annotate commons/core/coord/MapUtils.py @ 58:5f5c9b74c2dd

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author m-zytnicki
date Fri, 07 Feb 2014 11:53:36 -0500
parents 769e306b7933
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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 import sys
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33 import os
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34 from commons.core.coord.Map import Map
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35 from commons.core.coord.Set import Set
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36 try:
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37 from commons.core.checker.CheckerUtils import CheckerUtils
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38 except ImportError:
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39 pass
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40
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41
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42 ## static methods manipulating Map instances
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43 #
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44 class MapUtils( object ):
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45
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46 ## Return a list of Map instances sorted in increasing order according to the min, then the max, and finally their initial order
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47 #
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48 # @param lMaps list of Map instances
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49 #
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50 def getMapListSortedByIncreasingMinThenMax( lMaps ):
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51 return sorted( lMaps, key=lambda iMap: ( iMap.getMin(), iMap.getMax() ) )
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52
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53 getMapListSortedByIncreasingMinThenMax = staticmethod( getMapListSortedByIncreasingMinThenMax )
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54
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55
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56 ## Return a list of Map instances sorted in increasing order according to the name, then the seqname, then the min, then the max
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57 #
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58 # @param lMaps list of Map instances
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59 #
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60 def getMapListSortedByIncreasingNameThenSeqnameThenMinThenMax( lMaps ):
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61 return sorted( lMaps, key=lambda iMap: ( iMap.getName(), iMap.getSeqname(), iMap.getMin(), iMap.getMax() ) )
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62
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63 getMapListSortedByIncreasingNameThenSeqnameThenMinThenMax = staticmethod( getMapListSortedByIncreasingNameThenSeqnameThenMinThenMax )
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64
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65
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66 ## Return a dictionary which keys are Map names and values the corresponding Map instances
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67 #
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68 def getDictPerNameFromMapFile( mapFile ):
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69 dName2Maps = {}
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70 mapFileHandler = open( mapFile, "r" )
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71 while True:
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72 line = mapFileHandler.readline()
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73 if line == "":
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74 break
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75 iMap = Map()
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76 iMap.setFromString( line, "\t" )
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77 if dName2Maps.has_key( iMap.name ):
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78 if iMap == dName2Maps[ iMap.name ]:
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79 continue
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80 else:
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81 msg = "ERROR: in file '%s' two different Map instances have the same name '%s'" % ( mapFile, iMap.name )
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82 sys.stderr.write( "%s\n" % ( msg ) )
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83 sys.exit(1)
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84 dName2Maps[ iMap.name ] = iMap
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85 mapFileHandler.close()
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86 return dName2Maps
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87
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88 getDictPerNameFromMapFile = staticmethod( getDictPerNameFromMapFile )
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89
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90
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91 ## Give a list of Set instances from a list of Map instances
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92 #
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93 # @param lMaps list of Map instances
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94 # @return lSets list of Set instances
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95 #
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96 def mapList2SetList( lMaps ):
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97 lSets = []
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98 c = 0
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99 for iMap in lMaps:
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100 c += 1
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101 iSet = Set()
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102 iSet.id = c
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103 iSet.name = iMap.getName()
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104 iSet.seqname = iMap.getSeqname()
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105 iSet.start = iMap.getStart()
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106 iSet.end = iMap.getEnd()
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107 lSets.append( iSet )
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108 return lSets
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109
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110 mapList2SetList = staticmethod( mapList2SetList )
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111
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112
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113 ## Merge the Map instances in a Map file using 'mapOp'
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114 #
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115 def mergeCoordsInFile( inFile, outFile ):
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116 if not sys.modules.has_key( "commons.core.checker.CheckerUtils" ):
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117 msg = "WARNING: can't find module 'CheckerUtils'"
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118 sys.stderr.write( "%s\n" % msg )
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119 elif not CheckerUtils.isExecutableInUserPath( "mapOp" ):
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120 msg = "WARNING: can't find executable 'mapOp'"
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121 sys.stderr.write( "%s\n" % msg )
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122 else:
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123 cmd = "mapOp"
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124 cmd += " -q %s" % ( inFile )
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125 cmd += " -m"
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126 cmd += " 2>&1 > /dev/null"
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127 returnStatus = os.system( cmd )
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128 if returnStatus != 0:
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129 print "ERROR: mapOp returned %i" % ( returnStatus )
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130 sys.exit(1)
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131 os.rename( "%s.merge" % inFile,
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132 outFile )
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133
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134 mergeCoordsInFile = staticmethod( mergeCoordsInFile )
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135
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136
