func compressQueries(queryFileName string) (string, error) {
// dbDirLoc, err := ioutil.TempDir(flagTempFileDir, "temporary-compressed-query-db")
dbDirLoc := flagTempFileDir
dbDirLoc = dbDirLoc + "/temporary-compressed-query-db"
if flagQueryDBConf != "" {
qdbParams, err := os.Open(flagQueryDBConf)
if err != nil {
return "", fmt.Errorf("Failed to load query db conf: %s", err)
}
queryDBConf, err = mica.LoadDBConf(qdbParams)
if err != nil {
return "", fmt.Errorf("Failed to load query db conf: %s", err)
}
}
db, err := mica.NewWriteDB(false, queryDBConf, dbDirLoc)
handleFatalError("Failed to open new db", err)
mica.Vprintln("Starting query compress workers...")
pool := mica.StartCompressReducedWorkers(db)
seqId := db.ComDB.NumSequences()
mainQuit := make(chan struct{}, 0)
seqChan, err := mica.ReadOriginalSeqs(queryFileName, []byte{})
handleFatalError("Could not read query sequences", err)
mica.Vprintln("Reading sequences into query database...")
for readSeq := range seqChan {
// Do a non-blocking receive to see if main needs to quit.
select {
case <-mainQuit:
<-mainQuit // wait for cleanup to finish before exiting main.
return "", nil
default:
}
handleFatalError("Failed to read sequence", readSeq.Err)
queryDBConf.BlastDBSize += uint64(readSeq.Seq.Len())
redReadSeq := &mica.ReducedSeq{
&mica.Sequence{
Name: readSeq.Seq.Name,
Residues: readSeq.Seq.Residues,
Offset: readSeq.Seq.Offset,
Id: readSeq.Seq.Id,
},
}
seqId = pool.CompressReduced(seqId, redReadSeq)
}
mica.Vprintln("Cleaning up query database...")
mica.CleanupDB(db, &pool)
mica.Vprintln("")
return dbDirLoc, nil
}
func main() {
if flag.NArg() != 2 {
flag.Usage()
}
// If the quiet flag isn't set, enable verbose output.
if !flagQuiet {
mica.Verbose = true
}
db, err := mica.NewReadDB(flag.Arg(0))
if err != nil {
fatalf("Could not open '%s' database: %s\n", flag.Arg(0), err)
}
inputFastaQueryName := flag.Arg(1)
aaQueryFile, err := os.Open(inputFastaQueryName)
if err != nil {
fatalf("Could not open '%s' query file: %s\n", inputFastaQueryName, err)
}
mica.Vprintln("\nProcessing Queries...")
err = processQueries(db, aaQueryFile)
if err != nil {
fatalf("Error processing queries: %s\n", err)
}
cleanup(db)
}
func main() {
if flag.NArg() < 2 {
flag.Usage()
}
// If the quiet flag isn't set, enable verbose output.
if !flagQuiet {
mica.Verbose = true
}
// Open the fasta file specified for writing.
outFasta, err := os.Create(flag.Arg(1))
if err != nil {
fatalf("Could not write to '%s': %s\n", flag.Arg(1), err)
}
fastaWriter := fasta.NewWriter(outFasta)
fastaWriter.Asterisk = true
// Create a new database for writing. If we're appending, we load
// the coarse database into memory, and setup the database for writing.
db, err := mica.NewReadDB(flag.Arg(0))
if err != nil {
fatalf("Could not open '%s' database: %s\n", flag.Arg(0), err)
}
mica.Vprintln("")
// Start the CPU profile after all of the data has been read.
if len(flagCpuProfile) > 0 {
f, err := os.Create(flagCpuProfile)
if err != nil {
fatalf("%s\n", err)
}
pprof.StartCPUProfile(f)
}
numSeqs := db.ComDB.NumSequences()
for orgSeqId := 0; orgSeqId < numSeqs; orgSeqId++ {
oseq, err := db.ComDB.ReadSeq(db.CoarseDB, orgSeqId)
if err != nil {
fatalf("Error reading seq id '%d': %s\n", orgSeqId, err)
}
if err := fastaWriter.Write(oseq.FastaSeq()); err != nil {
mica.Vprintf("Error writing seq '%s': %s\n", oseq.Name, err)
}
}
cleanup(db)
if err = fastaWriter.Flush(); err != nil {
fatalf("%s\n", err)
}
if err = outFasta.Close(); err != nil {
fatalf("%s\n", err)
}
}
func main() {
if flag.NArg() != 2 {
flag.Usage()
}
// If the quiet flag isn't set, enable verbose output.
