Mercurial > repos > xuebing > sharplab_seq_motif
diff mytools/getGenomicScore.py @ 0:39217fa39ff2
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author | xuebing |
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date | Tue, 13 Mar 2012 23:34:52 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mytools/getGenomicScore.py Tue Mar 13 23:34:52 2012 -0400 @@ -0,0 +1,79 @@ + +import random,string,os,sys + + +def getScore(intvfile,outfile,summary_type,bwfilepath,nbin,strand,outplot,span): + f = open(intvfile) + tmpsh = "".join(random.sample(string.letters+string.digits, 8)) + tmpout = "".join(random.sample(string.letters+string.digits, 8)) + tmp = open(tmpsh,'w') + if os.path.isdir(bwfilepath): + for line in f: + flds = line.strip().split('\t') + cmd = 'bigWigSummary -type='+summary_type+' '+bwfilepath+'/'+flds[0]+'.bw '+flds[0]+' '+flds[1]+' '+flds[2]+' '+nbin+' >> '+tmpout+' 2>>'+tmpout+'\n' + tmp.write(cmd) + else: + for line in f: + flds = line.strip().split('\t') + cmd = 'bigWigSummary -type='+summary_type+' '+bwfilepath+' '+flds[0]+' '+flds[1]+' '+flds[2]+' '+nbin+' >> '+tmpout+' 2>>'+tmpout+'\n' + tmp.write(cmd) + f.close() + # remove blank lines + tmp.write("sed '/^$/d' "+tmpout+'>'+tmpout+".1\n") + tmp.write("sed '/^Can/d' "+tmpout+".1 >"+tmpout+".2\n") + # set n/a to 0 + tmp.write("sed 's/n\/a/0/g' "+tmpout+".2 >"+tmpout+".3\n") + # replace text with 0 + zeros = ''.join(['0\t']*int(nbin)) + tmp.write("sed 's/^[a-zA-Z]/"+zeros+"/' "+tmpout+".3 >"+tmpout+".4\n") + # cut the first nbin columns + tmp.write("cut -f 1-"+nbin+" "+tmpout+".4 > "+tmpout+".5\n") + tmp.write("paste "+intvfile+" "+tmpout+".5 >"+outfile+"\n") + tmp.close() + os.system('chmod +x '+tmpsh) + os.system('./'+tmpsh) + #os.system('rm '+tmpout+'*') + #os.system('rm '+tmpsh) + + # strandness: need to reverse bins for - strand + if nbin > 1 and strand > 0: + strand = strand - 1 # python is 0 based + os.system('mv '+outfile+' '+tmpout) + f = open(tmpout) + out = open(outfile,'w') + for line in f: + flds=line.strip().split('\t') + if flds[strand] == '+': + out.write(line) + else: + scores = flds[-int(nbin):] + scores.reverse() + flds = flds[:-int(nbin)]+scores + out.write('\t'.join(flds)+'\n') + os.system('rm '+tmpout) + f.close() + out.close() + # plot + if int(nbin) > 1: + rscript = open(tmpsh,"w") + rscript.write("options(warn=-1)\n") + rscript.write("x <- read.table('"+outfile+"',sep='\t')\n") + rscript.write("x <- x[,(ncol(x)+1-"+nbin+"):ncol(x)]\n") + rscript.write("pdf('"+outplot+"')\n") + rscript.write("avg <- apply(x,2,mean)\n") + rscript.write("err <- apply(x,2,sd)/sqrt(nrow(x))\n") + rscript.write("ylim=c(min(avg-err),max(avg+err))\n") + rscript.write("xticks <- seq(ncol(x))-(1+ncol(x))/2\n") + if span >= 0.1: + rscript.write("avg = loess(avg~xticks,span="+str(span)+")$fitted\n") + rscript.write("err = loess(err~xticks,span="+str(span)+")$fitted\n") + rscript.write("par(cex=1.5)\n") + rscript.write("plot(xticks,avg,ylab='average conservation score',xlab='relative position (bin)',type='l',lwd=0,ylim=ylim)\n") + rscript.write("polygon(c(xticks,rev(xticks)),c(avg+err,rev(avg-err)),col='slateblue1',border=NA)\n") + rscript.write("lines(xticks,avg,type='l',lwd=1)\n") + rscript.write("dev.off()\n") + rscript.close() + os.system("R --vanilla < "+tmpsh) + os.system("rm "+tmpsh) + +getScore(sys.argv[1],sys.argv[2],sys.argv[3],sys.argv[4],sys.argv[5],int(sys.argv[6]),sys.argv[7],float(sys.argv[8]))