From 0e1f3b9b05958d7b3b7340c2acb19ce52a092a22 Mon Sep 17 00:00:00 2001
From: Karim shoair <D4Vinci@users.noreply.github.com>
Date: Wed, 26 Nov 2025 02:23:17 +0200
Subject: [PATCH] fix(fetchers): Add backward compatibility for `custom_config`
 argument

---
 scrapling/fetchers/chrome.py  | 12 ++++++------
 scrapling/fetchers/firefox.py | 12 ++++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/scrapling/fetchers/chrome.py b/scrapling/fetchers/chrome.py
index 44e7a44..a706826 100644
--- a/scrapling/fetchers/chrome.py
+++ b/scrapling/fetchers/chrome.py
@@ -52,12 +52,12 @@ class DynamicFetcher(BaseFetcher):
             - additional_args: Additional arguments to be passed to Playwright's context as additional settings.
         :return: A `Response` object.
         """
-        # Get selector_config from kwargs if provided, otherwise use empty dict
-        selector_config = kwargs.get("selector_config", {})
+        selector_config = kwargs.get("selector_config", {}) or kwargs.get(
+            "custom_config", {}
+        )  # Checking `custom_config` for backward compatibility
         if not isinstance(selector_config, dict):
             raise TypeError("Argument `selector_config` must be a dictionary.")
 
-        # Merge selector_config with class defaults
         kwargs["selector_config"] = {**cls._generate_parser_arguments(), **selector_config}
 
         with DynamicSession(**kwargs) as session:
@@ -95,12 +95,12 @@ class DynamicFetcher(BaseFetcher):
             - additional_args: Additional arguments to be passed to Playwright's context as additional settings.
         :return: A `Response` object.
         """
-        # Get selector_config from kwargs if provided, otherwise use empty dict
-        selector_config = kwargs.get("selector_config", {})
+        selector_config = kwargs.get("selector_config", {}) or kwargs.get(
+            "custom_config", {}
+        )  # Checking `custom_config` for backward compatibility
         if not isinstance(selector_config, dict):
             raise TypeError("Argument `selector_config` must be a dictionary.")
 
-        # Merge selector_config with class defaults
         kwargs["selector_config"] = {**cls._generate_parser_arguments(), **selector_config}
 
         async with AsyncDynamicSession(**kwargs) as session:
diff --git a/scrapling/fetchers/firefox.py b/scrapling/fetchers/firefox.py
index 825b917..a9361d6 100644
--- a/scrapling/fetchers/firefox.py
+++ b/scrapling/fetchers/firefox.py
@@ -45,12 +45,12 @@ class StealthyFetcher(BaseFetcher):
             - additional_args: Additional arguments to be passed to Camoufox as additional settings.
         :return: A `Response` object.
         """
-        # Get selector_config from kwargs if provided, otherwise use empty dict
-        selector_config = kwargs.get("selector_config", {})
+        selector_config = kwargs.get("selector_config", {}) or kwargs.get(
+            "custom_config", {}
+        )  # Checking `custom_config` for backward compatibility
         if not isinstance(selector_config, dict):
             raise TypeError("Argument `selector_config` must be a dictionary.")
 
-        # Merge selector_config with class defaults
         kwargs["selector_config"] = {**cls._generate_parser_arguments(), **selector_config}
 
         with StealthySession(**kwargs) as engine:
@@ -90,12 +90,12 @@ class StealthyFetcher(BaseFetcher):
             - additional_args: Additional arguments to be passed to Camoufox as additional settings.
         :return: A `Response` object.
         """
-        # Get selector_config from kwargs if provided, otherwise use empty dict
-        selector_config = kwargs.get("selector_config", {})
+        selector_config = kwargs.get("selector_config", {}) or kwargs.get(
+            "custom_config", {}
+        )  # Checking `custom_config` for backward compatibility
         if not isinstance(selector_config, dict):
             raise TypeError("Argument `selector_config` must be a dictionary.")
 
-        # Merge selector_config with class defaults
         kwargs["selector_config"] = {**cls._generate_parser_arguments(), **selector_config}
 
         async with AsyncStealthySession(**kwargs) as engine: