Mercurial > repos > yufei-luo > s_mart

comparison commons/core/parsing/Multifasta2SNPFile.py @ 6:769e306b7933

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author yufei-luo
date Fri, 18 Jan 2013 04:54:14 -0500
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5:ea3082881bf8 6:769e306b7933
1 import re
2 import os
3 import logging
4 from commons.core.utils.FileUtils import FileUtils
5 from commons.core.seq.BioseqDB import BioseqDB
6 from commons.core.seq.Bioseq import Bioseq
7 from commons.core.LoggerFactory import LoggerFactory
8
9 DNA_ALPHABET_WITH_N_AND_DELS = set (['A','T','G','C','N','-'])
10 IUPAC = set(['A','T','G','C','U','R','Y','M','K','W','S','B','D','H','V','N', '-', 'a','t','g','c','u','r','y','m','k','w','s','b','d','h','v','n'])
11
12 class Multifasta2SNPFile( object ):
13
14 POLYM_TYPE_4_SNP = "SNP"
15 POLYM_TYPE_4_INSERTION = "INSERTION"
16 POLYM_TYPE_4_DELETION = "DELETION"
17 POLYM_DEFAULT_CONFIDENCE_VALUE = "A"
18 SNP_LENGTH = 1
19 FLANK_LENGTH = 250
20
21 def __init__(self, taxon, batchName="", geneName=""):
22
23 if(batchName):
24 self._batchName = batchName
25
26 if(geneName):
27 self._geneName = geneName
28
29 self._taxon = taxon
30 self._outSubSNPFileName = "SubSNP.csv"
31 self._outAlleleFileName = "Allele.csv"
32 self._outIndividualFileName = "Individual.csv"
33 self._outSequenceFSAFileName = "Sequences.fsa"
34 self._outSequenceCSVFileName = "Sequences.csv"
35 self._outBatchFileName = "Batch.txt"
36 self._outBatchLineFileName = "BatchLine.csv"
37 self._logFileName = "multifasta2SNP.log"
38
39 self._lBatchFileResults = []
40 self._lSubSNPFileResults = []
41 self._lRefSequences = []
42 self._lIndividualFileResults = []
43 self._lBatchLineFileResults = []
44 self._dIndividualNumbers4SubSNPResults = {}
45 self._dAlleleFileResults = {}
46
47
48 self.dcurrentIndel = {}
49 self.lIndelsOfTheCurrentLine = []
50 self.lIndelsOverAllLines = []
51 self.dSNPsPositions = {}
52
53 self._iCurrentLineNumber = 0
54 self._currentBatchNumber = 1
55 self.currentLineName = ""
56 self.currentNucleotide = ""
57 self.currentPosition = 0
58 self._sPolymConfidenceValue = Multifasta2SNPFile.POLYM_DEFAULT_CONFIDENCE_VALUE
59 self._sPolymType = Multifasta2SNPFile.POLYM_TYPE_4_SNP
60 self._iPolymLength = Multifasta2SNPFile.SNP_LENGTH
61 self._fileUtils = FileUtils()
62
63 if self._fileUtils.isRessourceExists(self._logFileName):
64 os.remove(self._logFileName)
65 self._logFile = LoggerFactory.createLogger(self._logFileName, logging.INFO, "%(asctime)s %(levelname)s: %(message)s")
66
67 def runOneBatch( self, inFileName):
68 self._currentFileName = inFileName
69 #TODO: methode a virer; n'utiliser au final que runOneBatchWithoutWriting
70 self._wrapper = self.createWrapperFromFile(inFileName)
71 self._lBatchFileResults = self.completeBatchList()
72 self.detectSNPsAndIndels(self._wrapper)
73 self._writeAllOutputFiles()
74 self._currentBatchNumber += 1
75
76 def runOneBatchWithoutWriting( self, inFileName):
77 self.lIndelsOverAllLines = []
78 self._currentFileName = inFileName
79 self._wrapper = self.createWrapperFromFile(inFileName)
80 self._lBatchFileResults = self.completeBatchList()
81 self.detectSNPsAndIndels(self._wrapper)
82 self._currentBatchNumber += 1
83
84
85 def _cleanOutputsInTheCurrentDir(self):
86 #TODO: create a list of files to be deleted
87 FileUtils.removeFilesByPattern("*.csv")
88 if (FileUtils.isRessourceExists(self._outBatchFileName)):
89 os.remove(self._outBatchFileName)
90 if (FileUtils.isRessourceExists(self._outSequenceFSAFileName)):
91 os.remove(self._outSequenceFSAFileName)
92
93
94 def _createOutputObjectsIteratingOnCurrentDir(self):
95 #TODO: gerer les extensions multiples
96 extList = [".fasta", ".fsa"]
97 for dirname, dirnames, filenames in os.walk("."):
98 filenames.sort()
99 for filename in filenames:
100 if os.path.splitext(filename)[1] in extList:
101 self._geneName = os.path.splitext(filename)[0]
102 self._batchName = "Batch_" + self._geneName
103 self.runOneBatchWithoutWriting(filename)
104
105 def runSeveralBatches( self, inputDir):
106 #TODO: enlever les chdirs, appeler les fichiers en absolu et modifier les tests en consequences
107 os.chdir(inputDir)
108 self._cleanOutputsInTheCurrentDir()
109 self._createOutputObjectsIteratingOnCurrentDir()
110 self._writeAllOutputFiles()
111 os.chdir("../")
112
113
114 def _treatADeletionClosingWithAnotherBaseThanRefSeq(self, lineName, nucleotide, position):
115 if (self.isTheIndelOpen4ThisLine):
