code: def install() -> Path:
      """Installs the Grit CLI and returns the location of the binary"""
      if sys.platform == "win32":
          raise CLIError(
              "Windows is not supported yet in the migration CLI"
          )
  
      platform = "macos" if sys.platform == "darwin" else "linux"
  
      dir_name = _cache_dir() / "openai-python"
      install_dir = dir_name / ".install"
      target_dir = install_dir / "bin"
  
      target_path = target_dir / "marzano"
      temp_file = target_dir / "marzano.tmp"
  
      if target_path.exists():
          _debug(f"{target_path} already exists")
          sys.stdout.flush()
          return target_path
  
      _debug(f"Using Grit CLI path: {target_path}")
  
      target_dir.mkdir(parents=True, exist_ok=True)
  
      if temp_file.exists():
          temp_file.unlink()
  
      arch = _get_arch()
      _debug(f"Using architecture {arch}")
  
      file_name = f"marzano-{platform}-{arch}"
      meta_url = f"https://api.keygen.sh/v1/accounts/{KEYGEN_ACCOUNT}/artifacts/{file_name}"
  
      sys.stdout.write(
          f"Retrieving Grit CLI metadata from {meta_url}\n"
      )
      with httpx.Client() as client:
          response = client.get(
              meta_url
          )  # pyright: ignore[reportUnknownMemberType]
  
          data = response.json()
          errors = data.get("errors")
          if errors:
              for error in errors:
                  sys.stdout.write(f"{error}\n")
  
              raise CLIError(
                  "Could not locate Grit CLI binary - see above errors"
              )
  
          write_manifest(
              install_dir,
              data["data"]["relationships"]["release"]["data"]["id"],
          )
  
          link = data["data"]["links"]["redirect"]
          _debug(f"Redirect URL {link}")
  
          download_response = client.get(
              link
          )  # pyright: ignore[reportUnknownMemberType]
          with open(temp_file, "wb") as file:
              for chunk in download_response.iter_bytes():
                  file.write(chunk)
  
      unpacked_dir = target_dir / "cli-bin"
      unpacked_dir.mkdir(parents=True, exist_ok=True)
  
      with tarfile.open(temp_file, "r:gz") as archive:
          archive.extractall(unpacked_dir)
  
      for item in unpacked_dir.iterdir():
          item.rename(target_dir / item.name)
  
      shutil.rmtree(unpacked_dir)
      os.remove(temp_file)
      os.chmod(target_path, 0o755)
  
      sys.stdout.flush()
  
      return target_path
  
imports: from __future__ import annotations
  import os
  import sys
  import json
  import shutil
  import tarfile
  import platform
  import subprocess
  from typing import TYPE_CHECKING, List
  from pathlib import Path
  from argparse import ArgumentParser
  import httpx
  from .._errors import CLIError, SilentCLIError
  from .._models import BaseModel
label_desc: Use image node_id 6 for calling a global function with example usage: install() and returns: target_path, target_path