Mercurial > repos > earlhaminst > ete

annotate ete_homology_classifier.py @ 14:d40b9a7debe5 draft default tip

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planemo upload for repository https://github.com/TGAC/earlham-galaxytools/tree/master/tools/ete commit 71b9c1035f713be174bfcf5ecb20804495f39258
author earlhaminst
date Thu, 07 Mar 2024 19:39:30 +0000
parents ed74587a13c8
children
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1 from __future__ import print_function
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3 import optparse
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5 from ete3 import PhyloTree
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8 def main():
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9 usage = "usage: %prog --genetree <genetree-file> --speciestree <speciestree-file> [options]"
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10 parser = optparse.OptionParser(usage=usage)
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11 parser.add_option('--genetree', help='GeneTree in nhx format')
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12 parser.add_option('--out_format', type='string', default='tabular', help='Choose output format')
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13 parser.add_option('--filters', default='', help='Filter families')
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15 options, args = parser.parse_args()
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17 if options.genetree is None:
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18 parser.error("--genetree option must be specified, GeneTree in nhx format")
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20 with open(options.genetree, 'r') as f:
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21 contents = f.read()
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23 # Remove empty NHX features that can be produced by TreeBest but break ete3
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24 contents = contents.replace('[&&NHX]', '')
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25 # reads single gene tree
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26 genetree = PhyloTree(contents)
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28 leaves_list = genetree.get_leaf_names()
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29 # Genetree nodes are required to be in gene_species format
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30 leaves_list = [_ for _ in leaves_list if '_' in _]
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31
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32 species_list = [_.split("_")[-1] for _ in leaves_list]
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34 species_dict = {}
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35 for species in species_list:
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36 count = "one"
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37 if species in species_dict:
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38 count = "many"
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39 species_dict[species] = count
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41 homologies = {
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42 'one-to-one': [],
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43 'one-to-many': [],
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44 'many-to-one': [],
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45 'many-to-many': [],
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46 'paralogs': []
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47 }
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48
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49 # stores relevant homology types in dict
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50 for i, leaf1 in enumerate(leaves_list):
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51 for leaf2 in leaves_list[i + 1:]:
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52 id1 = leaf1.split(":")[1] if ":" in leaf1 else leaf1
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53 id2 = leaf2.split(":")[1] if ":" in leaf2 else leaf2
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54 species1 = id1.split("_")[-1]
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55 species2 = id2.split("_")[-1]
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56 if species1 == species2:
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57 homology_type = 'paralogs'
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58 else:
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59 homology_type = species_dict[species1] + "-to-" + species_dict[species2]
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60 homologies[homology_type].append((id1, id2))
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62 options.filters = options.filters.split(",")
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64 if options.out_format == 'tabular':
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65 for homology_type, homologs_list in homologies.items():
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66 # checks if homology type is in filter
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67 if homology_type in options.filters:
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68 for (gene1, gene2) in homologs_list:
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69 print("%s\t%s\t%s" % (gene1, gene2, homology_type))
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70 elif options.out_format == 'csv':
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71 print_family = True
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72 for homology_type, homologs_list in homologies.items():
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73 if homologs_list and homology_type not in options.filters:
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74 print_family = False
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75 break
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76
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77 # prints family if homology type is not found in filter
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78 if print_family:
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79 print(','.join(leaves_list))
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80
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81
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82 if __name__ == "__main__":
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83 main()