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DownloadDataset.py
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DownloadDataset.py
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# Copyright (c) 2019-2020, RTE (https://www.rte-france.com)
# See AUTHORS.txt
# This Source Code Form is subject to the terms of the Mozilla Public License, version 2.0.
# If a copy of the Mozilla Public License, version 2.0 was not distributed with this file,
# you can obtain one at http://mozilla.org/MPL/2.0/.
# SPDX-License-Identifier: MPL-2.0
# This file is part of Grid2Op, Grid2Op a testbed platform to model sequential decision making in power systems.
import os
import sys
from tqdm import tqdm
import re
import tarfile
from grid2op.Exceptions import Grid2OpException
try:
import urllib.request
except Exception as e:
raise RuntimeError("Impossible to find library urllib. Please install it.")
URL_GRID2OP_DATA = "https://github.com/Tezirg/Grid2Op/releases/download/{}/{}"
DATASET_TAG_v0_1_0 = "datasets-v0.1.0"
DICT_URL_GRID2OP_DL = {
"rte_case14_realistic": URL_GRID2OP_DATA.format(DATASET_TAG_v0_1_0, "rte_case14_realistic.tar.bz2"),
"rte_case14_redisp": URL_GRID2OP_DATA.format(DATASET_TAG_v0_1_0, "rte_case14_redisp.tar.bz2"),
"l2rpn_2019": URL_GRID2OP_DATA.format(DATASET_TAG_v0_1_0, "l2rpn_2019.tar.bz2")
}
LI_VALID_ENV = sorted(["\"{}\"".format(el) for el in DICT_URL_GRID2OP_DL.keys()])
class DownloadProgressBar(tqdm):
"""
INTERNAL
.. warning:: /!\\\\ Internal, do not use unless you know what you are doing /!\\\\
This class is here to show the progress bar when downloading this dataset
"""
def update_to(self, b=1, bsize=1, tsize=None):
if tsize is not None:
self.total = tsize
self.update(b * bsize - self.n)
def download_url(url, output_path):
"""
INTERNAL
.. warning:: /!\\\\ Internal, do not use unless you know what you are doing /!\\\\
This function download the file located at 'url' and save it to 'output_path'
Parameters
----------
url: ``str``
The url of the file to download
output_path: ``str``
The path where the data will be stored.
"""
with DownloadProgressBar(unit='B', unit_scale=True, miniters=1, desc=url.split('/')[-1]) as t:
urllib.request.urlretrieve(url, filename=output_path, reporthook=t.update_to)
def _aux_download(url, dataset_name, path_data, ds_name_dl=None):
"""
INTERNAL
.. warning:: /!\\\\ Internal, do not use unless you know what you are doing /!\\\\
"""
if ds_name_dl is None:
ds_name_dl = dataset_name
final_path = os.path.join(path_data, ds_name_dl)
if os.path.exists(final_path):
str_ = "Downloading and extracting this data would create a folder \"{final_path}\" " \
"but this folder already exists. Either you already downloaded the data, in this case " \
"you can invoke the environment from a python script with:\n" \
"\t env = grid2op.make(\"{final_path}\")\n" \
"Alternatively you can also delete the folder \"{final_path}\" from your computer and run this command " \
"again.\n" \
"Finally, you can download the data in a different folder by specifying (in a command prompt):\n" \
"\t grid2op.download --name \"{env_name}\" --path_save PATH\WHERE\YOU\WANT\TO\DOWNLOAD" \
"".format(final_path=final_path, env_name=dataset_name)
print(str_)
raise Grid2OpException(str_)
if not os.path.exists(path_data):
print("Creating path \"{}\" where data for \"{}\" environment will be downloaded."
"".format(path_data, ds_name_dl))
try:
os.mkdir(path_data)
except Exception as exc_:
str_ = "Impossible to create path \"{}\" to store the data. Please save the data in a different repository " \
"with setting the argument \"--path_save\"" \
"Error was:\n{}".format(path_data, exc_)
raise Grid2OpException(str_)
output_path = os.path.abspath(os.path.join(path_data, "{}.tar.bz2".format(ds_name_dl)))
# download the data (with progress bar)
print("downloading the training data, this may take a while.")
download_url(url, output_path)
tar = tarfile.open(output_path, "r:bz2")
print("Extract the tar archive in \"{}\"".format(os.path.abspath(path_data)))
tar.extractall(path_data)
tar.close()
# rename the file if necessary
if ds_name_dl != dataset_name:
os.rename(final_path, os.path.join(path_data, dataset_name))
# and rm the tar bz2
# bug in the AWS file... named ".tar.tar.bz2" ...
os.remove(output_path)
print("You may now use the environment \"{}\" with the available data by invoking:\n"
"\tenv = grid2op.make(\"{}\")"
"".format(dataset_name, dataset_name))
def main_download(dataset_name, path_data):
"""
INTERNAL
.. warning:: /!\\\\ Internal, do not use unless you know what you are doing /!\\\\
"""
dataset_name = dataset_name.lower().rstrip().lstrip()
dataset_name = re.sub('"', "", dataset_name)
if dataset_name not in DICT_URL_GRID2OP_DL:
print("Impossible to find environment named \"{env_name}\". Known environments are:\n{li_env}"
"".format(env_name=dataset_name, li_env=",".join(LI_VALID_ENV)))
sys.exit(1)
url = DICT_URL_GRID2OP_DL[dataset_name]
_aux_download(url, dataset_name, path_data)