if !flagQuiet {
mica.Verbose = true
}
db, err := mica.NewReadDB(flag.Arg(0))
if err != nil {
fatalf("Could not open '%s' database: %s\n", flag.Arg(0), err)
}
inputFastaQueryName := flag.Arg(1)
if flagCompressQuery {
fatalf("Query compression is currently unsupported.\nExiting.\n", "")
mica.Vprintln("\nProcessing queries with query-side compression...")
err = processCompressedQueries(db, inputFastaQueryName)
if err != nil {
fatalf("Error processing queries with query-side compression: %s\n", err)
}
} else {
mica.Vprintln("\nProcessing queries...")
err = processQueries(db, inputFastaQueryName)
if err != nil {
fatalf("Error processing queries: %s\n", err)
}
}
cleanup(db)
}
// When the program ends (either by SIGTERM or when all of the input sequences
// are compressed), 'cleanup' is executed. It writes all CPU/memory profiles
// if they're enabled, waits for the compression workers to finish, saves
// the database to disk and closes all file handles.
func cleanup(db *mica.DB, pool *compressPool) {
mica.Vprintln("Cleaning up and saving.")
if len(flagCpuProfile) > 0 {
pprof.StopCPUProfile()
}
if len(flagMemProfile) > 0 {
writeMemProfile(fmt.Sprintf("%s.last", flagMemProfile))
}
if len(flagMemStats) > 0 {
writeMemStats(fmt.Sprintf("%s.last", flagMemStats))
}
pool.done()
if err := db.Save(); err != nil {
fatalf("Could not save database: %s\n", err)
}
db.WriteClose()
}
func main() {
if flag.NArg() < 2 {
flag.Usage()
}
// If both 'append' and 'overwrite' flags are set, quit because the
// combination doesn't make sense.
if flagAppend && flagOverwrite {
fatalf("Both the 'append' and 'overwrite' flags are set. It does " +
"not make sense to set both of these flags.")
}
// If the quiet flag isn't set, enable verbose output.
if !flagQuiet {
mica.Verbose = true
}
// If the overwrite flag is set, remove whatever directory that may
// already be there.
if flagOverwrite {
if err := os.RemoveAll(flag.Arg(0)); err != nil {
fatalf("Could not remove existing database '%s': %s.",
flag.Arg(0), err)
}
}
// Create a new database for writing. If we're appending, we load
// the coarse database into memory, and setup the database for writing.
db, err := mica.NewWriteDB(flagAppend, dbConf, flag.Arg(0))
if err != nil {
fatalf("%s\n", err)
}
mica.Vprintln("")
pool := startCompressWorkers(db)
orgSeqId := db.ComDB.NumSequences()
mainQuit := make(chan struct{}, 0)
// If the process is killed, try to clean up elegantly.
// The idea is to preserve the integrity of the database.
attachSignalHandler(db, mainQuit, &pool)
// Start the CPU profile after all of the data has been read.
if len(flagCpuProfile) > 0 {
f, err := os.Create(flagCpuProfile)
if err != nil {
fatalf("%s\n", err)
}
pprof.StartCPUProfile(f)
}
for _, arg := range flag.Args()[1:] {
seqChan, err := mica.ReadOriginalSeqs(arg, ignoredResidues)
if err != nil {
log.Fatal(err)
}
if orgSeqId == 0 {
timer = time.Now()
}
for readSeq := range seqChan {
// Do a non-blocking receive to see if main needs to quit.
select {
case <-mainQuit:
<-mainQuit // wait for cleanup to finish before exiting main.
return
default:
}
if readSeq.Err != nil {
log.Fatal(err)
}
dbConf.BlastDBSize += uint64(readSeq.Seq.Len())
orgSeqId = pool.compress(orgSeqId, readSeq.Seq)
verboseOutput(db, orgSeqId)
if flagMaxSeedsGB > 0 && orgSeqId%10000 == 0 {
db.CoarseDB.Seeds.MaybeWipe(flagMaxSeedsGB)
runtime.GC()
}
}
}
mica.Vprintln("\n")
mica.Vprintf("Wrote %s.\n", mica.FileCompressed)
mica.Vprintf("Wrote %s.\n", mica.FileIndex)
cleanup(db, &pool)
}
func main() {
buf := new(bytes.Buffer)
if flag.NArg() < 2 {
flag.Usage()
}
// If the quiet flag isn't set, enable verbose output.
if !flagQuiet {
mica.Verbose = true
}
inputFastaQuery, err := getInputFasta()
if err != nil {
fatalf("Could not read input fasta query: %s\n", err)
}
db, err := mica.NewReadDB(flag.Arg(0))
if err != nil {
fatalf("Could not open '%s' database: %s\n", flag.Arg(0), err)
}
mica.Vprintln("\nBlasting query on coarse database...")
