Mercurial > repos > artbio > small_rna_maps

annotate small_rna_maps.py @ 0:6d48150495e3 draft

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planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
author artbio
date Mon, 24 Jul 2017 06:28:45 -0400
parents
children 40972a8dfab9
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6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
1 import argparse
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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2 from collections import defaultdict
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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3
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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4 import numpy
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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5
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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6 import pysam
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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7
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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8
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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9 def Parser():
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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10 the_parser = argparse.ArgumentParser()
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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11 the_parser.add_argument('--input', dest='input', required=True,
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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12 nargs='+', help='input BAM files')
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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13 the_parser.add_argument('--sample_name', dest='sample_name',
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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14 required=True, nargs='+', help='sample name')
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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15 the_parser.add_argument('--output', action='store',
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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16 type=str, help='output tabular file')
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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17 the_parser.add_argument('-S', '--sizes', action='store',
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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18 help='use to output read sizes dataframe')
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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19 args = the_parser.parse_args()
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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20 return args
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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21
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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23 class Map:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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24
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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25 def __init__(self, bam_file, sample, computeSize=False):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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26 self.sample_name = sample
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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27 self.bam_object = pysam.AlignmentFile(bam_file, 'rb')
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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28 self.chromosomes = dict(zip(self.bam_object.references,
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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29 self.bam_object.lengths))
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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30 self.map_dict = self.create_map(self.bam_object)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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31 self.max = self.compute_max(self.map_dict)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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32 self.mean = self.compute_mean(self.map_dict)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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33 self.median = self.compute_median(self.map_dict)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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34 self.coverage = self.compute_coverage(self.map_dict)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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35 if computeSize:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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36 self.size = self.compute_size(self.map_dict)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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37
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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38 def create_map(self, bam_object):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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39 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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40 Returns a map_dictionary {(chromosome,read_position,polarity):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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41 [read_length, ...]}
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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42 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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43 map_dictionary = defaultdict(list)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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44 # get empty value for start and end of each chromosome
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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45 for chrom in self.chromosomes:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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46 map_dictionary[(chrom, 1, 'F')] = []
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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47 map_dictionary[(chrom, self.chromosomes[chrom], 'F')] = []
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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48 for chrom in self.chromosomes:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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49 for read in bam_object.fetch(chrom):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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50 positions = read.positions # a list of covered positions
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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51 for pos in positions:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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52 if not map_dictionary[(chrom, pos+1, 'F')]:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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53 map_dictionary[(chrom, pos+1, 'F')] = []
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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54 if not map_dictionary[(chrom, pos+1, 'R')]:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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55 map_dictionary[(chrom, pos+1, 'R')] = []
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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56 if read.is_reverse:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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57 map_dictionary[(chrom, positions[-1]+1,
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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58 'R')].append(read.query_alignment_length)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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59 else:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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60 map_dictionary[(chrom, positions[0]+1,
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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61 'F')].append(read.query_alignment_length)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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62 return map_dictionary
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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63
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64 def compute_max(self, map_dictionary):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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65 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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66 takes a map_dictionary as input and returns
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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67 a max_dictionary {(chromosome,read_position,polarity):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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68 max_of_number_of_read_at_any_position}
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artbio
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69 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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70 merge_keylist = [(i[0], 0) for i in map_dictionary.keys()]
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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71 max_dictionary = dict(merge_keylist)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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72 for key in map_dictionary:
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73 if len(map_dictionary[key]) > max_dictionary[key[0]]:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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74 max_dictionary[key[0]] = len(map_dictionary[key])
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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75 return max_dictionary
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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76
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77 def compute_mean(self, map_dictionary):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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78 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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79 takes a map_dictionary as input and returns
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
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80 a mean_dictionary {(chromosome,read_position,polarity):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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81 mean_value_of_reads}
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artbio
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82 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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83 mean_dictionary = dict()
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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84 for key in map_dictionary:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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85 if len(map_dictionary[key]) == 0:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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86 mean_dictionary[key] = 0
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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87 else:
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artbio
parents:
diff changeset
88 mean_dictionary[key] = round(numpy.mean(map_dictionary[key]),
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
89 1)
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
90 return mean_dictionary
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
91
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artbio
parents:
diff changeset
92 def compute_median(self, map_dictionary):
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artbio
parents:
diff changeset
93 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
94 takes a map_dictionary as input and returns
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
