refactor: Make all fetchers as an optional dependency group

+ Removing some dead code

scrapling/engines/_browsers/_base.py

@@ -12,20 +12,17 @@ from camoufox.utils import (
     installed_verstr as camoufox_version,
 )
 
-from scrapling.engines.toolbelt import (
-    intercept_route,
-    async_intercept_route,
-    get_os_name,
-)
-from ._page import PageInfo, PagePool
-from ._config_tools import _compiled_stealth_scripts
-from ._validators import validate, PlaywrightConfig, CamoufoxConfig
-from ._config_tools import _launch_kwargs, _context_kwargs
+from scrapling.engines.toolbelt.navigation import intercept_route, async_intercept_route
 from scrapling.core._types import (
     Any,
     Dict,
     Optional,
 )
+from ._page import PageInfo, PagePool
+from ._config_tools import _compiled_stealth_scripts
+from ._config_tools import _launch_kwargs, _context_kwargs
+from scrapling.engines.toolbelt.fingerprints import get_os_name
+from ._validators import validate, PlaywrightConfig, CamoufoxConfig
 
 __ff_version_str__ = camoufox_version().split(".", 1)[0]
 

scrapling/engines/_browsers/_camoufox.py

@@ -25,11 +25,11 @@ from scrapling.core._types import (
     Callable,
     SelectorWaitStates,
 )
-from scrapling.engines.toolbelt import (
+from scrapling.engines.toolbelt.convertor import (
     Response,
     ResponseFactory,
-    generate_convincing_referer,
 )
+from scrapling.engines.toolbelt.fingerprints import generate_convincing_referer
 
 __CF_PATTERN__ = re_compile("challenges.cloudflare.com/cdn-cgi/challenge-platform/.*")
 _UNSET = object()

scrapling/engines/_browsers/_config_tools.py

@@ -6,7 +6,8 @@ from scrapling.engines.constants import (
     HARMFUL_DEFAULT_ARGS,
     DEFAULT_FLAGS,
 )
-from scrapling.engines.toolbelt import js_bypass_path, generate_headers
+from scrapling.engines.toolbelt.navigation import js_bypass_path
+from scrapling.engines.toolbelt.fingerprints import generate_headers
 
 __default_useragent__ = generate_headers(browser_mode=True).get("User-Agent")
 

scrapling/engines/_browsers/_controllers.py

@@ -26,11 +26,11 @@ from scrapling.core._types import (
     Callable,
     SelectorWaitStates,
 )
-from scrapling.engines.toolbelt import (
+from scrapling.engines.toolbelt.convertor import (
     Response,
     ResponseFactory,
-    generate_convincing_referer,
 )
+from scrapling.engines.toolbelt.fingerprints import generate_convincing_referer
 
 _UNSET = object()
 

scrapling/engines/_browsers/_validators.py

@@ -9,7 +9,7 @@ from scrapling.core._types import (
     List,
     SelectorWaitStates,
 )
-from scrapling.engines.toolbelt import construct_proxy_dict
+from scrapling.engines.toolbelt.navigation import construct_proxy_dict
 
 
 class PlaywrightConfig(Struct, kw_only=True, frozen=False):