116 self._closeTheCurrentIndel(lineName, nucleotide, position)
117 self._manageSNPs(lineName, nucleotide, position)
118 self.addOnePolymorphicPosition(position)
119
120 def _treatNucleotideDifferentThanRefSeqCase(self, refSeq, lineName, index, nucleotide, position):
121 if (nucleotide == "-" or refSeq[index] == "-"):
122 if (self.isTheIndelOpen4ThisLine):
123 self._expandTheCurrentIndel(position, nucleotide)
124 else:
125 self._startAnIndel(position, nucleotide)
126 else:
127 self._treatADeletionClosingWithAnotherBaseThanRefSeq(lineName, nucleotide, position)
128
129
130 def _treatSameNucleotideInOneIndel(self, refSeq, lineName, index, nucleotide, position):
131 if (self._sPolymType == Multifasta2SNPFile.POLYM_TYPE_4_DELETION):
132 self._closeTheCurrentIndel(lineName, nucleotide, position)
133 elif (self._sPolymType == Multifasta2SNPFile.POLYM_TYPE_4_INSERTION):
134 if (refSeq[index] == "-"):
135 self._expandTheCurrentIndel(position, nucleotide)
136 else:
137 self._closeTheCurrentIndel(lineName, nucleotide, position)
138
139 def detectSNPsAndIndels(self, iRefAndLines):
140 refSeq = iRefAndLines.getReferenceSequence()
141 refSeqLength = len ( refSeq )
142 self.dSNPsPositions = {}
143
144 for iLineBioseq in iRefAndLines.getLinesBioseqInstances():
145 lineSequence = iLineBioseq.sequence
146 self.currentLineName = iLineBioseq.header
147 self._manageCurrentIndividual(self.currentLineName)
148
149 index = 0
150 self.isTheIndelOpen4ThisLine = 0
151 self.lIndelsOfTheCurrentLine = []
152 for nucleotide in lineSequence:
153 position = index + 1
154 if (index < refSeqLength) and self._isSNPDetected(refSeq, index, nucleotide):
155 self._treatNucleotideDifferentThanRefSeqCase(refSeq, self.currentLineName, index, nucleotide, position)
156 elif(index < refSeqLength and self.isTheIndelOpen4ThisLine) :
157 self._treatSameNucleotideInOneIndel(refSeq, self.currentLineName, index, nucleotide, position)
158 index = index + 1
159 self.currentNucleotide = nucleotide
160 self.currentPosition = position
161
162 self.lIndelsOverAllLines = self.lIndelsOverAllLines + self.lIndelsOfTheCurrentLine
163
164 self._postTraitementDetectSNP(self.currentLineName, self.currentNucleotide, self.currentPosition)
165
166 def _manageCurrentIndividual(self, lineName):
167 self._lIndividualFileResults = self._completeIndividualListWithCurrentIndividual(self._lIndividualFileResults, lineName)
168 self._lBatchLineFileResults = self._completeBatchLineListWithCurrentIndividual(self._lBatchLineFileResults, self._lIndividualFileResults, lineName)
169 if not self._dIndividualNumbers4SubSNPResults.__contains__(lineName):
170 self._dIndividualNumbers4SubSNPResults[lineName] = len(self._lIndividualFileResults)
171
172
173 def _manageLastPositionIndels(self, lineName, nucleotide, position):
174 if (self.isTheIndelOpen4ThisLine):
175 self._closeTheCurrentIndel(lineName, nucleotide, position)
176 self.lIndelsOverAllLines.append(self.lIndelsOfTheCurrentLine.pop())
177
178 def _postTraitementDetectSNP(self, lineName, nucleotide, position):
179 self._manageLastPositionIndels(lineName, nucleotide, position)
180
181 self._mergeAllelesAndSubSNPsFromOverlappingIndels()
182 self._addMissingsAllelesAndSubSNPs()
183
184 self._lSubSNPFileResults = self._sortSubSNPResultByBatchPositionAndLineName(self._lSubSNPFileResults)
185
186 def _manageSNPs(self, lineName, nucleotide, position):
187 self._dAlleleFileResults = self._completeAlleleSetWithCurrentAllele(self._dAlleleFileResults, nucleotide)
188 truePosition = self.getUngappedPositionInRefSeq(position)
189 subSNPName = self._formatSubSNPName(lineName, truePosition, Multifasta2SNPFile.POLYM_TYPE_4_SNP)
190 iAlleleNumber = self._dAlleleFileResults[nucleotide]
191 self._sPolymType = Multifasta2SNPFile.POLYM_TYPE_4_SNP
192 flank5Prime, flank3Prime = self.getFlanksOfASubSNP(lineName, position, Multifasta2SNPFile.SNP_LENGTH, Multifasta2SNPFile.FLANK_LENGTH)
193 dSubSNPResult = {'subSNPName':subSNPName, 'position':truePosition, 'lineName':self._dIndividualNumbers4SubSNPResults[lineName],
194 'allele':iAlleleNumber, 'batchNumber': self._currentBatchNumber, 'confidenceValue':self._sPolymConfidenceValue,
195 'type':self._sPolymType, 'length': Multifasta2SNPFile.SNP_LENGTH,
196 '5flank':flank5Prime, '3flank':flank3Prime}
197 if(not self.subSNPExistsInSubSNPList(dSubSNPResult, self._lSubSNPFileResults)):
198 self._lSubSNPFileResults.append(dSubSNPResult)
199
