Download request INTERNAL_ERROR

[angeldhs00]

Hi, I am trying to download data through the OpenDap service without success. I am making the request in anaconda python 3.11 in spyder environment using wget request package and I am getting the following URLError: <urlopen error [SSL: TLSV1_ALERT_INTERNAL_ERROR] tlsv1 alert internal error (_ssl.c:1002)>. I'm not sure why this is because I haven't had any problems before. I'm trying to make any simple API request.

[Neil Davis]

What is the URL you are trying to access? The OpenDap service has been removed, about a year ago, after we restructured our data on the backend. You should now use the daTap interfaces explained in the forum post below for accessing the data.

 

[angeldhs00]

Yes, I am trying with that service. My request is
wget('https://wps.neweuropeanwindatlas.eu/api/mesoscale-ts/v1/get-data-point?latitude=53.800651&longitude=3.955078&variable=WD10&variable=WS10&dt_start=2018-12-20T00:00:00&dt_stop=2018 -12-31T23:30:00')

I am coding this link to be able to make different downloads in an application.

[Neil Davis]

I think the issue is that the library you are using is quite old and only supports TLSv1. We have recently disabled TLSv1 and TLSv2. There is also a space between 2018 and -12 in the dt_stop variable of the URL you pasted above.

 

Here is a script using python3 that I used to download and save the file to a named temporary file.

 

from urllib.request import urlopen
from shutil import copyfileobj
from tempfile import NamedTemporaryFile

url = 'https://wps.neweuropeanwindatlas.eu/api/mesoscale-ts/v1/get-data-point?latitude=53.800651&longitude=3.955078&variable=WD10&variable=WS10&dt_start=2018-12-20T00:00:00&dt_stop=2018-12-31T23:30:00'
with urlopen(url) as fsrc, NamedTemporaryFile(delete=False) as fdst:
    copyfileobj(fsrc, fdst)

 

[angeldhs00]

Yes, you are right, the problem was the wget module, with urlretrive I haven't had any problems, thank you!