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58 | <div class="version"> |
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59 | 7.1 |
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60 | </div> |
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84 | <ul> |
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138 | <li>MarsRetrieval</li> |
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152 | |
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153 | <h1>Source code for MarsRetrieval</h1><div class="highlight"><pre> |
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154 | <span></span><span class="ch">#!/usr/bin/env python</span> |
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155 | <span class="c1"># -*- coding: utf-8 -*-</span> |
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156 | <span class="c1">#*******************************************************************************</span> |
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157 | <span class="c1"># @Author: Anne Fouilloux (University of Oslo)</span> |
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158 | <span class="c1">#</span> |
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159 | <span class="c1"># @Date: October 2014</span> |
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160 | <span class="c1">#</span> |
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161 | <span class="c1"># @Change History:</span> |
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162 | <span class="c1">#</span> |
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163 | <span class="c1"># November 2015 - Leopold Haimberger (University of Vienna):</span> |
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164 | <span class="c1"># - optimized display_info</span> |
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165 | <span class="c1"># - optimized data_retrieve and seperate between python and shell</span> |
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166 | <span class="c1"># script call</span> |
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167 | <span class="c1">#</span> |
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168 | <span class="c1"># February 2018 - Anne Philipp (University of Vienna):</span> |
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169 | <span class="c1"># - applied PEP8 style guide</span> |
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170 | <span class="c1"># - added documentation</span> |
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171 | <span class="c1"># - applied some minor modifications in programming style/structure</span> |
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172 | <span class="c1">#</span> |
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173 | <span class="c1"># @License:</span> |
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174 | <span class="c1"># (C) Copyright 2015-2018.</span> |
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175 | <span class="c1">#</span> |
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176 | <span class="c1"># This software is licensed under the terms of the Apache Licence Version 2.0</span> |
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177 | <span class="c1"># which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.</span> |
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178 | <span class="c1">#</span> |
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179 | <span class="c1"># @Class Description:</span> |
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180 | <span class="c1"># A MARS revtrieval has a specific syntax with a selection of keywords and</span> |
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181 | <span class="c1"># their corresponding values. This class provides the necessary functions</span> |
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182 | <span class="c1"># by displaying the selected parameters and their values and the actual</span> |
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183 | <span class="c1"># retrievement of the data through a mars request or a Python web api</span> |
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184 | <span class="c1"># interface. The initialization already expects all the keyword values.</span> |
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185 | <span class="c1">#</span> |
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186 | <span class="c1"># @Class Content:</span> |
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187 | <span class="c1"># - __init__</span> |
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188 | <span class="c1"># - display_info</span> |
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189 | <span class="c1"># - data_retrieve</span> |
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190 | <span class="c1">#</span> |
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191 | <span class="c1"># @Class Attributes:</span> |
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192 | <span class="c1"># - server</span> |
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193 | <span class="c1"># - marsclass</span> |
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194 | <span class="c1"># - dtype</span> |
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195 | <span class="c1"># - levtype</span> |
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196 | <span class="c1"># - levelist</span> |
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197 | <span class="c1"># - repres</span> |
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198 | <span class="c1"># - date</span> |
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199 | <span class="c1"># - resol</span> |
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200 | <span class="c1"># - stream</span> |
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201 | <span class="c1"># - area</span> |
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202 | <span class="c1"># - time</span> |
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203 | <span class="c1"># - step</span> |
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204 | <span class="c1"># - expver</span> |
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205 | <span class="c1"># - number</span> |
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206 | <span class="c1"># - accuracy</span> |
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207 | <span class="c1"># - grid</span> |
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208 | <span class="c1"># - gaussian</span> |
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209 | <span class="c1"># - target</span> |
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210 | <span class="c1"># - param</span> |
