# Climate indicator manager - a package for managing and building climate indicator dashboards.
# Copyright (c) 2022 John Kennedy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from pathlib import Path
import requests
import shutil
from climind.fetchers.fetcher_utils import filename_from_url
[docs]
def fetch(url: str, outdir: Path, filename: str) -> None:
"""
Fetcher for a standard URL that can be accessed without restrictions, credentials, or any other tomfoolery.
Parameters
----------
url: str
URL of the file to be downloaded.
outdir: Path
Path of the directory to which the output will be written
filename: str
Filename to save file as locally
Returns
-------
None
"""
inferred_filename = filename_from_url(url)
if inferred_filename != filename:
print(f"Renaming file from {inferred_filename} to {filename}")
out_path = outdir / filename
try:
r = requests.get(url, stream=True, headers={'User-agent': 'Mozilla/5.0'})
if r.status_code == 200:
with open(out_path, 'wb') as f:
r.raw.decode_content = True
shutil.copyfileobj(r.raw, f)
except requests.exceptions.ConnectionError:
print(f"Couldn't connect to {url}")