code: def _cudf_read_parquet(cls, ctx: dict, op: "DataFrameReadParquet"):
      out = op.outputs[0]
      path = op.path
  
      engine = CudfEngine()
      if os.path.exists(path):
          file = op.path
          close = lambda: None
      else:  # pragma: no cover
          file = open_file(path, storage_options=op.storage_options)
          close = file.close
  
      try:
          if op.partitions is not None:
              ctx[out.key] = engine.read_partitioned_to_cudf(
                  file,
                  op.partitions,
                  op.partition_keys,
                  columns=op.columns,
                  nrows=op.nrows,
                  **op.read_kwargs or dict(),
              )
          else:
              if op.groups_as_chunks:
                  df = engine.read_group_to_cudf(
                      file,
                      op.group_index,
                      columns=op.columns,
                      nrows=op.nrows,
                      **op.read_kwargs or dict(),
                  )
              else:
                  df = engine.read_to_cudf(
                      file,
                      columns=op.columns,
                      nrows=op.nrows,
                      **op.read_kwargs or dict(),
                  )
              ctx[out.key] = df
      finally:
          close()
  
imports: import os
  from typing import Dict
  from urllib.parse import urlparse
  import numpy
  import pandas
  from ...None import opcodes
  from ...config import options
  from ...lib.filesystem import file_size, get_fs, glob, open_file, FileSystem
  from ...serialization.serializables import AnyField, BoolField, DictField, ListField, StringField, Int32Field, Int64Field
  from ...utils import is_object_dtype, lazy_import
  from ..arrays import ArrowStringDtype
  from ..operands import OutputType
  from ..utils import parse_index, to_arrow_dtypes, contain_arrow_dtype
  from .core import IncrementalIndexDatasource, ColumnPruneSupportedDataSourceMixin, IncrementalIndexDataSourceMixin, merge_small_files
label_desc: Use image node_id 9 for calling the DataFrameReadParquet obj's underlying member method code with example usage: obj._cudf_read_parquet(cls, ctx, op) without return types