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211 | <span class="c1">#</span> |
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212 | <span class="c1">#*******************************************************************************</span> |
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213 | |
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214 | <span class="c1"># ------------------------------------------------------------------------------</span> |
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215 | <span class="c1"># MODULES</span> |
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216 | <span class="c1"># ------------------------------------------------------------------------------</span> |
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217 | <span class="kn">import</span> <span class="nn">os</span> |
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218 | <span class="kn">import</span> <span class="nn">sys</span> |
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219 | <span class="kn">import</span> <span class="nn">subprocess</span> |
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220 | |
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221 | <span class="c1"># software specific classes and modules from flex_extract</span> |
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222 | <span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'../'</span><span class="p">)</span> |
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223 | <span class="kn">import</span> <span class="nn">_config</span> |
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224 | <span class="c1"># ------------------------------------------------------------------------------</span> |
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225 | <span class="c1"># CLASS</span> |
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226 | <span class="c1"># ------------------------------------------------------------------------------</span> |
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227 | <div class="viewcode-block" id="MarsRetrieval"><a class="viewcode-back" href="../api.html#MarsRetrieval.MarsRetrieval">[docs]</a><span class="k">class</span> <span class="nc">MarsRetrieval</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> |
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228 | <span class="sd">'''Class for submitting MARS retrievals.</span> |
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229 | |
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230 | <span class="sd"> A description of MARS keywords/arguments and examples of their</span> |
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231 | <span class="sd"> values can be found here:</span> |
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232 | <span class="sd"> https://software.ecmwf.int/wiki/display/UDOC/\</span> |
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233 | <span class="sd"> Identification+keywords#Identificationkeywords-class</span> |
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234 | <span class="sd"> '''</span> |
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235 | |
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236 | <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">server</span><span class="p">,</span> <span class="n">public</span><span class="p">,</span> <span class="n">marsclass</span><span class="o">=</span><span class="s2">"ei"</span><span class="p">,</span> <span class="n">dataset</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="nb">type</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> |
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237 | <span class="n">levtype</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">levelist</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">repres</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">date</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">resol</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> |
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238 | <span class="n">stream</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">area</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">time</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">expver</span><span class="o">=</span><span class="s2">"1"</span><span class="p">,</span> |
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239 | <span class="n">number</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">accuracy</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">grid</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">gaussian</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">target</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> |
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240 | <span class="n">param</span><span class="o">=</span><span class="s2">""</span><span class="p">):</span> |
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241 | <span class="sd">'''Initialises the instance of the MarsRetrieval class and</span> |
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242 | <span class="sd"> defines and assigns a set of the necessary retrieval parameters</span> |
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243 | <span class="sd"> for the FLEXPART input data.</span> |
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244 | <span class="sd"> A description of MARS keywords/arguments, their dependencies</span> |
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245 | <span class="sd"> on each other and examples of their values can be found here:</span> |
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246 | |
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247 | <span class="sd"> https://software.ecmwf.int/wiki/display/UDOC/MARS+keywords</span> |
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248 | |
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249 | <span class="sd"> Parameters</span> |
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250 | <span class="sd"> ----------</span> |
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251 | <span class="sd"> server : :obj:`ECMWFService`</span> |
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252 | <span class="sd"> This is the connection to the ECMWF data servers.</span> |
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253 | <span class="sd"> It is needed for the pythonic access of ECMWF data.</span> |
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254 | |
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255 | <span class="sd"> public : :obj:`integer`</span> |
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256 | <span class="sd"> Decides which Web API version is used:</span> |
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257 | <span class="sd"> 0: member-state users and full archive access</span> |
