annotate commons/core/coord/Path.py @ 22:1e3f2c2657a3

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author m-zytnicki
date Mon, 29 Apr 2013 03:26:07 -0400
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1 # Copyright INRA (Institut National de la Recherche Agronomique)
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2 # http://www.inra.fr
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3 # http://urgi.versailles.inra.fr
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4 #
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5 # This software is governed by the CeCILL license under French law and
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6 # abiding by the rules of distribution of free software. You can use,
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7 # modify and/ or redistribute the software under the terms of the CeCILL
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8 # license as circulated by CEA, CNRS and INRIA at the following URL
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9 # "http://www.cecill.info".
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10 #
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11 # As a counterpart to the access to the source code and rights to copy,
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12 # modify and redistribute granted by the license, users are provided only
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13 # with a limited warranty and the software's author, the holder of the
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14 # economic rights, and the successive licensors have only limited
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15 # liability.
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16 #
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17 # In this respect, the user's attention is drawn to the risks associated
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18 # with loading, using, modifying and/or developing or reproducing the
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19 # software by the user in light of its specific status of free software,
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20 # that may mean that it is complicated to manipulate, and that also
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21 # therefore means that it is reserved for developers and experienced
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22 # professionals having in-depth computer knowledge. Users are therefore
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23 # encouraged to load and test the software's suitability as regards their
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24 # requirements in conditions enabling the security of their systems and/or
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25 # data to be ensured and, more generally, to use and operate it in the
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26 # same conditions as regards security.
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27 #
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28 # The fact that you are presently reading this means that you have had
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29 # knowledge of the CeCILL license and that you accept its terms.
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30
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31
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32 from commons.core.coord.Align import Align
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33 from commons.core.coord.Set import Set
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34 from commons.core.coord.Range import Range
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35
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36
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37 ## Handle a match between two sequences, query and subject (pair of coordinates with E-value, score and identity) with an identifier
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38 #
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39 class Path( Align ):
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40
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41 ## Constructor
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42 #
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43 # @param id identifier
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44 # @param range_q: a Range instance for the query
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45 # @param range_s: a Range instance for the subject
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46 # @param e_value: E-value of the match
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47 # @param score: score of the match
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48 # @param identity: identity percentage of the match
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49 #
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50 def __init__( self, id=-1, range_q=Range(), range_s=Range(), e_value=0, score=0, identity=0 ):
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51 self.id = int( id )
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52 Align.__init__( self, range_q, range_s, e_value, score, identity )
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53
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54 ## Equal operator
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55 #
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56 def __eq__(self, o):
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57 if o == None or self.id != o.id:
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58 return False
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59 return Align.__eq__(self, o)
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60
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61 ## Set attributes from tuple
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62 #
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63 # @param tuple a tuple with (id,queryName,queryStart,queryEnd,subjectName,subjectStar,subjectEnd,E-value,score,identity)
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64 # @note data are loaded such that the query is always on the direct strand
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65 #
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66 def setFromTuple(self, tuple):
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67 self.id = int(tuple[0])
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68 Align.setFromTuple(self, tuple[1:])
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69
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70 ## Reset
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71 #
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72 def reset(self):
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73 self.id = -1
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74 Align.reset(self)
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75
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76 ## Return the attributes as a formatted string
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77 #
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78 def toString(self):
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79 string = "%i" % ( self.id )
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80 string += "\t%s" % (Align.toString(self))
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81 return string
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82
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83
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84 ## Return the identifier of the Path instance
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85 #
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86 def getIdentifier( self ):
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87 return self.id
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88
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89 ## Return a Set instance with the subject mapped on the query
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90 #
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91 def getSubjectAsSetOfQuery(self):
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92 iSet = Set()
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93 iSet.id = self.id
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94 iSet.name = self.range_subject.seqname
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95 iSet.seqname = self.range_query.seqname
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96 if self.range_subject.isOnDirectStrand():
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97 iSet.start = self.range_query.start
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98 iSet.end = self.range_query.end
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99 else:
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100 iSet.start = self.range_query.end
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101 iSet.end = self.range_query.start
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102 return iSet
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103
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104 #TODO: add tests !!!!
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105 #WARNING: subject always in direct strand !!!
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106 ## Return a Set instance with the subject mapped on the query
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107 #
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108 def getQuerySetOfSubject(self):
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109 iSet = Set()
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110 iSet.id = self.id
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111 iSet.name = self.range_query.seqname
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112 iSet.seqname = self.range_subject.seqname
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113 if self.range_subject.isOnDirectStrand():
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114 iSet.start = self.range_subject.start
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115 iSet.end = self.range_subject.end
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116 else:
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117 iSet.start = self.range_subject.end
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118 iSet.end = self.range_subject.start
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119 return iSet
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120
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121 ## Return True if the instance can be merged with another Path instance, False otherwise
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122 #
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123 # @param o a Path instance
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124 #
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125 def canMerge(self, o):
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126 return o.id != self.id \
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127 and o.range_query.seqname == self.range_query.seqname \
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128 and o.range_subject.seqname == self.range_subject.seqname \
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129 and o.range_query.isOnDirectStrand() == self.range_query.isOnDirectStrand() \
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130 and o.range_subject.isOnDirectStrand() == self.range_subject.isOnDirectStrand() \
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131 and o.range_query.isOverlapping(self.range_query) \
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132 and o.range_subject.isOverlapping(self.range_subject)
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133
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134 ## Return an Align instance with the same attributes, except the identifier
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135 #
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136 def getAlignInstance(self):
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137 iAlign = Align()
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138 lAttributes = []
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139 lAttributes.append( self.range_query.seqname )
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140 lAttributes.append( self.range_query.start )
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141 lAttributes.append( self.range_query.end )
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142 lAttributes.append( self.range_subject.seqname )
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143 lAttributes.append( self.range_subject.start )
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144 lAttributes.append( self.range_subject.end )
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145 lAttributes.append( self.e_value )
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146 lAttributes.append( self.score )
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147 lAttributes.append( self.identity )
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148 iAlign.setFromTuple( lAttributes )
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149 return iAlign