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137 ## Return a dictionary which keys are Map seqnames and values the corresponding Map instances
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138 #
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139 def getDictPerSeqNameFromMapFile( mapFile ):
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140 dSeqName2Maps = {}
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141 mapFileHandler = open( mapFile, "r" )
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142 while True:
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143 line = mapFileHandler.readline()
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144 if line == "":
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145 break
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146 iMap = Map()
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147 iMap.setFromString( line, "\t" )
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148 if not dSeqName2Maps.has_key( iMap.seqname ):
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149 dSeqName2Maps[ iMap.seqname ] = []
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150 dSeqName2Maps[ iMap.seqname ].append( iMap )
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151 mapFileHandler.close()
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152 return dSeqName2Maps
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153
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154 getDictPerSeqNameFromMapFile = staticmethod( getDictPerSeqNameFromMapFile )
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155
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156
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157 ## Convert an Map file into a Set file
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158 #
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159 # @param mapFile string input map file name
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160 # @param setFile string output set file name
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161 #
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162 def convertMapFileIntoSetFile( mapFileName, setFileName = "" ):
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163 if setFileName == "":
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164 setFileName = "%s.set" % mapFileName
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165 mapFileHandler = open( mapFileName, "r" )
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166 setFileHandler = open( setFileName, "w" )
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167 iMap = Map()
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168 count = 0
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169 while True:
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170 line = mapFileHandler.readline()
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171 if line == "":
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172 break
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173 iMap.setFromString(line)
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174 count += 1
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175 iSet = Set()
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176 iSet.id = count
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177 iSet.name = iMap.getName()
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178 iSet.seqname = iMap.getSeqname()
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179 iSet.start = iMap.getStart()
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180 iSet.end = iMap.getEnd()
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181 iSet.write(setFileHandler)
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182 mapFileHandler.close()
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183 setFileHandler.close()
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184
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185 convertMapFileIntoSetFile = staticmethod( convertMapFileIntoSetFile )
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186
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187 ## Write Map instances contained in the given list
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188 #
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189 # @param lMaps list of Map instances
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190 # @param fileName a file name
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191 # @param mode the open mode of the file '"w"' or '"a"'
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192 #
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193 def writeListInFile(lMaps, fileName, mode="w"):
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194 fileHandler = open(fileName, mode)
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195 for iMap in lMaps:
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196 iMap.write(fileHandler)
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197 fileHandler.close()
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198
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199 writeListInFile = staticmethod( writeListInFile )
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200
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201
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202 ## Get the length of the shorter seq in map file
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203 #
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204 # @param mapFileName
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205 # @param mode the open mode of the file '"w"' or '"a"'
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206 #
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207 def getMinLengthOfMapFile(self, mapFileName):
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208 fileHandler = open(mapFileName, "r")
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209 line = fileHandler.readline()
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210 start = int (line.split('\t')[2])
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211 end = int (line.split('\t')[3])
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212 min = end - start + 1
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213 while True:
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214 line = fileHandler.readline()
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215 if line == "":
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216 break
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217 start = int (line.split('\t')[2])
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218 end = int (line.split('\t')[3])
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219 currentMin = end - start + 1
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220 if min >= currentMin:
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221 min = currentMin
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222 fileHandler.close()
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223 return min
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224
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225 ## Get the max length of the shorter seq in map file
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226 #
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227 # @param mapFileName
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228 # @param mode the open mode of the file '"w"' or '"a"'
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229 #
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230 def getMaxLengthOfMapFile(self, mapFileName):
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231 fileHandler = open(mapFileName, "r")
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232 line = fileHandler.readline()
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233 start = int (line.split('\t')[2])
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234 end = int (line.split('\t')[3])
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235 max = end - start + 1
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236 while True:
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237 line = fileHandler.readline()
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238 if line == "":
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239 break
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240 start = int (line.split('\t')[2])
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241 end = int (line.split('\t')[3])
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242 currentMax = end - start + 1
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243 if max <= currentMax:
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244 max = currentMax
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245 fileHandler.close()
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246 return max