200 def _startAnIndel(self, position, nucleotide):
201 self.dcurrentIndel['start'] = position
202 self.dcurrentIndel['end'] = position
203 self.sCurrentIndelAllele = nucleotide
204 if(nucleotide == "-"):
205 self._sPolymType = Multifasta2SNPFile.POLYM_TYPE_4_DELETION
206 else:
207 self._sPolymType = Multifasta2SNPFile.POLYM_TYPE_4_INSERTION
208 self.isTheIndelOpen4ThisLine = 1
209
210 def _expandTheCurrentIndel(self, position, nucleotide):
211 self.sCurrentIndelAllele = self.sCurrentIndelAllele + nucleotide
212 self.dcurrentIndel['end'] = position
213
214 def _closeTheCurrentIndel(self, lineName, nucleotide, position):
215 subSNPName = self._formatSubSNPName(lineName, self.dcurrentIndel['start'], self._sPolymType)
216
217 dIndel4TheLine = {'name': subSNPName, 'lineName': lineName, 'start': self.dcurrentIndel['start'],'end' :self.dcurrentIndel['end'],
218 'allele': self.sCurrentIndelAllele, 'type': self._sPolymType, 'length': self._iPolymLength}
219
220 dIndel4TheLine['length'] = self.getAnIndelLength(dIndel4TheLine)
221
222 self.lIndelsOfTheCurrentLine.append(dIndel4TheLine)
223
224 self.dcurrentIndel.clear()
225 self.isTheIndelOpen4ThisLine = 0
226
227
228 def _mergeAllelesAndSubSNPsFromOverlappingIndels(self):
229 lIndelList = []
230 for dIndel in self.lIndelsOverAllLines:
231 lIndelList = self.clusteriseIndels(dIndel, self.lIndelsOverAllLines)
232
233 for dIndel in lIndelList:
234 oldAllele = dIndel['allele']
235 start = dIndel['start']
236 stop = dIndel['end']
237 lineName = dIndel['lineName']
238
239 LineBioSeq = self._wrapper._iLinesBioseqDB.fetch(lineName)
240 dIndel = self.updateAllele(oldAllele, start, stop, LineBioSeq, dIndel)
241 dSubSNPResult = self.createSubSNPFromAMissingPolym(dIndel, lineName)
242 if(not self.subSNPExistsInSubSNPList(dSubSNPResult, self._lSubSNPFileResults)):
243 self._lSubSNPFileResults.append(dSubSNPResult)
244
245 def updateAllele(self, oldAllele, start, stop, LineBioSeq, dIndel):
246 #TODO: creer le test
247 newAllele = LineBioSeq.subseq(start, stop).sequence
248 if newAllele != oldAllele:
249 dIndel['allele'] = newAllele
250 self._dAlleleFileResults = self._completeAlleleSetWithCurrentAllele(self._dAlleleFileResults, newAllele)
251 return dIndel
252
253
254 def getFlanksOfASubSNP(self, lineName, subsnpPosition, polymLength, flankLength):
255 bioSeqOfTheLine = self._wrapper._iLinesBioseqDB.fetch(lineName)
256 flank5Prime = bioSeqOfTheLine.get5PrimeFlank(subsnpPosition, flankLength)
257 flank3Prime = bioSeqOfTheLine.get3PrimeFlank(subsnpPosition, flankLength, polymLength)
258
259 return flank5Prime, flank3Prime
260
261 def createSubSNPFromAMissingPolym(self, dIndel, lineName):
262 if(dIndel['type'] == Multifasta2SNPFile.POLYM_TYPE_4_INSERTION):
263 start = self.getUngappedPositionInRefSeq(dIndel['start']-1)
264 else:
265 start = self.getUngappedPositionInRefSeq(dIndel['start'])
266
267 subSNPName = self._formatSubSNPName(dIndel['lineName'], start, dIndel['type'])
268
269 iAlleleNumber = self._dAlleleFileResults[dIndel['allele']]
270
271 iPolymLength = self.getAnIndelLength(dIndel)
272
273 flank5Prime, flank3Prime = self.getFlanksOfASubSNP(lineName, dIndel['start'], iPolymLength, Multifasta2SNPFile.FLANK_LENGTH)
274
275 dSubSNPResult = {'subSNPName':subSNPName, 'position':start, 'lineName':self._dIndividualNumbers4SubSNPResults[lineName], 'allele':iAlleleNumber,
276 'batchNumber': self._currentBatchNumber, 'confidenceValue':self._sPolymConfidenceValue, 'type':dIndel['type'],
277 'length': iPolymLength, '5flank':flank5Prime, '3flank':flank3Prime}
278
279 return dSubSNPResult
280
281 def clusteriseIndels(self, dIndel, lIndelsOverAllLines):
282 iIndice = 0
283 for dIndel in lIndelsOverAllLines:
284 iIndice2Compare = 0
285 for dIndel2Compare in lIndelsOverAllLines:
286 dIndel, dIndel2Compare = self.mergeBoundsForTwoOverlappingIndels(dIndel, dIndel2Compare)
287 lIndelsOverAllLines = self.updateBoundsForAnIndelInAnIndelList(lIndelsOverAllLines, dIndel)
288 lIndelsOverAllLines = self.updateBoundsForAnIndelInAnIndelList(lIndelsOverAllLines, dIndel2Compare)
289 iIndice2Compare = iIndice2Compare + 1
290 iIndice = iIndice + 1
291
292 return lIndelsOverAllLines
293
294 def mergeBoundsForTwoOverlappingIndels(self, dIndel1, dIndel2):
295 if((dIndel2['start'] <= dIndel1['start']) and (dIndel2['end'] >= dIndel1['start']) or
296 (dIndel1['start'] <= dIndel2['start']) and (dIndel1['end'] >= dIndel2['start'])):
297 if(dIndel1['start'] <= dIndel2['start']):
