feature/slots

Used slots in classes LightCleaner and DataFrametoSQL to optimize the use of memory

Author: jafetcc02

pydbsmgr/fast_upload.py

@@ -11,10 +11,10 @@
 
 from pydbsmgr.utils.tools import ColumnsCheck
 
-
 class DataFrameToSQL(ColumnsCheck):
     """Allows you to create a table from a dataframe"""
 
+    __slots__ = ['_connection_string','_con', '_cur' ]
     def __init__(self, connection_string: str) -> None:
         """Set the connection with the database"""
         self._connection_string = connection_string
@@ -165,6 +165,7 @@ def __init__(self, connection_string: str) -> None:
         """Establish the connection to the database using the `DataFrameToSQL` class."""
         super().__init__(connection_string)
 
+    
     def execute(
         self,
         df: DataFrame,

pydbsmgr/lightest.py

@@ -1,5 +1,6 @@
 import concurrent.futures
 from functools import partial
+from functools import cached_property
 
 from pydbsmgr.main import *
 from pydbsmgr.utils.tools import coerce_datetime, most_repeated_item
@@ -42,6 +43,9 @@ def process_dates(x: str, format_type: str, auxiliary_type: str) -> str:
 class LightCleaner:
     """Performs a light cleaning on the table"""
 
+    #Increase memory efficiency 
+    __slots__ = ['df', 'dict_dtypes']
+
     def __init__(self, df_: DataFrame):
         self.df = df_.copy()
         self.dict_dtypes = dict(zip(["float", "int", "str"], ["float64", "int64", "object"]))