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258 | <span class="sd"> 1: public access and limited access to the public server and</span> |
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259 | <span class="sd"> datasets. Needs the parameter dataset.</span> |
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260 | <span class="sd"> Default is "0" and for member-state users.</span> |
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261 | |
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262 | <span class="sd"> marsclass : :obj:`string`, optional</span> |
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263 | <span class="sd"> Characterisation of dataset. E.g. EI (ERA-Interim),</span> |
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264 | <span class="sd"> E4 (ERA40), OD (Operational archive), ea (ERA5).</span> |
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265 | <span class="sd"> Default is the ERA-Interim dataset "ei".</span> |
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266 | |
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267 | <span class="sd"> dataset : :obj:`string`, optional</span> |
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268 | <span class="sd"> For public datasets there is the specific naming and parameter</span> |
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269 | <span class="sd"> dataset which has to be used to characterize the type of</span> |
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270 | <span class="sd"> data. Usually there is less data available, either in times,</span> |
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271 | <span class="sd"> domain or parameter.</span> |
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272 | <span class="sd"> Default is an empty string.</span> |
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273 | |
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274 | <span class="sd"> type : :obj:`string`, optional</span> |
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275 | <span class="sd"> Determines the type of fields to be retrieved.</span> |
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276 | <span class="sd"> Selects between observations, images or fields.</span> |
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277 | <span class="sd"> Examples for fields: Analysis (an), Forecast (fc),</span> |
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278 | <span class="sd"> Perturbed Forecast (pf), Control Forecast (cf) and so on.</span> |
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279 | <span class="sd"> Default is an empty string.</span> |
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280 | |
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281 | <span class="sd"> levtype : :obj:`string`, optional</span> |
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282 | <span class="sd"> Denotes type of level. Has a direct implication on valid</span> |
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283 | <span class="sd"> levelist values!</span> |
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284 | <span class="sd"> E.g. model level (ml), pressure level (pl), surface (sfc),</span> |
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285 | <span class="sd"> potential vorticity (pv), potential temperature (pt)</span> |
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286 | <span class="sd"> and depth (dp).</span> |
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287 | <span class="sd"> Default is an empty string.</span> |
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288 | |
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289 | <span class="sd"> levelist : :obj:`string`, optional</span> |
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290 | <span class="sd"> Specifies the required levels. It has to have a valid</span> |
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291 | <span class="sd"> correspondence to the selected levtype.</span> |
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292 | <span class="sd"> Examples: model level: 1/to/137, pressure levels: 500/to/1000</span> |
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293 | <span class="sd"> Default is an empty string.</span> |
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294 | |
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295 | <span class="sd"> repres : :obj:`string`, optional</span> |
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296 | <span class="sd"> Selects the representation of the archived data.</span> |
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297 | <span class="sd"> E.g. sh - spherical harmonics, gg - Gaussian grid,</span> |
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298 | <span class="sd"> ll - latitude/longitude, ...</span> |
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299 | <span class="sd"> Default is an empty string.</span> |
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300 | |
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301 | <span class="sd"> date : :obj:`string`, optional</span> |
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302 | <span class="sd"> Specifies the Analysis date, the Forecast base date or</span> |
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303 | <span class="sd"> Observations date. Valid formats are:</span> |
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304 | <span class="sd"> Absolute as YYYY-MM-DD or YYYYMMDD.</span> |
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305 | <span class="sd"> Default is an empty string.</span> |
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306 | |
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307 | <span class="sd"> resol : :obj:`string`, optional</span> |
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308 | <span class="sd"> Specifies the desired triangular truncation of retrieved data,</span> |
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309 | <span class="sd"> before carrying out any other selected post-processing.</span> |
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310 | <span class="sd"> The default is automatic truncation (auto), by which the lowest</span> |
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311 | <span class="sd"> resolution compatible with the value specified in grid is</span> |
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312 | <span class="sd"> automatically selected for the retrieval.</span> |
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313 | <span class="sd"> Users wanting to perform post-processing from full spectral</span> |
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314 | <span class="sd"> resolution should specify Archived Value (av).</span> |
