Add try except blocks where is needed

src/epub_converter/epub_solver.py

@@ -1,5 +1,6 @@
 import json
 import codecs
+import logging
 
 from src.book_solver import BookSolver
 from src.util.helpers import BookLogger
@@ -30,11 +31,19 @@ class EpubBook(BookSolver):
             json for LiveCarta platform
 
         """
-        html_preprocessor = HtmlPresetsProcessor(
-            logger=self.logger_object, preset_path="presets/epub_presets.json")
         style_preprocessor = StyleReader()
-        html_processor = HtmlEpubProcessor(logger=self.logger_object,
-                                           html_preprocessor=html_preprocessor)
+        # Parses and cleans html, gets list of tags, gets footnotes
+        try:
+            html_preprocessor = HtmlPresetsProcessor(
+                logger=self.logger_object, preset_path="presets/epub_presets.json")
+            html_processor = HtmlEpubProcessor(logger=self.logger_object,
+                                               html_preprocessor=html_preprocessor)
+        except Exception as exc:
+            self.logger_object.log(
+                "Error has occurred while processing .html", logging.ERROR)
+            self.logger_object.log_error_to_main_log()
+            self.status_wrapper.set_error()
+            raise exc
         json_converter = EpubConverter(
             self.book_path, access=self.access, logger=self.logger_object,
             style_processor=style_preprocessor, html_processor=html_processor)