177 lines
8.9 KiB
Python
177 lines
8.9 KiB
Python
#!.venv/bin/python
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import logging
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import asyncio
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from utils.database import FLAG_TO_TIMESTAMP, BATCH_SIZE
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logger = logging.getLogger(__name__)
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async def load_data(cfg: object, matrice_valori: list, pool: object) -> bool:
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"""Carica una lista di record di dati grezzi nel database.
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Esegue un'operazione di inserimento massivo (executemany) per caricare i dati.
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Utilizza la clausola 'ON DUPLICATE KEY UPDATE' per aggiornare i record esistenti.
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Implementa una logica di re-tentativo in caso di deadlock.
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Args:
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cfg (object): L'oggetto di configurazione contenente i nomi delle tabelle e i parametri di re-tentativo.
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matrice_valori (list): Una lista di tuple, dove ogni tupla rappresenta una riga da inserire.
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pool (object): Il pool di connessioni al database.
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Returns:
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bool: True se il caricamento ha avuto successo, False altrimenti.
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"""
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if not matrice_valori:
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logger.info("Nulla da caricare.")
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return True
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sql_insert_RAWDATA = f"""
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INSERT INTO {cfg.dbrawdata} (
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`UnitName`,`ToolNameID`,`NodeNum`,`EventDate`,`EventTime`,`BatLevel`,`Temperature`,
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`Val0`,`Val1`,`Val2`,`Val3`,`Val4`,`Val5`,`Val6`,`Val7`,
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`Val8`,`Val9`,`ValA`,`ValB`,`ValC`,`ValD`,`ValE`,`ValF`,
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`BatLevelModule`,`TemperatureModule`, `RssiModule`
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)
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VALUES (
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%s, %s, %s, %s, %s, %s, %s,
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%s, %s, %s, %s, %s, %s, %s, %s,
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%s, %s, %s, %s, %s, %s, %s, %s,
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%s, %s, %s
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) as new_data
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ON DUPLICATE KEY UPDATE
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`BatLevel` = IF({cfg.dbrawdata}.`BatLevel` != new_data.`BatLevel`, new_data.`BatLevel`, {cfg.dbrawdata}.`BatLevel`),
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`Temperature` = IF({cfg.dbrawdata}.`Temperature` != new_data.Temperature, new_data.Temperature, {cfg.dbrawdata}.`Temperature`),
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`Val0` = IF({cfg.dbrawdata}.`Val0` != new_data.Val0 AND new_data.`Val0` IS NOT NULL, new_data.Val0, {cfg.dbrawdata}.`Val0`),
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`Val1` = IF({cfg.dbrawdata}.`Val1` != new_data.Val1 AND new_data.`Val1` IS NOT NULL, new_data.Val1, {cfg.dbrawdata}.`Val1`),
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`Val2` = IF({cfg.dbrawdata}.`Val2` != new_data.Val2 AND new_data.`Val2` IS NOT NULL, new_data.Val2, {cfg.dbrawdata}.`Val2`),
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`Val3` = IF({cfg.dbrawdata}.`Val3` != new_data.Val3 AND new_data.`Val3` IS NOT NULL, new_data.Val3, {cfg.dbrawdata}.`Val3`),
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`Val4` = IF({cfg.dbrawdata}.`Val4` != new_data.Val4 AND new_data.`Val4` IS NOT NULL, new_data.Val4, {cfg.dbrawdata}.`Val4`),
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`Val5` = IF({cfg.dbrawdata}.`Val5` != new_data.Val5 AND new_data.`Val5` IS NOT NULL, new_data.Val5, {cfg.dbrawdata}.`Val5`),
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`Val6` = IF({cfg.dbrawdata}.`Val6` != new_data.Val6 AND new_data.`Val6` IS NOT NULL, new_data.Val6, {cfg.dbrawdata}.`Val6`),
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`Val7` = IF({cfg.dbrawdata}.`Val7` != new_data.Val7 AND new_data.`Val7` IS NOT NULL, new_data.Val7, {cfg.dbrawdata}.`Val7`),
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`Val8` = IF({cfg.dbrawdata}.`Val8` != new_data.Val8 AND new_data.`Val8` IS NOT NULL, new_data.Val8, {cfg.dbrawdata}.`Val8`),
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`Val9` = IF({cfg.dbrawdata}.`Val9` != new_data.Val9 AND new_data.`Val9` IS NOT NULL, new_data.Val9, {cfg.dbrawdata}.`Val9`),
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`ValA` = IF({cfg.dbrawdata}.`ValA` != new_data.ValA AND new_data.`ValA` IS NOT NULL, new_data.ValA, {cfg.dbrawdata}.`ValA`),
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`ValB` = IF({cfg.dbrawdata}.`ValB` != new_data.ValB AND new_data.`ValB` IS NOT NULL, new_data.ValB, {cfg.dbrawdata}.`ValB`),
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`ValC` = IF({cfg.dbrawdata}.`ValC` != new_data.ValC AND new_data.`ValC` IS NOT NULL, new_data.ValC, {cfg.dbrawdata}.`ValC`),
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`ValD` = IF({cfg.dbrawdata}.`ValD` != new_data.ValD AND new_data.`ValD` IS NOT NULL, new_data.ValD, {cfg.dbrawdata}.`ValD`),
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`ValE` = IF({cfg.dbrawdata}.`ValE` != new_data.ValE AND new_data.`ValE` IS NOT NULL, new_data.ValE, {cfg.dbrawdata}.`ValE`),
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`ValF` = IF({cfg.dbrawdata}.`ValF` != new_data.ValF AND new_data.`ValF` IS NOT NULL, new_data.ValF, {cfg.dbrawdata}.`ValF`),
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`BatLevelModule` = IF({cfg.dbrawdata}.`BatLevelModule` != new_data.BatLevelModule, new_data.BatLevelModule, {cfg.dbrawdata}.`BatLevelModule`),
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`TemperatureModule` = IF({cfg.dbrawdata}.`TemperatureModule` != new_data.TemperatureModule, new_data.TemperatureModule, {cfg.dbrawdata}.`TemperatureModule`),
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`RssiModule` = IF({cfg.dbrawdata}.`RssiModule` != new_data.RssiModule, new_data.RssiModule, {cfg.dbrawdata}.`RssiModule`),
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`Created_at` = NOW()
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"""
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#logger.info(f"Query insert: {sql_insert_RAWDATA}.")