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315 | <span class="sd"> The following are examples of existing resolutions found in</span> |
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316 | <span class="sd"> the archive: 63, 106, 159, 213, 255, 319, 399, 511, 799 or 1279.</span> |
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317 | <span class="sd"> This keyword has no meaning/effect if the archived data is</span> |
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318 | <span class="sd"> not in spherical harmonics representation.</span> |
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319 | <span class="sd"> The best selection can be found here:</span> |
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320 | <span class="sd"> https://software.ecmwf.int/wiki/display/UDOC/\</span> |
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321 | <span class="sd"> Retrieve#Retrieve-Truncationbeforeinterpolation</span> |
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322 | <span class="sd"> Default is an empty string.</span> |
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323 | |
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324 | <span class="sd"> stream : :obj:`string`, optional</span> |
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325 | <span class="sd"> Identifies the forecasting system used to generate the data.</span> |
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326 | <span class="sd"> E.g. oper (Atmospheric model), enfo (Ensemble forecats), ...</span> |
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327 | <span class="sd"> Default is an empty string.</span> |
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328 | |
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329 | <span class="sd"> area : :obj:`string`, optional</span> |
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330 | <span class="sd"> Specifies the desired sub-area of data to be extracted.</span> |
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331 | <span class="sd"> Areas can be defined to wrap around the globe.</span> |
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332 | |
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333 | <span class="sd"> Latitude values must be given as signed numbers, with:</span> |
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334 | <span class="sd"> north latitudes (i.e. north of the equator)</span> |
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335 | <span class="sd"> being positive (e.g: 40.5)</span> |
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336 | <span class="sd"> south latitutes (i.e. south of the equator)</span> |
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337 | <span class="sd"> being negative (e.g: -50.5)</span> |
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338 | <span class="sd"> Longtitude values must be given as signed numbers, with:</span> |
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339 | <span class="sd"> east longitudes (i.e. east of the 0 degree meridian)</span> |
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340 | <span class="sd"> being positive (e.g: 35.0)</span> |
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341 | <span class="sd"> west longitudes (i.e. west of the 0 degree meridian)</span> |
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342 | <span class="sd"> being negative (e.g: -20.5)</span> |
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343 | |
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344 | <span class="sd"> E.g.: North/West/South/East</span> |
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345 | <span class="sd"> Default is an empty string.</span> |
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346 | |
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347 | <span class="sd"> time : :obj:`string`, optional</span> |
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348 | <span class="sd"> Specifies the time of the data in hours and minutes.</span> |
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349 | <span class="sd"> Valid values depend on the type of data: Analysis time,</span> |
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350 | <span class="sd"> Forecast base time or First guess verification time</span> |
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351 | <span class="sd"> (all usually at synoptic hours: 00, 06, 12 and 18 ).</span> |
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352 | <span class="sd"> Observation time (any combination in hours and minutes is valid,</span> |
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353 | <span class="sd"> subject to data availability in the archive).</span> |
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354 | <span class="sd"> The syntax is HHMM or HH:MM. If MM is omitted it defaults to 00.</span> |
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355 | <span class="sd"> Default is an empty string.</span> |
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356 | |
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357 | <span class="sd"> step : :obj:`string`, optional</span> |
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358 | <span class="sd"> Specifies the forecast time step from forecast base time.</span> |
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359 | <span class="sd"> Valid values are hours (HH) from forecast base time. It also</span> |
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360 | <span class="sd"> specifies the length of the forecast which verifies at</span> |
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361 | <span class="sd"> First Guess time.</span> |
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362 | <span class="sd"> E.g. 1/3/6-hourly</span> |
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363 | <span class="sd"> Default is an empty string.</span> |
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364 | |
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365 | <span class="sd"> expver : :obj:`string`, optional</span> |
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366 | <span class="sd"> The version of the dataset. Each experiment is assigned a</span> |
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367 | <span class="sd"> unique code (version). Production data is assigned 1 or 2,</span> |
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368 | <span class="sd"> and experimental data in Operations 11, 12 ,...</span> |
---|
369 | <span class="sd"> Research or Member State's experiments have a four letter</span> |
---|
370 | <span class="sd"> experiment identifier.</span> |
---|
371 | <span class="sd"> Default is "1".</span> |
---|
372 | |
---|
373 | <span class="sd"> number : :obj:`string`, optional</span> |
