Mercurial > repos > yufei-luo > s_mart
annotate smart_toolShed/commons/core/writer/WigWriter.py @ 0:e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
author | yufei-luo |
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date | Thu, 17 Jan 2013 10:52:14 -0500 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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1 # |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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2 # Copyright INRA-URGI 2009-2010 |
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3 # |
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4 # This software is governed by the CeCILL license under French law and |
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5 # abiding by the rules of distribution of free software. You can use, |
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6 # modify and/ or redistribute the software under the terms of the CeCILL |
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7 # license as circulated by CEA, CNRS and INRIA at the following URL |
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8 # "http://www.cecill.info". |
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9 # |
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10 # As a counterpart to the access to the source code and rights to copy, |
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11 # modify and redistribute granted by the license, users are provided only |
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12 # with a limited warranty and the software's author, the holder of the |
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13 # economic rights, and the successive licensors have only limited |
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14 # liability. |
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15 # |
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16 # In this respect, the user's attention is drawn to the risks associated |
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17 # with loading, using, modifying and/or developing or reproducing the |
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18 # software by the user in light of its specific status of free software, |
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19 # that may mean that it is complicated to manipulate, and that also |
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20 # therefore means that it is reserved for developers and experienced |
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21 # professionals having in-depth computer knowledge. Users are therefore |
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22 # encouraged to load and test the software's suitability as regards their |
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23 # requirements in conditions enabling the security of their systems and/or |
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24 # data to be ensured and, more generally, to use and operate it in the |
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25 # same conditions as regards security. |
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26 # |
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27 # The fact that you are presently reading this means that you have had |
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28 # knowledge of the CeCILL license and that you accept its terms. |
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29 # |
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30 from commons.core.writer.TranscriptListWriter import TranscriptListWriter |
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31 |
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32 |
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33 class WigWriter(TranscriptListWriter): |
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34 """ |
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35 A class that writes a transcript list into a file with WIGGLE format |
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36 @ivar fileName: name of the file |
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37 @type fileName: string |
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38 @ivar handle: handle to the file |
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39 @type handle: file handle |
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40 @ivar header: first lines of the file |
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41 @type header: string |
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42 """ |
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43 |
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44 |
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45 def __init__(self, fileName, verbosity = 0): |
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46 """ |
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47 Constructor |
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48 @param fileName: name of the file |
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49 @type fileName: string |
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50 @param verbosity: verbosity |
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51 @type verbosity: int |
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52 """ |
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53 self.fileName = fileName |
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54 self.verbosity = verbosity |
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55 self.data = {-1: {}, 0: {}, 1: {}} |
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56 self.title = "Reads" |
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57 self.strands = False |
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58 self.handle = None |
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59 |
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60 |
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61 def __del__(self): |
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62 """ |
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63 Destructor |
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64 Actually print the file |
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65 """ |
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66 strand2string = {-1: "-", 1: "+", 0: ""} |
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67 self.handle = open(self.fileName, "w") |
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68 self.handle.write("track type=wiggle_0 name=\"%s\"\n" % (self.title)) |
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69 for strand in self.data: |
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70 for chromosome in sorted(self.data[strand]): |
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71 self.handle.write("variableStep chrom=%s%s\n" % (chromosome, strand2string[strand])) |
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72 for pos in sorted(self.data[strand][chromosome]): |
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73 self.handle.write("%d\t%d\n" % (pos, self.data[strand][chromosome][pos])) |
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74 self.handle.close() |
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75 |
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76 |
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77 @staticmethod |
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78 def getFileFormats(): |
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79 """ |
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80 Get the format of the file |
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81 """ |
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82 return ["wig", "wiggle"] |
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83 |
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84 |
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85 @staticmethod |
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86 def getExtension(): |
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87 """ |
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88 Get the usual extension for the file |
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89 """ |
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90 return "wig" |
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91 |
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92 |
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93 def setTitle(self, title): |
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94 """ |
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95 Set the title of the track |
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96 @param title: the title of the track |
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97 @type title: string |
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98 """ |
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99 if title != None: |
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100 self.title = title |
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101 |
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102 |
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103 def setStrands(self, strands): |
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104 """ |
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105 Consider each strand separately |
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106 @param boolean: whether each strand should be considered separately |
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107 @type boolean: boolean |
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108 """ |
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109 self.strands = strands |
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110 |
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111 |
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112 def copyProperties(self, parser): |
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113 """ |
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114 Copy the properties collected by a parser, to produce a similar output |
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115 @param bedParser: a parser |
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116 @type bedParser: class L{TranscriptListWriter<TranscriptListWriter>} |
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117 """ |
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118 self.setTitle(parser.title) |
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119 |
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120 |
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121 def addTranscript(self, transcript): |
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122 """ |
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123 Export the given transcript with GBrowse format |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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124 @param transcript: transcript to be printed |
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125 @type transcript: class L{Transcript<Transcript>} |
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126 @return: a string |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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127 """ |
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128 chromosome = transcript.getChromosome() |
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129 direction = transcript.getDirection() |
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130 if not self.strands: |
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131 direction = 0 |
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132 if chromosome not in self.data[direction]: |
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133 self.data[direction][chromosome] = {} |
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134 for exon in transcript.getExons(): |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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135 for pos in range(exon.getStart(), exon.getEnd()+1): |
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136 if pos not in self.data[direction][chromosome]: |
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137 self.data[direction][chromosome][pos] = 1 |
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138 else: |
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139 self.data[direction][chromosome][pos] += 1 |