text: """
      sphinx.ext.mathbase
      ~~~~~~~~~~~~~~~~~~~
  
      Set up math support in source files and LaTeX/text output.
  
      :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  import warnings
  from typing import Callable, List, Tuple
  
  from docutils import nodes
  from docutils.nodes import Element, Node
  from docutils.parsers.rst.roles import math_role as math_role_base
  
  from sphinx.addnodes import math, math_block as displaymath  # NOQA  # to keep compatibility
  from sphinx.application import Sphinx
  from sphinx.builders.latex.nodes import math_reference as eqref  # NOQA  # to keep compatibility
  from sphinx.deprecation import RemovedInSphinx30Warning
  from sphinx.directives.patches import MathDirective as MathDirectiveBase
  from sphinx.domains.math import MathDomain  # NOQA  # to keep compatibility
  from sphinx.domains.math import MathReferenceRole as EqXRefRole  # NOQA  # to keep compatibility
  from sphinx.writers.html import HTMLTranslator
  from sphinx.writers.latex import LaTeXTranslator
  from sphinx.writers.manpage import ManualPageTranslator
  from sphinx.writers.texinfo import TexinfoTranslator
  from sphinx.writers.text import TextTranslator
  
  
  class MathDirective(MathDirectiveBase):
      def run(self) -> List[Node]:
          warnings.warn('sphinx.ext.mathbase.MathDirective is moved to '
                        'sphinx.directives.patches package.',
                        RemovedInSphinx30Warning, stacklevel=2)
          return super().run()
  
  
  def math_role(role, rawtext, text, lineno, inliner, options={}, content=[]):
      warnings.warn('sphinx.ext.mathbase.math_role() is deprecated. '
                    'Please use docutils.parsers.rst.roles.math_role() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      return math_role_base(role, rawtext, text, lineno, inliner, options, content)
  
  
  def get_node_equation_number(writer: HTMLTranslator, node: nodes.math_block) -> str:
      warnings.warn('sphinx.ext.mathbase.get_node_equation_number() is moved to '
                    'sphinx.util.math package.',
                    RemovedInSphinx30Warning, stacklevel=2)
      from sphinx.util.math import get_node_equation_number
      return get_node_equation_number(writer, node)
  
  
  def wrap_displaymath(text: str, label: str, numbering: bool) -> str:
      warnings.warn('sphinx.ext.mathbase.wrap_displaymath() is moved to '
                    'sphinx.util.math package.',
                    RemovedInSphinx30Warning, stacklevel=2)
      from sphinx.util.math import wrap_displaymath
      return wrap_displaymath(text, label, numbering)
  
  
  def is_in_section_title(node: Element) -> bool:
      """Determine whether the node is in a section title"""
      from sphinx.util.nodes import traverse_parent
  
      warnings.warn('is_in_section_title() is deprecated.',
                    RemovedInSphinx30Warning, stacklevel=2)
  
      for ancestor in traverse_parent(node):
          if isinstance(ancestor, nodes.title) and \
             isinstance(ancestor.parent, nodes.section):
              return True
      return False
  
  
  def latex_visit_math(self: LaTeXTranslator, node: Element) -> None:
      warnings.warn('latex_visit_math() is deprecated. '
                    'Please use LaTeXTranslator.visit_math() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math(node)
  
  
  def latex_visit_displaymath(self: LaTeXTranslator, node: Element) -> None:
      warnings.warn('latex_visit_displaymath() is deprecated. '
                    'Please use LaTeXTranslator.visit_math_block() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math_block(node)
  
  
  def man_visit_math(self: ManualPageTranslator, node: Element) -> None:
      warnings.warn('man_visit_math() is deprecated. '
                    'Please use ManualPageTranslator.visit_math() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math(node)
  
  
  def man_visit_displaymath(self: ManualPageTranslator, node: Element) -> None:
      warnings.warn('man_visit_displaymath() is deprecated. '
                    'Please use ManualPageTranslator.visit_math_block() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math_block(node)
  
  
  def man_depart_displaymath(self: ManualPageTranslator, node: Element) -> None:
      warnings.warn('man_depart_displaymath() is deprecated. '
                    'Please use ManualPageTranslator.depart_math_block() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.depart_math_block(node)
  
  
  def texinfo_visit_math(self: TexinfoTranslator, node: Element) -> None:
      warnings.warn('texinfo_visit_math() is deprecated. '
                    'Please use TexinfoTranslator.visit_math() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math(node)
  
  
  def texinfo_visit_displaymath(self: TexinfoTranslator, node: Element) -> None:
      warnings.warn('texinfo_visit_displaymath() is deprecated. '
                    'Please use TexinfoTranslator.visit_math_block() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math_block(node)
  
  
  def texinfo_depart_displaymath(self: TexinfoTranslator, node: Element) -> None:
      warnings.warn('texinfo_depart_displaymath() is deprecated. '
                    'Please use TexinfoTranslator.depart_math_block() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
  
  
  def text_visit_math(self: TextTranslator, node: Element) -> None:
      warnings.warn('text_visit_math() is deprecated. '
                    'Please use TextTranslator.visit_math() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math(node)
  
  
  def text_visit_displaymath(self: TextTranslator, node: Element) -> None:
      warnings.warn('text_visit_displaymath() is deprecated. '
                    'Please use TextTranslator.visit_math_block() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
      self.visit_math_block(node)
  
  
  def setup_math(app: Sphinx,
                 htmlinlinevisitors: Tuple[Callable, Callable],
                 htmldisplayvisitors: Tuple[Callable, Callable]) -> None:
      warnings.warn('setup_math() is deprecated. '
                    'Please use app.add_html_math_renderer() instead.',
                    RemovedInSphinx30Warning, stacklevel=2)
  
      app.add_html_math_renderer('unknown', htmlinlinevisitors, htmldisplayvisitors)
  