---|
374 | <span class="sd"> Selects the member in ensemble forecast run. (Only then it</span> |
---|
375 | <span class="sd"> is necessary.) It has a different meaning depending on</span> |
---|
376 | <span class="sd"> the type of data.</span> |
---|
377 | <span class="sd"> E.g. Perturbed Forecasts: specifies the Ensemble forecast member</span> |
---|
378 | <span class="sd"> Default is an empty string.</span> |
---|
379 | |
---|
380 | <span class="sd"> accuracy : :obj:`string`, optional</span> |
---|
381 | <span class="sd"> Specifies the number of bits per value to be used in the</span> |
---|
382 | <span class="sd"> generated GRIB coded fields.</span> |
---|
383 | <span class="sd"> A positive integer may be given to specify the preferred number</span> |
---|
384 | <span class="sd"> of bits per packed value. This must not be greater than the</span> |
---|
385 | <span class="sd"> number of bits normally used for a Fortran integer on the</span> |
---|
386 | <span class="sd"> processor handling the request (typically 32 or 64 bit).</span> |
---|
387 | <span class="sd"> Within a compute request the accuracy of the original fields</span> |
---|
388 | <span class="sd"> can be passed to the result field by specifying accuracy=av.</span> |
---|
389 | <span class="sd"> Default is an empty string.</span> |
---|
390 | |
---|
391 | <span class="sd"> grid : :obj:`string`, optional</span> |
---|
392 | <span class="sd"> Specifies the output grid which can be either a Gaussian grid</span> |
---|
393 | <span class="sd"> or a Latitude/Longitude grid. MARS requests specifying</span> |
---|
394 | <span class="sd"> grid=av will return the archived model grid.</span> |
---|
395 | |
---|
396 | <span class="sd"> Lat/Lon grid: The grid spacing needs to be an integer</span> |
---|
397 | <span class="sd"> fraction of 90 degrees e.g. grid = 0.5/0.5</span> |
---|
398 | |
---|
399 | <span class="sd"> Gaussian grid: specified by a letter denoting the type of</span> |
---|
400 | <span class="sd"> Gaussian grid followed by an integer (the grid number)</span> |
---|
401 | <span class="sd"> representing the number of lines between the Pole and Equator,</span> |
---|
402 | <span class="sd"> e.g.</span> |
---|
403 | <span class="sd"> grid = F160 - full (or regular) Gaussian grid with</span> |
---|
404 | <span class="sd"> 160 latitude lines between the pole and equator</span> |
---|
405 | <span class="sd"> grid = N320 - ECMWF original reduced Gaussian grid with</span> |
---|
406 | <span class="sd"> 320 latitude lines between the pole and equator,</span> |
---|
407 | <span class="sd"> see Reduced Gaussian Grids for grid numbers used at ECMWF</span> |
---|
408 | <span class="sd"> grid = O640 - ECMWF octahedral (reduced) Gaussian grid with</span> |
---|
409 | <span class="sd"> 640 latitude lines between the pole and equator</span> |
---|
410 | <span class="sd"> Default is an empty string.</span> |
---|
411 | |
---|
412 | <span class="sd"> gaussian : :obj:`string`, optional</span> |
---|
413 | <span class="sd"> This parameter is deprecated and should no longer be used.</span> |
---|
414 | <span class="sd"> Specifies the desired type of Gaussian grid for the output.</span> |
---|
415 | <span class="sd"> Valid Gaussian grids are quasi-regular (reduced) or regular.</span> |
---|
416 | <span class="sd"> Keyword gaussian can only be specified together with</span> |
---|
417 | <span class="sd"> keyword grid. Gaussian without grid has no effect.</span> |
---|
418 | <span class="sd"> Default is an empty string.</span> |
---|
419 | |
---|
420 | <span class="sd"> target : :obj:`string`, optional</span> |
---|
421 | <span class="sd"> Specifies a file into which data is to be written after</span> |
---|
422 | <span class="sd"> retrieval or manipulation. Path names should always be</span> |
---|
423 | <span class="sd"> enclosed in double quotes. The MARS client supports automatic</span> |
---|
424 | <span class="sd"> generation of multiple target files using MARS keywords</span> |
---|
425 | <span class="sd"> enclosed in square brackets [ ]. If the environment variable</span> |
---|
426 | <span class="sd"> MARS_MULTITARGET_STRICT_FORMAT is set to 1 before calling mars,</span> |
---|
427 | <span class="sd"> the keyword values will be used in the filename as shown by</span> |
---|
428 | <span class="sd"> the ecCodes GRIB tool grib_ls -m, e.g. with</span> |
---|
429 | <span class="sd"> MARS_MULTITARGET_STRICT_FORMAT set to 1 the keywords time,</span> |
---|
430 | <span class="sd"> expver and param will be formatted as 0600, 0001 and 129.128</span> |
---|
431 | <span class="sd"> rather than 600, 1 and 129.</span> |
---|
432 | <span class="sd"> Default is an empty string.</span> |
---|
433 | |
---|
434 | <span class="sd"> param : :obj:`string`, optional</span> |
---|
435 | <span class="sd"> Specifies the meteorological parameter.</span> |
---|
436 | <span class="sd"> The list of meteorological parameters in MARS is extensive.</span> |
---|
437 | <span class="sd"> Their availability is directly related to their meteorological</span> |
---|
438 | <span class="sd"> meaning and, therefore, the rest of directives specified</span> |
---|
439 | <span class="sd"> in the MARS request.</span> |
---|
440 | <span class="sd"> Meteorological parameters can be specified by their</span> |
---|
441 | <span class="sd"> GRIB code (param=130), their mnemonic (param=t) or</span> |
---|
442 | <span class="sd"> full name (param=temperature).</span> |
---|
443 | <span class="sd"> The list of parameter should be seperated by a "/"-sign.</span> |
---|
444 | <span class="sd"> E.g. 130/131/133</span> |
---|
445 | <span class="sd"> Default is an empty string.</span> |
---|
446 | |
---|
447 | <span class="sd"> Return</span> |
---|
448 | <span class="sd"> ------</span> |
---|
449 | |
---|
450 | <span class="sd"> '''</span> |
---|
451 | |
---|
452 | <span class="bp">self</span><span class="o">.</span><span class="n">server</span> <span class="o">=</span> <span class="n">server</span> |
---|
453 | <span class="bp">self</span><span class="o">.</span><span class="n">public</span> <span class="o">=</span> <span class="n">public</span> |
---|
454 | <span class="bp">self</span><span class="o">.</span><span class="n">marsclass</span> <span class="o">=</span> <span class="n">marsclass</span> |
---|
455 | <span class="bp">self</span><span class="o">.</span><span class="n">dataset</span> <span class="o">=</span> <span class="n">dataset</span> |
---|
456 | <span class="bp">self</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="nb">type</span> |
---|
457 | <span class="bp">self</span><span class="o">.</span><span class="n">levtype</span> <span class="o">=</span> <span class="n">levtype</span> |
---|
458 | <span class="bp">self</span><span class="o">.</span><span class="n">levelist</span> <span class="o">=</span> <span class="n">levelist</span> |