298 iStart = dIndel1['start']
299 else:
300 iStart = dIndel2['start']
301
302 if(dIndel1['end'] >= dIndel2['end']):
303 iEnd = dIndel1['end']
304 else:
305 iEnd = dIndel2['end']
306
307 dIndel1['start'] = iStart
308 dIndel1['end'] = iEnd
309 dIndel2['start'] = iStart
310 dIndel2['end'] = iEnd
311
312 return dIndel1, dIndel2
313
314 def updateBoundsForAnIndelInAnIndelList(self, lIndelsList, dIndelWithNewBounds):
315 name = dIndelWithNewBounds['name']
316 dIndelInTheList, iIndice = self.findAnIndelInAListWithHisName(name, lIndelsList)
317 lIndelsList.remove(dIndelInTheList)
318 lIndelsList.insert(iIndice, dIndelWithNewBounds)
319 return lIndelsList
320
321
322 def findASubSNPInAListWithHisName(self, name, lSubSNPList):
323 dSubSNP2Find = {}
324 indice = 0
325 indice2Find = -1
326 for dSubSNP in lSubSNPList:
327 if(dSubSNP['subSNPName'] == name):
328 dSubSNP2Find = dSubSNP
329 indice2Find = indice
330 indice = indice + 1
331
332 if dSubSNP2Find == {} or indice2Find == -1:
333 msg = "trying to find a SubSNP not existing: " + name
334 self._logFile.error(msg)
335 raise Exception ("trying to find a SubSNP not existing: " + name)
336 else:
337 return dSubSNP2Find, indice2Find
338
339 def subSNPExistsInSubSNPList(self, dSubSNP2Find, lSubSNPList):
340 flag = 0
341 for dSubSNP in lSubSNPList:
342 if(dSubSNP2Find['subSNPName'] == dSubSNP['subSNPName']):
343 flag = 1
344
345 if flag == 1:
346 return True
347 else:
348 return False
349
350
351 def findAnIndelInAListWithHisName(self, name, lIndelList):
352 dIndel2Find = {}
353 indice = 0
354 indice2Find = -1
355 for dIndel in lIndelList:
356 if(dIndel['name'] == name):
357 dIndel2Find = dIndel
358 indice2Find = indice
359 indice = indice + 1
360
361 if dIndel2Find == {} or indice2Find == -1:
362 msg = "trying to find an indel not existing: " + name
363 self._logFile.error(msg)
364 raise Exception (msg)
365 else:
366 return dIndel2Find, indice2Find
367
368 def _addMissingsAllelesAndSubSNPs(self):
369 for dIndel in self.lIndelsOverAllLines:
370 start = dIndel['start']
371 end = dIndel['end']
372 type = dIndel['type']
373 self.addMissingAllelesAndSubSNPsForOnePolym(start, end, type)
374
375 for position in self.dSNPsPositions:
376 self.addMissingAllelesAndSubSNPsForOnePolym(position, position, "SNP")
377
378 def addMissingAllelesAndSubSNPsForOnePolym(self, start, end, polymType):
379 refSeqAllele = self._wrapper._iReferenceBioseq.subseq(start, end).sequence
380 BioSeqDb = self._wrapper.getLinesBioseqInstances()
381 lBioSeqDbAlleles = self.getAllelesOfASubSeq(BioSeqDb, start, end)
382 for subSequence in lBioSeqDbAlleles:
383 if(subSequence['allele'] == refSeqAllele):
384 lineName = subSequence['header']
385 dMissingPolym = {'lineName': lineName, 'start': start,'end' :end,
386 'allele': subSequence['allele'], 'type':polymType}
387 self._dAlleleFileResults = self._completeAlleleSetWithCurrentAllele(self._dAlleleFileResults, subSequence['allele'])
388 dSubSNPResult = self.createSubSNPFromAMissingPolym(dMissingPolym, lineName)
389 if(not self.subSNPExistsInSubSNPList(dSubSNPResult, self._lSubSNPFileResults)):
390 self._lSubSNPFileResults.append(dSubSNPResult)
391
392 def addOnePolymorphicPosition(self, position):
393 if(not self.dSNPsPositions.has_key(position)):
394 self.dSNPsPositions[position] = 1
395
396 def getUngappedPositionInRefSeq(self, position):
397 if(position ==1):
398 nbOfGaps = 0
399 else:
400 seqIn5Prime = self._wrapper._iReferenceBioseq.subseq(1, position-1).sequence
401 nbOfGaps = seqIn5Prime.count("-")
402
403 return position - nbOfGaps
404
405 def getAllelesOfASubSeq(self, BioSeqDb, start, end):
406 lAlleles = []
407 for iBioSeq in BioSeqDb:
408 dAlleles = {}
409 dAlleles['header'] = iBioSeq.header
410 dAlleles['allele'] = iBioSeq.subseq(start, end).sequence
411 lAlleles.append(dAlleles)
412
413 return lAlleles
414
415 def getAnIndelLength(self, dIndel):
416 length = 0
417 if(dIndel['type'] == Multifasta2SNPFile.POLYM_TYPE_4_DELETION):
418 length = dIndel['end'] - dIndel['start'] + 1
419 else:
420 length = len(dIndel['allele'])
421
422 return length
423
424 def createWrapperFromFile(self, inFileName):
425 faF = open(inFileName, "r")
426 iBioSeqDB = self._extractSequencesFromInputFile(faF)
427 faF.close()
428
429 iBioSeqDB.upCase()
430 referenceBioseq = iBioSeqDB[0]
431 linesBioSeqDB = iBioSeqDB.extractPart(1, iBioSeqDB.getSize() - 1)
432
433 try:
434 if(FileUtils.isEmpty(inFileName)):
435 msg = "The input file is empty!"
