view smart_toolShed/SMART/Java/Python/structure/SequenceList.py @ 0:e0f8dcca02ed

Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.

#
# 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".
# 
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import math

class SequenceList(object):
    """A class that codes for a list of sequences"""

    def __init__(self, verbosity = 0):
        self.sequences = []
        self.verbosity = verbosity


    def nbSequences(self):
        return len(self.sequences)


    def getSequence(self, index):
        return self.sequences[index]
        

    def addSequence(self, sequence):
        self.sequences.append(sequence)
        

    def split(self, number):
        sequenceLists = []
        size          = math.ceil(self.nbSequences() / number)

        sequenceList = SequenceList()
        for i in range(0, self.nbSequences()):
            sequenceList.addSequence(self.getSequence(i))
            if (sequenceList.nbSequences() == size):
                sequenceLists.append(sequenceList)
                sequenceList = SequenceList()
        if (sequenceList.nbSequences() != 0):
            sequenceLists.append(sequenceList)
        return sequenceLists


    def printFasta(self):
        string = ""
        for sequence in self.sequences:
            string += sequence.printFasta()
        return string