---|
459 | <span class="bp">self</span><span class="o">.</span><span class="n">repres</span> <span class="o">=</span> <span class="n">repres</span> |
---|
460 | <span class="bp">self</span><span class="o">.</span><span class="n">date</span> <span class="o">=</span> <span class="n">date</span> |
---|
461 | <span class="bp">self</span><span class="o">.</span><span class="n">resol</span> <span class="o">=</span> <span class="n">resol</span> |
---|
462 | <span class="bp">self</span><span class="o">.</span><span class="n">stream</span> <span class="o">=</span> <span class="n">stream</span> |
---|
463 | <span class="bp">self</span><span class="o">.</span><span class="n">area</span> <span class="o">=</span> <span class="n">area</span> |
---|
464 | <span class="bp">self</span><span class="o">.</span><span class="n">time</span> <span class="o">=</span> <span class="n">time</span> |
---|
465 | <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="n">step</span> |
---|
466 | <span class="bp">self</span><span class="o">.</span><span class="n">expver</span> <span class="o">=</span> <span class="n">expver</span> |
---|
467 | <span class="bp">self</span><span class="o">.</span><span class="n">number</span> <span class="o">=</span> <span class="n">number</span> |
---|
468 | <span class="bp">self</span><span class="o">.</span><span class="n">accuracy</span> <span class="o">=</span> <span class="n">accuracy</span> |
---|
469 | <span class="bp">self</span><span class="o">.</span><span class="n">grid</span> <span class="o">=</span> <span class="n">grid</span> |
---|
470 | <span class="bp">self</span><span class="o">.</span><span class="n">gaussian</span> <span class="o">=</span> <span class="n">gaussian</span> |
---|
471 | <span class="bp">self</span><span class="o">.</span><span class="n">target</span> <span class="o">=</span> <span class="n">target</span> |
---|
472 | <span class="bp">self</span><span class="o">.</span><span class="n">param</span> <span class="o">=</span> <span class="n">param</span> |
---|
473 | |
---|
474 | <span class="k">return</span> |
---|
475 | |
---|
476 | |
---|
477 | <div class="viewcode-block" id="MarsRetrieval.display_info"><a class="viewcode-back" href="../api.html#MarsRetrieval.MarsRetrieval.display_info">[docs]</a> <span class="k">def</span> <span class="nf">display_info</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
---|
478 | <span class="sd">'''Prints all class attributes and their values to the</span> |
---|
479 | <span class="sd"> standard output.</span> |
---|
480 | |
---|
481 | <span class="sd"> Parameters</span> |
---|
482 | <span class="sd"> ----------</span> |
---|
483 | |
---|
484 | <span class="sd"> Return</span> |
---|
485 | <span class="sd"> ------</span> |
---|
486 | |
---|
487 | <span class="sd"> '''</span> |
---|
488 | <span class="c1"># Get all class attributes and their values as a dictionary</span> |
---|
489 | <span class="n">attrs</span> <span class="o">=</span> <span class="nb">vars</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> |
---|
490 | |
---|
491 | <span class="c1"># iterate through all attributes and print them</span> |
---|
492 | <span class="c1"># with their corresponding values</span> |
---|
493 | <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="n">attrs</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
---|
494 | <span class="k">if</span> <span class="n">item</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'server'</span><span class="p">,</span> <span class="s1">'public'</span><span class="p">]:</span> |
---|
495 | <span class="k">pass</span> |
---|
496 | <span class="k">else</span><span class="p">:</span> |
---|
497 | <span class="nb">print</span><span class="p">(</span><span class="n">item</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">+</span> <span class="s1">': '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">item</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span> |
---|
498 | |
---|
499 | <span class="k">return</span></div> |
---|
500 | |
---|
501 | |
---|
502 | <div class="viewcode-block" id="MarsRetrieval.print_info"><a class="viewcode-back" href="../api.html#MarsRetrieval.MarsRetrieval.print_info">[docs]</a> <span class="k">def</span> <span class="nf">print_info</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">inputdir</span><span class="p">,</span> <span class="n">request_number</span><span class="p">):</span> |
---|
503 | <span class="sd">'''Prints all mars requests to an extra file for debugging and</span> |
---|
504 | <span class="sd"> information.</span> |
---|
505 | |
---|
506 | <span class="sd"> Parameters</span> |
---|
507 | <span class="sd"> ----------</span> |
---|
508 | <span class="sd"> inputdir : :obj:`string`</span> |
---|
509 | <span class="sd"> The path where all data from the retrievals are stored.</span> |
---|
510 | |
---|
511 | <span class="sd"> request_number : :obj:`integer`</span> |
---|
512 | <span class="sd"> Number of mars requests for flux and non-flux data.</span> |
---|
513 | |
---|
514 | <span class="sd"> Return</span> |
---|
515 | <span class="sd"> ------</span> |
---|
516 | |
---|
517 | <span class="sd"> '''</span> |
---|
518 | <span class="c1"># Get all class attributes and their values as a dictionary</span> |
---|
519 | <span class="n">attrs</span> <span class="o">=</span> <span class="nb">vars</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> |
---|
520 | |
---|
521 | <span class="c1"># open a file to store all requests to</span> |
---|
522 | <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">inputdir</span><span class="p">,</span> |
---|
523 | <span class="n">_config</span><span class="o">.</span><span class="n">FILE_MARS_REQUESTS</span><span class="p">),</span> <span class="s1">'a'</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span> |
---|
524 | <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'mars_request #'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">request_number</span><span class="p">)</span> <span class="o">+</span> <span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
---|
525 | <span class="c1"># iterate through all attributes and print them</span> |
---|
526 | <span class="c1"># with their corresponding values</span> |
---|
527 | <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="n">attrs</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
---|
528 | <span class="k">if</span> <span class="n">item</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'server'</span><span class="p">,</span> <span class="s1">'public'</span><span class="p">]:</span> |
---|
529 | <span class="k">pass</span> |
---|
530 | <span class="k">else</span><span class="p">:</span> |
---|