436 self._logFile.error(self._prefixeWithLineNumber (msg))
437 raise Exception (self._prefixeWithFileName (msg))
438 if(self.isHeaderInRefSeqList(referenceBioseq.header)):
439 msg = "This reference sequence already exists in one previous file!"
440 self._logFile.error(self._prefixeWithLineNumber (msg))
441 raise Exception (self._prefixeWithLineNumber (msg))
442 except Exception, e :
443 raise Exception ("Problem with one input file: \n" + str(e))
444
445 self._lRefSequences.append(referenceBioseq)
446
447 return ReferenceBioseqAndLinesBioseqDBWrapper(referenceBioseq, linesBioSeqDB, self._logFile, inFileName)
448
449 def isHeaderInRefSeqList(self, header):
450 isHeader = False
451 for item in self._lRefSequences:
452 if item.header == header:
453 isHeader = True
454 return isHeader
455
456 def completeBatchList(self):
457 dBatchResults = {'BatchNumber' : self._currentBatchNumber, 'BatchName' : self._batchName, 'GeneName' : self._geneName,'ContactNumber' : "1",
458 'ProtocolNumber' : "1", 'ThematicNumber' : "1", 'RefSeqName': self._wrapper._iReferenceBioseq.header}
459
460 self._lBatchFileResults.append(dBatchResults)
461
462 return self._lBatchFileResults
463
464 def getLineAsAHeader(self, lineToBeCheck, lineNumber = 0):
465 """
466 header line begin with the tag(or token) '>' tag
467 ended with an carriage return
468 contain The name of sequence must respect this alphabet [a-zA-Z0-9_-:]
469 """
470 obsHeader = lineToBeCheck
471 if obsHeader[0]!=">" :
472 msg = "tag '>' omitted before header"
473 self._logFile.error(self._prefixeWithLineNumber (msg))
474 raise Exception (self._prefixeWithLineNumber (msg))
475 else :
476 obsHeader = obsHeader[1:]
477 obsHeader = obsHeader.replace ("\n","")
478 obsHeader = self._removeRepeatedBlanksInAStr(obsHeader)
479 obsHeader = self._replaceBlankByUnderScoreInAStr(obsHeader)
480 if self.checkHeaderAlphabet(obsHeader) :
481 return obsHeader
482 self._logFile.error(self._prefixeWithLineNumber ("fatal error on header"))
483 raise Exception (self._prefixeWithLineNumber ("fatal error on header"))
484
485 def getLineAsASeq(self, lineToBeCheck):
486 """
487 Sequence line
488 ended with an carriage return
489 contain only character of the IUPAC alphabet
490 """
491 obsSeq = str.upper(lineToBeCheck)
492 obsSeq = obsSeq.replace ("\n","")
493 obsSeq = obsSeq.replace ("\r","")
494 obsLine = obsSeq.replace("-","")
495 if not self.isIUPAC_bases(obsLine) :
496 msg = "the sequence contain a non nucleic character "
497 self._logFile.error(self._prefixeWithLineNumber (msg))
498 raise Exception (self._prefixeWithLineNumber (msg))
499 return obsSeq
500
501 def checkHeaderAlphabet( self, strToCheck):
502 """
503 Check the string
504 the string is not a header when founding a pattern not corresponding to the regexp
505 \W Matches any non-alphanumeric character; this is equivalent to the class [^a-zA-Z0-9_-:].
506 """
507 if strToCheck=="":
508 return False
509 p = re.compile('[^a-zA-Z0-9_:\-]', re.IGNORECASE) #p = re.compile('(\W|-|:)+', re.IGNORECASE)
510 errList=p.findall(strToCheck)
511 if len( errList ) > 0 :
512 return False
513 else:
514 return True
515
516 ## Check the string is nucleotides sequence from the DNA_ALPHABET_WITH_N = ["A","T","G","C","N"] of IUPAC nomenclature.
517 # @return True if sequence contain A, T, G, C or N False otherwise
518 #
519 def isDNA_bases( self, sequence):
520 if sequence == "" :
521 return False
522
523 setFromString = set()
524
525 for nt in sequence :
526 setFromString.add(nt)
527
528 return setFromString.issubset(DNA_ALPHABET_WITH_N_AND_DELS)
529
530 ## Check if the string is nucleotides sequence from the IUPAC ALPHABET .
