146         if os.path.exists(package_path):
156     for path in dirs_to_check:
158             cvd_host_package = os.path.join(path, name)
159             if os.path.exists(cvd_host_package):
168 def FindLocalImage(path, default_name_pattern, raise_error=True):  argument
182     path = os.path.abspath(path)
183     if os.path.isdir(path):
184         names = [name for name in os.listdir(path) if
193         path = os.path.join(path, names[0])
194     if os.path.isfile(path):
195         return path
208     if not os.path.isfile(image_path):
214 def FindBootImage(path, raise_error=True):  argument
216     boot_image_path = FindLocalImage(path, _BOOT_IMAGE_NAME_PATTERN,
224 def FindVendorBootImage(path, raise_error=True):  argument
226     return FindLocalImage(path, _VENDOR_BOOT_IMAGE_NAME_PATTERN, raise_error)
229 def FindSystemImages(path):  argument
242     path = os.path.abspath(path)
243     if os.path.isfile(path):
244         return SystemImagePaths(path, None, None)
246     image_dir = path
247     system_image_path = os.path.join(image_dir, _SYSTEM_IMAGE_NAME)
248     if not os.path.isfile(system_image_path):
249         image_dir = os.path.join(path, _TARGET_FILES_IMAGES_DIR_NAME)
250         system_image_path = os.path.join(image_dir, _SYSTEM_IMAGE_NAME)
251         if not os.path.isfile(system_image_path):
255     system_ext_image_path = os.path.join(image_dir, _SYSTEM_EXT_IMAGE_NAME)
256     product_image_path = os.path.join(image_dir, _PRODUCT_IMAGE_NAME)
259         (system_ext_image_path if os.path.isfile(system_ext_image_path) else
261         (product_image_path if os.path.isfile(product_image_path) else None))
278     temp_file = os.path.join(extract_path, artifact)
304     if os.path.islink(instance_dir):
310         abs_instance_dir = os.path.abspath(avd_spec.local_instance_dir)
314     if not os.path.exists(instance_dir):