Pydap - dods file

[Den B]

Hi,

i would like to serve netcdf files, but i would like to use .dods files in order to have the possibilty to download just a part of the files.
I have installed Pydap 3.2 and handlers on a ubuntu 17.10 server system, and I have prepared .nc files.
But now I don't know how to create the associated .das .dds and .dods files with Pydap.

Please could you help me ?

Thank you in advance

Sincerely

[Haines, Sara M]

I suspect you are running into the same issue that others have had installing the server and netcdf handlers.  The pypi version was out of sync with the github version as of July 2017.  Might still be the case. We are running the pydap version 3.2.2 successfully after following steps listed below.

 

Are you getting an error message when you run the standalone server?  Or just not seeing any .das, .dds. response when you run the standalone server?  The server, with installed handlers (netcdf in your case), should generate these responses. 

 

If you are not having the same issue as described here, please provide  any error messages.

 

----------------------------------

 

Here are my notes on installing pyday server with  netcdf handlers.

 

# create virtual environment

$ virtualenv --version

15.1.0

$ virtualenv pydap

$ cd pydap

$ source bin/activate

 

1. Install latest pydap (currently at 3.2.2)

(pydap) $ pip install pydap

 

Handlers on Pypi are out of date relative to the new pydap development

(pydap) $ pip install pydap.handlers.netcdf

 

# get the lastest -- to see dds, das, html repsonse on webrowser, without this it doesn't work

# posted answer on Google Groups listserve for pydap

(pydap) $ pip install git+https://github.com/pydap/pydap.handlers.netcdf.git  

# to install server

(pydap) $ pip install pydap[server]             

(pydap) $ pip install pydap[handlers.netcdf] # only installs dependencies but not code for handler

(pydap) $ pip install pydap[functions]          # to install coards (1.0.5) and gsw (3.0.6) since it crashes without these

 

# test standalone server

(pydap) $ mkdir -p server/data

(pydap) $ wget http://whewell.marine.unc.edu/test_data/coads.nc -O server/data/coads.nc

(pydap) $ wget http://whewell.marine.unc.edu/test_data/sample.csv -O server/data/sample.csv

(pydap) $ pydap --data server/data

 

Point browser to default binding and port used for pydap. 

 

 

 

Sara Haines

Department of Marine Sciences

University of North Carolina

Chapel Hill, NC 27599-3300

919-962-1253

sarah...@unc.edu

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[Chris Barker]

you may want to consider using conda and conda-forge  to get pydap -- you may have better luck getting everything in sync.

-CHB

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[Den B]

Hi Sara,

thank you very much for your help !

I have installed the new handlers and now it works fine !

Thanks again

Denis

[Den B]

Hi Chris,

thank you very much for your advice


Denis

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