new_contents: import os.path
  import numpy as np
  
  
  home = os.path.expanduser("~")
  data_dir = os.path.join(home, "sdtw_data")
  ucr_dir = os.path.join(data_dir, "UCR_TS_Archive_2015")
  
  
  def _parse_ucr(filename):
      y = []
      X = []
      for line in file(filename):
          line = line.strip()
          arr = line.split(",")
          label = int(arr[0])
          feat = map(float, arr[1:])
          feat = np.array(feat).reshape(-1, 1)
          y.append(label)
          X.append(feat)
      return X, np.array(y)
  
  
  def list_ucr():
      return sorted(os.listdir(ucr_dir))
  
  
  def load_ucr(name):
      folder = os.path.join(ucr_dir, name)
      tr = os.path.join(folder, "%s_TRAIN" % name)
      te = os.path.join(folder, "%s_TEST" % name)
  
      try:
          X_tr, y_tr = _parse_ucr(tr)
          X_te, y_te = _parse_ucr(te)
      except IOError:
          raise IOError("Please copy UCR_TS_Archive_2015/ to $HOME/sdtw_data/. "
                        "Download from www.cs.ucr.edu/~eamonn/time_series_data.")
  
      y_tr = np.array(y_tr)
      y_te = np.array(y_te)
      X_tr = np.array(X_tr)
      X_te = np.array(X_te)
  
      return X_tr, y_tr, X_te, y_te
  
subject: Add UCR dataset loader.