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# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
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# under the License.

# pylint: skip-file
import os, gzip
import sys

def get_libsvm_data(data_dir, data_name, url):
    if not os.path.isdir(data_dir):
        os.mkdir(data_dir)
    os.chdir(data_dir)
    if (not os.path.exists(data_name)):
        print("Dataset " + data_name + " not present. Downloading now ...")
        import urllib
        zippath = os.path.join(data_dir, data_name + ".bz2")
        urllib.urlretrieve(url + data_name + ".bz2", zippath)
        os.system("bzip2 -d %r" % data_name + ".bz2")
        print("Dataset " + data_name + " is now present.")
    os.chdir("..")
