Mercurial > repos > peterjc > venn_list
annotate tools/venn_list/venn_list.py @ 6:ea68a1a4c1d9 draft
v0.0.10 explicit galaxy_sequence_utils dependency etc
author | peterjc |
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date | Thu, 02 Feb 2017 11:17:31 -0500 |
parents | 991342eca214 |
children | ee50d9ef9d69 |
rev | line source |
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1 #!/usr/bin/env python |
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2 """Plot up to 3-way Venn Diagram using R limma vennDiagram (via rpy) |
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3 |
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4 This script is copyright 2010 by Peter Cock, The James Hutton Institute |
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5 (formerly SCRI), UK. All rights reserved. |
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6 See accompanying text file for licence details (MIT/BSD style). |
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7 |
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8 This is version 0.0.8 of the script. |
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9 """ |
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10 |
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11 |
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12 import sys |
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13 |
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14 try: |
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15 import rpy |
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16 except ImportError: |
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17 sys.exit("Requires the Python library rpy (to call R)") |
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18 except RuntimeError, e: |
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19 sys.exit("The Python library rpy is not availble for the current R version\n\n%s" % e) |
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20 |
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21 try: |
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22 rpy.r.library("limma") |
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23 except Exception: |
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24 sys.exit("Requires the R library limma (for vennDiagram function)") |
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25 |
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26 |
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27 if len(sys.argv) - 1 not in [7, 10, 13]: |
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28 sys.exit("Expected 7, 10 or 13 arguments (for 1, 2 or 3 sets), not %i" % (len(sys.argv) - 1)) |
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29 |
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30 all_file, all_type, all_label = sys.argv[1:4] |
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31 set_data = [] |
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32 if len(sys.argv) - 1 >= 7: |
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33 set_data.append(tuple(sys.argv[4:7])) |
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34 if len(sys.argv) - 1 >= 10: |
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35 set_data.append(tuple(sys.argv[7:10])) |
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36 if len(sys.argv) - 1 >= 13: |
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37 set_data.append(tuple(sys.argv[10:13])) |
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38 pdf_file = sys.argv[-1] |
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39 n = len(set_data) |
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40 print "Doing %i-way Venn Diagram" % n |
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41 |
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42 |
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43 def load_ids(filename, filetype): |
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44 if filetype == "tabular": |
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45 for line in open(filename): |
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46 line = line.rstrip("\n") |
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47 if line and not line.startswith("#"): |
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48 yield line.split("\t", 1)[0] |
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49 elif filetype == "fasta": |
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50 for line in open(filename): |
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51 if line.startswith(">"): |
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52 yield line[1:].rstrip("\n").split(None, 1)[0] |
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53 elif filetype.startswith("fastq"): |
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54 # Use the Galaxy library not Biopython to cope with CS |
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55 from galaxy_utils.sequence.fastq import fastqReader |
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56 handle = open(filename, "rU") |
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57 for record in fastqReader(handle): |
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58 # The [1:] is because the fastaReader leaves the @ on the identifer. |
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59 yield record.identifier.split()[0][1:] |
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60 handle.close() |
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61 elif filetype == "sff": |
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62 try: |
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63 from Bio.SeqIO import index |
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64 except ImportError: |
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65 sys.exit("Require Biopython 1.54 or later (to read SFF files)") |
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66 # This will read the SFF index block if present (very fast) |
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67 for name in index(filename, "sff"): |
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68 yield name |
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69 else: |
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70 sys.exit("Unexpected file type %s" % filetype) |
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71 |
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72 |
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73 def load_ids_whitelist(filename, filetype, whitelist): |
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74 for name in load_ids(filename, filetype): |
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75 if name in whitelist: |
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76 yield name |
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77 else: |
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78 sys.exit("Unexpected ID %s in %s file %s" % (name, filetype, filename)) |
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79 |
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80 if all_file in ["", "-", '""', '"-"']: |
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81 # Load without white list |
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82 sets = [set(load_ids(f, t)) for (f, t, c) in set_data] |
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83 # Take union |
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84 all_ids = set() |
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85 for s in sets: |
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86 all_ids.update(s) |
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87 print "Inferred total of %i IDs" % len(all_ids) |
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88 else: |
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89 all_ids = set(load_ids(all_file, all_type)) |
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90 print "Total of %i IDs" % len(all_ids) |
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91 sets = [set(load_ids_whitelist(f, t, all_ids)) for (f, t, c) in set_data] |
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92 |
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93 for s, (f, t, c) in zip(sets, set_data): |
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94 print "%i in %s" % (len(s), c) |
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95 |
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96 # Now call R library to draw simple Venn diagram |
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97 try: |
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98 # Create dummy Venn diagram counts object for three groups |
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99 cols = 'c("%s")' % '","'.join("Set%i" % (i + 1) for i in range(n)) |
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100 rpy.r('groups <- cbind(%s)' % ','.join(['1'] * n)) |
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101 rpy.r('colnames(groups) <- %s' % cols) |
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102 rpy.r('vc <- vennCounts(groups)') |
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103 # Populate the 2^n classes with real counts |
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104 # Don't make any assumptions about the class order |
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105 # print rpy.r('vc') |
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106 for index, row in enumerate(rpy.r('vc[,%s]' % cols)): |
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107 if isinstance(row, int) or isinstance(row, float): |
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108 # Hack for rpy being too clever for single element row |
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109 row = [row] |
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110 names = all_ids |
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111 for wanted, s in zip(row, sets): |
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112 if wanted: |
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113 names = names.intersection(s) |
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114 else: |
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115 names = names.difference(s) |
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116 rpy.r('vc[%i,"Counts"] <- %i' % (index + 1, len(names))) |
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117 # print rpy.r('vc') |
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118 if n == 1: |
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119 # Single circle, don't need to add (Total XXX) line |
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120 names = [c for (t, f, c) in set_data] |
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121 else: |
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122 names = ["%s\n(Total %i)" % (c, len(s)) for s, (f, t, c) in zip(sets, set_data)] |
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123 rpy.r.assign("names", names) |
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124 rpy.r.assign("colors", ["red", "green", "blue"][:n]) |
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125 rpy.r.pdf(pdf_file, 8, 8) |
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126 rpy.r("""vennDiagram(vc, include="both", names=names, |
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127 main="%s", sub="(Total %i)", |
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128 circle.col=colors) |
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129 """ % (all_label, len(all_ids))) |
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130 rpy.r.dev_off() |
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131 except Exception, exc: |
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132 sys.exit("%s" % str(exc)) |
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133 rpy.r.quit(save="no") |
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134 print "Done" |