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EcRequests

Stable Dev Build Status Coverage

EcRequests.jl interfaces the Ecmwf API to retrieve ECMWF meteorological data. It uses PyCall.jl to install the needed python client.

Installation

To install the package:

] add https://github.com/tcarion/EcRequests.jl

Make requests

To be able to make requests to the ECMWF Web API, you will first need to create an account at ECMWF, and then follow the instructions to set up your API key. Then, you can create your request:

using EcRequests
request = EcRequest(
   "stream" => "oper",
   "levtype" => "sfc",
   "param" => "165.128/41.128",
   "dataset" => "interim",
   "step" => "0",
   "grid" => "0.75/0.75",
   "time" => "00",
   "date" => "2013-09-01/to/2013-09-30",
   "type" => "an",
   "class" => "ei",
   "target" => "interim_2013-09-01to2013-09-30_00.grib"
)

And then run it:

EcRequests.runmars(request)

You can also read a file with the MARS syntax:

cat > my_request << EOF
retrieve,
   stream=oper,
   levtype=sfc,
   param=165.128/41.128,
   dataset=interim,
   step=0,
   grid=0.75/0.75,
   time=00,
   date=2013-09-01/to/2013-09-30,
   type=an,
   class=ei,
   target="interim_2013-09-01to2013-09-30_00.grib"
EOF
request = EcRequest("my_request")
OrderedCollections.OrderedDict{String, Any} with 11 entries:
  "stream"  => "oper"
  "levtype" => "sfc"
  "param"   => "165.128/41.128"
  "dataset" => "interim"
  "step"    => "0"
  "grid"    => "0.75/0.75"
  "time"    => "00"
  "date"    => "2013-09-01/to/2013-09-30"
  "type"    => "an"
  "class"   => "ei"
  "target"  => "\"interim_2013-09-01to2013-09-30_00.grib\""

Remark

This package has not been developed by ECMWF people. If you're from ECMWF, don't hesitate to contact me and discuss about further improvement!