531 # @return True if sequence contain IUPAC letters False otherwise
532 #
533 def isIUPAC_bases( self, sequence):
534 if sequence == "" :
535 return False
536
537 setFromString = set()
538
539 for nt in sequence :
540 setFromString.add(nt)
541
542 return setFromString.issubset(IUPAC)
543
544 def _writeAllOutputFiles(self):
545 writer = Multifasta2SNPFileWriter()
546 writer.write(self)
547
548 def _sortSubSNPResultByBatchPositionAndLineName(self, lSubSNPResults):
549 return sorted(lSubSNPResults, key=lambda SNPresults: (SNPresults['batchNumber'], SNPresults['position'], SNPresults['lineName']))
550
551 def _formatSubSNPName(self, currentLineHeader, position, polymType):
552 shortPolymType = polymType[:3]
553 return self._batchName + "_" + shortPolymType + "_" + str(position) + "_" + currentLineHeader
554
555 def _isSNPDetected(self, referenceSequence, index, nt):
556 if((nt != referenceSequence[index]) and (nt.upper() != "N") and (referenceSequence[index].upper() != "N")):
557 return True
558 else:
559 return False
560
561 def _extractSequencesFromInputFile(self, inFile):
562 # attention : DNA_ALPHABET_WITH_N_AND_DELS = Set (['A','T','G','C','N']) no including "gap"
563 lInFileLines = inFile.readlines()
564 nbOfLines = len(lInFileLines) - 1
565 #premiere lecture
566 self._iCurrentLineNumber = 0
567 isSameSeq = False
568 newSeq = ""
569 bioseqDB = BioseqDB ()
570 while self._iCurrentLineNumber < nbOfLines :
571 bioseq = Bioseq()
572 bioseq.header = self.getLineAsAHeader( lInFileLines[self._iCurrentLineNumber] )
573 isSameSeq = True
574 while isSameSeq and (self._iCurrentLineNumber < nbOfLines) :
575 self._iCurrentLineNumber +=1
576 if lInFileLines[self._iCurrentLineNumber][0] == ">" :
577 isSameSeq = False
578 else :
579 newSeq = newSeq + self.getLineAsASeq( lInFileLines[self._iCurrentLineNumber] )
580 isSameSeq = True
581 bioseq.setSequence(newSeq)
582 newSeq = ""
583 bioseqDB.add(bioseq)
584 return bioseqDB
585
586 def _removeRepeatedBlanksInAStr (self, StrToClean ):
587 resStr=StrToClean.expandtabs(2)
588 compResStr=resStr.replace (" "," ")
589 while compResStr != resStr :
590 resStr=compResStr
591 compResStr=resStr.replace (" "," ")
592 return resStr
593
594 def _replaceBlankByUnderScoreInAStr (self, StrToClean ):
595 resStr = StrToClean.replace (" ","_")
596 return resStr
597
598 def _prefixeWithLineNumber (self, strMsg):
599 resStr = "File: " + self._currentFileName + "\t"
600 resStr += "Line %i " % (self._iCurrentLineNumber+1 ) + strMsg
601 return resStr
602
603 def _prefixeWithFileName (self, strMsg):
604 resStr = "File: " + self._currentFileName + "\n" + strMsg
605 return resStr
606
607
608 def _completeAlleleSetWithCurrentAllele(self, dAlleleFileResults, dnaBase):
609 if dAlleleFileResults.has_key(dnaBase):
610 return dAlleleFileResults
611 else:
612 iAlleleNumber = len(dAlleleFileResults) + 1
613 dAlleleFileResults[dnaBase] = iAlleleNumber
614 return dAlleleFileResults
615
616 def _completeIndividualListWithCurrentIndividual(self, lIndividualResults, lineName):
617 if lIndividualResults == []:
618 iIndividualNumber = 1
619 else:
620 iIndividualNumber = len(lIndividualResults) + 1
621
622 #TODO: transformer la liste de dictionnaire en liste d'objets
623 if not (self._checkIfALineExistInList(lIndividualResults, lineName)):
624 dIndividual2Add = {'individualNumber': iIndividualNumber, 'individualName': lineName, 'scientificName': self._taxon}
625 lIndividualResults.append(dIndividual2Add)
626
627 return lIndividualResults
628
629 def _completeBatchLineListWithCurrentIndividual(self, lBatchLineResults, lIndividualResults, lineName):
630 lineDict = self._getALineDictFromADictListWithALineName(lIndividualResults, lineName)
631
632 if len(lineDict) != 0:
633 if(lineDict.has_key('individualNumber')):
634 indivNumberOfTheLineDict = lineDict['individualNumber']
635 else:
636 msg = "Problem with the batchLine results construction: individual named " + lineName + " has no individual number!"
637 self._logFile.error(msg)
638 raise Exception (msg)
639 else:
640 msg = "Problem with the batchLine results construction: individual named " + lineName + " not in individual list!"
