fix connections ML

service/tasks.py

@@ -228,6 +228,7 @@ def raschet():
 
         update_fields_working = update_fields.loc[update_fields.status == 'Working'].reset_index(drop=True)
         update_fields_working = update_fields_working.fillna(0)
+        connection.close()
     except Exception as e:
         log_to_telegram(f'Ошибка при обновлении полей в базе данных: {e}')
     log_to_telegram('Начинается обновление полей в базе')
@@ -242,74 +243,76 @@ def raschet():
         )
         cursor = conn2.cursor()
     except:
+        conn2 = None
         log_to_telegram('Не удалось подключиться к базе данных')
-
     # prediction_current
-    update_records1 = []
+    if conn2 is not None:
-    for i in range(0, len(update_fields)):
+        update_records1 = []
-        update_records1.append((int(update_fields.prediction_current[i]), int(update_fields.id[i])))
+        for i in range(0, len(update_fields)):
-    sql_update_query = """Update service_placementpoint set prediction_current = %s where id = %s"""
+            update_records1.append((int(update_fields.prediction_current[i]), int(update_fields.id[i])))
-    try:
+        sql_update_query = """Update service_placementpoint set prediction_current = %s where id = %s"""
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records1)
+        try:
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records1)
-    except Exception:
+            conn2.commit()
-        cursor.execute('ROLLBACK')
+        except Exception:
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records1)
+            cursor.execute('ROLLBACK')
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records1)
-
+            conn2.commit()
-    # plan_first
+
-    update_records2 = []
+        # plan_first
-    for i in range(0, len(update_fields_working)):
+        update_records2 = []
-        update_records2.append((int(update_fields_working.plan_first[i]), int(update_fields_working.id[i])))
+        for i in range(0, len(update_fields_working)):
-    sql_update_query = """Update service_placementpoint set plan_first = %s where id = %s"""
+            update_records2.append((int(update_fields_working.plan_first[i]), int(update_fields_working.id[i])))
-    try:
+        sql_update_query = """Update service_placementpoint set plan_first = %s where id = %s"""
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records2)
+        try:
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records2)
-    except Exception:
+            conn2.commit()
-        cursor.execute('ROLLBACK')
+        except Exception:
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records2)
+            cursor.execute('ROLLBACK')
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records2)
-
+            conn2.commit()
-    # plan_current
+
-    update_records3 = []
+        # plan_current
-    for i in range(0, len(update_fields_working)):
+        update_records3 = []
-        update_records3.append((int(update_fields_working.plan_current[i]), int(update_fields_working.id[i])))
+        for i in range(0, len(update_fields_working)):
-    sql_update_query = """Update service_placementpoint set plan_current = %s where id = %s"""
+            update_records3.append((int(update_fields_working.plan_current[i]), int(update_fields_working.id[i])))
-    try:
+        sql_update_query = """Update service_placementpoint set plan_current = %s where id = %s"""
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records3)
+        try:
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records3)
-    except Exception:
+            conn2.commit()
-        cursor.execute('ROLLBACK')
+        except Exception:
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records3)
+            cursor.execute('ROLLBACK')
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records3)
-
+            conn2.commit()
-    # delta_first
+
-    update_records4 = []
+        # delta_first
-    for i in range(0, len(update_fields_working)):
+        update_records4 = []
-        update_records4.append((int(update_fields_working.delta_first[i]), int(update_fields_working.id[i])))
+        for i in range(0, len(update_fields_working)):
-    sql_update_query = """Update service_placementpoint set delta_first = %s where id = %s"""
+            update_records4.append((int(update_fields_working.delta_first[i]), int(update_fields_working.id[i])))
-    try:
+        sql_update_query = """Update service_placementpoint set delta_first = %s where id = %s"""
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records4)
+        try:
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records4)
-    except Exception:
+            conn2.commit()
-        cursor.execute('ROLLBACK')
+        except Exception:
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records4)
+            cursor.execute('ROLLBACK')
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records4)
-
+            conn2.commit()
-    # delta_current
+
-    update_records5 = []
+        # delta_current
-    for i in range(0, len(update_fields_working)):
+        update_records5 = []
-        update_records5.append((int(update_fields_working.delta_current[i]), int(update_fields_working.id[i])))
+        for i in range(0, len(update_fields_working)):
-    sql_update_query = """Update service_placementpoint set delta_current = %s where id = %s"""
+            update_records5.append((int(update_fields_working.delta_current[i]), int(update_fields_working.id[i])))
-    try:
+        sql_update_query = """Update service_placementpoint set delta_current = %s where id = %s"""
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records5)
+        try:
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records5)
-    except Exception:
+            conn2.commit()
-        cursor.execute('ROLLBACK')
+        except Exception:
-        psycopg2.extras.execute_batch(cursor, sql_update_query, update_records5)
+            cursor.execute('ROLLBACK')
-        conn2.commit()
+            psycopg2.extras.execute_batch(cursor, sql_update_query, update_records5)
-    cache.clear()
+            conn2.commit()
-    log_to_telegram('end raschet')
+        conn2.close()
+        cache.clear()
+        log_to_telegram('end raschet')
 
 
 @shared_task