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#logger.info(f"Matrice valori da inserire: {matrice_valori}.")
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rc = False
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async with pool.acquire() as conn:
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async with conn.cursor() as cur:
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for attempt in range(cfg.max_retries):
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try:
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logger.info(f"Loading data attempt {attempt + 1}.")
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for i in range(0, len(matrice_valori), BATCH_SIZE):
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batch = matrice_valori[i:i + BATCH_SIZE]
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await cur.executemany(sql_insert_RAWDATA, batch)
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await conn.commit()
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logger.info(f"Completed batch {i//BATCH_SIZE + 1}/{(len(matrice_valori)-1)//BATCH_SIZE + 1}")
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logger.info("Data loaded.")
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rc = True
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break
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except Exception as e:
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await conn.rollback()
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logger.error(f"Error: {e}.")
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# logger.error(f"Matrice valori da inserire: {batch}.")
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if e.args[0] == 1213: # Deadlock detected
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logger.warning(
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f"Deadlock detected, attempt {attempt + 1}/{cfg.max_retries}"
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)
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if attempt < cfg.max_retries - 1:
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delay = 2 * attempt
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await asyncio.sleep(delay)
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continue
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else:
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logger.error("Max retry attempts reached for deadlock")
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raise
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return rc
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async def update_status(cfg: object, id: int, status: str, pool: object) -> None:
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"""Aggiorna lo stato di un record nella tabella dei record CSV.
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Args:
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cfg (object): L'oggetto di configurazione contenente il nome della tabella.
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id (int): L'ID del record da aggiornare.
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status (int): Il nuovo stato da impostare.
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pool (object): Il pool di connessioni al database.
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"""
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async with pool.acquire() as conn:
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async with conn.cursor() as cur:
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try:
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await cur.execute(
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f"""update {cfg.dbrectable} set
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status = status | {status},
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{FLAG_TO_TIMESTAMP[status]} = now()
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where id = {id}
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"""
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)
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await conn.commit()
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logger.info(f"Status updated id {id}.")
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except Exception as e:
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await conn.rollback()
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logger.error(f"Error: {e}")
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async def unlock(cfg: object, id: int, pool: object) -> None:
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"""Sblocca un record nella tabella dei record CSV.
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Imposta il campo 'locked' a 0 per un dato ID.
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Args:
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cfg (object): L'oggetto di configurazione contenente il nome della tabella.
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id (int): L'ID del record da sbloccare.
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pool (object): Il pool di connessioni al database.
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"""
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async with pool.acquire() as conn:
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async with conn.cursor() as cur:
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try:
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await cur.execute(
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f"update {cfg.dbrectable} set locked = 0 where id = {id}"
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)
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await conn.commit()
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logger.info(f"id {id} unlocked.")
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except Exception as e:
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await conn.rollback()
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logger.error(f"Error: {e}")
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async def get_matlab_cmd(cfg: object, unit: str, tool: str, pool: object) -> tuple:
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"""Recupera le informazioni per l'esecuzione di un comando Matlab dal database.
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Args:
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cfg (object): L'oggetto di configurazione.
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unit (str): Il nome dell'unità.
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tool (str): Il nome dello strumento.
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pool (object): Il pool di connessioni al database.
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Returns:
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tuple: Una tupla contenente le informazioni del comando Matlab, o None in caso di errore.
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"""
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async with pool.acquire() as conn:
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async with conn.cursor() as cur:
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try:
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await cur.execute(f'''select m.matcall, t.ftp_send , t.unit_id, s.`desc` as statustools, t.api_send, u.inoltro_api, u.inoltro_api_url, u.inoltro_api_bearer_token, IFNULL(u.duedate, "") as duedate
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from matfuncs as m
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inner join tools as t on t.matfunc = m.id
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inner join units as u on u.id = t.unit_id
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inner join statustools as s on t.statustool_id = s.id
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where t.name = "{tool}" and u.name = "{unit}"''')
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return cur.fetchone()
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except Exception as e:
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logger.error(f"Error: {e}")
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