641 self._logFile.error(msg)
642 raise Exception (msg)
643
644 dResults2Add = {'IndividualNumber': str(indivNumberOfTheLineDict), 'BatchNumber' : self._currentBatchNumber}
645 lBatchLineResults.append(dResults2Add)
646 return lBatchLineResults
647
648 def _getALineDictFromADictListWithALineName(self, lDictList, lineName):
649 dictToReturn = {}
650 for myDict in lDictList:
651 if myDict['individualName'] == lineName:
652 dictToReturn = myDict
653
654 return dictToReturn
655
656 def _checkIfALineExistInList(self, lDictList, lineName):
657 for myDict in lDictList:
658 if myDict['individualName'] == lineName:
659 return True
660 return False
661
662 def _getCurrentBatchResult(self):
663 return self._lBatchFileResults[self._currentBatchNumber-1]
664
665
666
667
668 class ReferenceBioseqAndLinesBioseqDBWrapper (object):
669
670 def __init__ (self, iReferenceBioseq, iLinesBioSeqDB, logger, fileName):
671 self._iReferenceBioseq = iReferenceBioseq
672 self._iLinesBioseqDB = iLinesBioSeqDB
673 self._logger = logger
674 self._currentFileName = fileName
675 self._checkAllSeqs()
676
677
678 def _checkAllSeqs(self):
679 self._iReferenceBioseq.checkEOF()
680 refSeqLen = self._iReferenceBioseq.getLength()
681
682 for seq in self._iLinesBioseqDB.db:
683 seq.checkEOF()
684 if(not seq.getLength() == refSeqLen):
685 msg = "File: " + self._currentFileName + ", problem with the sequence " + seq.header + ": its length is different from the reference seq! All the sequences must have the same length.\n"
686 msg += "refseq length: " + str(refSeqLen) + "\n"
687 msg += "seq length: " + str(seq.getLength()) + "\n"
688 self._logger.error(msg)
689 raise Exception (msg)
690
691 def getLinesBioseqInstances(self):
692 return self._iLinesBioseqDB.db
693
694 def getReferenceSequence(self):
695 return self._iReferenceBioseq.sequence
696
697 class Multifasta2SNPFileWriter(object):
698
699 SUB_SNP_FILE_HEADER = ["SubSNPName","ConfidenceValue","Type","Position","5flank",
700 "3flank","Length","BatchNumber","IndividualNumber","PrimerType","PrimerNumber","Forward_or_Reverse","AlleleNumber"]
701
702 ALLELE_FILE_HEADER = ["AlleleNumber","Value","Motif","NbCopy","Comment"]
703
704 INDIVIDUAL_FILE_HEADER = ["IndividualNumber","IndividualName","Description","AberrAneuploide",
705 "FractionLength","DeletionLineSynthesis","UrlEarImage","TypeLine","ChromNumber","ArmChrom","DeletionBin","ScientificName",
706 "local_germplasm_name","submitter_code","local_institute","donor_institute","donor_acc_id"]
707
708 SEQUENCE_CSV_FILE_HEADER = ["SequenceName","SeqType","BankName","BankVersion","ACNumber","Locus","ScientificName"]
709
710 BATCH_TXT_FILE_HEADER = ["BatchNumber", "BatchName", "GeneName", "Description", "ContactNumber", "ProtocolNumber", "ThematicNumber", "RefSeqName", "AlignmentFileName", "SeqName"]
711
712 BATCH_LINE_FILE_HEADER = ["IndividualNumber", "Pos5", "Pos3", "BatchNumber", "Sequence"]
713
714 def __init__(self):
715 self._csvFieldSeparator = ";"
716 self._txtSubFieldSeparator = ": "
717 self._txtFieldSeparator = "\n"
718 self._primerType = "Sequence"
719 self._csvLineSeparator = "\n"
720 self._txtLineSeparator = "//\n"
721
722 def write(self, iMultifasta2SNPFile):
723 self._writeSubSNPFile(iMultifasta2SNPFile._outSubSNPFileName, iMultifasta2SNPFile._lSubSNPFileResults)
724 self._writeAlleleFile(iMultifasta2SNPFile._outAlleleFileName, iMultifasta2SNPFile._dAlleleFileResults)
725 self._writeIndividualFile(iMultifasta2SNPFile._outIndividualFileName, iMultifasta2SNPFile._lIndividualFileResults)
726 self._writeSequenceFiles(iMultifasta2SNPFile._outSequenceFSAFileName, iMultifasta2SNPFile._outSequenceCSVFileName, iMultifasta2SNPFile._lRefSequences, iMultifasta2SNPFile._taxon)
727 self._writeBatchFile(iMultifasta2SNPFile._outBatchFileName, iMultifasta2SNPFile._lBatchFileResults)
728 self._writeBatchLineFile(iMultifasta2SNPFile._outBatchLineFileName, iMultifasta2SNPFile._lBatchLineFileResults)
729
730 def sortAlleleResultByAlleleNumber(self, dAlleleFileResults):
731 return sorted(dAlleleFileResults.items(), key=lambda(k,v):(v,k))
732
733 def _writeSubSNPFile(self, subSNPFileName, lSNP2Write):
734 outF = open(subSNPFileName, "w")
735 self._writeSNPFileHeader(outF)
736 for dSNP in lSNP2Write:
737 self._writeSNPFileLine(outF, dSNP)
738 outF.close()
739
740 def _writeAlleleFile(self, alleleFileName, dAllele2Write):
741 outF = open(alleleFileName, "w")
742 self._writeAlleleFileHeader(outF)
743 lAlleleSortedResults = self.sortAlleleResultByAlleleNumber(dAllele2Write)
744 for tAllele in lAlleleSortedResults:
745 self._writeAlleleFileLine(outF, tAllele[0], tAllele[1])
746
747 outF.close()
748
749 def _writeIndividualFile(self, individualFileName, lIndividual2Write):
750 sorted(lIndividual2Write, key=lambda Individual: (Individual['individualNumber']))
