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1 #!/usr/bin/python
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2 # python parser module for pre-mir and mature miRNAs, guided by mirbase.org GFF3
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3 # version 0.0.9 (1-6-2014)
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4 # Usage MirParser.py <1:index source> <2:extraction directive> <3:output pre-mir> <4: output mature miRs> <5:mirbase GFF3>
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5 # <6:pathToLatticeDataframe or "dummy_dataframe_path"> <7:Rcode or "dummy_plotCode"> <8:latticePDF or "dummy_latticePDF">
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6 # <9:10:11 filePath:FileExt:FileLabel> <.. ad lib>
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7
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8 import sys, subprocess
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9 from smRtools import *
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10
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11 IndexSource = sys.argv[1]
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12 ExtractionDirective = sys.argv[2]
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13 if ExtractionDirective == "--do_not_extract_index":
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14 genomeRefFormat = "fastaSource"
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15 elif ExtractionDirective == "--extract_index":
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16 genomeRefFormat = "bowtieIndex"
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17 OutputPre_mirs = sys.argv[3]
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18 OutputMature_Mirs = sys.argv[4]
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19 GFF3_file = sys.argv[5]
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20 lattice = sys.argv[6]
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21 Rcode = sys.argv[7]
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22 latticePDF = sys.argv[8]
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23 Triplets = [sys.argv[9:][i:i+3] for i in xrange(0, len(sys.argv[9:]), 3)]
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24 MasterListOfGenomes = {}
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25
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26 for [filePath, FileExt, FileLabel] in Triplets:
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27 print FileLabel
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28 MasterListOfGenomes[FileLabel] = HandleSmRNAwindows (alignmentFile=filePath, alignmentFileFormat=FileExt, genomeRefFile=IndexSource, genomeRefFormat=genomeRefFormat, biosample=FileLabel)
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29
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30 header = ["gene"]
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31 for [filePath, FileExt, FileLabel] in Triplets:
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32 header.append(FileLabel)
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33
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34 hit_table = ["\t".join(header)] # table header: gene, sample1, sample2, sample3, etc. separated by tabulation
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35
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36 ## read GFF3 to subinstantiate
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37 gff3 = open (GFF3_file, "r")
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38 lattice_dataframe = []
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39 for line in gff3:
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40 if line[0] == "#": continue
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41 gff_fields = line[:-1].split("\t")
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42 chrom = gff_fields[0]
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43 gff_name = gff_fields[-1].split("Name=")[-1].split(";")[0] # to isolate the GFF Name
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44 item_upstream_coordinate = int(gff_fields[3])
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45 item_downstream_coordinate = int(gff_fields[4])
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46 if gff_fields[6] == "+":
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47 item_polarity = "forward"
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48 else:
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49 item_polarity = "reverse"
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50 item_line = [gff_name]
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51 for sample in header[1:]:
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52 count = MasterListOfGenomes[sample].instanceDict[chrom].readcount(upstream_coord=item_upstream_coordinate, downstream_coord=item_downstream_coordinate, polarity=item_polarity)
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53 item_line.append(str(count))
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54 ## subtreatement for lattice
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55 if lattice != "dummy_dataframe_path":
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56 if ("5p" not in gff_name) and ("3p" not in gff_name):
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57 lattice_dataframe.append(MasterListOfGenomes[sample].instanceDict[chrom].readcoverage(upstream_coord=item_upstream_coordinate, downstream_coord=item_downstream_coordinate, windowName=gff_name+"_"+sample) )
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58 ## end of subtreatement for lattice
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59 hit_table.append("\t".join(item_line) )
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60 gff3.close()
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61
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62 Fpremirs = open (OutputPre_mirs, "w")
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63 print >> Fpremirs, hit_table[0]
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64 finalPreList = [ i for i in sorted(hit_table[1:]) if ("5p" not in i) and ("3p" not in i)]
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65 print >> Fpremirs, "\n".join(finalPreList )
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66 Fpremirs.close()
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67
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68 Fmaturemires = open (OutputMature_Mirs, "w")
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69 print >> Fmaturemires, hit_table[0]
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70 finalMatureList = [ i for i in sorted(hit_table[1:]) if ("5p" in i) or ("3p" in i)]
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71 print >> Fmaturemires, "\n".join(finalMatureList )
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72 Fmaturemires.close()
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73
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74 if lattice != "dummy_dataframe_path":
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75 Flattice = open(lattice, "w")
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76 print >> Flattice, "%s\t%s\t%s\t%s\t%s\t%s\t%s" % ("sample", "mir", "offset", "offsetNorm", "counts","countsNorm", "polarity")
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77 print >> Flattice, "\n".join(lattice_dataframe)
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78 Flattice.close()
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79 R_command="Rscript "+ Rcode
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80 process = subprocess.Popen(R_command.split())
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81 process.wait()
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