if err := blastCoarse(db, inputFastaQuery, buf); err != nil {
fatalf("Error blasting coarse database: %s\n", err)
}
mica.Vprintln("Decompressing blast hits...")
expandedSequences, err := expandBlastHits(db, buf)
if err != nil {
fatalf("%s\n", err)
}
// Clear the buffer and write the fasta file to it.
buf.Reset()
if err := writeFasta(expandedSequences, buf); err != nil {
fatalf("Could not create FASTA input from coarse hits: %s\n", err)
}
// Create the fine blast db in a temporary directory
mica.Vprintln("Building fine BLAST database...")
tmpDir, err := makeFineBlastDB(db, buf)
if err != nil {
fatalf("Could not create fine database to search on: %s\n", err)
}
// Finally, run the query against the fine fasta database and pass on
// stdout and stderr...
mica.Vprintln("Blasting query on fine database...")
if _, err := inputFastaQuery.Seek(0, os.SEEK_SET); err != nil {
fatalf("Could not seek to start of query fasta input: %s\n", err)
}
if err := blastFine(db, tmpDir, inputFastaQuery); err != nil {
fatalf("Error blasting fine database: %s\n", err)
}
// Delete the temporary fine database.
if !flagNoCleanup {
if err := os.RemoveAll(tmpDir); err != nil {
fatalf("Could not delete fine BLAST database: %s\n", err)
}
}
cleanup(db)
}
func processQueries(db *mica.DB, nuclQueryFile *os.File) error {
mica.Vprintln("\nBlasting with diamond query on coarse database...")
dmndOutDaaFilename, err := dmndBlastPCoarse(db, nuclQueryFile)
if err != nil {
fatalf("Error blasting with diamond on coarse database: %s\n", err)
}
dmndOutFile, err := convertDmndToBlastTabular(dmndOutDaaFilename)
if err != nil {
return fmt.Errorf("Error convertign diamond output to blast tabular: %s\n")
}
mica.Vprintln("Decompressing diamond hits...")
dmndOutArr, err := ioutil.ReadAll(dmndOutFile)
if !flagNoCleanup {
err := os.RemoveAll(dmndOutFile.Name())
handleFatalError("Could not delete diamond output from coarse search", err)
err = os.RemoveAll(dmndOutDaaFilename)
handleFatalError("Could not delete diamond output from coarse search", err)
}
if err != nil {
return fmt.Errorf("Could not read diamond output: %s", err)
}
if len(dmndOutArr) == 0 {
return fmt.Errorf("No coarse hits. %s", "Aborting.")
}
mica.Vprintln("Expanding diamond hits...")
dmndOut := bytes.NewBuffer(dmndOutArr)
expandedSequences, err := expandDmndHits(db, dmndOut)
if err != nil {
return fmt.Errorf("%s\n", err)
}
// Write the contents of the expanded sequences to a fasta file.
// It is then indexed using makeblastdb.
searchBuf := new(bytes.Buffer)
if err := writeFasta(expandedSequences, searchBuf); err != nil {
fatalf("Could not create FASTA input from coarse hits: %s\n", err)
}
if flagDmndFine != "" {
mica.Vprintln("Building fine DIAMOND database...")
tmpFineDB, err := makeFineDmndDB(searchBuf)
handleFatalError("Could not create fine diamond database to search on", err)
err = dmndBlastPFine(nuclQueryFile, flagDmndFine, tmpFineDB)
handleFatalError("Error diamond-blasting (p-search) fine database", err)
// Delete the temporary fine database.
if !flagNoCleanup {
err := os.RemoveAll(tmpFineDB)
err = os.RemoveAll(tmpFineDB + ".dmnd")
handleFatalError("Could not delete fine DIAMOND database", err)
}
} else {
// Create the fine blast db in a temporary directory
mica.Vprintln("Building fine BLAST database...")
tmpFineDB, err := makeFineBlastDB(db, searchBuf)
handleFatalError("Could not create fine blast database to search on", err)
// retrieve the cluster members for the original representative query seq
// pass them to blastx on the expanded (fine) db
// Finally, run the query against the fine fasta database and pass on the
// stdout and stderr...
bs, err := ioutil.ReadAll(nuclQueryFile)
if err != nil {
return fmt.Errorf("Could not read input fasta query: %s", err)
}
nuclQueryReader := bytes.NewReader(bs)
err = blastFine(db, tmpFineDB, nuclQueryReader)
handleFatalError("Error blasting fine database (p-search):", err)
// Delete the temporary fine database.
