# Copyright 2011-2014 Biomedical Imaging Group Rotterdam, Departments of
# Medical Informatics and Radiology, Erasmus MC, Rotterdam, The Netherlands
#
# Licensed 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, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from fastr import exceptions
from fastr.core.ioplugin import IOPlugin
import requests
CHUNK_SIZE = 524288
class HTTPPlugin(IOPlugin):
"""
.. warning::
This Plugin is still under development and has not been tested at all.
example url: https://server.io/path/to/resource
"""
scheme = ('https', 'http')
[docs] def __init__(self):
super(HTTPPlugin, self).__init__()
[docs] def fetch_url(self, inurl, outpath):
"""
Download file from server.
:param inurl: url to the file.
:param outpath: path to store file
"""
response = requests.get(inurl, allow_redirects=True, stream=True, timeout=60)
# For download (GET) response should be 200
if response.status_code != 200:
raise exceptions.FastrDataTypeValueError(
"Problem downloading the file, HTTP status code {}".format(response.status_code)
)
# Write download stream to file
with open(outpath, 'wb') as output_file:
for chunk in response.iter_content(CHUNK_SIZE):
output_file.write(chunk)
return outpath