code: def read_dask_cudf_csv_file(
      csv_file, read_weights_in_sp=True, single_partition=True
  ):
      if read_weights_in_sp is True:
          if single_partition:
              chunksize = os.path.getsize(csv_file)
              return dask_cudf.read_csv(
                  csv_file,
                  chunksize=chunksize,
                  delimiter=" ",
                  names=["src", "dst", "weight"],
                  dtype=["int32", "int32", "float32"],
                  header=None,
              )
          else:
              return dask_cudf.read_csv(
                  csv_file,
                  delimiter=" ",
                  names=["src", "dst", "weight"],
                  dtype=["int32", "int32", "float32"],
                  header=None,
              )
      else:
          if single_partition:
              chunksize = os.path.getsize(csv_file)
              return dask_cudf.read_csv(
                  csv_file,
                  chunksize=chunksize,
                  delimiter=" ",
                  names=["src", "dst", "weight"],
                  dtype=["int32", "int32", "float32"],
                  header=None,
              )
          else:
              return dask_cudf.read_csv(
                  csv_file,
                  delimiter=" ",
                  names=["src", "dst", "weight"],
                  dtype=["int32", "int32", "float64"],
                  header=None,
              )
  
imports: import os
  import pytest
  import pandas
  import networkx
  import numpy
  import cupy
  from cupyx.scipy.sparse import coo_matrix
  from cupyx.scipy.sparse import csr_matrix
  from cupyx.scipy.sparse import csc_matrix
  from scipy.sparse import coo_matrix
  from scipy.sparse import csr_matrix
  from scipy.sparse import csc_matrix
  from pathlib import Path
  import cudf
  import dask_cudf
  import cugraph
  from cugraph.dask.common.mg_utils import get_client
label_desc: Use image node_id 4 for calling a global function with example usage: read_dask_cudf_csv_file(csv_file, read_weights_in_sp, single_partition) and returns: dask_cudf, dask_cudf, dask_cudf, dask_cudf