if !flagNoCleanup {
err := os.RemoveAll(tmpFineDB)
handleFatalError("Could not delete fine BLAST database", err)
}
}
return nil
}
func processCompressedQueries(db *mica.DB, nuclQueryFileLoc string) error {
queryDbLoc, err := compressQueries(nuclQueryFileLoc)
if err != nil {
return fmt.Errorf("Error compressing queries: %s\n", err)
}
queryDb, err := mica.NewReadDB(queryDbLoc)
if err != nil {
return fmt.Errorf("Error opening newly created compressed query db: %s\n", err)
}
mica.Vprintln("\nBlasting with diamond query on coarse database...")
dmndOutDaaFilename, err := dmndBlastXCoarse(db, queryDb.CoarseDB.FileFasta.Name())
if err != nil {
return fmt.Errorf("Error blasting with diamond on coarse database from compressed queries: %s\n", err)
}
dmndOutFile, err := convertDmndToBlastTabular(dmndOutDaaFilename)
if err != nil {
return fmt.Errorf("Error converting diamond output to blast tabular: %s\n")
}
mica.Vprintln("Decompressing diamond hits...")
dmndOutArr, err := ioutil.ReadAll(dmndOutFile)
// nuclQueryFile, err := os.Open(nuclQueryFileLoc)
// if err != nil {
// fatalf("Could not open '%s' query file for fine search: %s\n", nuclQueryFileLoc, err)
// }
if !flagNoCleanup {
err := os.RemoveAll(dmndOutFile.Name())
handleFatalError("Could not delete diamond output from coarse search", err)
err = os.RemoveAll(dmndOutDaaFilename)
handleFatalError("Could not delete diamond output from coarse search", err)
err = os.RemoveAll(queryDbLoc)
handleFatalError("Could not delete diamond output from coarse search", err)
}
if err != nil {
return fmt.Errorf("Could not read diamond output: %s", err)
}
if len(dmndOutArr) == 0 {
return fmt.Errorf("No coarse hits. %s", "Aborting.")
}
mica.Vprintln("Expanding diamond hits (queries and targets)...")
dmndOut := bytes.NewBuffer(dmndOutArr)
expandedSequences, expandedQueries, err := expandDmndHitsAndQuery(db, queryDb, dmndOut)
if err != nil {
return fmt.Errorf("%s\n", err)
}
// Write the contents of the expanded sequences to a fasta file.
// It is then indexed using makeblastdb.
searchBuf := new(bytes.Buffer)
if err := writeFasta(expandedSequences, searchBuf); err != nil {
fatalf("Could not create FASTA input from coarse hits: %s\n", err)
}
qSearchBuf := new(bytes.Buffer)
if err := writeFasta(expandedQueries, qSearchBuf); err != nil {
fatalf("Could not create FASTA input from coarse QUERY hits: %s\n", err)
}
fineQueryFile, err := ioutil.TempFile(flagTempFileDir, "fine-query-sequences")
if err != nil {
fatalf("Could not create temporary QUERY sequence file: %s\n", err)
}
err = ioutil.WriteFile(fineQueryFile.Name(), qSearchBuf.Bytes(), 0666)
if err != nil {
fatalf("Could not write to temporary QUERY sequence file: %s\n", err)
}
if flagDmndFine != "" {
mica.Vprintln("Building fine DIAMOND database...")
tmpFineDB, err := makeFineDmndDB(searchBuf)
handleFatalError("Could not create fine diamond database to search on", err)
err = dmndBlastXFine(fineQueryFile.Name(), flagDmndFine, tmpFineDB)
handleFatalError("Error diamond-blasting (x-search) fine database", err)
// Delete the temporary fine database.
if !flagNoCleanup {
err := os.RemoveAll(tmpFineDB)
err = os.RemoveAll(tmpFineDB + ".dmnd")
handleFatalError("Could not delete fine DIAMOND database", err)
}
} else {
// Create the fine blast db in a temporary directory
mica.Vprintln("Building fine BLAST database...")
tmpFineDB, err := makeFineBlastDB(db, searchBuf)
handleFatalError("Could not create fine blast database to search on", err)
// retrieve the cluster members for the original representative query seq
// pass them to blastx on the expanded (fine) db
// Finally, run the query against the fine fasta database and pass on the
// stdout and stderr...
bs, err := ioutil.ReadAll(fineQueryFile)
if err != nil {
return fmt.Errorf("Could not read input fasta query: %s", err)
}
nuclQueryReader := bytes.NewReader(bs)
err = blastFine(db, tmpFineDB, nuclQueryReader)
handleFatalError("Error blasting fine database (x-search):", err)
// Delete the temporary fine database.
if !flagNoCleanup {
err := os.RemoveAll(tmpFineDB)
handleFatalError("Could not delete fine BLAST database", err)
}
}
return nil
}