code: def _process_customer_provided_requirements(
      requirements_file: str, module_version_dict: dict
  ):
      """Placeholder docstring"""
      requirements_file = Path(requirements_file)
      if (
          not requirements_file.is_file()
          or not _is_valid_requirement_file(requirements_file)
      ):
          raise Exception(
              f"Path: {requirements_file} to requirements.txt doesn't exist"
          )
      logger.debug(
          "Packaging provided requirements.txt from %s",
          requirements_file,
      )
      with open(requirements_file, "r") as f:
          custom_dependencies = f.read().splitlines()
  
      module_version_dict.update(
          _parse_dependency_list(custom_dependencies)
      )
      return module_version_dict
  
file_path: sagemaker-python-sdk/src/sagemaker/serve/detector/dependency_manager.py
imports: from __future__ import absolute_import
  from pathlib import Path
  import logging
  import subprocess
  import sys
  import re
label_desc: Use image node_id 3 for calling a global function with example usage: _process_customer_provided_requirements(requirements_file, module_version_dict) and returns: module_version_dict