feature/__slots__

pydbsmgr/fast_upload.py

@@ -15,6 +15,8 @@
 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

pydbsmgr/lightest.py

@@ -1,5 +1,5 @@
 import concurrent.futures
-from functools import partial
+from functools import cached_property, partial
 
 from pydbsmgr.main import *
 from pydbsmgr.utils.tools import coerce_datetime, most_repeated_item
@@ -42,6 +42,9 @@ 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"]))