code: def _parse_requirements_list(self, label: str, value: str):
      # Parse a requirements list, either by reading in a `file:`, or a list.
      parsed = self._parse_list_semicolon(
          self._parse_file_in_root(value)
      )
      _warn_accidental_env_marker_misconfig(label, value, parsed)
      # Filter it to only include lines that are not comments. `parse_list`
      # will have stripped each line and filtered out empties.
      return [line for line in parsed if not line.startswith("#")]
  
imports: import contextlib
  import functools
  import os
  from collections import defaultdict
  from functools import partial
  from functools import wraps
  from typing import TYPE_CHECKING, Callable, Any, Dict, Generic, Iterable, List, Optional, Set, Tuple, TypeVar, Union
  from ..errors import FileError, OptionError
  from ..extern.packaging.markers import default_environment
  from ..extern.packaging.requirements import InvalidRequirement, Requirement
  from ..extern.packaging.specifiers import SpecifierSet
  from ..extern.packaging.version import InvalidVersion, Version
  from ..warnings import SetuptoolsDeprecationWarning
  from .None import expand
label_desc: Use image node_id 4 for calling the ConfigOptionsHandler obj's underlying member method code with example usage: obj._parse_requirements_list(label, value) and returns: unknown