code: def ingest(
      self, ds_name=None, start=None, end=None, force_download=False
  ):
      if ds_name is None:
          df_sets = self._list()
          if df_sets.empty:
              print("There are no datasets available yet.")
              return
  
          set_print_settings()
          while True:
              print(df_sets)
              dataset_num = input(
                  "Choose the dataset you want to "
                  "ingest [0..{}]: ".format(df_sets.size - 1)
              )
              try:
                  dataset_num = int(dataset_num)
              except ValueError:
                  print(
                      "Enter a number between 0 and {}".format(
                          df_sets.size - 1
                      )
                  )
              else:
                  if dataset_num not in range(0, df_sets.size):
                      print(
                          "Enter a number between 0 and {}".format(
                              df_sets.size - 1
                          )
                      )
                  else:
                      ds_name = df_sets.iloc[dataset_num]["dataset"]
                      break
  
      # ds_name = ds_name.lower()
  
      # TODO: catch error conditions
      provider_info = self.mkt_contract.functions.getDataProviderInfo(
          Web3.toHex(ds_name.encode())
      ).call()
  
      if not provider_info[4]:
          print(
              'The requested "{}" dataset is not registered in '
              "the Data Marketplace.".format(ds_name)
          )
          return
  
      address, address_i = self.choose_pubaddr()
      fns = self.mkt_contract.functions
      check_sub = fns.checkAddressSubscription(
          address, Web3.toHex(ds_name.encode())
      ).call()
  
      if (
          check_sub[0] != address
          or self.to_text(check_sub[1]) != ds_name
      ):
          print(
              'You are not subscribed to dataset "{}" with address {}. '
              "Plese subscribe first.".format(ds_name, address)
          )
          return
  
      if not check_sub[5]:
          print(
              'Your subscription to dataset "{}" expired on {} UTC.'
              "Please renew your subscription by running:\n"
              "catalyst marketplace subscribe --dataset={}".format(
                  ds_name,
                  pd.to_datetime(check_sub[4], unit="s", utc=True),
                  ds_name,
              )
          )
  
      if "key" in self.addresses[address_i]:
          key = self.addresses[address_i]["key"]
          secret = self.addresses[address_i]["secret"]
      else:
          key, secret = get_key_secret(
              address, self.addresses[address_i]["wallet"]
          )
  
      headers = get_signed_headers(ds_name, key, secret)
      log.info("Starting download of dataset for ingestion...")
      r = requests.post(
          "{}/marketplace/ingest".format(AUTH_SERVER),
          headers=headers,
          stream=True,
      )
      if r.status_code == 200:
          log.info(
              "Dataset downloaded successfully. Processing dataset..."
          )
          bundle_folder = get_data_source_folder(ds_name)
          shutil.rmtree(bundle_folder, ignore_errors=True)
          target_path = get_temp_bundles_folder()
          try:
              decoder = MultipartDecoder.from_response(r)
              # with maybe_show_progress(
              #     iter(decoder.parts),
              #     True,
              #     label='Processing files') as part:
              counter = 1
              for part in decoder.parts:
                  log.info(
                      "Processing file {} of {}".format(
                          counter, len(decoder.parts)
                      )
                  )
                  h = part.headers[b"Content-Disposition"].decode(
                      "utf-8"
                  )
                  # Extracting the filename from the header
                  name = re.search(r'filename="(.*)"', h).group(1)
  
                  filename = os.path.join(target_path, name)
                  with open(filename, "wb") as f:
                      # for chunk in part.content.iter_content(
                      #         chunk_size=1024):
                      #     if chunk: # filter out keep-alive new chunks
                      #         f.write(chunk)
                      f.write(part.content)
  
                  self.process_temp_bundle(ds_name, filename)
                  counter += 1
  
          except NonMultipartContentTypeException:
              response = r.json()
              raise MarketplaceHTTPRequest(
                  request="ingest dataset",
                  error=response,
              )
      else:
          raise MarketplaceHTTPRequest(
              request="ingest dataset",
              error=r.status_code,
          )
  
      log.info("{} ingested successfully".format(ds_name))
  
imports: from __future__ import print_function
  import glob
  import json
  import os
  import re
  import shutil
  import sys
  import time
  import webbrowser
  import bcolz
  import logbook
  import pandas
  import requests
  from requests_toolbelt import MultipartDecoder
  from requests_toolbelt.multipart.decoder import NonMultipartContentTypeException
  from catalyst.constants import LOG_LEVEL, AUTH_SERVER, ETH_REMOTE_NODE, MARKETPLACE_CONTRACT, MARKETPLACE_CONTRACT_ABI, ENIGMA_CONTRACT, ENIGMA_CONTRACT_ABI, TERMS_AND_CONDITIONS
  from catalyst.exchange.utils.stats_utils import set_print_settings
  from catalyst.marketplace.marketplace_errors import MarketplaceDatasetNotFound, MarketplaceNoAddressMatch, MarketplaceHTTPRequest, MarketplaceNoCSVFiles, MarketplaceRequiresPython3
  from catalyst.marketplace.utils.auth_utils import get_key_secret, get_signed_headers
  from catalyst.marketplace.utils.eth_utils import bin_hex, from_grains, to_grains
  from catalyst.marketplace.utils.path_utils import get_bundle_folder, get_data_source_folder, get_marketplace_folder, get_user_pubaddr, get_temp_bundles_folder, extract_bundle, save_user_pubaddr
  from catalyst.utils.paths import ensure_directory
label_desc: Use image node_id 10 for calling the Marketplace obj's underlying member method code with example usage: obj.ingest(ds_name, start, end, force_download) without return types