docstr: Convert a style dictionary to a OpenDocument style sheet
  
  Parameters
  ----------
  style : Dict
      Style dictionary
  
  Returns
  -------
  style_key : str
      Unique style key for later reference in sheet
docstr_tok: ["Convert","a","style","dictionary","to","a","OpenDocument","style","sheet","Parameters","--","--","--","--","--","style",":","Dict","Style","dictionary","Returns","--","--","--","-","style_key",":","str","Unique","style","key","for","later","reference","in","sheet"]
code: def _process_style(self, style: dict[str, Any] | None) -> str | None:
      """Convert a style dictionary to a OpenDocument style sheet
  
      Parameters
      ----------
      style : Dict
          Style dictionary
  
      Returns
      -------
      style_key : str
          Unique style key for later reference in sheet
      """
      from odf.style import (
          ParagraphProperties,
          Style,
          TableCellProperties,
          TextProperties,
      )
  
      if style is None:
          return None
      style_key = json.dumps(style)
      if style_key in self._style_dict:
          return self._style_dict[style_key]
      name = f"pd{len(self._style_dict)+1}"
      self._style_dict[style_key] = name
      odf_style = Style(name=name, family="table-cell")
      if "font" in style:
          font = style["font"]
          if font.get("bold", False):
              odf_style.addElement(TextProperties(fontweight="bold"))
      if "borders" in style:
          borders = style["borders"]
          for side, thickness in borders.items():
              thickness_translation = {"thin": "0.75pt solid #000000"}
              odf_style.addElement(
                  TableCellProperties(
                      attributes={
                          f"border{side}": thickness_translation[
                              thickness
                          ]
                      }
                  )
              )
      if "alignment" in style:
          alignment = style["alignment"]
          horizontal = alignment.get("horizontal")
          if horizontal:
              odf_style.addElement(
                  ParagraphProperties(textalign=horizontal)
              )
          vertical = alignment.get("vertical")
          if vertical:
              odf_style.addElement(
                  TableCellProperties(verticalalign=vertical)
              )
      self.book.styles.addElement(odf_style)
      return name
  
file_path: pandas/pandas/io/excel/_odswriter.py
imports: from __future__ import annotations
  from collections import defaultdict
  import datetime
  import json
  from typing import TYPE_CHECKING, Any, DefaultDict, cast, overload
  from pandas.io.excel._base import ExcelWriter
  from pandas.io.excel._util import combine_kwargs, validate_freeze_panes
label_desc: Use image node_id 10 for calling the ODSWriter obj's underlying member method code with example usage: obj._process_style(style) and returns: name, None, self