2__mara002__lmvr_tokens_pk PRIMARY KEY ({fk_texts}, {fk_kw}),
                    CONSTRAINT index_2__mara002__lmvr_tokens_fk FOREIGN KEY ({fk_texts})
                        REFERENCES {table_texts}({fk_texts})
                        ON UPDATE CASCADE
                        ON DELETE CASCADE,
                    CONSTRAINT index_2__mara002__lmvr_tokens_fk_keyword FOREIGN KEY ({fk_kw})
                        REFERENCES {table_kw}({fk_kw})
                        ON UPDATE CASCADE
                        ON DELETE CASCADE
                );
            """).format(
                table=sql.Identifier(index2_table_names['tokens']),
                table_texts=sql.Identifier(index2_table_names['scores']),
                fk_texts=sql.Identifier('docid'),
                table_kw=sql.Identifier(index2_table_names['keywords']),
                fk_kw=sql.Identifier('keyword_id')))

        db_connection.commit()

    except Exception as e:

        db_connection.rollback()
        raise e

    finally:
        db_manager.close_db_connection(db_connection, db_cursor)

    return  # TODO: Is this empty return on purpose?
def run():

    # get the VR info
    eval_data_container = main.load_gold_data(ConfigLoadG1)
    eval_data_container_VR = main.transform_gold_data(ConfigTransformG1VR,
                                                      eval_data_container)
    df_VR = pd.DataFrame(
        data=[{
            "article_id": gdi.article_id,
            "VR=ja": gdi.cats['Verantwortungsreferenz'] == 1,
        } for gdi in eval_data_container_VR.gold_data_item_list])

    # get the AF info
    eval_data_container = main.load_gold_data(ConfigLoadG1)
    eval_data_container_AF = main.transform_gold_data(
        ConfigTransformG1AF_Part1, eval_data_container)
    #eval_data_container_AF = main.transform_gold_data(ConfigTransformG1AF_Part2, eval_data_container_AF)
    df_AF = pd.DataFrame(data=[{
        "article_id": gdi.article_id,
        "AF=SM": gdi.cats['AF: Soziale Medien'] == 1,
        "AF=SC": gdi.cats['AF: Social Companions'] == 1,
    } for gdi in eval_data_container_AF.gold_data_item_list])

    # for each text, read from the DB how many LM it contains
    db_connection, db_cursor = db_manager.open_db_connection(
        db_config={
            "host": credentials.db_host,
            "dbname": credentials.db_name,
            "user": credentials.db_user,
            "password": credentials.db_password,
            "port": credentials.db_port
        })

    db_cursor.execute(
        sql.SQL("""
            select 
                t.docid as id, 
                count(distinct t.keyword_id) as dist, 
                sum(t.token_count) as total
            from {table_name} as t 
            where t.docid = any( %(docid_list)s )
            group by t.docid
            order by t.docid asc
        """).format(
            table_name=sql.Identifier('index_2__mara002__lmvr_tokens')), {
                'docid_list': [
                    gdi.article_id
                    for gdi in eval_data_container.gold_data_item_list
                ],
            })
    results = db_cursor.fetchall()
    df_LM = pd.DataFrame(data=[{
        "article_id": r['id'],
        "LMs total": r['total'],
        "LMs distinct": r['dist'],
    } for r in results])

    # close db connection
    db_manager.close_db_connection(db_connection, db_cursor)

    # merge the 3 dataframes
    df = df_LM.merge(df_AF, how='outer', on='article_id')
    df = df.merge(df_VR, how='outer', on='article_id')
    # the LM table in the db doesn't contain all texts, so we have NaN values. Replace those with 0.
    df['LMs total'] = df['LMs total'].fillna(0)
    df['LMs distinct'] = df['LMs distinct'].fillna(0)

    # define shortcuts to filter the dataframe
    maskAF = (df['AF=SC'] == True) | (df['AF=SM'] == True)
    maskVR = (df['VR=ja'] == True)

    main.log_manager.info_global(
        "--------------------------------\n"
        "Calculations complete. \n"
        "You can now access the DataFrame as `df`. \n"
        "There are 2 masks provided as `maskAF` (SC or SM) and `maskVR` (trivial). \n"
    )

    # usage example:
    # df[maskAF & maskVR]
    # df[~maskVR]

    embed()
Example #5
0
def stream_from_db_with_lmvr_keywords(ske_config, db_config, index1_table_name,
                                      index2_table_names,
                                      ske_translation_table_name):

    log_manager.debug_global("Streaming from database (index2) ...")

