X-Git-Url: http://woldlab.caltech.edu/gitweb/?p=erange.git;a=blobdiff_plain;f=cistematic%2Fgenomes%2Fcbrenneri.py;fp=cistematic%2Fgenomes%2Fcbrenneri.py;h=a227faacf6a5c73b6b48512c2e917875fb8d6d9c;hp=0000000000000000000000000000000000000000;hb=bc30aca13e5ec397c92e67002fbf7a103130b828;hpb=0d3e3112fd04c2e6b44a25cacef1d591658ad181 diff --git a/cistematic/genomes/cbrenneri.py b/cistematic/genomes/cbrenneri.py new file mode 100644 index 0000000..a227faa --- /dev/null +++ b/cistematic/genomes/cbrenneri.py @@ -0,0 +1,197 @@ +########################################################################### +# # +# C O P Y R I G H T N O T I C E # +# Copyright (c) 2003-10 by: # +# * California Institute of Technology # +# # +# All Rights Reserved. # +# # +# Permission is hereby granted, free of charge, to any person # +# obtaining a copy of this software and associated documentation files # +# (the "Software"), to deal in the Software without restriction, # +# including without limitation the rights to use, copy, modify, merge, # +# publish, distribute, sublicense, and/or sell copies of the Software, # +# and to permit persons to whom the Software is furnished to do so, # +# subject to the following conditions: # +# # +# The above copyright notice and this permission notice shall be # +# included in all copies or substantial portions of the Software. # +# # +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS # +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN # +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # +# SOFTWARE. # +########################################################################### +# +# data for Caenorhaditis remanei +import string +from cistematic.genomes import Genome +from os import environ + +if environ.get("CISTEMATIC_ROOT"): + cisRoot = environ.get("CISTEMATIC_ROOT") +else: + cisRoot = "/proj/genome" + +geneDB = "%s/C_brenneri/cbrenneri.genedb" % cisRoot + + +def loadChromosome(db, chromPath, chromOutPath): + seqArray = [] + seqLen = 0 + cbGenome = Genome("cbrenneri", dbFile=db) + inFile = open(chromPath, "r") + header = inFile.readline() + while header != "": + seqArray = [] + seqLen = 0 + chromHeader = header.strip()[1:].split() + chromID = chromHeader[0] + currentLine = inFile.readline() + + while currentLine != "" and currentLine[0] != ">": + lineSeq = currentLine.strip() + seqLen += len(lineSeq) + seqArray.append(lineSeq) + currentLine = inFile.readline() + + seq = string.join(seqArray, "") + if seqLen < 100000: + print "Added contig %s to database" % chromID + cbGenome.addSequence(("cbrenneri", chromID), seq, "chromosome", str(seqLen)) + cbGenome.addChromosomeEntry(chromID, chromID, "db") + else: + outFileName = "%s%s.bin" % (chromOutPath, chromID) + outFile = open( "%s%s" % (cisRoot, outFileName), "w") + outFile.write(seq) + outFile.close() + print "Added contig file %s to database" % outFileName + cbGenome.addChromosomeEntry(chromID, outFileName, "file") + + header = currentLine + + inFile.close() + + +def loadGeneEntries(db, gffFile): + cbGenome = Genome("cbrenneri", dbFile=db) + geneFile = open(gffFile, "r") + geneStart = {} + geneStop = {} + geneChrom = {} + geneSense = {} + geneEntries = [] + for line in geneFile: + if line[0] == "#": + continue + + if line[0] == "\n": + continue + + field = line[:-1].split("\t") + if field[2] != "stop_codon" and field[2] != "start_codon": + continue + + idfield = field[8].split('"') + gid = idfield[1] + geneID = ("cbrenneri", gid) + sense = field[6] + geneChrom[geneID] = field[0].strip() + if sense == "+": + geneSense[geneID] = "F" + else: + geneSense[geneID] = "R" + + if field[2] == "start_codon": + if sense == "+": + geneStart[geneID] = int(field[3]) + else: + geneStart[geneID] = int(field[4]) + else: + if sense == "+": + geneStop[geneID] = int(field[3]) + else: + geneStop[geneID] = int(field[4]) + + for geneID in geneStart: + if geneID not in geneStop: + print "geneID %s not in geneStop - skipping" % str(geneID) + continue + + geneEntries.append((geneID, geneChrom[geneID], geneStart[geneID], geneStop[geneID], geneSense[geneID], "CDS", 1)) + + print "Adding %d gene entries" % len(geneEntries) + cbGenome.addGeneEntryBatch(geneEntries) + + +def loadFeatureEntries(db, gffFile): + cbGenome = Genome("cbrenneri", dbFile=db) + featureFile = open(gffFile, "r") + featureEntries = [] + for line in featureFile: + if line[0] == "#": + continue + + if line[0] == "\n": + continue + + field = line.split("\t") + if field[2].strip() != "CDS": + continue + + gidrev = field[8].split('"') + gid = gidrev[1] + geneID = ("cbrenneri", gid) + gidVersion = 1 + + start = int(field[3]) + stop = int(field[4]) + + sense = field[6] + chrom = field[0].strip() + if sense == "+": + sense = "F" + else: + sense = "R" + + featureEntries.append((geneID, gidVersion, chrom, start, stop, sense, "CDS")) + + print "Adding %d feature entries" % len(featureEntries) + cbGenome.addFeatureEntryBatch(featureEntries) + + +def createDBFile(db): + cbGenome = Genome("cbrenneri", version="PB2801_001", dbFile=db) + cbGenome.createGeneDB(db) + + +def createDBindices(db): + cbGenome = Genome("cbrenneri", version="PB2801_001", dbFile=db) + cbGenome.createIndices() + + +def buildCbrenneriDB(db=geneDB): + gffPath = "%s/download/PB2801_2007feb09.gff" % cisRoot # using EMS special version + chromoPath = "%s/download/PB2801_supercontigs.fa" % cisRoot + chromoOutPath = "/C_brenneri/" + + print "Creating database %s" % db + createDBFile(db) + + print "Adding gene entries" + loadGeneEntries(db, gffPath) + + print "Adding feature entries" + loadFeatureEntries(db, gffPath) + + print "Loading genomic sequence" + loadChromosome(db, chromoPath, chromoOutPath) + + print "Creating Indices" + createDBindices(db) + + print "Finished creating database %s" % db \ No newline at end of file