95 a mean_dictionary {(chromosome,read_position,polarity):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
96 mean_value_of_reads}
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artbio
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diff changeset
97 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
98 median_dictionary = dict()
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artbio
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diff changeset
99 for key in map_dictionary:
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artbio
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diff changeset
100 if len(map_dictionary[key]) == 0:
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artbio
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diff changeset
101 median_dictionary[key] = 0
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artbio
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102 else:
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artbio
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diff changeset
103 median_dictionary[key] = numpy.median(map_dictionary[key])
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artbio
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104 return median_dictionary
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artbio
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diff changeset
105
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
106 def compute_coverage(self, map_dictionary, quality=10):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
107 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
108 takes a map_dictionary as input and returns
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
109 a coverage_dictionary {(chromosome,read_position,polarity):
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
110 coverage}
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
111 '''
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artbio
parents:
diff changeset
112 coverage_dictionary = dict()
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artbio
parents:
diff changeset
113 for chrom in self.chromosomes:
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artbio
parents:
diff changeset
114 coverage_dictionary[(chrom, 1, 'F')] = 0
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artbio
parents:
diff changeset
115 coverage_dictionary[(chrom, self.chromosomes[chrom], 'F')] = 0
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
116
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artbio
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117 for key in map_dictionary:
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artbio
parents:
diff changeset
118 coverage = self.bam_object.count_coverage(
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artbio
parents:
diff changeset
119 reference=key[0],
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artbio
parents:
diff changeset
120 start=key[1]-1,
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artbio
parents:
diff changeset
121 end=key[1],
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artbio
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diff changeset
122 quality_threshold=quality)
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artbio
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diff changeset
123 """ Add the 4 coverage values """
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artbio
parents:
diff changeset
124 coverage = [sum(x) for x in zip(*coverage)]
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artbio
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diff changeset
125 coverage_dictionary[key] = coverage[0]
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artbio
parents:
diff changeset
126 # coverage_dictionary[(key[0], key[1], 'R')] = coverage
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
127 return coverage_dictionary
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artbio
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diff changeset
128
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artbio
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129 def compute_size(self, map_dictionary):
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artbio
parents:
diff changeset
130 '''
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artbio
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diff changeset
131 Takes a map_dictionary and returns a dictionary of sizes:
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artbio
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diff changeset
132 {chrom: {polarity: {size: nbre of reads}}}
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artbio
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diff changeset
133 '''
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artbio
parents:
diff changeset
134 size_dictionary = defaultdict(lambda: defaultdict(
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
135 lambda: defaultdict( int )))
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
136 # to track empty chromosomes
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artbio
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diff changeset
137 for chrom in self.chromosomes:
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artbio
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diff changeset
138 if self.bam_object.count(chrom) == 0:
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artbio
parents:
diff changeset
139 size_dictionary[chrom]['F'][10] = 0
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artbio
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diff changeset
140 for key in map_dictionary:
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
141 for size in map_dictionary[key]:
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artbio
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diff changeset
142 size_dictionary[key[0]][key[2]][size] += 1
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
143 return size_dictionary
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artbio
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diff changeset
144
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artbio
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diff changeset
145 def write_size_table(self, out):
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artbio
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diff changeset
146 '''
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artbio
parents:
diff changeset
147 Dataset, Chromosome, Polarity, Size, Nbr_reads
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artbio
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diff changeset
148 out is an *open* file handler
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artbio
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diff changeset
149 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
150 for chrom in sorted(self.size):
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artbio
parents:
diff changeset
151 sizes = self.size[chrom]['F'].keys()
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
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diff changeset
152 sizes.extend(self.size[chrom]['R'].keys())
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artbio
parents:
diff changeset
153 for polarity in sorted(self.size[chrom]):
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artbio
parents:
diff changeset
154 for size in range(min(sizes), max(sizes)+1):
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artbio
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diff changeset
155 try:
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artbio
parents:
diff changeset
156 line = [self.sample_name, chrom, polarity, size,
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artbio
parents:
diff changeset
157 self.size[chrom][polarity][size]]
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artbio
parents:
diff changeset
158 except KeyError:
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artbio
parents:
diff changeset
159 line = [self.sample_name, chrom, polarity, size, 0]
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artbio
parents:
diff changeset
160 line = [str(i) for i in line]
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artbio
parents:
diff changeset
161 out.write('\t'.join(line) + '\n')
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artbio
parents:
diff changeset
162
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artbio
parents:
diff changeset
163 def write_table(self, out):
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artbio
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diff changeset
164 '''
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artbio
parents:
diff changeset
165 Dataset, Chromosome, Chrom_length, Coordinate, Nbr_reads
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artbio
parents:
diff changeset
166 Polarity, Max, Mean, Median, Coverage
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artbio
parents:
diff changeset
167 out is an *open* file handler
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artbio
parents:
diff changeset
168 '''
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
169 for key in sorted(self.map_dict):
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artbio
parents:
diff changeset
170 line = [self.sample_name, key[0], self.chromosomes[key[0]],
6d48150495e3 planemo upload for repository https://github.com/ARTbio/tools-artbio/tree/master/tools/small_rna_maps commit d4d8106d66b65679a1a685ab94bfcf99cdb7b959
artbio
parents:
diff changeset
171 key[1], len(self.map_dict[key]), key[2], self.max[key[0]],
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artbio
parents:
diff changeset
172 self.mean[key], self.median[key], self.coverage[key]]
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artbio
parents:
diff changeset
173 line = [str(i) for i in line]
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artbio
parents:
diff changeset
174 out.write('\t'.join(line) + '\n')
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artbio
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175
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176
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artbio
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177 def main(inputs, samples, file_out, size_file_out=''):
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178 F = open(file_out, 'w')
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179 header = ["Dataset", "Chromosome", "Chrom_length", "Coordinate",
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180 "Nbr_reads", "Polarity", "Max", "Mean", "Median", "Coverage"]
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181 F.write('\t'.join(header) + '\n')
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182 if size_file_out:
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183 Fs = open(size_file_out, 'w')
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184 header = ["Dataset", "Chromosome", "Polarity", "Size", "Nbr_reads"]
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185 Fs.write('\t'.join(header) + '\n')
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186 for file, sample in zip(inputs, samples):
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187 mapobj = Map(file, sample, computeSize=True)
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188 mapobj.write_table(F)
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189 mapobj.write_size_table(Fs)
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190 Fs.close()
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191 else:
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192 for file, sample in zip(inputs, samples):
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193 mapobj = Map(file, sample, computeSize=False)
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194 mapobj.write_table(F)
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195 F.close()
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196
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197
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198 if __name__ == "__main__":
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199 args = Parser()
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200 # if identical sample names
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201 if len(set(args.sample_name)) != len(args.sample_name):
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202 args.sample_name = [name + '_' + str(i) for
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203 i, name in enumerate(args.sample_name)]
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204 main(args.input, args.sample_name, args.output, args.sizes)