    # open db connection
    db_connection = None
    db_cursor = None

    (db_connection,
     db_cursor) = db_manager.open_db_connection(db_config, db_connection,
                                                db_cursor)
    # Don't know where to close the DB connection!

    while True:

        db_cursor.execute(
            sql.SQL("""
                SELECT *
                FROM {idx2_table} AS idx2
                INNER JOIN {ske_table} AS ske
                    ON ske.{ske_fk_idx2} = idx2.{idx2_fk_ske}
                INNER JOIN {idx1_table} AS idx1
                    ON idx1.{idx1_pk} = ske.{ske_fk_idx1}
                WHERE   idx1.already_annotated = FALSE
                    AND idx2.already_annotated = FALSE
                    AND idx1.already_selected = FALSE
                    AND ((idx1.selected_on IS NULL) OR (idx1.selected_on < (NOW() - INTERVAL '2 days')))
                    AND ((idx2.selected_on IS NULL) OR (idx2.selected_on < (NOW() - INTERVAL '2 days')))
                ORDER BY idx2.score_rarity_diversity DESC
                LIMIT 1
            """).format(idx2_table=sql.Identifier(
                index2_table_names['scores']),
                        idx2_fk_ske=sql.Identifier('docid'),
                        ske_table=sql.Identifier(ske_translation_table_name),
                        ske_fk_idx2=sql.Identifier('docid'),
                        ske_fk_idx1=sql.Identifier('url_index1'),
                        idx1_table=sql.Identifier(index1_table_name),
                        idx1_pk=sql.Identifier('url')))

        result = db_cursor.fetchone()

        # log_manager.debug_global(f"Result={result}")

        url = result['url']
        docid = result['docid']
        # log_manager.debug_global(f"Selected text with url={url}, docid={docid}")

        # Store the information that this URL is getting selected now
        _select_text(db_connection, db_cursor, index1_table_name, 'url', url)
        _select_text(db_connection, db_cursor, index2_table_names['scores'],
                     'docid', docid)

        # Calculate the preselection options based on model predictions
        # (Will be empty if there are no predictions for this URL)
        options = _preselect_options(result)

        # Get this text's LMVR token counts
        db_cursor.execute(
            sql.SQL("""
                SELECT keyword_id, token_count
                FROM {tokens_table}
                WHERE docid = %(docid)s
                    AND token_count > 0
            """).format(tokens_table=sql.Identifier(
                index2_table_names['tokens']), ), {'docid': docid})
        lmvr_count = {
            row['keyword_id']: int(row['token_count'])
            for row in db_cursor.fetchall()
        }
        lmvr_count_text = json.dumps(lmvr_count,
                                     ensure_ascii=False,
                                     sort_keys=True)

        # retrieving the text
        ske_doc = ske_manager.get_doc_from_url(ske_config, url)

        log_manager.debug_global("  Feeding this text into prodigy ...")

        yield {
            "text": ske_doc["text"],
            "options": options['cats_as_options'],
            "accept": options['options_accepted'],
            "meta": {
                "docid": result['docid'],
                "url": url,
                "category scores": options['scores_text'],
                "LMVR count": lmvr_count_text,
                "LMVR score": result['score_rarity_diversity']
            }
        }
Example #6
0
def index_articles(ske_config, db_config, index_table_name, trainer,
                   table_name_ref_articles, should_do_dummy_run):

    if index_table_name is None or trainer is None or table_name_ref_articles is None:
        raise Exception("Necessary objects have not been initialized.")

