code: def item_desc_plain(self, rule):
      return f"rule {rule.name} (line {rule.lineno}, {rule.snakefile})"
  
file_path: snakemake/snakemake/linting/rules.py
imports: from itertools import chain
  import re
  import sys
  from snakemake.io import is_flagged
  from snakemake.linting import Linter, Lint, links, NAME_PATTERN
label_desc: Use image node_id 1 for calling the RuleLinter obj's underlying member method code with example usage: obj.item_desc_plain(rule) and returns: str, rule, str, rule, str, rule, str