Mercurial > repos > yufei-luo > s_mart
diff commons/core/parsing/NucmerParser.py @ 38:2c0c0a89fad7
Uploaded
author | m-zytnicki |
---|---|
date | Thu, 02 May 2013 09:56:47 -0400 |
parents | 769e306b7933 |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/commons/core/parsing/NucmerParser.py Thu May 02 09:56:47 2013 -0400 @@ -0,0 +1,88 @@ +# +# Copyright INRA-URGI 2009-2010 +# +# This software is governed by the CeCILL license under French law and +# abiding by the rules of distribution of free software. You can use, +# modify and/ or redistribute the software under the terms of the CeCILL +# license as circulated by CEA, CNRS and INRIA at the following URL +# "http://www.cecill.info". +# +# As a counterpart to the access to the source code and rights to copy, +# modify and redistribute granted by the license, users are provided only +# with a limited warranty and the software's author, the holder of the +# economic rights, and the successive licensors have only limited +# liability. +# +# In this respect, the user's attention is drawn to the risks associated +# with loading, using, modifying and/or developing or reproducing the +# software by the user in light of its specific status of free software, +# that may mean that it is complicated to manipulate, and that also +# therefore means that it is reserved for developers and experienced +# professionals having in-depth computer knowledge. Users are therefore +# encouraged to load and test the software's suitability as regards their +# requirements in conditions enabling the security of their systems and/or +# data to be ensured and, more generally, to use and operate it in the +# same conditions as regards security. +# +# The fact that you are presently reading this means that you have had +# knowledge of the CeCILL license and that you accept its terms. +# +import re +import sys +from SMART.Java.Python.structure.SubMapping import SubMapping +from SMART.Java.Python.structure.Mapping import Mapping +from SMART.Java.Python.structure.Interval import Interval +from commons.core.parsing.MapperParser import MapperParser + + +class NucmerParser(MapperParser): + """A class that parses the output of Nucmer""" + + def __init__(self, fileName, verbosity = 0): + super(NucmerParser, self).__init__(fileName, verbosity) + + + def __del__(self): + super(NucmerParser, self).__del__() + + + def getFileFormats(): + return ["nucmer"] + getFileFormats = staticmethod(getFileFormats) + + + def skipFirstLines(self): + pass + + + def parseLine(self, line): + if not line: + return None + if line[0] == ">": + self.currentChromosome = line[1:].split()[0] + return None + splittedLine = line.strip().split() + if len(splittedLine) != 8: + raise Exception("Line %d '%s' does not have a NucMer format" % (self.currentLineNb, line)) + + subMapping = SubMapping() + + subMapping.targetInterval.setChromosome(self.currentChromosome) + subMapping.targetInterval.setName(self.currentChromosome) + subMapping.targetInterval.setStart(min(int(splittedLine[0]), int(splittedLine[1]))) + subMapping.targetInterval.setEnd(max(int(splittedLine[0]), int(splittedLine[1]))) + subMapping.targetInterval.setDirection(splittedLine[6]) + + subMapping.queryInterval.setChromosome(splittedLine[7]) + subMapping.queryInterval.setName(splittedLine[7]) + subMapping.queryInterval.setStart(1) + subMapping.queryInterval.setEnd(int(splittedLine[3])) + subMapping.queryInterval.setDirection("+") + + mapping = Mapping() + mapping.addSubMapping(subMapping) + mapping.setDirection(splittedLine[6]) + mapping.setIdentity(float(splittedLine[5])) + mapping.setSize(int(splittedLine[3])) + + return mapping