531 | <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">item</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">+</span> <span class="s1">': '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">item</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span> <span class="o">+</span> <span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
---|
532 | <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</span><span class="se">\n\n</span><span class="s1">'</span><span class="p">)</span> |
---|
533 | |
---|
534 | <span class="k">return</span></div> |
---|
535 | |
---|
536 | |
---|
537 | <div class="viewcode-block" id="MarsRetrieval.print_infodata_csv"><a class="viewcode-back" href="../api.html#MarsRetrieval.MarsRetrieval.print_infodata_csv">[docs]</a> <span class="k">def</span> <span class="nf">print_infodata_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">inputdir</span><span class="p">,</span> <span class="n">request_number</span><span class="p">):</span> |
---|
538 | <span class="sd">'''Write all request parameter in alpabetical order into a "csv" file.</span> |
---|
539 | |
---|
540 | <span class="sd"> Parameters</span> |
---|
541 | <span class="sd"> ----------</span> |
---|
542 | <span class="sd"> inputdir : :obj:`string`</span> |
---|
543 | <span class="sd"> The path where all data from the retrievals are stored.</span> |
---|
544 | |
---|
545 | <span class="sd"> request_number : :obj:`integer`</span> |
---|
546 | <span class="sd"> Number of mars requests for flux and non-flux data.</span> |
---|
547 | |
---|
548 | <span class="sd"> Return</span> |
---|
549 | <span class="sd"> ------</span> |
---|
550 | |
---|
551 | <span class="sd"> '''</span> |
---|
552 | |
---|
553 | <span class="c1"># Get all class attributes and their values as a dictionary</span> |
---|
554 | <span class="n">attrs</span> <span class="o">=</span> <span class="nb">vars</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> |
---|
555 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="s1">'server'</span><span class="p">]</span> |
---|
556 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="s1">'public'</span><span class="p">]</span> |
---|
557 | |
---|
558 | <span class="c1"># open a file to store all requests to</span> |
---|
559 | <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">inputdir</span><span class="p">,</span> |
---|
560 | <span class="n">_config</span><span class="o">.</span><span class="n">FILE_MARS_REQUESTS</span><span class="p">),</span> <span class="s1">'a'</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span> |
---|
561 | <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">request_number</span><span class="p">)</span> <span class="o">+</span> <span class="s1">', '</span><span class="p">)</span> |
---|
562 | <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">', '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">attrs</span><span class="p">[</span><span class="n">key</span><span class="p">])</span> |
---|
563 | <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">attrs</span><span class="o">.</span><span class="n">iterkeys</span><span class="p">())))</span> |
---|
564 | <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
---|
565 | |
---|
566 | <span class="k">return</span></div> |
---|
567 | |
---|
568 | <div class="viewcode-block" id="MarsRetrieval.data_retrieve"><a class="viewcode-back" href="../api.html#MarsRetrieval.MarsRetrieval.data_retrieve">[docs]</a> <span class="k">def</span> <span class="nf">data_retrieve</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
---|
569 | <span class="sd">'''Submits a MARS retrieval. Depending on the existence of</span> |
---|
570 | <span class="sd"> ECMWF Web-API it is submitted via Python or a</span> |
---|
571 | <span class="sd"> subprocess in the Shell. The parameter for the mars retrieval</span> |
---|
572 | <span class="sd"> are taken from the defined class attributes.</span> |
---|
573 | |
---|
574 | <span class="sd"> Parameters</span> |
---|
575 | <span class="sd"> ----------</span> |
---|
576 | |
---|
577 | <span class="sd"> Return</span> |
---|
578 | <span class="sd"> ------</span> |
---|
579 | |
---|
580 | <span class="sd"> '''</span> |
---|
581 | <span class="c1"># Get all class attributes and their values as a dictionary</span> |
---|
582 | <span class="n">attrs</span> <span class="o">=</span> <span class="nb">vars</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> |
---|
583 | |
---|
584 | <span class="c1"># eliminate unnecessary attributes from the dictionary attrs</span> |
---|
585 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="s1">'server'</span><span class="p">]</span> |
---|
586 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="s1">'public'</span><span class="p">]</span> |
---|
587 | |
---|
588 | <span class="c1"># exchange parameter name for marsclass</span> |
---|
589 | <span class="n">mclass</span> <span class="o">=</span> <span class="n">attrs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'marsclass'</span><span class="p">)</span> |
---|
590 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="s1">'marsclass'</span><span class="p">]</span> |
---|
591 | <span class="n">attrs</span><span class="p">[</span><span class="s1">'class'</span><span class="p">]</span> <span class="o">=</span> <span class="n">mclass</span> |
---|
592 | |
---|
593 | <span class="c1"># prepare target variable as needed for the Web API mode</span> |
---|
594 | <span class="c1"># within the dictionary for full access</span> |
---|
595 | <span class="c1"># as a single variable for public access</span> |
---|
596 | <span class="n">target</span> <span class="o">=</span> <span class="n">attrs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'target'</span><span class="p">)</span> |
---|
597 | <span class="k">if</span> <span class="ow">not</span> <span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">public</span><span class="p">):</span> |
---|
598 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="s1">'target'</span><span class="p">]</span> |
---|
599 | <span class="nb">print</span><span class="p">(</span><span class="s1">'target: '</span> <span class="o">+</span> <span class="n">target</span><span class="p">)</span> |
---|
600 | |
---|
601 | <span class="c1"># find all keys without a value and convert all other values to strings</span> |
---|
602 | <span class="n">empty_keys</span> <span class="o">=</span> <span class="p">[]</span> |
---|
603 | <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">attrs</span><span class="o">.</span><span class="n">iteritems</span><span class="p">():</span> |
---|
604 | <span class="k">if</span> <span class="n">value</span> <span class="o">==</span> <span class="s1">''</span><span class="p">:</span> |
---|
605 | <span class="n">empty_keys</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> |
---|
606 | <span class="k">else</span><span class="p">:</span> |
---|
