code: def find_sphinx(name, mod_path, found={}):
      if mod_path in found:  # Cache results
          return name in found[mod_path]
  
      doc_path = mod_path.split(".")
      doc_path[-1] += ".html"
      sphinx_path = os.path.join(
          sympy_top, "doc", "_build", "html", "_modules", *doc_path
      )
      if not os.path.exists(sphinx_path):
          return False
      with open(sphinx_path) as f:
          html_txt = f.read()
      p = FindInSphinx()
      p.feed(html_txt)
      found[mod_path] = p.is_imported
      return name in p.is_imported
  
file_path: sympy/bin/coverage_doctest.py
imports: from __future__ import print_function
  import os
  import sys
  import inspect
  from argparse import ArgumentParser, RawDescriptionHelpFormatter
  from sympy.utilities.misc import filldedent
label_desc: Use image node_id 6 for calling a global function with example usage: find_sphinx(name, mod_path, found) and returns: unknown, unknown, False