code: def _process_file(
      graph: DepGraph, src_path: str, src_module: str, _base_dir=""
  ):
      """Create dependencies from src_module to all the valid imports in src_path.
  
      Args:
          graph: the DepGraph to be added to.
          src_path: .py file to be processed.
          src_module: full module path of the source file.
          _base_dir: use a different base dir than current dir. For unit testing.
      """
      with open(os.path.join(_base_dir, src_path), "r") as in_f:
          tree = ast.parse(in_f.read())
  
          for node in ast.walk(tree):
              if isinstance(node, ast.Import):
                  for alias in node.names:
                      _new_import(graph, src_module, alias.name)
              elif isinstance(node, ast.ImportFrom):
                  for alias in node.names:
                      _new_from_import(
                          graph,
                          src_module,
                          node.module,
                          alias.name,
                          _base_dir,
                      )
  
imports: import argparse
  import ast
  import os
  import re
  import subprocess
  import sys
  from typing import Dict, List, Tuple
label_desc: Use image node_id 7 for calling a global function with example usage: _process_file(graph, src_path, src_module, _base_dir) without return types