607 | <span class="n">attrs</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> |
---|
608 | |
---|
609 | <span class="c1"># delete all empty parameter from the dictionary</span> |
---|
610 | <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">empty_keys</span><span class="p">:</span> |
---|
611 | <span class="k">del</span> <span class="n">attrs</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> |
---|
612 | |
---|
613 | <span class="c1"># MARS request via Python script</span> |
---|
614 | <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">server</span><span class="p">:</span> |
---|
615 | <span class="k">try</span><span class="p">:</span> |
---|
616 | <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">public</span><span class="p">:</span> |
---|
617 | <span class="nb">print</span><span class="p">(</span><span class="s1">'RETRIEVE PUBLIC DATA!'</span><span class="p">)</span> |
---|
618 | <span class="bp">self</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">retrieve</span><span class="p">(</span><span class="n">attrs</span><span class="p">)</span> |
---|
619 | <span class="k">else</span><span class="p">:</span> |
---|
620 | <span class="nb">print</span><span class="p">(</span><span class="s1">'EXECUTE NON-PUBLIC RETRIEVAL!'</span><span class="p">)</span> |
---|
621 | <span class="bp">self</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">attrs</span><span class="p">,</span> <span class="n">target</span><span class="p">)</span> |
---|
622 | <span class="k">except</span><span class="p">:</span> |
---|
623 | <span class="n">e</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">exc_info</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span> |
---|
624 | <span class="nb">print</span><span class="p">(</span><span class="s2">"ERROR: "</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> |
---|
625 | <span class="nb">print</span><span class="p">(</span><span class="s1">'MARS Request failed!'</span><span class="p">)</span> |
---|
626 | <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">public</span> <span class="ow">and</span> <span class="n">os</span><span class="o">.</span><span class="n">stat</span><span class="p">(</span><span class="n">target</span><span class="p">)</span><span class="o">.</span><span class="n">st_size</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> |
---|
627 | <span class="nb">print</span><span class="p">(</span><span class="s1">'MARS Request returned no data - '</span> |
---|
628 | <span class="s1">'please check request'</span><span class="p">)</span> |
---|
629 | <span class="k">raise</span> <span class="ne">IOError</span> |
---|
630 | <span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">public</span> <span class="ow">and</span> <span class="n">os</span><span class="o">.</span><span class="n">stat</span><span class="p">(</span><span class="n">target</span><span class="p">)</span><span class="o">.</span><span class="n">st_size</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> |
---|
631 | <span class="nb">print</span><span class="p">(</span><span class="s1">'Public MARS Request returned no data - '</span> |
---|
632 | <span class="s1">'please check request'</span><span class="p">)</span> |
---|
633 | <span class="k">raise</span> <span class="ne">IOError</span> |
---|
634 | <span class="k">else</span><span class="p">:</span> |
---|
635 | <span class="k">raise</span> <span class="ne">IOError</span> |
---|
636 | <span class="c1"># MARS request via extra process in shell</span> |
---|
637 | <span class="k">else</span><span class="p">:</span> |
---|
638 | <span class="n">request_str</span> <span class="o">=</span> <span class="s1">'ret'</span> |
---|
639 | <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">attrs</span><span class="o">.</span><span class="n">iteritems</span><span class="p">():</span> |
---|
640 | <span class="n">request_str</span> <span class="o">=</span> <span class="n">request_str</span> <span class="o">+</span> <span class="s1">','</span> <span class="o">+</span> <span class="n">key</span> <span class="o">+</span> <span class="s1">'='</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> |
---|
641 | <span class="n">request_str</span> <span class="o">+=</span> <span class="s1">',target="'</span> <span class="o">+</span> <span class="n">target</span> <span class="o">+</span> <span class="s1">'"'</span> |
---|
642 | <span class="n">p</span> <span class="o">=</span> <span class="n">subprocess</span><span class="o">.</span><span class="n">Popen</span><span class="p">([</span><span class="s1">'mars'</span><span class="p">],</span> |
---|
643 | <span class="n">stdin</span><span class="o">=</span><span class="n">subprocess</span><span class="o">.</span><span class="n">PIPE</span><span class="p">,</span> |
---|
644 | <span class="n">stdout</span><span class="o">=</span><span class="n">subprocess</span><span class="o">.</span><span class="n">PIPE</span><span class="p">,</span> |
---|
645 | <span class="n">stderr</span><span class="o">=</span><span class="n">subprocess</span><span class="o">.</span><span class="n">PIPE</span><span class="p">,</span> |
---|
646 | <span class="n">bufsize</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span> |
---|
647 | <span class="n">pout</span> <span class="o">=</span> <span class="n">p</span><span class="o">.</span><span class="n">communicate</span><span class="p">(</span><span class="nb">input</span><span class="o">=</span><span class="n">request_str</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span> |
---|
648 | <span class="nb">print</span><span class="p">(</span><span class="n">pout</span><span class="o">.</span><span class="n">decode</span><span class="p">())</span> |
---|
649 | |
---|
650 | <span class="k">if</span> <span class="s1">'Some errors reported'</span> <span class="ow">in</span> <span class="n">pout</span><span class="o">.</span><span class="n">decode</span><span class="p">():</span> |
---|
651 | <span class="nb">print</span><span class="p">(</span><span class="s1">'MARS Request failed - please check request'</span><span class="p">)</span> |
---|
652 | <span class="k">raise</span> <span class="ne">IOError</span> |
---|
653 | <span class="k">elif</span> <span class="n">os</span><span class="o">.</span><span class="n">stat</span><span class="p">(</span><span class="n">target</span><span class="p">)</span><span class="o">.</span><span class="n">st_size</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> |
---|
654 | <span class="nb">print</span><span class="p">(</span><span class="s1">'MARS Request returned no data - please check request'</span><span class="p">)</span> |
---|
655 | <span class="k">raise</span> <span class="ne">IOError</span> |
---|
656 | |
---|
657 | <span class="k">return</span></div></div> |
---|
658 | </pre></div> |
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