751 outF = open(individualFileName, "w")
752 self._writeIndividualFileHeader(outF)
753
754 for dIndiv in lIndividual2Write:
755 self._writeIndividualFileLine(outF, dIndiv)
756
757 outF.close()
758
759 def _writeSequenceFiles(self, sequenceFSAFileName, sequenceCSVFileName, lRefSequences, taxon):
760 outFSA = open(sequenceFSAFileName, "w")
761 outCSV = open(sequenceCSVFileName, "w")
762 self._writeSequenceCSVHeader(outCSV)
763
764 for refSeq in lRefSequences:
765 refSeq.cleanGap()
766 self._writeSequenceFSAFile(outFSA, refSeq)
767 self._writeSequenceCSVLine(outCSV, refSeq, taxon)
768
769 outFSA.close()
770 outCSV.close()
771
772 def _writeSequenceFSAFile(self, outF, refSeq):
773 outF.write( ">%s\n" % ( refSeq.header ) )
774 outF.write( "%s\n" % ( refSeq.sequence[0:refSeq.getLength()] ) )
775
776
777 def _writeBatchFile(self, batchFileName, lBatchResults):
778 outF = open(batchFileName, "w")
779 for dBatchResults in lBatchResults:
780 for head in Multifasta2SNPFileWriter.BATCH_TXT_FILE_HEADER[:]:
781 if dBatchResults.has_key(head):
782 outF.write(head + self._txtSubFieldSeparator + str(dBatchResults[head]) + self._txtFieldSeparator)
783 else:
784 outF.write(head + self._txtSubFieldSeparator + self._txtFieldSeparator)
785
786 outF.write(self._txtLineSeparator)
787
788 outF.close()
789
790 def _writeBatchLineFile(self, batchLineFileName, lBatchLineResults):
791 outF = open(batchLineFileName, "w")
792 self._writeBatchLineFileHeader(outF)
793 for dResult in lBatchLineResults:
794 self._writeBatchLineFileLine(outF, dResult)
795 outF.close()
796
797 def _writeSNPFileHeader(self, outF):
798 for head in Multifasta2SNPFileWriter.SUB_SNP_FILE_HEADER[:-1]:
799 outF.write(head + self._csvFieldSeparator)
800 outF.write(Multifasta2SNPFileWriter.SUB_SNP_FILE_HEADER[-1] + self._csvLineSeparator)
801
802 def _writeAlleleFileHeader(self, outF):
803 for head in Multifasta2SNPFileWriter.ALLELE_FILE_HEADER[:-1]:
804 outF.write(head + self._csvFieldSeparator)
805 outF.write(Multifasta2SNPFileWriter.ALLELE_FILE_HEADER[-1] + self._csvLineSeparator)
806
807 def _writeIndividualFileHeader(self, outF):
808 for head in Multifasta2SNPFileWriter.INDIVIDUAL_FILE_HEADER[:-1]:
809 outF.write(head + self._csvFieldSeparator)
810 outF.write(Multifasta2SNPFileWriter.INDIVIDUAL_FILE_HEADER[-1] + self._csvLineSeparator)
811
812 def _writeSequenceCSVHeader(self, outF):
813 for head in Multifasta2SNPFileWriter.SEQUENCE_CSV_FILE_HEADER[:-1]:
814 outF.write(head + self._csvFieldSeparator)
815 outF.write(Multifasta2SNPFileWriter.SEQUENCE_CSV_FILE_HEADER[-1] + self._csvLineSeparator)
816
817 def _writeBatchLineFileHeader(self, outF):
818 for head in Multifasta2SNPFileWriter.BATCH_LINE_FILE_HEADER[:-1]:
819 outF.write(head + self._csvFieldSeparator)
820 outF.write(Multifasta2SNPFileWriter.BATCH_LINE_FILE_HEADER[-1] + self._csvLineSeparator)
821
822 def _writeSNPFileLine(self, outF, dSNP):
823 outF.write(dSNP['subSNPName'] + self._csvFieldSeparator)
824 outF.write(dSNP['confidenceValue'] + self._csvFieldSeparator + dSNP['type'] + self._csvFieldSeparator)
825 outF.write(str(dSNP['position']) + self._csvFieldSeparator + dSNP['5flank'] + self._csvFieldSeparator + dSNP['3flank'] + self._csvFieldSeparator)
826 outF.write(str(dSNP['length']) + self._csvFieldSeparator + str(dSNP['batchNumber']) + self._csvFieldSeparator)
827 outF.write(str(dSNP['lineName']) + self._csvFieldSeparator)
828 outF.write(self._primerType + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator + str(dSNP['allele']) + self._csvLineSeparator)
829
830 def _writeAlleleFileLine(self, outF, sAllele2Write, iAlleleNumber):
831 outF.write(str(iAlleleNumber) + self._csvFieldSeparator)
832 outF.write(sAllele2Write + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator + self._csvLineSeparator)
833
834 def _writeIndividualFileLine(self, outF, dIndividual):
835 outF.write(str(dIndividual['individualNumber']) + self._csvFieldSeparator)
836 outF.write(dIndividual['individualName'] + self._csvFieldSeparator + self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator+ self._csvFieldSeparator)
837 outF.write(dIndividual['scientificName'] + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator+ self._csvFieldSeparator + self._csvFieldSeparator + self._csvLineSeparator)
838
839 def _writeSequenceCSVLine(self, outF, refSeq, taxon):
840 outF.write(refSeq.header + self._csvFieldSeparator)
841 outF.write("Reference" + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator)
842 outF.write(taxon + self._csvLineSeparator)
843
844 def _writeBatchLineFileLine(self, outF, dResult):
845 outF.write(str(dResult['IndividualNumber']) + self._csvFieldSeparator + self._csvFieldSeparator + self._csvFieldSeparator)
846 outF.write(str(dResult['BatchNumber']) + self._csvFieldSeparator + self._csvLineSeparator)