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1 #!/usr/bin/env python
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2
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3 """
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4 Converts SOLiD data to Sanger FASTQ format.
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5
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6 usage: %prog [options]
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7 -i, --input1=i: Forward reads file
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8 -q, --input2=q: Forward qual file
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9 -I, --input3=I: Reverse reads file
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10 -Q, --input4=Q: Reverse qual file
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11 -o, --output1=o: Forward output
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12 -r, --output2=r: Reverse output
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13
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14 usage: %prog forward_reads_file forwards_qual_file reverse_reads_file(or_None) reverse_qual_file(or_None) output_file ouptut_id output_dir
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15 """
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16
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17 import os, sys, tempfile
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18 from galaxy import eggs
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19 import pkg_resources; pkg_resources.require( "bx-python" )
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20 from bx.cookbook import doc_optparse
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21
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22 def stop_err( msg ):
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23 sys.stderr.write( "%s\n" % msg )
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24 sys.exit()
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25
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26 def replaceNeg1(fin, fout):
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27 line = fin.readline()
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28 while line.strip():
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29 fout.write(line.replace('-1', '1'))
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30 line = fin.readline()
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31 fout.seek(0)
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32 return fout
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33
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34 def __main__():
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35 #Parse Command Line
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36 options, args = doc_optparse.parse( __doc__ )
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37 # common temp file setup
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38 tmpf = tempfile.NamedTemporaryFile() #forward reads
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39 tmpqf = tempfile.NamedTemporaryFile()
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40 tmpqf = replaceNeg1(file(options.input2,'r'), tmpqf)
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41 # if paired-end data (have reverse input files)
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42 if options.input3 != "None" and options.input4 != "None":
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43 tmpr = tempfile.NamedTemporaryFile() #reverse reads
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44 # replace the -1 in the qualities file
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45 tmpqr = tempfile.NamedTemporaryFile()
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46 tmpqr = replaceNeg1(file(options.input4,'r'), tmpqr)
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47 cmd1 = "%s/bwa_solid2fastq_modified.pl 'yes' %s %s %s %s %s %s 2>&1" %(os.path.split(sys.argv[0])[0], tmpf.name, tmpr.name, options.input1, tmpqf.name, options.input3, tmpqr.name)
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48 try:
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49 os.system(cmd1)
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50 os.system('gunzip -c %s >> %s' %(tmpf.name,options.output1))
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51 os.system('gunzip -c %s >> %s' %(tmpr.name,options.output2))
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52 except Exception, eq:
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53 stop_err("Error converting data to fastq format.\n" + str(eq))
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54 tmpr.close()
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55 tmpqr.close()
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56 # if single-end data
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57 else:
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58 cmd1 = "%s/bwa_solid2fastq_modified.pl 'no' %s %s %s %s %s %s 2>&1" % (os.path.split(sys.argv[0])[0], tmpf.name, None, options.input1, tmpqf.name, None, None)
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59 try:
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60 os.system(cmd1)
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61 os.system('gunzip -c %s >> %s' % (tmpf.name, options.output1))
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62 except Exception, eq:
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63 stop_err("Error converting data to fastq format.\n" + str(eq))
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64 tmpqf.close()
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65 tmpf.close()
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66 sys.stdout.write('converted SOLiD data')
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67
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68 if __name__=="__main__": __main__()
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