epub converter: update li,ol,ul,h processing

src/css_reader.py

@@ -278,10 +278,42 @@ class TagStyleConverter:
                 t.attrs['style'] = old_style
                 t.wrap(p_tag)
 
+    @staticmethod
+    def add_span_to_save_style_attrs_in_li(t):
+        styles_cant_be_in_li = [attr for attr in LIVECARTA_STYLE_ATTRS if attr not in ['text-align']]
+
+        if t.name == 'li' and t.attrs.get('style'):
+            check = [attr in t.attrs.get('style') for attr in styles_cant_be_in_li]
+            if any(check):
+                t.name = 'span'
+                li_tag = BeautifulSoup(features='lxml').new_tag('li')
+                old_style = t.attrs['style']
+
+                possible_li_attrs_regexp = re.compile(r'(text-align:(\w+);)')
+                has_li_style_attrs = re.search(possible_li_attrs_regexp, old_style)
+                if has_li_style_attrs and has_li_style_attrs.group(1):
+                    new_style = has_li_style_attrs.group(1)
+                    old_style = old_style.replace(has_li_style_attrs.group(1), '')
+                    li_tag.attrs['style'] = new_style
+                t.attrs['style'] = old_style
+                t.wrap(li_tag)
+
+    @staticmethod
+    def add_span_to_save_style_attrs(t):
+        h_regex = f'(^h[1-9]$)'
+        no_style_in_livecarta_regexp = re.compile(r'(^ul$)|(^ol$)|' + h_regex)
+
+        if re.search(no_style_in_livecarta_regexp, t.name) and t.attrs.get('style'):
+            new_tag = BeautifulSoup(features='lxml').new_tag(t.name)
+            t.name = 'span'
+            t.wrap(new_tag)
+
     def convert_initial_tag(self):
         del self.tag.attrs['livecarta_id']
         self.tag = self.change_attrs_with_corresponding_tags()
         self.wrap_p_to_save_style_attrs(self.tag)
+        self.add_span_to_save_style_attrs_in_li(self.tag)
+        self.add_span_to_save_style_attrs(self.tag)
         return self.tag