text: import logging
  import re
  from pathlib import Path
  from typing import Any, Dict, List, Optional
  
  from haystack.nodes.file_converter import BaseConverter
  
  
  logger = logging.getLogger(__name__)
  
  
  class MarkdownConverter(BaseConverter):
      def convert(
              self,
              file_path: Path,
              meta: Optional[Dict[str, str]] = None,
              remove_numeric_tables: Optional[bool] = None,
              valid_languages: Optional[List[str]] = None,
              encoding: Optional[str] = "utf-8",
      ) -> Dict[str, Any]:
          """
          Reads text from a txt file and executes optional preprocessing steps.
  
          :param file_path: path of the file to convert
          :param meta: dictionary of meta data key-value pairs to append in the returned document.
          :param encoding: Select the file encoding (default is `utf-8`)
          :param remove_numeric_tables: Not applicable
          :param valid_languages: Not applicable
  
          :return: Dict of format {"text": "The text from file", "meta": meta}}
          """
          with open(file_path, encoding=encoding, errors="ignore") as f:
              markdown_text = f.read()
          text = self.markdown_to_text(markdown_text)
          document = {"content": text, "content_type": "text", "meta": meta}
          return document
  
      # Following code snippet is copied from https://gist.github.com/lorey/eb15a7f3338f959a78cc3661fbc255fe
      @staticmethod
      def markdown_to_text(markdown_string: str) -> str:
          """
          Converts a markdown string to plaintext
  
          :param markdown_string: String in markdown format
          """
          try:
              from bs4 import BeautifulSoup
          except ImportError:
              raise ImportError("Can't find package `beautifulsoup4` \n"
                                "You can install it via `pip install beautifulsoup4`")
  
          try:
              from markdown import markdown
          except ImportError:
              raise ImportError("Can't find package `markdown` \n"
                                "You can install it via `pip install markdown`")
  
          # md -> html -> text since BeautifulSoup can extract text cleanly
          html = markdown(markdown_string)
  
          # remove code snippets
          html = re.sub(r'<pre>(.*?)</pre>', ' ', html)
          html = re.sub(r'<code>(.*?)</code >', ' ', html)
  
          # extract text
          soup = BeautifulSoup(html, "html.parser")
          text = ''.join(soup.findAll(text=True))
  
          return text
  