⚙️ fixed: mover config dataclass outside config func.

Author: korawica

src/sqlplate/conf.py

@@ -6,48 +6,57 @@
 from __future__ import annotations
 
 import os
+from dataclasses import dataclass
 from typing import Any
 
 
-def config():
-    """Return a new Config object"""
-
-    class Config:
-        etl_columns: list[str] = [
-            os.getenv("ETL_LOAD_SRC_COL", "load_src"),
-            os.getenv("ETL_LOAD_ID_COL", "load_id"),
-            os.getenv("ETL_LOAD_DATE_COL", "load_date"),
-            os.getenv("ETL_UPDT_LOAD_SRC_COL", "updt_load_src"),
-            os.getenv("ETL_UPDT_LOAD_ID_COL", "updt_load_id"),
-            os.getenv("ETL_UPDT_LOAD_DATE_COL", "updt_load_date"),
-        ]
-
-        scd1_soft_delete_columns: list[str] = [
-            os.getenv("SCD1_SOFT_DELETE_COL", "delete_f")
-        ] + etl_columns
-
-        scd2_columns: list[str] = [
-            os.getenv("SCD2_START_DT_COL", "start_date"),
-            os.getenv("SCD2_END_DT_COL", "end_date"),
-            os.getenv("SCD2_DELETE_COL", "delete_f"),
-        ] + etl_columns
-
-        @classmethod
-        def remove_sys_cols(cls, columns: list[str]):
-            return [col for col in columns if col not in cls.scd2_columns]
-
-        @classmethod
-        def export(cls, template_type: str | None = None) -> dict[str, Any]:
-            template_type = template_type or 'NOT_SET'
-            etl_vars: dict[str, Any] = {}
-            if template_type == 'etl':
-                etl_vars: dict[str, Any] = {
-                    "etl_columns": cls.etl_columns,
-                    "scd1_soft_delete_columns": cls.scd1_soft_delete_columns,
-                    "scd2_columns": cls.scd2_columns,
-                    "only_main": False,
-                }
-
-            return {"only_main": False} | etl_vars
-
-    return Config
+@dataclass
+class Config:
+    etl_columns: list[str]
+    scd1_soft_delete_columns: list[str]
+    scd2_columns: list[str]
+
+    def remove_sys_cols(self, columns: list[str]):
+        return [col for col in columns if col not in self.scd2_columns]
+
+    def export(self, template_type: str | None = None) -> dict[str, Any]:
+        template_type = template_type or 'NOT_SET'
+        etl_vars: dict[str, Any] = {}
+        if template_type == 'etl':
+            etl_vars: dict[str, Any] = {
+                "etl_columns": self.etl_columns,
+                "scd1_soft_delete_columns": self.scd1_soft_delete_columns,
+                "scd2_columns": self.scd2_columns,
+                "only_main": False,
+            }
+
+        return {"only_main": False} | etl_vars
+
+
+def config() -> Config:
+    """Return a Config dataclass object"""
+
+    etl_columns: list[str] = [
+        os.getenv("ETL_LOAD_SRC_COL", "load_src"),
+        os.getenv("ETL_LOAD_ID_COL", "load_id"),
+        os.getenv("ETL_LOAD_DATE_COL", "load_date"),
+        os.getenv("ETL_UPDT_LOAD_SRC_COL", "updt_load_src"),
+        os.getenv("ETL_UPDT_LOAD_ID_COL", "updt_load_id"),
+        os.getenv("ETL_UPDT_LOAD_DATE_COL", "updt_load_date"),
+    ]
+
+    scd1_soft_delete_columns: list[str] = [
+        os.getenv("SCD1_SOFT_DELETE_COL", "delete_f")
+    ] + etl_columns
+
+    scd2_columns: list[str] = [
+        os.getenv("SCD2_START_DT_COL", "start_date"),
+        os.getenv("SCD2_END_DT_COL", "end_date"),
+        os.getenv("SCD2_DELETE_COL", "delete_f"),
+    ] + etl_columns
+
+    return Config(
+        etl_columns=etl_columns,
+        scd1_soft_delete_columns=scd1_soft_delete_columns,
+        scd2_columns=scd2_columns,
+    )