    db_connection, db_cursor = db_manager.open_db_connection(db_config)

    def _init_index_table():

        log_manager.info_global(
            "Checking if index table exists or if it needs to be created")
        pos_start = None

        db_cursor.execute(
            sql.SQL("""
                SELECT * 
                FROM information_schema.tables
                WHERE table_name = {index_table_name}
            """).format(index_table_name=sql.Literal(index_table_name)))

        if db_cursor.rowcount == 1:

            log_manager.info_global(
                f"Index table exists, fetching highest pos to start / continue from"
            )

            db_cursor.execute(
                sql.SQL("""
                    SELECT MAX(pos_mara002)
                    FROM {index_table_name}
                """).format(index_table_name=sql.Identifier(index_table_name)))

            pos_start = db_cursor.fetchone()["max"]
            if pos_start is None:
                # So that when asking in _populate_index_table for WHERE pos > pos_start, the zero element will be used too
                pos_start = -1

        else:

            log_manager.info_global(
                f"Index table does not exist, creating it and start from pos > -1"
            )

            sql_cat_col_list = [
                sql.SQL("  {c} DECIMAL,\n").format(c=sql.Identifier(cat))
                for cat in trainer.cats
            ]
            sql_stmt_define_cat_cols = reduce(lambda a, b: a + b,
                                              sql_cat_col_list)

            sql_stmt_create_table = sql.SQL(
                "CREATE TABLE {index_table_name} (\n"
                "   pos_mara002 INT,\n"
                "{cols}"
                "   PRIMARY KEY (pos_mara002),"
                "   CONSTRAINT fkc FOREIGN KEY(pos_mara002) REFERENCES {table_name_ref_articles}(pos_mara002)"
                ")").format(index_table_name=sql.Identifier(index_table_name),
                            cols=sql_stmt_define_cat_cols,
                            table_name_ref_articles=sql.Identifier(
                                table_name_ref_articles))

            log_manager.info_global(
                f"create table sql statement:\n{sql_stmt_create_table.as_string(db_cursor)}"
            )
            db_cursor.execute(sql_stmt_create_table)

            # So that when asking in _populate_index_table for WHERE pos > pos_start, the zero element will be used too
            pos_start = -1

        db_connection.commit()
        return pos_start

    def _populate_index_table(pos_start):

        log_manager.info_global(f"Start indexing at pos > {pos_start}")
        trainer.nlp.max_length = 3000000

        if should_do_dummy_run:
            limit = sql.SQL("LIMIT 20")
        else:
            limit = sql.SQL("")

        db_cursor.execute(
            sql.SQL("""
                SELECT * 
                FROM {table_name_ref_articles}
                WHERE pos_mara002 > {pos_start}
                ORDER BY pos_mara002
                {limit}
            """).format(table_name_ref_articles=sql.Identifier(
                table_name_ref_articles),
                        pos_start=sql.Literal(pos_start),
                        limit=limit))

        pos_last = ske_manager.get_last_pos(ske_config)
        pos_percent_step = int((pos_last - pos_start) / 1000)
        pos_percent_current = pos_percent_step

        for dict_row in db_cursor.fetchall():

            pos = dict_row["pos_mara002"]

            if pos > pos_percent_current:
                log_manager.info_global(
                    f"Currently at {round(pos_percent_current / pos_percent_step / 10, 1)}% ; at pos {pos} out of {pos_last}"
                )
                pos_percent_current += pos_percent_step
                db_connection.commit()

            text = ske_manager.get_doc_from_pos(ske_config, pos)["text"]
            cats = trainer.nlp(text).cats

            sql_col_list = [sql.Identifier("pos_mara002")]
            sql_val_list = [sql.Literal(pos)]
            for k, v in cats.items():
                sql_col_list.append(sql.Identifier(k))
                sql_val_list.append(sql.Literal(round(v, 6)))
            sql_col_stmt = sql.SQL(", ").join(sql_col_list)
            sql_val_stmt = sql.SQL(", ").join(sql_val_list)

            db_cursor.execute(
                sql.SQL("""
                    INSERT INTO {index_table_name}
                    ({cols})
                    VALUES({vals})
                """).format(index_table_name=sql.Identifier(index_table_name),
                            cols=sql_col_stmt,
                            vals=sql_val_stmt))

    def _main():

        try:

            pos_start = _init_index_table()
            _populate_index_table(pos_start)

            db_connection.commit()
            ske_manager.close_session()

        except Exception as e:

            db_connection.rollback()
            ske_manager.close_session()
            raise e

        finally:
            db_manager.close_db_connection(db_connection, db_cursor)

    _main()
        def update(examples):

            log_manager.debug_global("Prodigy: updating ...")

