Mercurial > repos > melissacline > ucsc_xena_platform

annotate getXenaData.py @ 44:da86478b1d64

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clean up strange tools that just a url linkout
author jingchunzhu <jingchunzhu@gmail.com>
date Mon, 27 Jul 2015 15:30:10 -0700
parents 78d6e6772e30
children 3167c1a26101
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02b0824c7d60 Download data from any hub in the federated xena platform
jingchunzhu <jingchunzhu@gmail.com>
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1 # getXenaData.py
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2 import os, sys, string, json, csv
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3 import xena_query as xena
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4
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5 if len(sys.argv[:])!=4:
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6 print "python getXenaData.py hub datasetId outputfile\n"
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7 sys.exit(1)
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8
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9 url = sys.argv[1]
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10 dataset = sys.argv[2]
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11 output = sys.argv[3]
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12
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13 fout = open(output,'w')
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14
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15 if string.find(url,"galaxyxena") !=-1 and string.find(url,"ucsc.edu")!=-1:
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16 url = "https://galaxyxena.soe.ucsc.edu:443/xena"
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17
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18 #testing if the url is reachable
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19 try:
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20 r =json.loads(xena.post(url, "(+ 1 2)"))
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21 if r!=3.0:
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22 print "The hub seems can not be reached, either it is not running, the url has a typo, or it is not accessible to you."
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23 print "You entered hub: %s" % (url)
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24 fout.write("The hub seems can not be reached, either it is not running, the url has a typo, or it is not accessible to you.\n")
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25 fout.write("You entered hub: %s\n" % (url))
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26 fout.close()
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27 sys.exit(1)
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28 except:
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29 print "The hub seems can not be reached, either it is not running, the url has a typo, or it is not accessible to you."
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30 print "You entered hub: %s" % (url)
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31 fout.write("The hub seems can not be reached, either it is not running, the url has a typo, or it is not accessible to you.\n")
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32 fout.write("You entered hub: %s\n" % (url))
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33 fout.close()
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34 sys.exit(1)
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35
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36 samples = xena.dataset_samples (url, dataset)
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37 if not samples:
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38 print "Dataset does not exist"
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39 print "You entered dataset id: %s" % (dataset)
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40 fout.write("Dataset does not exists\n")
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41 fout.write("You entered dataset id: %s\n" % (dataset))
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42 fout.close()
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43 sys.exit(1)
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44
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45 type = xena.dataset_type(url, dataset)
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46 if type[0] not in ["genomicMatrix", "clinicalMatrix"]:
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47 print "The type of data is not supported"
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48 print "datatype=%s" % (type[0])
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49 fout.write("The type of data is not supported\n")
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50 fout.write("datatype=%s\n" % (type[0]))
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51 fout.close()
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52 sys.exit(1)
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53
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54 writer = csv.writer(fout, delimiter='\t')
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55 writer.writerow(["sample"]+samples)
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56
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57 probes = xena.dataset_field(url, dataset)
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58 start=0
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59 size =100
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60 N= len(probes)
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61 for i in range (start, N,size):
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62 results = xena.dataset_probe_values (url, dataset, samples, probes[i:i+size])
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63 print ".",
41
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64 for j in range (0, size):
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65 if i+j == N:
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66 break
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67 writer.writerow([probes[i+j]]+results[j])
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68
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69 fout.close()
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70 print "done"
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71 sys.exit(0)