Adding keep_cdata argument for Adaptor and Response classes

This will force lxml to keep cdata while parsing html if you want

scrapling/engines/toolbelt/custom.py

@@ -105,7 +105,7 @@ class BaseFetcher:
     def __init__(
             self, huge_tree: bool = True, keep_comments: Optional[bool] = False, auto_match: Optional[bool] = True,
             storage: Any = SQLiteStorageSystem, storage_args: Optional[Dict] = None, debug: Optional[bool] = False,
-            automatch_domain: Optional[str] = None,
+            automatch_domain: Optional[str] = None, keep_cdata: Optional[bool] = False,
     ):
         """Arguments below are the same from the Adaptor class so you can pass them directly, the rest of Adaptor's arguments
         are detected and passed automatically from the Fetcher based on the response for accessibility.
@@ -113,6 +113,7 @@ class BaseFetcher:
         :param huge_tree: Enabled by default, should always be enabled when parsing large HTML documents. This controls
             libxml2 feature that forbids parsing certain large documents to protect from possible memory exhaustion.
         :param keep_comments: While parsing the HTML body, drop comments or not. Disabled by default for obvious reasons
+        :param keep_cdata: While parsing the HTML body, drop cdata or not. Disabled by default for cleaner HTML.
         :param auto_match: Globally turn-off the auto-match feature in all functions, this argument takes higher
             priority over all auto-match related arguments/functions in the class.
         :param storage: The storage class to be passed for auto-matching functionalities, see ``Docs`` for more info.
@@ -127,6 +128,7 @@ class BaseFetcher:
         self.adaptor_arguments = dict(
             huge_tree=huge_tree,
             keep_comments=keep_comments,
+            keep_cdata=keep_cdata,
             auto_match=auto_match,
             storage=storage,
             storage_args=storage_args,

scrapling/parser.py

@@ -25,6 +25,7 @@ class Adaptor(SelectorsGeneration):
     __slots__ = (
         'url', 'encoding', '__auto_match_enabled', '_root', '_storage', '__debug',
         '__keep_comments', '__huge_tree_enabled', '__attributes', '__text', '__tag',
+        '__keep_cdata',
     )
 
     def __init__(
@@ -36,6 +37,7 @@ class Adaptor(SelectorsGeneration):
             huge_tree: bool = True,
             root: Optional[html.HtmlElement] = None,
             keep_comments: Optional[bool] = False,
+            keep_cdata: Optional[bool] = False,
             auto_match: Optional[bool] = True,
             storage: Any = SQLiteStorageSystem,
             storage_args: Optional[Dict] = None,
@@ -59,6 +61,7 @@ class Adaptor(SelectorsGeneration):
         :param root: Used internally to pass etree objects instead of text/body arguments, it takes highest priority.
             Don't use it unless you know what you are doing!
         :param keep_comments: While parsing the HTML body, drop comments or not. Disabled by default for obvious reasons
+        :param keep_cdata: While parsing the HTML body, drop cdata or not. Disabled by default for cleaner HTML.
         :param auto_match: Globally turn-off the auto-match feature in all functions, this argument takes higher
             priority over all auto-match related arguments/functions in the class.
         :param storage: The storage class to be passed for auto-matching functionalities, see ``Docs`` for more info.
@@ -84,8 +87,8 @@ class Adaptor(SelectorsGeneration):
 
             # https://lxml.de/api/lxml.etree.HTMLParser-class.html
             parser = html.HTMLParser(
-                recover=True, remove_blank_text=True, remove_comments=(keep_comments is False), encoding=encoding,
-                compact=True, huge_tree=huge_tree, default_doctype=True
+                recover=True, remove_blank_text=True, remove_comments=(not keep_comments), encoding=encoding,
+                compact=True, huge_tree=huge_tree, default_doctype=True, strip_cdata=(not keep_cdata),
             )
             self._root = etree.fromstring(body, parser=parser, base_url=url)
             if is_jsonable(text or body.decode()):
@@ -119,6 +122,7 @@ class Adaptor(SelectorsGeneration):
             self._storage = storage(**storage_args)
 
         self.__keep_comments = keep_comments
+        self.__keep_cdata = keep_cdata
         self.__huge_tree_enabled = huge_tree
         self.encoding = encoding
         self.url = url
@@ -156,7 +160,7 @@ class Adaptor(SelectorsGeneration):
                     root=element,
                     text='', body=b'',  # Since root argument is provided, both `text` and `body` will be ignored so this is just a filler
                     url=self.url, encoding=self.encoding, auto_match=self.__auto_match_enabled,
-                    keep_comments=True,  # if the comments are already removed in initialization, no need to try to delete them in sub-elements
+                    keep_comments=self.__keep_comments, keep_cdata=self.__keep_cdata,
                     huge_tree=self.__huge_tree_enabled, debug=self.__debug,
                     **self.__response_data
                 )