class_docstr: Read notebook cells from Sphinx Gallery scripts (#80)
class_docstr_tok: ["Read","notebook","cells","from","Sphinx","Gallery","scripts","(","#","80",")"]
code: def metadata_and_language_from_option_line(self, line):
      self.markdown_marker = self.start_of_new_markdown_cell(line)
      if self.markdown_marker:
          self.cell_type = "markdown"
          if self.markdown_marker != self.default_markdown_cell_marker:
              self.metadata = {"cell_marker": self.markdown_marker}
      else:
          self.cell_type = "code"
  
imports: import re
  import warnings
  from copy import copy
  from nbformat.v4.nbbase import new_code_cell, new_markdown_cell, new_raw_cell
  from packaging.version import parse
  from .doxygen import doxygen_to_markdown
  from .languages import _SCRIPT_EXTENSIONS
  from .cell_metadata import is_active, is_json_metadata, rmd_options_to_metadata, text_to_metadata
  from .languages import _JUPYTER_LANGUAGES_LOWER_AND_UPPER
  from .magics import is_magic, need_explicit_marker, uncomment_magic, unescape_code_start
  from .pep8 import pep8_lines_between_cells
  from .stringparser import StringParser
label_desc: Use image node_id 3 for calling the SphinxGalleryScriptCellReader obj's underlying member method code with example usage: obj.metadata_and_language_from_option_line(line) without return types