            nonlocal db_connection
            nonlocal db_cursor

            db_connection, db_cursor = db_manager.open_db_connection(
                db_config, db_connection, db_cursor)

            assert db_connection and db_connection.closed == 0  # 0 means 'open'
            assert db_cursor and not db_cursor.closed

            for example in examples:
                try:

                    if index1_table_name and 'url' in example['meta']:
                        url = example['meta']['url']

                        log_manager.debug_global(
                            f"Storing annotation meta info for url={url} in table {index1_table_name} ..."
                        )

                        db_cursor.execute(
                            sql.SQL("UPDATE {index_table_name} "
                                    "SET already_annotated = TRUE "
                                    "WHERE {pk} = %(value)s").format(
                                        index_table_name=sql.Identifier(
                                            index1_table_name),
                                        pk=sql.Identifier('url')),
                            {'value': url})

                    # TODO: this could be made safer to ensure
                    # that index2 won't be updated accidentally with 'already_annotated'
                    # when we are actually only streaming from index1.
                    #
                    # Curently the stream from index1 does not set 'docid' in example['meta'],
                    # but this may not be good to rely on.
                    if index2_table_names and 'docid' in example['meta']:
                        docid = example['meta']['docid']

                        log_manager.debug_global(
                            f"Storing annotation meta info for docid={docid} in table {index2_table_names['scores']} ..."
                        )

                        db_cursor.execute(
                            sql.SQL("UPDATE {index_table_name} "
                                    "SET already_annotated = TRUE "
                                    "WHERE {pk} = %(value)s").format(
                                        index_table_name=sql.Identifier(
                                            index2_table_names['scores']),
                                        pk=sql.Identifier('docid')),
                            {'value': docid})

                    db_connection.commit()

                except Exception as ex:

                    log_manager.info_global(
                        f"Error storing an annotation in the database: {ex}")

                    db_connection.rollback()
def run(ske_config,
        db_config,
        docid_table_name,
        index1_table_name,
        index2_table_names,
        should_drop_create_table=False):

    (db_connection, db_cursor) = db_manager.open_db_connection(db_config)

    if should_drop_create_table:

        create_table(db_connection, db_cursor, docid_table_name)

    # Direction 1: look for URLs that are not yet in the translation table

    # Hannes says that pos -> docid is faster than docid -> pos
    # because the SKE uses pos as internal indices

    log_manager.debug_global("Looking for URLs ...")
    url_records = select_urls_from_index1(db_cursor, docid_table_name,
                                          index1_table_name)
    log_manager.info_global(f"Found {len(url_records)} URLs to be converted. ")

    if len(url_records) > 0:

        ske_manager.create_session(ske_config)

        progressbar = progress.bar.Bar(
            'Converting URLs to docid',
            max=len(url_records),
            suffix='%(index)d/%(max)d done, ETA: %(eta_td)s h')

        for record in url_records:
            url = record['url']
            pos = ske_manager.get_pos_from_url(url)
            docid = ske_manager.get_docid_from_pos(
                ske_config, pos)  # this calls the API endpoing 'fullref'
            insert_into_table(db_connection, db_cursor, docid_table_name,
                              docid, pos, url)
            progressbar.next()

        progressbar.finish()

    # Direction 2: look for docids that are not yet in the translation table

    log_manager.debug_global("Looking for docids ...")
    docid_records = select_docids_from_index2(db_cursor, docid_table_name,
                                              index2_table_names)
    log_manager.debug_global(
        f"Found {len(docid_records)} docids to be converted.")

    if len(docid_records) > 0:

        ske_manager.create_session(ske_config)

        progressbar = progress.bar.Bar(
            'Converting docids to URLs',
            max=len(docid_records),
            suffix='%(index)d/%(max)d done, ETA: %(eta_td)s h')

        for record in docid_records:
            docid = record['docid']
            pos = ske_manager.get_pos_from_docid(
                ske_config, docid)  # this calls the API endpoint 'first'
            url = ske_manager.get_url_from_pos(ske_config, pos)
            insert_into_table(db_connection, db_cursor, docid_table_name,
                              docid, pos, url)
            progressbar.next()

        progressbar.finish()

    # All set!

    ske_manager.close_session()

    db_manager.close_db_connection(db_connection, db_cursor)

    return